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Obstler David M's Form 4 filing

Datadog, Inc. (DDOG) · filed Sep 16, 2026

Accession no.
0001561550-26-000316
Filed
Sep 16, 2026, 4:38 PM ET
Trade date
Sep 14, 2026
Filing delay
2 days
Rule 10b5-1 plan
Checked

This filing lists 13 non-derivative transactions. Open-market sales total $9.10M. It was filed 2 days after the trade.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Obstler David MCIK 0001120741Officer (Chief Financial Officer)

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Sep 14, 2026Class A Common StockSSaleDisposed−2,656$221.24F2−$587,605.74415,411Direct
Sep 14, 2026Class A Common StockSSaleDisposed−5,424$222.17F3−$1,205,025.13409,987Direct
Sep 14, 2026Class A Common StockSSaleDisposed−2,452$223.12F4−$547,081.66407,535Direct
Sep 14, 2026Class A Common StockSSaleDisposed−1,801$224.34F5−$404,042.82405,734Direct
Sep 14, 2026Class A Common StockSSaleDisposed−3,940$225.13F6−$887,022.84401,794Direct
Sep 14, 2026Class A Common StockSSaleDisposed−629$226.19F7−$142,274.45401,165Direct
Sep 14, 2026Class A Common StockSSaleDisposed−562$227.72F8−$127,976.39400,603Direct
Sep 14, 2026Class A Common StockSSaleDisposed−1,189$228.58F9−$271,784.71399,414Direct
Sep 14, 2026Class A Common StockSSaleDisposed−9,623$229.92F10−$2,212,525.93389,791Direct
Sep 14, 2026Class A Common StockSSaleDisposed−5,625$230.51F11−$1,296,605.25384,166Direct
Sep 14, 2026Class A Common StockSSaleDisposed−2,414$231.53F12−$558,915.83381,752Direct
Sep 14, 2026Class A Common StockSSaleDisposed−3,057$232.71F13−$711,385.6378,695Direct
Sep 14, 2026Class A Common StockSSaleDisposed−628$233.30F14−$146,512.4378,067Direct

Footnotes and remarks

Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.

F2

Price reported is a weighted-average sales price. The shares were sold at prices ranging from $220.67 to $221.57. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Referenced by the price of 1 transaction in Table I.

F3

Price reported is a weighted-average sales price. The shares were sold at prices ranging from $221.68 to $222.65. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Referenced by the price of 1 transaction in Table I.

F4

Price reported is a weighted-average sales price. The shares were sold at prices ranging from $222.70 to $223.60. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Referenced by the price of 1 transaction in Table I.

F5

Price reported is a weighted-average sales price. The shares were sold at prices ranging from $223.82 to $224.81. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Referenced by the price of 1 transaction in Table I.

F6

Price reported is a weighted-average sales price. The shares were sold at prices ranging from $224.82 to $225.78. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Referenced by the price of 1 transaction in Table I.

F7

Price reported is a weighted-average sales price. The shares were sold at prices ranging from $225.96 to $226.54. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Referenced by the price of 1 transaction in Table I.

F8

Price reported is a weighted-average sales price. The shares were sold at prices ranging from $227.095 to $228.07. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Referenced by the price of 1 transaction in Table I.

F9

Price reported is a weighted-average sales price. The shares were sold at prices ranging from $228.13 to $229.12. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Referenced by the price of 1 transaction in Table I.

F10

Price reported is a weighted-average sales price. The shares were sold at prices ranging from $229.13 to $230.12. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Referenced by the price of 1 transaction in Table I.

F11

Price reported is a weighted-average sales price. The shares were sold at prices ranging from $230.13 to $231.11. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Referenced by the price of 1 transaction in Table I.

F12

Price reported is a weighted-average sales price. The shares were sold at prices ranging from $231.13 to $232.12. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Referenced by the price of 1 transaction in Table I.

F13

Price reported is a weighted-average sales price. The shares were sold at prices ranging from $232.13 to $233.12. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Referenced by the price of 1 transaction in Table I.

F14

Price reported is a weighted-average sales price. The shares were sold at prices ranging from $233.13 to $233.49. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Referenced by the price of 1 transaction in Table I.

Remarks

Due to the 30 line limitation in Table I, this report is being filed across two forms. This is the first of two filings.

Read the full filing on SEC EDGAR (opens in a new tab)