Maplebear Inc.

During the quarter ended December 31, 2025, our directors and officers (as defined in Rule 16a-1(f) under the Exchange Act)adopted orterminated the Rule 10b5-1 trading arrangements (as defined in Item 408(a) of Regulation S-K) described below:

On November 20, 2025, Chris Rogers, our Chief Executive Officer, President, and Chair of our board of directors, adopted a trading arrangement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Mr. Rogers’s trading arrangement provides for the sale through November 30, 2026 of (i) up to 190,015 shares of our common stock subject to RSUs previously awarded to Mr. Rogers that may vest and be released to him on or prior to November 30, 2026 and (ii) additional shares of our common stock subject to RSUs granted to Mr. Rogers subsequent to the adoption of the trading arrangement that may vest and be released to him on or prior to November 30, 2026. The actual number of shares of our common stock that will be released to Mr. Rogers upon the vesting of RSUs will be reduced by the number of shares withheld by us to satisfy tax withholding obligations arising from the vesting of such RSUs and is not yet determinable. The actual number of shares that may be sold pursuant to this trading arrangement is not yet determinable.

On November 20, 2025, Lisa Blackwood-Kapral, our Chief Accounting Officer, adopted a trading arrangement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Ms. Blackwood-Kapral’s trading arrangement provides for the sale through January 31, 2027 of (i) up to 66,709 shares of our common stock subject to RSUs previously awarded to Ms. Blackwood-Kapral that may vest and be released to her on or prior to January 31, 2027 and (ii) additional shares of our common stock subject to RSUs granted to Ms. Blackwood-Kapral subsequent to the adoption of the trading arrangement that may vest and be released to her on or prior to January 31, 2027. The actual number of shares of our common stock that will be released to Ms. Blackwood-Kapral upon the vesting of RSUs will be reduced by the number of shares withheld by us to satisfy tax withholding obligations arising from the vesting of such RSUs and is not yet determinable. The actual number of shares that may be sold pursuant to this trading arrangement is not yet determinable.

On December 10, 2025, Morgan Fong, our General Counsel, adopted a trading arrangement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Mr. Fong’s trading arrangement provides for the sale through December 31, 2026 of (i) up to 53,565 shares of our common stock and (ii) up to 220,680 shares of our common stock subject to stock options previously awarded to Mr. Fong and exercisable on or prior to December 31, 2026. The actual number of shares that may be sold pursuant to this trading arrangement is not yet determinable.