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<title>Document</title></head><body><div id="i007f4ce4300e4a55b09e51d7c8042a51_1"></div><div style="height:34pt;width:100%;"><div style="text-align:right;"><font><br></font></div></div><div style="text-align:center;"><font><br></font></div><div style="text-align:center;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:13pt;font-weight:700;line-height:120%;">UNITED STATES</font></div><div style="text-align:center;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:13pt;font-weight:700;line-height:120%;">SECURITIES AND EXCHANGE COMMISSION</font></div><div style="text-align:center;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:120%;">Washington, D.C. 20549</font></div><div style="text-align:center;margin-top:10pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:13pt;font-weight:700;line-height:201%;">FORM 8-K</font></div><div style="text-align:center;margin-top:5pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:120%;">CURRENT REPORT</font></div><div style="text-align:center;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:120%;">Pursuant to Section&#160;13 OR 15(d)</font></div><div style="text-align:center;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:120%;">of the Securities Exchange Act of 1934</font></div><div style="text-align:center;margin-top:5pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:120%;">May 26, 2020</font></div><div style="text-align:center;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:120%;">Date of Report (Date of earliest event reported)</font></div><div><font><br></font></div><div style="text-align:center;margin-top:5pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:18pt;font-weight:700;line-height:201%;">THE RUBICON PROJECT, INC.</font></div><div style="text-align:center;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:7pt;font-weight:700;line-height:201%;">(Exact name of registrant as specified in its charter)</font></div><div><font><br></font></div><div style="margin-bottom:6pt;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:96.367%;"><tr><td style="width:1.0%;"></td><td style="width:29.130%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:2.698%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:29.130%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:1.708%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:29.134%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="height:13pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #cbcbcb;border-left:1pt solid #cbcbcb;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:13pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #cbcbcb;border-left:1pt solid #cbcbcb;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:13pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #cbcbcb;border-left:1pt solid #cbcbcb;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:13pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #cbcbcb;border-left:1pt solid #cbcbcb;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:13pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #cbcbcb;border-left:1pt solid #cbcbcb;padding-left:1pt;border-right:1pt solid #cbcbcb;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:middle;border-top:1pt solid #cbcbcb;border-left:1pt solid #cbcbcb;padding-left:1pt;padding-right:1pt;"><font style="font-size:10pt;font-weight:700;font-family:'Times New Roman',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);">Delaware</font></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #cbcbcb;border-left:1pt solid #cbcbcb;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:middle;border-top:1pt solid #cbcbcb;border-left:1pt solid #cbcbcb;padding-left:1pt;padding-right:1pt;"><font style="font-size:10pt;font-weight:700;font-family:'Times New Roman',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);">001-36384</font></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #cbcbcb;border-left:1pt solid #cbcbcb;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:middle;border-top:1pt solid #cbcbcb;border-left:1pt solid #cbcbcb;padding-left:1pt;border-right:1pt solid #cbcbcb;padding-right:1pt;"><font style="font-size:10pt;font-weight:700;font-family:'Times New Roman',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);">20-8881738</font></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:middle;border-top:1pt solid #cbcbcb;border-bottom:1pt solid #cbcbcb;border-left:1pt solid #cbcbcb;padding-left:1pt;padding-right:1pt;"><div style="padding-left:4pt;padding-right:4pt;text-align:center;margin-top:2pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:6pt;font-weight:700;line-height:139%;">(State or other jurisdiction</font></div><div style="padding-left:4pt;padding-right:4pt;text-align:center;margin-bottom:2pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:6pt;font-weight:700;line-height:139%;">of incorporation)</font></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #cbcbcb;border-bottom:1pt solid #cbcbcb;border-left:1pt solid #cbcbcb;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:middle;border-top:1pt solid #cbcbcb;border-bottom:1pt solid #cbcbcb;border-left:1pt solid #cbcbcb;padding-left:1pt;padding-right:1pt;"><div style="padding-left:4pt;padding-right:4pt;text-align:center;margin-top:2pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:6pt;font-weight:700;line-height:139%;">(Commission</font></div><div style="padding-left:4pt;padding-right:4pt;text-align:center;margin-bottom:2pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:6pt;font-weight:700;line-height:139%;">File Number)</font></div></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #cbcbcb;border-bottom:1pt solid #cbcbcb;border-left:1pt solid #cbcbcb;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:middle;border-top:1pt solid #cbcbcb;border-bottom:1pt solid #cbcbcb;border-left:1pt solid #cbcbcb;padding-left:1pt;border-right:1pt solid #cbcbcb;padding-right:1pt;"><div style="padding-left:4pt;padding-right:4pt;text-align:center;margin-top:2pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:6pt;font-weight:700;line-height:139%;">(IRS Employer</font></div><div style="padding-left:4pt;padding-right:4pt;text-align:center;margin-bottom:2pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:6pt;font-weight:700;line-height:139%;">Identification No.)</font></div></td></tr></table></div><div style="text-align:center;margin-top:21pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%;">12181 Bluff Creek Drive, 4th Floor</font></div><div style="text-align:center;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%;">Los Angeles, CA 90094</font></div><div style="text-align:center;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:6pt;font-weight:700;line-height:120%;">(Address of principal executive offices, including zip code)</font></div><div style="text-align:center;margin-top:5pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%;">(310) 207-0272</font></div><div style="text-align:center;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:6pt;font-weight:700;line-height:201%;">(Registrant&#8217;s telephone number, including area code)</font></div><div style="text-align:center;margin-top:5pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%;">Not applicable</font></div><div style="text-align:center;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:6pt;font-weight:700;line-height:120%;">(Former name or former address, if changed since last report)</font></div><div><font><br></font></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions&#58; </font></div><div style="margin-bottom:6pt;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:96.509%;"><tr><td style="width:1.0%;"></td><td style="width:2.105%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:76.005%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:15.890%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;border-top:1pt solid #cbcbcb;border-left:1pt solid #cbcbcb;padding-left:1pt;padding-right:1pt;"><font style="font-size:10pt;font-weight:400;font-family:'Times New Roman',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);">&#9744;</font></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:middle;border-top:1pt solid #cbcbcb;border-left:1pt solid #cbcbcb;padding-left:1pt;padding-right:1pt;"><font style="font-size:10pt;font-weight:400;font-family:'Times New Roman',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</font></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #cbcbcb;border-left:1pt solid #cbcbcb;padding-left:1pt;border-right:1pt solid #cbcbcb;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;border-top:1pt solid #cbcbcb;border-left:1pt solid #cbcbcb;padding-left:1pt;padding-right:1pt;"><font style="font-size:10pt;font-weight:400;font-family:'Times New Roman',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);">&#9744;</font></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:middle;border-top:1pt solid #cbcbcb;border-left:1pt solid #cbcbcb;padding-left:1pt;padding-right:1pt;"><font style="font-size:10pt;font-weight:400;font-family:'Times New Roman',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);">Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</font></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #cbcbcb;border-bottom:1pt solid #cbcbcb;border-left:1pt solid #cbcbcb;padding-left:1pt;border-right:1pt solid #cbcbcb;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;border-top:1pt solid #cbcbcb;border-left:1pt solid #cbcbcb;padding-left:1pt;padding-right:1pt;"><font style="font-size:10pt;font-weight:400;font-family:'Times New Roman',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);">&#9744;</font></td><td colspan="6" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:middle;border-top:1pt solid #cbcbcb;border-bottom:1pt solid #cbcbcb;border-left:1pt solid #cbcbcb;padding-left:1pt;border-right:1pt solid #cbcbcb;padding-right:1pt;"><font style="font-size:10pt;font-weight:400;font-family:'Times New Roman',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);">Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</font></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;border-top:1pt solid #cbcbcb;border-bottom:1pt solid #cbcbcb;border-left:1pt solid #cbcbcb;padding-left:1pt;padding-right:1pt;"><font style="font-size:10pt;font-weight:400;font-family:'Times New Roman',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);">&#9744;</font></td><td colspan="6" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:middle;border-top:1pt solid #cbcbcb;border-bottom:1pt solid #cbcbcb;border-left:1pt solid #cbcbcb;padding-left:1pt;border-right:1pt solid #cbcbcb;padding-right:1pt;"><font style="font-size:10pt;font-weight:400;font-family:'Times New Roman',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);">Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</font></td><td colspan="3" style="display:none;"></td></tr></table></div><div style="margin-top:3pt;margin-bottom:14pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">Securities registered pursuant to Section 12(b) of the Act&#58;</font></div><div style="margin-bottom:6pt;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.905%;"><tr><td style="width:1.0%;"></td><td style="width:34.118%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:2.207%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:14.572%;"></td><td style="width:1.0%;"></td><td style="width:0.1%;"></td><td style="width:2.207%;"></td><td style="width:0.1%;"></td><td style="width:1.0%;"></td><td style="width:40.496%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:top;padding-left:1pt;padding-right:1pt;"><font style="font-size:10pt;font-weight:700;font-family:'Times New Roman',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);">Title of each class</font></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:top;padding-left:1pt;padding-right:1pt;"><font style="font-size:10pt;font-weight:700;font-family:'Times New Roman',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);">Trading Symbol(s)</font></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:top;padding-left:1pt;padding-right:1pt;"><font style="font-size:10pt;font-weight:700;font-family:'Times New Roman',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);">Name of each exchange on which registered</font></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:top;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><font style="font-size:10pt;font-weight:700;font-family:'Times New Roman',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);">Common Stock</font></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:top;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><font style="font-size:10pt;font-weight:700;font-family:'Times New Roman',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);">RUBI</font></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:center;vertical-align:top;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><font style="font-size:10pt;font-weight:700;font-family:'Times New Roman',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);">NYSE</font></td></tr></table></div><div style="margin-top:5pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (&#167; 230.405 of this chapter) or Rule&#160;12b-2&#160;of the Securities Exchange Act of 1934 (&#167;&#160;240.12b-2&#160;of this chapter).</font></div><div style="margin-top:5pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:201%;">Emerging growth company&#160;&#160;&#9744;</font></div><div style="margin-top:5pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section&#160;13(a) of the Exchange Act.&#160;&#160;&#9744;</font></div><div style="position:relative;width:100%;height:34pt;"><div style="position:absolute;bottom:0;width:100%;"><div><font><br></font></div></div></div><hr style="page-break-after:always"><div style="height:34pt;width:100%;"><div style="text-align:right;"><font><br></font></div></div><div style="margin-top:5pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;"></font></div><div style="text-indent:-72pt;padding-left:72pt;text-align:justify;margin-bottom:10pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%;">Item 3.01.&#160;Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard&#59; Transfer of Listing.</font></div><div style="text-indent:36pt;text-align:justify;margin-bottom:12pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">On May 26, 2020, The Rubicon Project, Inc. (&#8220;Company&#8221;) provided written notice to the New York Stock Exchange (&#8220;NYSE&#8221;) of its intention to voluntarily delist its shares of common stock (&#8220;Common Stock&#8221;) from the NYSE and to list its Common Stock on the NASDAQ Global Select Market of The NASDAQ Stock Market LLC (&#8220;NASDAQ&#8221;). The Company expects the listing and trading of its Common Stock on the NYSE will cease at market close on June 8, 2020, and that trading of its Common Stock will commence on NASDAQ at market open on June 9, 2020. The Common Stock has been approved for listing on NASDAQ, with the Common Stock continuing to trade under the symbol &#8220;RUBI.&#8221;</font></div><div style="text-align:center;"><font><br></font></div><div style="position:relative;width:100%;height:34pt;"><div style="position:absolute;bottom:0;width:100%;"><div><font><br></font></div></div></div><hr style="page-break-after:always"><div style="height:34pt;width:100%;"><div style="text-align:right;"><font><br></font></div></div><div style="text-align:center;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:350%;">SIGNATURE</font></div><div style="text-indent:24pt;margin-top:12pt;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.</font></div><div style="margin-bottom:6pt;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:86.745%;"><tr><td style="width:1.0%;"></td><td style="width:4.688%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:38.130%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:3.709%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:45.473%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="6" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="font-size:10pt;font-weight:700;font-family:'Times New Roman',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);">THE RUBICON PROJECT, INC.</font></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="height:18pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:18pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:18pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:18pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="font-size:10pt;font-weight:400;font-family:'Times New Roman',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);">Date&#58;</font></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="font-size:10pt;font-weight:400;font-family:'Times New Roman',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);">May 26, 2020</font></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="font-size:10pt;font-weight:400;font-family:'Times New Roman',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);">By&#58;</font></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="font-size:10pt;font-weight:400;font-family:'Times New Roman',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);">&#47;s&#47; Aaron Saltz</font></td></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><font style="font-size:10pt;font-weight:400;font-family:'Times New Roman',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);">Aaron Saltz</font></td></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><font style="font-size:10pt;font-weight:400;font-family:'Times New Roman',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);">General Counsel and Corporate Secretary</font></td></tr></table></div><div><font><br></font></div><div style="position:relative;width:100%;height:34pt;"><div style="position:absolute;bottom:0;width:100%;"><div><font><br></font></div></div></div></body></html>
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Document
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 OR 15(d)
of the Securities Exchange Act of 1934
May 26, 2020
Date of Report (Date of earliest event reported)
THE RUBICON PROJECT, INC.
(Exact name of registrant as specified in its charter)
Delaware
001-36384
20-8881738
(State or other jurisdiction
of incorporation)
(Commission
File Number)
(IRS Employer
Identification No.)
12181 Bluff Creek Drive, 4th Floor
Los Angeles, CA 90094
(Address of principal executive offices, including zip code)
(310) 207-0272
(Registrant's telephone number, including area code)
Not applicable
(Former name or former address, if changed since last report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
☐
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
Title of each class
Trading Symbol(s)
Name of each exchange on which registered
Common Stock
RUBI
NYSE
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).
Emerging growth company  ☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐
Item 3.01. Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing.
On May 26, 2020, The Rubicon Project, Inc. ("Company") provided written notice to the New York Stock Exchange ("NYSE") of its intention to voluntarily delist its shares of common stock ("Common Stock") from the NYSE and to list its Common Stock on the NASDAQ Global Select Market of The NASDAQ Stock Market LLC ("NASDAQ"). The Company expects the listing and trading of its Common Stock on the NYSE will cease at market close on June 8, 2020, and that trading of its Common Stock will commence on NASDAQ at market open on June 9, 2020. The Common Stock has been approved for listing on NASDAQ, with the Common Stock continuing to trade under the symbol "RUBI."
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
THE RUBICON PROJECT, INC.
Date:
May 26, 2020
By:
/s/ Aaron Saltz
Aaron Saltz
General Counsel and Corporate Secretary