Sec Form 4 Filing - Temasek Holdings (Private) Ltd @ Poshmark, Inc. - 2021-01-19

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Temasek Holdings (Private) Ltd 2. Issuer Name and Ticker or Trading Symbol Poshmark, Inc. [ POSH] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 60B ORCHARD ROAD #06-18 TOWER 2, THE ATRIUM@ORCHARD 3. Date of Earliest Transaction (MM/DD/YY) 01/19/2021 (Street) SINGAPORE, U0238891 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: 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 D Preferred Stock ( 1 ) 01/19/2021 C 5,971,646 ( 1 ) ( 1 ) Common Stock (Class B common stock) ( 2 ) 5,971,646 $ 0 0 I By Fund ( 3 ) Class B Common Stock ( 2 ) ( 4 ) 01/19/2021 C 5,971,646 ( 4 ) ( 4 ) Class A Common Stock ( 4 ) 5,971,646 $ 0 5,971,646 I By Fund ( 3 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Temasek Holdings (Private) Ltd 60B ORCHARD ROAD #06-18 TOWER 2 THE ATRIUM@ORCHARD SINGAPORE, U0238891 X Tembusu Capital Pte. Ltd. 60B ORCHARD ROAD #06-18 TOWER 2 THE ATRIUM@ORCHARD SINGAPORE, U0238891 X Thomson Capital Pte. Ltd. 60B ORCHARD ROAD #06-18 TOWER 2 THE ATRIUM@ORCHARD SINGAPORE, U0238891 X Anderson Investments Pte. Ltd. 60B ORCHARD ROAD #06-18 TOWER 2 THE ATRIUM@ORCHARD SINGAPORE, U0238891 X Signatures Temasek Holdings (Private) Ltd, By/s/ Andrew Ang Lye Whatt, Authorised Signatory 01/21/2021 Signature of Reporting Person Date Tembusu Capital Pte. Ltd, By /s/Gregory Tan, Director 01/21/2021 Signature of Reporting Person Date Thomson Capital Pte. Ltd, By /s/Poy Weng Chuen, Director 01/21/2021 Signature of Reporting Person Date Anderson Investments Pte. Ltd, By/s/ Poy Weng Chuen, Director 01/21/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Immediately prior to the closing of the Issuer's initial public offering, each share of Series D Preferred Stock (the "Preferred Stock") automatically converted into shares of the Issuer's Class B Common Stock on a one-for-one basis. The shares of Preferred Stock had no expiration date. ( 2 )Immediately prior to the closing of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class B Common Stock. ( 3 )These shares are held by Anderson Investments Pte. Ltd ("Anderson"). Anderson is a direct wholly-owned subsidiary of Thomson Capital Pte. Ltd. ("Thomson"), which in turn is a direct wholly-owned subsidiary of Tembusu Capital Pte.Ltd. ("Tembusu"), which in turn is a direct wholly-owned subsidiary of Temasek Holdings (Private) Limited ("Temasek"). In such capacities, each of Thomson, Tembusu, and Temasek may be deemed to have voting and dispositive powerover the shares held by Anderson. Each of Thomson, Tembusu and Temasek disclaims beneficial ownership of such shares, except to the extent of its proportionate pecuniary interest therein. ( 4 )Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the Reporting Person.

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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