Sec Form 3 Filing - SC US (TTGP), LTD. @ Maplebear Inc. - 2023-09-18

FORM 3 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 SC US (TTGP), LTD. 2. Issuer Name and Ticker or Trading Symbol Maplebear Inc. [ CART] 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) 2800 SAND HILL ROAD, SUITE 101 3. Date of Earliest Transaction (MM/DD/YY) 09/18/2023 (Street) MENLO PARK, CA94025 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 Common Stock 1,839,918 I Sequoia Capital Global Growth Fund II, L.P. ( 2 ) ( 3 ) ( 4 ) Common Stock 28,350 I Sequoia Capital Global Growth II Principals Fund, L.P. ( 2 ) ( 3 ) ( 4 ) Common Stock 1,217,532 I SCGGF III - U.S./India Management, L.P. ( 2 ) ( 3 ) ( 4 ) Common Stock 455,317 I Sequoia Grove II, LLC ( 5 )

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 A Preferred Stock $ 0 ( 1 ) ( 1 ) Common Stock 29,655 I Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. ( 2 ) ( 3 ) ( 4 ) Series A Preferred Stock $ 0 ( 1 ) ( 1 ) Common Stock 25,372,460 I Sequoia Capital USV XIV Holdco, Ltd. ( 2 ) ( 3 ) ( 4 ) Series A Preferred Stock $ 0 ( 1 ) ( 1 ) Common Stock 8,328,209 I Sequoia Grove II, LLC ( 5 ) Series A Preferred Stock $ 0 ( 1 ) ( 1 ) Common Stock 117 I Sequoia Grove UK, L.P. ( 5 ) Series B Preferred Stock $ 0 ( 1 ) ( 1 ) Common Stock 2,730,563 I Sequoia Capital U.S. Growth Fund VI, L.P. ( 2 ) ( 3 ) ( 4 ) Series B Preferred Stock $ 0 ( 1 ) ( 1 ) Common Stock 195,343 I Sequoia Capital U.S. Growth VI Principals Fund, L.P. ( 2 ) ( 3 ) ( 4 ) Series B Preferred Stock $ 0 ( 1 ) ( 1 ) Common Stock 258,964 I Sequoia Capital USV XIV Holdco, Ltd. ( 2 ) ( 3 ) ( 4 ) Series B Preferred Stock $ 0 ( 1 ) ( 1 ) Common Stock 1,254,314 I Sequoia Grove II, LLC ( 5 ) Series C Preferred Stock $ 0 ( 1 ) ( 1 ) Common Stock 1,452,690 I Sequoia Capital U.S. Growth Fund VI, L.P. ( 2 ) ( 3 ) ( 4 ) Series C Preferred Stock $ 0 ( 1 ) ( 1 ) Common Stock 103,925 I Sequoia Capital U.S. Growth VI Principals Fund, L.P. ( 2 ) ( 3 ) ( 4 ) Series C Preferred Stock $ 0 ( 1 ) ( 1 ) Common Stock 56,571 I Sequoia Capital USV XIV Holdco, Ltd. ( 2 ) ( 3 ) ( 4 ) Series C Preferred Stock $ 0 ( 1 ) ( 1 ) Common Stock 640,679 I Sequoia Grove II, LLC ( 5 ) Series D Preferred Stock $ 0 ( 1 ) ( 1 ) Common Stock 2,565,244 I Sequoia Capital Global Growth Fund II, L.P. ( 2 ) ( 3 ) ( 4 ) Series D Preferred Stock $ 0 ( 1 ) ( 1 ) Common Stock 39,670 I Sequoia Capital Global Growth II Principals Fund, L.P. ( 2 ) ( 3 ) ( 4 ) Series D Preferred Stock $ 0 ( 1 ) ( 1 ) Common Stock 560,953 I Sequoia Capital U.S. Growth Fund VI, L.P. ( 2 ) ( 3 ) ( 4 ) Series D Preferred Stock $ 0 ( 1 ) ( 1 ) Common Stock 8,745 I Sequoia Capital U.S. Growth VI Principals Fund, L.P. ( 2 ) ( 3 ) ( 4 ) Series D Preferred Stock $ 0 ( 1 ) ( 1 ) Common Stock 1,774,756 I Sequoia Capital U.S. Growth Fund VII, L.P. ( 2 ) ( 3 ) ( 4 ) Series D Preferred Stock $ 0 ( 1 ) ( 1 ) Common Stock 164,955 I Sequoia Capital U.S. Growth VII Principals Fund, L.P. ( 2 ) ( 3 ) ( 4 ) Series D Preferred Stock $ 0 ( 1 ) ( 1 ) Common Stock 38,524 I Sequoia Capital USV XIV Holdco, Ltd. ( 2 ) ( 3 ) ( 4 ) Series D Preferred Stock $ 0 ( 1 ) ( 1 ) Common Stock 1,637,777 I Sequoia Grove II, LLC ( 5 ) Series D Preferred Stock $ 0 ( 1 ) ( 1 ) Common Stock 12,796 I Sequoia Grove UK, L.P. ( 5 ) Series I Preferred Stock $ 0 ( 1 ) ( 1 ) Common Stock 321,719 I Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. ( 2 ) ( 3 ) ( 4 ) Series I Preferred Stock $ 0 ( 1 ) ( 1 ) Common Stock 77,009 I Sequoia Grove II, LLC ( 5 ) Series I Preferred Stock $ 0 ( 1 ) ( 1 ) Common Stock 1,272 I Sequoia Grove UK, L.P. ( 5 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other SC US (TTGP), LTD. 2800 SAND HILL ROAD, SUITE 101 MENLO PARK, CA94025 X SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XIV (Q), L.P. 2800 SAND HILL ROAD, SUITE 101 MENLO PARK, CA94025 X SEQUOIA CAPITAL USV XIV HOLDCO, LTD. 2800 SAND HILL ROAD, SUITE 101 MENLO PARK, CA94025 X SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. 2800 SAND HILL ROAD, SUITE 101 MENLO PARK, CA94025 X SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. 2800 SAND HILL ROAD, SUITE 101 MENLO PARK, CA94025 X SC U.S. GROWTH VI MANAGEMENT, L.P. 2800 SAND HILL ROAD, SUITE 101 MENLO PARK, CA94025 X SEQUOIA CAPITAL U.S. GROWTH FUND VII, L.P. 2800 SAND HILL ROAD, SUITE 101 MENLO PARK, CA94025 X SEQUOIA CAPITAL U.S. GROWTH VII PRINCIPALS FUND, L.P. 2800 SAND HILL ROAD, SUITE 101 MENLO PARK, CA94025 X SC U.S. Growth VII Management, L.P. 2800 SAND HILL ROAD, SUITE 101 MENLO PARK, CA94025 X Sequoia Grove Manager, LLC 2800 SAND HILL ROAD, SUITE 101 MENLO PARK, CA94025 X Signatures By: /s/ Jung Yeon Son, by power of attorney for Roelof Botha, a Director of SC US (TTGP), Ltd. 09/18/2023 Signature of Reporting Person Date By: /s/ Jung Yeon Son, by power of attorney for Roelof Botha, a Director of SC U.S. Venture XIV Management, L.P., the General Partner of Sequoia Capital U.S. Venture Partners Fund XIV (Q), L.P. 09/18/2023 Signature of Reporting Person Date By: /s/ Jung Yeon Son, by power of attorney for Roelof Botha, a Director of SC U.S. Venture XIV Management, L.P., the General Partner of Sequoia Capital XIV Holdco, Ltd. 09/18/2023 Signature of Reporting Person Date By: /s/ Jung Yeon Son, by power of attorney for Roelof Botha, a Director of SC U.S. Growth VI Management, L.P. 09/18/2023 Signature of Reporting Person Date By: /s/ Jung Yeon Son, by power of attorney for Roelof Botha, a Director of SC U.S. Growth VI Management, L.P., the General Partner of Sequoia Capital U.S. Growth Fund VI, L.P. 09/18/2023 Signature of Reporting Person Date By: /s/ Jung Yeon Son, by power of attorney for Roelof Botha, a Director of SC U.S. Growth VI Management, L.P., the General Partner of Sequoia Capital U.S. Growth VI Principals Fund, L.P. 09/18/2023 Signature of Reporting Person Date By: /s/ Jung Yeon Son, by power of attorney for Roelof Botha, a Director of SC U.S. Growth VII Management, L.P. 09/18/2023 Signature of Reporting Person Date By: /s/ Jung Yeon Son, by power of attorney for Roelof Botha, a Director of SC U.S. Growth VII Management, L.P., the General Partner of Sequoia Capital U.S. Growth Fund VII, L.P. 09/18/2023 Signature of Reporting Person Date By: /s/ Jung Yeon Son, by power of attorney for Roelof Botha, a Director of SC U.S. Growth VII Management, L.P., the General Partner of Sequoia Capital U.S. Growth VII Principals Fund, L.P. 09/18/2023 Signature of Reporting Person Date By: /s/ Jung Yeon Son, by power of attorney for Roelof Botha, a Managing Member of Sequoia Grove Manager, LLC 09/18/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The Series A Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series I Preferred Stock are convertible into common stock on a 1:1 basis and have no expiration date. The Series B Preferred Stock is convertible into shares of common stock on a 1.024566722:1 basis and has no expiration date. Immediately prior to the closing of the Issuer's initial public offering, all shares of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series I Preferred Stock will automatically convert into shares of common stock of the Issuer. ( 2 )SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Venture XIV Management, L.P., which is the general partner of each of Sequoia Capital U.S. Venture Fund XIV, L.P., Sequoia Capital U.S. Venture Partners Fund XIV, L.P., and Sequoia Capital U.S. Venture Partners Fund XIV (Q), L.P., or collectively, the XIV Funds, which together own 100% of the outstanding ordinary shares of Sequoia Capital USV XIV Holdco, Ltd., or XIV Holdco; (ii) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P., and Sequoia Capital U.S. Growth VI Principals Fund, L.P., or collectively, the GF VI Funds; (iii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VII, L.P., and Sequoia Capital U.S. Growth VII Principals Fund, L.P., or collectively, the GF VII Funds; ( 3 )(Continue from Footnote 2) (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund II, L.P., and Sequoia Capital Global Growth II Principals Fund, L.P., or collectively, the GGF II Funds; (v) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P., or GGF III; and (vi) the general partner of SCGGF III - U.S./India Management, L.P., or GGF III US IND MGMT. As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by XIV Holdco, the GF VI Funds, the GF VII Funds, the GGF II Funds, GGF III, and GGF III US IND MGMT. The directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF II Funds, GGF III, and GGF III US IND MGMT are Douglas M. Leone and Roelof Botha. ( 4 )(Continue from Footnote 3) As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the GGF II Funds, GGF III, and GGF III US IND MGMT. Each of the reporting persons disclaims beneficial ownership of the shares held by XIV Holdco, the GF VI Funds, the GF VII Funds, the GGF II Funds, GGF III, and GGF III US IND MGMT, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. ( 5 )Sequoia Grove Manager, LLC is the manager of Sequoia Grove II, LLC and the general partner of Sequoia Grove UK, L.P. As a result, Sequoia Grove Manager, LLC may be deemed to share beneficial ownership with respect to the shares held by Sequoia Grove II, LLC and Sequoia Grove UK, L.P. Each of Sequoia Grove Manager, LLC, Sequoia Grove II, LLC, and Sequoia Grove UK, L.P disclaims beneficial ownership of the shares held by Sequoia Grove II, LLC and Sequoia Grove UK, L.P., as applicable, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

Remarks: Form 2 of 3

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