Maplebear Inc.

Item 5. Other Information

During the third quarter of 2026, 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 September 1, 2026, Chris Rogers, our Chief Executive Officer, President, and Chairperson 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 September 1, 2027 of (i) up to 152,428 shares of our common stock subject to RSUs previously awarded to Mr. Rogers that have vested or may vest and be released to him on or prior to September 1, 2027 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 September 1, 2027. 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 September 4, 2026, Morgan Fong, our Chief Legal and Global Affairs Officer, 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 November 17, 2027 of up to 78,780 shares of our common stock subject to RSUs previously awarded to Mr. Fong that may vest and be released to him on or prior to November 17, 2027. The actual number of shares of our common stock that will be released to Mr. Fong 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.