SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
PRESIDIO MANAGEMENT GROUP VIII L L C

(Last) (First) (Middle)
2735 SAND HILL ROAD

(Street)
MENLO PARK CA 94025

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
OncoMed Pharmaceuticals Inc [ OMED ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
07/23/2013
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 07/23/2013 C 1,028,381 A (1) 1,028,381 I Directly owned by USVP VIII(2)
Common Stock 07/23/2013 C 1,215,407 A (1) 2,243,788 I Directly owned by USVP VIII(2)
Common Stock 07/23/2013 C 1,505,032 A (1) 3,748,820 I Directly owned by USVP VIII(2)
Common Stock 07/23/2013 P 155,164 A $17 3,903,984 I Directly owned by USVP VIII(2)
Common Stock 07/23/2013 C 9,505 A (1) 9,505 I Directly owned by EP VIII-A(2)
Common Stock 07/23/2013 C 11,233 A (1) 20,738 I Directly owned by EP VIII-A(2)
Common Stock 07/23/2013 C 13,910 A (1) 34,648 I Directly owned by EP VIII-A(2)
Common Stock 07/23/2013 P 1,434 A $17 36,082 I Directly owned by EP VIII-A(2)
Common Stock 07/23/2013 C 4,817 A (1) 4,817 I Directly owned by EP VIII-B(2)
Common Stock 07/23/2013 C 5,694 A (1) 10,511 I Directly owned by EP VIII-B(2)
Common Stock 07/23/2013 C 7,051 A (1) 17,562 I Directly owned by EP VIII-B(2)
Common Stock 07/23/2013 P 727 A $17 18,289 I Directly owned by EP VIII-B(2)
Common Stock 07/23/2013 C 9,926 A (1) 9,926 I Directly owned by AFF VIII(2)
Common Stock 07/23/2013 C 11,731 A (1) 21,657 I Directly owned by AFF VIII(2)
Common Stock 07/23/2013 C 14,527 A (1) 36,184 I Directly owned by AFF VIII(2)
Common Stock 07/23/2013 P 1,498 A $17 37,682 I Directly owned by AFF VIII(2)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Series A Preferred Stock(1) (1) 07/23/2013 C 1,028,381 (3) (4) Common Stock 1,028,381 (1) 0 I Directly owned by USVP VIII(2)
Series A Preferred Stock(1) (1) 07/23/2013 C 9,505 (3) (4) Common Stock 9,505 (1) 0 I Directly owned by EP VIII-A(2)
Series A Preferred Stock(1) (1) 07/23/2013 C 4,817 (3) (4) Common Stock 4,817 (1) 0 I Directly owned by EP VIII-B(2)
Series A Preferred Stock(1) (1) 07/23/2013 C 9,926 (3) (4) Common Stock 9,926 (1) 0 I Directly owned by AFF VIII(2)
Series B Preferred Stock(1) (1) 07/23/2013 C 1,215,407 (3) (4) Common Stock 1,215,407 (1) 0 I Directly owned by USVP VIII(2)
Series B Preferred Stock(1) (1) 07/23/2013 C 11,233 (3) (4) Common Stock 11,233 (1) 0 I Directly owned by EP VIII-A(2)
Series B Preferred Stock(1) (1) 07/23/2013 C 5,694 (3) (4) Common Stock 5,694 (1) 0 I Directly owned by EP VIII-B(2)
Series B Preferred Stock(1) (1) 07/23/2013 C 11,731 (3) (4) Common Stock 11,731 (1) 0 I Directly owned by AFF VIII(2)
Series B-1 Preferred Stock(1) (1) 07/23/2013 C 1,505,032 (3) (4) Common Stock 1,505,032 (1) 0 I Directly owned by USVP VIII(2)
Series B-1 Preferred Stock(1) (1) 07/23/2013 C 13,910 (3) (4) Common Stock 13,910 (1) 0 I Directly owned by EP VIII-A(2)
Series B-1 Preferred Stock(1) (1) 07/23/2013 C 7,051 (3) (4) Common Stock 7,051 (1) 0 I Directly owned by EP VIII-B(2)
Series B-1 Preferred Stock(1) (1) 07/23/2013 C 14,527 (3) (4) Common Stock 14,527 (1) 0 I Directly owned by AFF VIII(2)
1. Name and Address of Reporting Person*
PRESIDIO MANAGEMENT GROUP VIII L L C

(Last) (First) (Middle)
2735 SAND HILL ROAD

(Street)
MENLO PARK CA 94025

(City) (State) (Zip)
1. Name and Address of Reporting Person*
Tansey Casey M

(Last) (First) (Middle)
2735 SAND HILL ROAD

(Street)
MENLO PARK CA 94025

(City) (State) (Zip)
1. Name and Address of Reporting Person*
YOUNG PHILIP M

(Last) (First) (Middle)
2735 SAND HILL ROAD

(Street)
MENLO PARK CA 94025

(City) (State) (Zip)
Explanation of Responses:
1. Each share of Series A, Series B and Series B-1 Preferred Stock automatically converted on a one-to-one basis into Common Stock immediately prior to the consummation of the Issuer's initial public offering on July 23, 2013.
2. The reported securities are owned directly by each of U.S. Venture Partners VIII, L.P. ("USVP VIII"), USVP VIII Affiliates Fund, L.P. ("AFF VIII"), USVP Entrepreneur Partners VIII-A, L.P. ("EP VIII-A") and USVP Entrepreneur Partners VIII-B, L.P. ("EP VIII-B" and together with USVP VIII, AFF VIII and EP VIII-A, the "USVP Funds"). Presidio Management Group VIII, LLC, or PMG VIII, is the general partner of the USVP Funds, and may be deemed to have sole voting and dispositive power over the shares held by the USVP Funds. PMG VIII and Irwin Federman, Winston Fu, Steven Krausz, David Liddle, Jonathan Root, Christopher Rust, Casey Tansey and Philip Young, the managing members of PMG VII, who may be deemed to share voting and dispositive power over the reported securities, disclaim beneficial ownership of the reported securities held by the USVP Funds except to the extent of any pecuniary interest therein.
3. The securities are immediately convertible.
4. The expiration date is not relevant to the conversion of these securities.
Remarks:
This report is the second of two reports, each on a separate Form 4, but relating to the same transaction being filed by the reporting persons.
/s/ Michael Maher, Attorney-in-Fact for Presidio Management Group VIII, L.L.C. 07/23/2013
/s/ Michael Maher, Attorney-in-Fact for Casey M. Tansey 07/23/2013
/s/ Michael Maher, Attorney-in-Fact for Philip M. Young 07/23/2013
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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