Datadog, Inc.

Filing receipts

“Other Income, (Loss), Net Other income, (loss), net consists of interest income, primarily due to income earned on money market funds included in cash and cash equivalents and on marketable securities, partially offset by interest expense on the Notes and amortization of premiums on our marketable securities.”

“31 Cash Flows The following table shows a summary of our cash flows for the periods presented: Three Months Ended March 31, 2026 2025 (in thousands) Cash provided by operating activities $ 334,622 $ 271,541 Cash used in investing activities (314,798) (443,408) Cash provided by financing activities 9,711 1,653 Operating Activities Net cash provided by operating activities for the three months ended March 31, 2026 increased by $63.1 million compared to the three months ended March 31, 2025, primarily driven by an increase in non-cash charges of $44.8 million, an increase in deferred revenue of $33.5 million, and an increase in accounts payable of $32.2 million.”

“This increase was primarily due to an increase of $53.7 million in personnel costs including allocated overhead costs for our sales and marketing organization as a result of increased headcount and increased variable compensation for our sales personnel and an increase of $8.4 million in advertising, sales, marketing and promotional activities.”