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      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>UNITED
        STATES SECURITIES AND EXCHANGE COMMISSION</strong></font></div>
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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>Washington,
      DC 20549</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 14pt; FONT-FAMILY: Times New Roman"><strong>FORM
      8-K</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>CURRENT
      REPORT</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>Pursuant
      to Section 13 or 15(d) of the Securities Exchange Act of
      1934</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
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              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Date
                of Report (Date of Earliest Event Reported): August 18, 2006</font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(August
                17, 2006)</font></div>
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              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">&#160;</div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 28pt; FONT-FAMILY: Times New Roman, Times New Roman, serif"><strong><u>ISORAY,
                INC.</u></strong></font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Exact
                name of registrant as specified in its charter)
</font></div>
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              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong><u>Minnesota</u></strong></font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(State
                or other jurisdiction </font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">of
                incorporation)</font></div>
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              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong><u>000-14247</u></strong></font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Commission
                </font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">File
                Number)</font></div>
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              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong><u>41-1458152</u></strong></font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(IRS
                Employer </font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Identification
                No.)</font></div>
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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong><u>350
      Hills Street, Suite 106, Richland, Washington 99354</u></strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Address
      of principal executive offices) (Zip Code)</font></div>
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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong><u>(509)
      375-1202</u></strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Registrant's
      telephone number)</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">&#160;</div>
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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>ITEM
      1.01 Entry into a Material Definitive Agreement</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>ITEM&#160;3.02
      Unregistered Sales of Equity Securities</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">On
      August
      17, 2006, IsoRay, Inc. (the "Registrant") sold certain shares of its common
      stock and warrants to purchase common stock pursuant to a Common Stock and
      Warrant Purchase Agreement (the "Purchase Agreement") dated August 9, 2006.
      The
      securities were issued to 25 accredited investors pursuant to the exemption
      from
      registration provided by Section 4(2) of the Securities Act of 1933, as amended.
      MicroCapital, LLC acted as the lead investor for the transaction. A total of
      $5,158,000 in cash proceeds (less 6% commissions to registered broker-dealers)
      was received by the Registrant in exchange for the issuance of 2,063,200 shares
      of common stock and warrants to purchase 2,063,200 shares of common stock.
      In
      addition, brokers assisting the Registrant with the capital raise were issued
      warrants to purchase 169,500 shares of common stock on identical terms as the
      warrants issued to investors. If all warrants were exercised, the Registrant
      would receive $6,698,100.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Pursuant
      to the Purchase Agreement, the purchase price per share of the Registrant's
      common stock was $2.50, and the accompanying warrants were issued with an
      exercise price of $3.00 per share. The warrants and the Purchase Agreement
      contain anti-dilution provisions, including one providing that, if the
      Registrant issues stock or rights to acquire stock at a price less than $2.00
      (excluding certain issuances such as options to employees, directors and certain
      consultants and shares issued in connection with licensing or leasing
      transactions), the Registrant is required to issue to each investor additional
      shares equal to 25% of what such investor purchased in the original transaction.
      The warrants are exercisable by the holder at an exercise price of $3.00
      (subject to anti-dilution and adjustment provisions) for a period of five years
      from the date of issuance. The warrants are callable by the Registrant for
      45
      days after a period of 60 trading days in which the price of the underlying
      stock exceeds $4.50 per share for 30 of the 60 days, and only if a registration
      statement covering the underlying shares is effective.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">In
      connection with the Purchase Agreement, the Registrant also entered into a
      Registration Rights Agreement whereby the Registrant has agreed to file a
      registration statement to cover the re-sale of the shares of common stock sold
      and issuable upon exercise of the warrants. Under the Registration Rights
      Agreement, the Registrant has agreed to file the registration statement within
      60 days of the closing, cure any defect causing the registration statement
      to
      fail to be effective within 10 business days, and cause suspension periods
      for
      the registration statement to not exceed 60 days in any 360 day period. If
      the
      Registrant fails to comply with these provisions, the Registrant will be
      required to pay as liquidated damages an amount equal to 2% of the aggregate
      purchase price paid by the investors for each 30 day period during which the
      failure continues, not to exceed 10% of the aggregate purchase
      price.</font><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>ITEM&#160;9.01
      Financial Statements and Exhibits</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
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            </td>
            <td align="left" style="width: 27pt;"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(d)</font></td>
            <td align="left">
              <div align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><u>Exhibits</u></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">.</font></div>
            </td>
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            <td align="left" style="width: 27pt;"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">4.13</font></td>
            <td align="left">
              <div align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Form
                of Registration Rights Agreement among IsoRay, Inc. and the other
                signatories thereto, dated August 9,
                2006.</font></div>
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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
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            </td>
            <td align="left" style="width: 27pt;"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">4.14</font></td>
            <td align="left">
              <div align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Form
                of IsoRay, Inc. Common Stock Purchase Warrant, dated August 9,
                2006.</font></div>
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            <td align="left" style="width: 27pt;"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">10.33</font></td>
            <td align="left">
              <div align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Common
                Stock and Warrant Purchase Agreement among IsoRay, Inc. and the other
                signatories thereto, dated August 9,
                2006.</font></div>
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            </td>
            <td align="left" style="width: 27pt;"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">99.1</font></td>
            <td align="left">
              <div align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Press
                Release, dated August 18, 2006. </font></div>
            </td>
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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>SIGNATURES</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">In
      accordance with the requirements of the Exchange Act, the Registrant caused
      this
      report to be signed on its behalf by the undersigned, thereunto duly
      authorized.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Dated:
      August 17, 2006</font></div>
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              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">IsoRay,
                Inc., a Minnesota corporation</font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
              <div style="DISPLAY: block; MARGIN-LEFT: 216pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">By:
                </font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><u>/s/
                Roger E.
                Girard&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;
                </u></font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 18pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Roger
                E. Girard, CEO</font></div>
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{"company-data": {"conformed-name": "IsoRay, Inc.", "cik": "0000728387", "assigned-sic": "3841", "irs-number": "411458152", "state-of-incorporation": "MN", "fiscal-year-end": "0930"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-14247", "film-number": "061044081"}, "business-address": {"street1": "350 HILLS STREET,", "street2": "SUITE 106", "city": "RICHLAND", "state": "WA", "zip": "99354", "phone": "(509) 375-1202"}, "mail-address": {"street1": "350 HILLS STREET,", "street2": "SUITE 106", "city": "RICHLAND", "state": "WA", "zip": "99354"}, "former-company": {"former-conformed-name": "CENTURY PARK PICTURES CORP", "date-changed": "19920703"}}
Unassociated Document
UNITED
        STATES SECURITIES AND EXCHANGE COMMISSION
Washington,
      DC 20549
FORM
      8-K
CURRENT
      REPORT
Pursuant
      to Section 13 or 15(d) of the Securities Exchange Act of
      1934
Date
                of Report (Date of Earliest Event Reported): August 18, 2006
(August
                17, 2006)
ISORAY,
                INC.
(Exact
                name of registrant as specified in its charter)
Minnesota
(State
                or other jurisdiction
of
                incorporation)
000-14247
(Commission
File
                Number)
41-1458152
(IRS
                Employer
Identification
                No.)
350
      Hills Street, Suite 106, Richland, Washington 99354
(Address
      of principal executive offices) (Zip Code)
(509)
      375-1202
(Registrant's
      telephone number)
ITEM
      1.01 Entry into a Material Definitive Agreement
ITEM 3.02
      Unregistered Sales of Equity Securities
On
      August
      17, 2006, IsoRay, Inc. (the "Registrant") sold certain shares of its common
      stock and warrants to purchase common stock pursuant to a Common Stock and
      Warrant Purchase Agreement (the "Purchase Agreement") dated August 9, 2006.
      The
      securities were issued to 25 accredited investors pursuant to the exemption
      from
      registration provided by Section 4(2) of the Securities Act of 1933, as amended.
      MicroCapital, LLC acted as the lead investor for the transaction. A total of
      $5,158,000 in cash proceeds (less 6% commissions to registered broker-dealers)
      was received by the Registrant in exchange for the issuance of 2,063,200 shares
      of common stock and warrants to purchase 2,063,200 shares of common stock.
      In
      addition, brokers assisting the Registrant with the capital raise were issued
      warrants to purchase 169,500 shares of common stock on identical terms as the
      warrants issued to investors. If all warrants were exercised, the Registrant
      would receive $6,698,100.
Pursuant
      to the Purchase Agreement, the purchase price per share of the Registrant's
      common stock was $2.50, and the accompanying warrants were issued with an
      exercise price of $3.00 per share. The warrants and the Purchase Agreement
      contain anti-dilution provisions, including one providing that, if the
      Registrant issues stock or rights to acquire stock at a price less than $2.00
      (excluding certain issuances such as options to employees, directors and certain
      consultants and shares issued in connection with licensing or leasing
      transactions), the Registrant is required to issue to each investor additional
      shares equal to 25% of what such investor purchased in the original transaction.
      The warrants are exercisable by the holder at an exercise price of $3.00
      (subject to anti-dilution and adjustment provisions) for a period of five years
      from the date of issuance. The warrants are callable by the Registrant for
      45
      days after a period of 60 trading days in which the price of the underlying
      stock exceeds $4.50 per share for 30 of the 60 days, and only if a registration
      statement covering the underlying shares is effective.
In
      connection with the Purchase Agreement, the Registrant also entered into a
      Registration Rights Agreement whereby the Registrant has agreed to file a
      registration statement to cover the re-sale of the shares of common stock sold
      and issuable upon exercise of the warrants. Under the Registration Rights
      Agreement, the Registrant has agreed to file the registration statement within
      60 days of the closing, cure any defect causing the registration statement
      to
      fail to be effective within 10 business days, and cause suspension periods
      for
      the registration statement to not exceed 60 days in any 360 day period. If
      the
      Registrant fails to comply with these provisions, the Registrant will be
      required to pay as liquidated damages an amount equal to 2% of the aggregate
      purchase price paid by the investors for each 30 day period during which the
      failure continues, not to exceed 10% of the aggregate purchase
      price.
ITEM 9.01
      Financial Statements and Exhibits
(d)
Exhibits
.
4.13
Form
                of Registration Rights Agreement among IsoRay, Inc. and the other
                signatories thereto, dated August 9,
                2006.
4.14
Form
                of IsoRay, Inc. Common Stock Purchase Warrant, dated August 9,
                2006.
10.33
Common
                Stock and Warrant Purchase Agreement among IsoRay, Inc. and the other
                signatories thereto, dated August 9,
                2006.
99.1
Press
                Release, dated August 18, 2006.
SIGNATURES
In
      accordance with the requirements of the Exchange Act, the Registrant caused
      this
      report to be signed on its behalf by the undersigned, thereunto duly
      authorized.
Dated:
      August 17, 2006
IsoRay,
                Inc., a Minnesota corporation
By:
/s/
                Roger E.
                Girard
Roger
                E. Girard, CEO