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<div style="display:none"><ix:header><ix:hidden><ix:nonNumeric contextRef="D2019Q3SD" name="dei:AmendmentFlag" id="Fact-9A7A25BC0156BF1256ED96978B614C88-wk-Fact-9A7A25BC0156BF1256ED96978B614C88" format="ixt:booleanfalse">false</ix:nonNumeric><ix:nonNumeric contextRef="D2019Q3SD" name="dei:EntityCentralIndexKey" id="Fact-9337711C1A2499611BAB96971B012D11-wk-Fact-9337711C1A2499611BAB96971B012D11">0001370053</ix:nonNumeric></ix:hidden><ix:references><link:schemaRef xlink:href="anab-20190819.xsd" xlink:type="simple"></link:schemaRef></ix:references><ix:resources><xbrli:context id="D2019Q3SD">
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			<xbrli:startDate>2019-08-16</xbrli:startDate>
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	</xbrli:context></ix:resources></ix:header></div><div><a id="sDFB067C67E50558B89F6D51095719A18"></a></div><div style="line-height:120%;text-align:center;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;font-weight:bold;">UNITED STATES</span></div><div style="line-height:120%;text-align:center;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;font-weight:bold;">SECURITIES AND EXCHANGE COMMISSION</span></div><div style="line-height:120%;text-align:center;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;font-weight:bold;">WASHINGTON, D.C. 20549</span></div><div style="line-height:120%;text-align:center;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;"><br/></span></div><div style="line-height:120%;text-align:center;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;font-weight:bold;">FORM </span><span><ix:nonNumeric id="d8601259e92-wk-Fact-78C5C25010EB08ED3FD5968807077F18" name="dei:DocumentType" 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style="font-family:inherit;font-size:11pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</span></div><div style="line-height:120%;text-align:center;font-size:11pt;"><span><ix:nonNumeric id="d8601259e177-wk-Fact-C9B71F529B62F28A3C819759D5105A31" name="dei:EntityAddressAddressLine1" contextRef="D2019Q3SD"><span style="font-size:11pt;font-weight:bold;">10421 Pacific Center Court</span></ix:nonNumeric></span><span style="font-family:inherit;font-size:11pt;font-weight:bold;">, </span><span><ix:nonNumeric id="d8601259e182-wk-Fact-CA48869ABBF45397A07D975A21957D38" name="dei:EntityAddressAddressLine2" contextRef="D2019Q3SD"><span style="font-size:11pt;font-weight:bold;">Suite 200</span></ix:nonNumeric></span><span style="font-family:inherit;font-size:11pt;font-weight:bold;"> </span></div><div style="line-height:120%;text-align:center;font-size:11pt;"><span><ix:nonNumeric id="d8601259e188-wk-Fact-F75CED3A9F58139EE1A3975A355EEE92" name="dei:EntityAddressCityOrTown" 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style="line-height:120%;text-align:left;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;"><br/></span></div><div style="line-height:120%;text-align:center;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;font-weight:bold;">(</span><span><ix:nonNumeric id="d8601259e211-wk-Fact-D7248C512FF8F71329B59692AF81EA0D" name="dei:CityAreaCode" contextRef="D2019Q3SD"><span style="font-size:11pt;font-weight:bold;">858</span></ix:nonNumeric></span><span style="font-family:inherit;font-size:11pt;font-weight:bold;">) </span><span><ix:nonNumeric id="d8601259e216-wk-Fact-FBE97EFDE98DD3FBA0CF9692BC125B22" name="dei:LocalPhoneNumber" contextRef="D2019Q3SD"><span style="font-size:11pt;font-weight:bold;">362-6295</span></ix:nonNumeric></span><span style="font-family:inherit;font-size:11pt;font-weight:bold;"> </span></div><div style="line-height:120%;text-align:center;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;">(Registrant&#8217;s Telephone Number, 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obligation of the registrant under any of the following provisions (see General Instruction A.2. below):</span></div><div style="line-height:120%;text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div><div style="line-height:120%;text-align:left;font-size:10pt;"><span><ix:nonNumeric id="d8601259e243-wk-Fact-B7F142DFD71E2E6193E596AEC813F701" name="dei:WrittenCommunications" contextRef="D2019Q3SD" format="ixt-sec:boolballotbox"><span style="font-family:Arial Unicode MS;">&#9744;</span></ix:nonNumeric></span><span style="font-family:inherit;font-size:10pt;">Written communications pursuant to Rule&#160;425 under the Securities Act (17 CFR 230.425)</span></div><div style="line-height:120%;text-align:left;font-size:10pt;"><span><ix:nonNumeric id="d8601259e249-wk-Fact-2F931199FB0530C2951696AEE44B15DD" name="dei:SolicitingMaterial" contextRef="D2019Q3SD" format="ixt-sec:boolballotbox"><span style="font-family:Arial Unicode MS;">&#9744;</span></ix:nonNumeric></span><span style="font-family:inherit;font-size:10pt;">Soliciting material pursuant to Rule&#160;14a&#8209;12 under the Exchange Act (17 CFR 240.14a&#8209;12)</span></div><div style="line-height:120%;text-align:left;font-size:10pt;"><span><ix:nonNumeric id="d8601259e255-wk-Fact-6E6AAC8ADA6EF8CC794996AF039322C3" name="dei:PreCommencementTenderOffer" contextRef="D2019Q3SD" format="ixt-sec:boolballotbox"><span style="font-family:Arial Unicode MS;">&#9744;</span></ix:nonNumeric></span><span style="font-family:inherit;font-size:10pt;">Pre&#8209;commencement communications pursuant to Rule&#160;14d&#8209;2(b)&#160;under the Exchange Act (17 CFR 240.14d&#8209;2(b))</span></div><div style="line-height:120%;text-align:left;font-size:10pt;"><span><ix:nonNumeric id="d8601259e262-wk-Fact-DCD928BFF9710550160B96AF1AFC65BE" name="dei:PreCommencementIssuerTenderOffer" contextRef="D2019Q3SD" format="ixt-sec:boolballotbox"><span style="font-family:Arial Unicode MS;">&#9744;</span></ix:nonNumeric></span><span style="font-family:inherit;font-size:10pt;">Pre&#8209;commencement communications pursuant to Rule&#160;13e&#8209;4(c)&#160;under the Exchange Act (17 CFR 240.13e&#8209;4(c))</span></div><div style="line-height:120%;padding-top:8px;text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Securities registered pursuant to Section 12(b) of the Act:</span></div><div style="line-height:120%;text-align:center;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:96.95817490494296%;border-collapse:collapse;text-align:left;"><tr><td colspan="3"></td></tr><tr><td style="width:36%;"></td><td style="width:19%;"></td><td style="width:45%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #000000;border-top:1px solid #000000;"><div style="padding-bottom:2px;text-align:center;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Title of each class</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #000000;border-top:1px solid #000000;"><div style="padding-bottom:2px;text-align:center;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Trading Symbol(s)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #000000;border-right:1px solid #000000;border-top:1px solid #000000;"><div style="padding-bottom:2px;text-align:center;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Name of each exchange on which registered</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #000000;border-top:1px solid #000000;"><div style="padding-bottom:2px;text-align:center;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span><ix:nonNumeric id="d8601259e300-wk-Fact-11926DB76F120A0E99A4975B18AB2814" name="dei:Security12bTitle" contextRef="D2019Q3SD">Common Stock, par value $0.001 per share</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #000000;border-top:1px solid #000000;"><div style="padding-bottom:2px;text-align:center;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span><ix:nonNumeric id="d8601259e305-wk-Fact-87BF9363B01794DD5557975B19505E50" name="dei:TradingSymbol" contextRef="D2019Q3SD">ANAB</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #000000;border-right:1px solid #000000;border-top:1px solid #000000;"><div style="padding-bottom:2px;text-align:center;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span><ix:nonNumeric id="d8601259e310-wk-Fact-5350A4E72E1E48267EA9975B1A7C3C11" name="dei:SecurityExchangeName" contextRef="D2019Q3SD" format="ixt-sec:exchnameen">The Nasdaq Stock Market LLC</ix:nonNumeric></span></span></div></td></tr></table></div></div><div style="line-height:120%;text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div><div style="line-height:120%;text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;background-color:#ffffff;">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 12b-2 of the Securities Exchange Act of 1934 (&#167;240.12b-2 of this chapter).</span></div><div style="line-height:120%;text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div><div style="line-height:120%;text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;background-color:#ffffff;">Emerging growth company</span><span style="font-family:inherit;font-size:10pt;">   </span><span><ix:nonNumeric id="d8601259e324-wk-Fact-A98FAE747CB4989775CE9698788479E4" name="dei:EntityEmergingGrowthCompany" contextRef="D2019Q3SD" format="ixt-sec:boolballotbox"><span style="font-family:Arial Unicode MS;">&#9744;</span></ix:nonNumeric></span><span style="font-family:inherit;font-size:10pt;"> </span></div><div style="line-height:120%;text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div><div style="line-height:120%;text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">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.  </span><span style="font-family:Arial Unicode MS;font-size:10pt;">&#9744;</span></div><div><br/></div><hr style="page-break-after:always"></hr><div><a id="s33B6CEE9D7B750E5ACD2230C8E28A6B4"></a></div><div><br/></div><div style="line-height:120%;padding-bottom:6px;padding-top:6px;text-align:left;-sec-extract:summary;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;font-weight:bold;">Item&#160;5.02.&#160;&#160;&#160;&#160; Departure of Directors or Certain Officers; Election Of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.</span></div><div style="line-height:120%;padding-bottom:6px;padding-top:6px;text-align:left;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;"><br/></span></div><div style="line-height:120%;padding-bottom:16px;text-align:left;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;">On August 16, 2019, Dominic Piscitelli, the Chief Financial Officer of AnaptysBio, Inc. (&#8220;AnaptysBio&#8221;), notified AnaptysBio of his decision to resign, effective as of September 9, 2019. </span></div><div style="line-height:120%;padding-bottom:16px;text-align:left;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;">Effective immediately, AnaptysBio has appointed Eric Loumeau, 56, as interim Chief Financial Officer and General Counsel. Mr. Loumeau has served as AnaptysBio&#8217;s General Counsel since August 2018. Mr. Loumeau's expertise includes corporate finance, raising over $5 billion in over 75 public and private securities offerings, and mergers and acquisitions. Mr. Loumeau previously served as General Counsel and Chief Compliance Officer of Otonomy, Inc. from May 2015 through March 2018. Before joining Otonomy, Mr. Loumeau served as Chief Financial Officer of Rempex Pharmaceuticals, Inc. from June 2011 to December 2013 and continued as Vice President of Legal Affairs from December 2013 until May 2015 following Rempex&#8217;s acquisition by The Medicines Company. He also previously functioned as General Counsel at Hollis-Eden Pharmaceuticals, Inc. for over seven years. Mr. Loumeau&#8217;s experience as outside corporate counsel at national law firms includes tenures at Skadden, Arps, Slate, Meagher &amp; Flom LLP, Cooley LLP, Mintz Levin Cohn Ferris Glovsky and Popeo PC, and Bass, Berry &amp; Sims PLC. Mr. Loumeau received his J.D. from Boalt Hall School of Law at the University of California, Berkeley, and his B.S. in Finance from Brigham Young University.</span></div><div style="line-height:120%;padding-bottom:16px;text-align:left;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;">In connection with Mr. Loumeau&#8217;s appointment as interim Chief Financial Officer, AnaptysBio has granted Mr. Loumeau an option to purchase 17,500 shares of our common stock with an exercise price equal to the fair market value of our common stock on the date of grant.</span></div><div style="line-height:120%;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;"><br/></span></div><div><br/></div><div><div style="line-height:120%;text-align:left;font-size:12pt;"><span style="font-family:inherit;font-size:12pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><br/></div><div style="line-height:130%;padding-bottom:6px;padding-top:6px;text-align:center;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;font-weight:bold;">SIGNATURES</span></div><div style="line-height:130%;padding-bottom:6px;padding-top:6px;text-align:center;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;"><br/></span></div><div style="line-height:120%;text-align:left;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;">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.</span></div><div style="line-height:120%;text-align:left;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;"><br/></span></div><div style="line-height:120%;text-align:left;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;"> &#160;&#160;&#160;&#160;  &#160;&#160;&#160;&#160;  &#160;&#160;&#160;&#160;  &#160;&#160;&#160;&#160;  </span></div><div style="line-height:120%;text-align:left;text-indent:240px;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;">AnaptysBio, Inc.</span></div><div style="line-height:120%;text-align:left;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;">  &#160;&#160;&#160;&#160;  &#160;&#160;&#160;&#160;  &#160;&#160;&#160;&#160;  &#160;&#160;&#160;&#160;  </span></div><div style="line-height:120%;text-align:left;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;"><br/></span></div><div style="line-height:120%;text-align:left;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;">Date:  August&#160;19, 2019&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;By:&#160;&#160;&#160;&#160;</span><span style="font-family:inherit;font-size:11pt;text-decoration:underline;">/s/ Hamza Suria&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</span></div><div style="line-height:120%;text-align:left;text-indent:96px;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</span></div><div style="line-height:120%;padding-bottom:4px;text-align:left;text-indent:240px;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;">Name: Hamza Suria</span></div><div style="line-height:120%;text-align:left;text-indent:240px;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;">Title: Chief Executive Officer</span></div><div style="line-height:120%;text-align:left;padding-left:288px;text-indent:240px;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;"><br/></span></div><div style="line-height:120%;text-align:left;padding-left:288px;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;"><br/></span></div><div style="line-height:120%;text-align:left;padding-left:288px;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;"><br/></span></div><div style="line-height:120%;text-align:left;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;"><br/></span></div><div style="line-height:120%;text-align:left;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;"><br/></span></div><div style="line-height:120%;text-align:left;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;">&#160;</span></div><div style="line-height:120%;text-align:center;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;"><br/></span></div><div><br/></div><div><div style="line-height:120%;text-align:center;font-size:12pt;"><span style="font-family:inherit;font-size:12pt;"><br/></span></div><div style="line-height:100%;text-align:left;font-size:12pt;"><span style="font-family:inherit;font-size:12pt;">&#160;</span></div></div>	</body>
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{"company-data": {"conformed-name": "ANAPTYSBIO, INC", "cik": "0001370053", "assigned-sic": "2834", "irs-number": "203828755", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-37985", "film-number": "191036707"}, "business-address": {"street1": "10421 PACIFIC CENTER COURT, SUITE 200", "city": "SAN DIEGO", "state": "CA", "zip": "92121", "phone": "858-362-6295"}, "mail-address": {"street1": "10421 PACIFIC CENTER COURT, SUITE 200", "city": "SAN DIEGO", "state": "CA", "zip": "92121"}, "former-company": [{"former-conformed-name": "ANAPTYSBIO INC", "date-changed": "20080828"}, {"former-conformed-name": "ANAPTYS BIOSCIENCES INC", "date-changed": "20060724"}]}
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
Date of Report:
August 16, 2019
(Date of earliest event reported)
ANAPTYSBIO, INC
.
(Exact Name of Registrant as Specified in Its Charter)
Delaware
001-37985
20-3828755
(State or Other Jurisdiction of Incorporation)
(Commission File Number)
(IRS Employer Identification No.)
10421 Pacific Center Court
,
Suite 200
San Diego
,
CA
92121
(Address of Principal Executive Offices, and Zip Code)
(
858
)
362-6295
(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 (see General Instruction A.2. below):
☐
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, par value $0.001 per share
ANAB
The Nasdaq Stock Market LLC
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 5.02.     Departure of Directors or Certain Officers; Election Of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.
On August 16, 2019, Dominic Piscitelli, the Chief Financial Officer of AnaptysBio, Inc. ("AnaptysBio"), notified AnaptysBio of his decision to resign, effective as of September 9, 2019.
Effective immediately, AnaptysBio has appointed Eric Loumeau, 56, as interim Chief Financial Officer and General Counsel. Mr. Loumeau has served as AnaptysBio's General Counsel since August 2018. Mr. Loumeau's expertise includes corporate finance, raising over $5 billion in over 75 public and private securities offerings, and mergers and acquisitions. Mr. Loumeau previously served as General Counsel and Chief Compliance Officer of Otonomy, Inc. from May 2015 through March 2018. Before joining Otonomy, Mr. Loumeau served as Chief Financial Officer of Rempex Pharmaceuticals, Inc. from June 2011 to December 2013 and continued as Vice President of Legal Affairs from December 2013 until May 2015 following Rempex's acquisition by The Medicines Company. He also previously functioned as General Counsel at Hollis-Eden Pharmaceuticals, Inc. for over seven years. Mr. Loumeau's experience as outside corporate counsel at national law firms includes tenures at Skadden, Arps, Slate, Meagher & Flom LLP, Cooley LLP, Mintz Levin Cohn Ferris Glovsky and Popeo PC, and Bass, Berry & Sims PLC. Mr. Loumeau received his J.D. from Boalt Hall School of Law at the University of California, Berkeley, and his B.S. in Finance from Brigham Young University.
In connection with Mr. Loumeau's appointment as interim Chief Financial Officer, AnaptysBio has granted Mr. Loumeau an option to purchase 17,500 shares of our common stock with an exercise price equal to the fair market value of our common stock on the date of grant.
SIGNATURES
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.
AnaptysBio, Inc.
Date:  August 19, 2019                By:
/s/ Hamza Suria
Name: Hamza Suria
Title: Chief Executive Officer