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UNITED STATES |
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SECURITIES AND EXCHANGE COMMISSION |
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Washington, D.C. 20549 |
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SCHEDULE 13G/A |
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INFORMATION
TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13D-1(B), (C), AND (D) AND
AMENDMENTS THERETO FILED PURSUANT TO RULE 13D-2
Under the Securities Exchange Act of 1934
(Amendment No. 2)*
Threshold Pharmaceuticals, Inc.
(Name of Issuer)
Common Stock, $0.001 par value per share
(Title of Class of Securities)
885807107
(CUSIP Number)
December 31, 2006
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
o |
Rule 13d-1(b) |
x |
Rule 13d-1(c) |
o |
Rule 13d-1(d) |
*The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.
The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).
Page 1 of 9 pages
CUSIP No. 885807107 |
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1. |
Names of Reporting
Persons. I.R.S. Identification Nos. of above persons (entities only) |
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2. |
Check the Appropriate Box if a Member of a Group (See Instructions) |
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(a) |
o |
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(b) |
x |
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3. |
SEC Use Only |
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4. |
Citizenship or Place of
Organization |
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Number of |
5. |
Sole Voting Power |
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6. |
Shared Voting Power
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7. |
Sole Dispositive Power
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8. |
Shared Dispositive Power |
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9. |
Aggregate Amount
Beneficially Owned by Each Reporting Person |
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10. |
Check if the Aggregate
Amount in Row (9) Excludes Certain Shares (See Instructions) o |
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11. |
Percent of Class
Represented by Amount in Row (9) |
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12. |
Type of Reporting Person
(See Instructions) |
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Page 2 of 9 pages
CUSIP No. 885807107 |
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1. |
Names of Reporting
Persons. I.R.S. Identification Nos. of above persons (entities only) |
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2. |
Check the Appropriate Box if a Member of a Group (See Instructions) |
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(a) |
o |
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(b) |
x |
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3. |
SEC Use Only |
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4. |
Citizenship or Place of
Organization |
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Number of |
5. |
Sole Voting Power |
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6. |
Shared Voting Power
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7. |
Sole Dispositive Power
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8. |
Shared Dispositive Power |
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9. |
Aggregate Amount
Beneficially Owned by Each Reporting Person |
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10. |
Check if the Aggregate
Amount in Row (9) Excludes Certain Shares (See Instructions) o |
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11. |
Percent of Class
Represented by Amount in Row (9) |
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12. |
Type of Reporting Person
(See Instructions) |
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Page 3 of 9 pages
CUSIP No. 885807107 |
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1. |
Names of Reporting
Persons. I.R.S. Identification Nos. of above persons (entities only) |
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2. |
Check the Appropriate Box if a Member of a Group (See Instructions) |
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(a) |
o |
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(b) |
x |
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3. |
SEC Use Only |
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4. |
Citizenship or Place of
Organization |
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Number of |
5. |
Sole Voting Power |
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6. |
Shared Voting Power
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7. |
Sole Dispositive Power
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8. |
Shared Dispositive Power |
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9. |
Aggregate Amount
Beneficially Owned by Each Reporting Person |
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10. |
Check if the Aggregate
Amount in Row (9) Excludes Certain Shares (See Instructions) o |
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11. |
Percent of Class
Represented by Amount in Row (9) |
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12. |
Type of Reporting Person
(See Instructions) |
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Page 4 of 9 pages
Item 1. |
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(a) |
Name of Issuer |
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(b) |
Address of Issuers
Principal Executive Offices |
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Item 2. |
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(a) |
Name of Person Filing |
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(b) |
Address of Principal
Business Office or, if none, Residence |
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(c) |
Citizenship |
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(d) |
Title of Class of
Securities |
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(e) |
CUSIP Number |
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Item 3. |
If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a: |
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(a) |
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Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o). |
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(b) |
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Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c). |
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(c) |
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Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c). |
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(d) |
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Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C 80a-8). |
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(e) |
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An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E); |
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(f) |
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An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F); |
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(g) |
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A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G); |
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(h) |
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A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813); |
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(i) |
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A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3); |
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(j) |
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Group, in accordance with §240.13d-1(b)(1)(ii)(J). |
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Not applicable. |
Page 5 of 9 pages
Item 4. |
Ownership |
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Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1. |
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(a) |
Amount beneficially owned: Tang Capital Partners.
Tang Capital Partners is the record and beneficial owner of 3,987,500
shares of Common Stock and shares voting and dispositive power over such
securities with Tang Capital Management and Kevin C. Tang. · 3,987,500 shares owned by Tang Capital Partners, for which Tang Capital Management, of which Mr. Tang is manager, serves as general partner. Mr. Tang shares voting and dispositive power over such shares with Tang Capital Management and Tang Capital Partners. · 28,300 shares owned by Kevin C. Tangs Individual Retirement Account. Mr. Tang has sole voting and dispositive power over such shares. |
Page 6 of 9 pages
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· 186,000 shares owned by Kevin C. Tang and Haeyoung K. Tang, Trustees of The Tang Family Trust dated 8/27/02 (Tang Family Trust). Kevin C. Tang shares voting and dispositive power over these shares with Haeyoung K. Tang.
· 12,100 shares owned by the Individual Retirement Account for the benefit of Chang L. Kong (the Chang IRA) and 11,600 shares owned by the Individual Retirement Account for the benefit of Chung W. Kong (the Chung IRA). Mr. Tang may be deemed to have shared dispositive power over the shares held in the Chang IRA and Chung IRA.
· 39,400 shares owned by Julian K. Tang under the Uniform Transfers to Minors Act (UTMA), for which Mr. Tang serves as trustee. Mr. Tang has sole voting and dispositive power over such shares.
· 48,000 shares owed by Justin L. Tang under the UTMA, for which Mr. Tang serves as trustee. Mr. Tang has sole voting and dispositive power over such shares.
· 5,000 shares owned by Noa Y. Tang under the UTMA, for which Mr. Tang serves as trustee. Mr. Tang has sole voting and dispositive power over such shares.
· 18,700 shares owned by the Tang Advisors, LLC Profit Sharing Plan, for which Mr. Tang serves as trustee and is a participant. Mr. Tang has sole voting and dispositive power over such shares.
· 900 shares owned by the Tang Advisors, LLC Profit Sharing Plan FBO DR, for which Mr. Tang serves as trustee. Mr. Tang has sole voting and dispositive power over such shares.
Mr. Tang disclaims beneficial ownership of all shares reported herein except to the extent of his pecuniary interest therein. |
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(b) |
Percent of class: Tang Capital Partners |
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(c) |
Number of shares as to which the person has:
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(i) |
Sole power to vote or to direct the vote Tang Capital Partners |
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(ii) |
Shared power to vote or to direct the vote Tang Capital Partners Tang Capital Management |
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(iii) |
Sole power to dispose or to direct the disposition of |
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Tang Capital Partners |
0 shares |
Page 7 of 9 pages
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(iv) |
Shared power to dispose or to direct the disposition of |
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Tang Capital Partners |
3,987,500 shares |
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Item 5. |
Ownership of Five Percent or Less of a Class |
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If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following o. |
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Item 6. |
Ownership of More than Five Percent on Behalf of Another Person |
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Not applicable |
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Item 7. |
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person |
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Not applicable |
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Item 8. |
Identification and Classification of Members of the Group |
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Not applicable |
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Item 9. |
Notice of Dissolution of Group |
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Not applicable |
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Item 10. |
Certification |
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By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. |
Page 8 of 9 pages
Signature
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
Date: |
February 9, 2007 |
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TANG CAPITAL PARTNERS, LP |
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By: Tang Capital Management, LLC, its General Partner |
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By: |
/s/ Kevin C. Tang |
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Kevin C. Tang, Manager |
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TANG CAPITAL MANAGEMENT, LLC |
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By: |
/s/ Kevin C. Tang |
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Kevin C. Tang, Manager |
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/s/ Kevin C. Tang |
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Kevin C. Tang |
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Page 9 of 9 pages