MongoDB, Inc.

Rule 10b5-1 and Non-Rule 10b5-1 Trading Arrangements

Certain executive officers and directors of the Company may execute purchases and sales of the Company's common stock through Rule 10b5-1 equity trading plans and “non-Rule 10b5-1 equity trading arrangements” (as defined in Item 408(c) of Regulation S-K).

During the three months ended July 31, 2025, two members of our board of directors and one of our executive officers adopted the following Rule 10b5-1 trading arrangements:

On June 18, 2025, Cedric Pech, our President of Field Operations, adopted a trading plan intended to satisfy the conditions under Rule 10b5-1(c) of the Exchange Act. Mr. Pech's plan is for the sale of up to 100% of the (net) shares of common stock resulting from the vesting of an aggregate of 48,196 RSUs and PSUs in amounts and prices determined in accordance with a formula set forth in the plan (net shares are net of tax withholding). The plan terminates on the earlier of (i) the date that all the shares under the plan are sold and (ii) June 18, 2026, subject to early termination for certain specified events set forth in the plan.

On June 20, 2025, Dwight Merriman, a member of our board of directors, adopted a trading plan intended to satisfy the conditions under Rule 10b5-1(c) of the Exchange Act. Mr. Merriman’s plan is for the sale of shares of our common stock held by Mr. Merriman and certain of his affiliated entities in amounts of up to (i) 232,000 shares, plus (ii) a sufficient amount of shares necessary to attain $1.1 million in proceeds plus (iii) all shares received upon the vesting, if any, of RSUs granted to Mr. Merriman as part of his 2026 annual equity award grant for his board and committee service, in each case at prices determined in accordance with a formula set forth in the plan. The plan terminates on the earlier of the date that all the shares under the plan are sold and August 31, 2026, subject to early termination for certain specified events set forth in the plan.

On June 24, 2025, Tom Killalea, a member of our board of directors, adopted a trading plan intended to satisfy the conditions under Rule 10b5-1(c) of the Exchange Act. Mr. Killalea’s plan is for the sale of up to 20,000 shares of common stock underlying stock options in amounts and prices determined in accordance with a formula set forth in the plan and terminates on the earlier of (i) the date that all the shares under the plan are sold and (ii) December 3, 2025, subject to early termination for certain specified events set forth in the plan.

During the three months ended July 31, 2025, other than noted above, none of our executive officers or directors terminated or modified a 10b5-1 equity trading plan, or adopted, terminated, or modified any “non-Rule 10b5-1 equity trading arrangement.