Obstler David M's Form 4 filing
Datadog, Inc. (DDOG) · filed Sep 16, 2026
- Accession no.
- 0001561550-26-000315
- 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 28 non-derivative transactions and 2 derivative transactions. Open-market sales total $5.46M. 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.
| Owner | Relationship to the company |
|---|---|
| Obstler David MCIK 0001120741 | Officer (Chief Financial Officer) |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 14, 2026 | Class A Common Stock | CConversionAcquired | +12,000 | $0.00 | $0 | 12,000 | Indirect | |
| Sep 14, 2026 | Class A Common Stock | SSaleDisposed | −798 | $221.24F4 | −$176,546.73 | 11,202 | Indirect | |
| Sep 14, 2026 | Class A Common Stock | SSaleDisposed | −1,624 | $222.17F5 | −$360,797.75 | 9,578 | Indirect | |
| Sep 14, 2026 | Class A Common Stock | SSaleDisposed | −738 | $223.12F6 | −$164,659.98 | 8,840 | Indirect | |
| Sep 14, 2026 | Class A Common Stock | SSaleDisposed | −545 | $224.34F7 | −$122,267.1 | 8,295 | Indirect | |
| Sep 14, 2026 | Class A Common Stock | SSaleDisposed | −1,182 | $225.13F8 | −$266,107.44 | 7,113 | Indirect | |
| Sep 14, 2026 | Class A Common Stock | SSaleDisposed | −190 | $226.19F9 | −$42,976.39 | 6,923 | Indirect | |
| Sep 14, 2026 | Class A Common Stock | SSaleDisposed | −169 | $227.72F10 | −$38,483.99 | 6,754 | Indirect | |
| Sep 14, 2026 | Class A Common Stock | SSaleDisposed | −360 | $228.59F11 | −$82,290.92 | 6,394 | Indirect | |
| Sep 14, 2026 | Class A Common Stock | SSaleDisposed | −2,873 | $229.92F12 | −$660,562.75 | 3,521 | Indirect | |
| Sep 14, 2026 | Class A Common Stock | SSaleDisposed | −1,689 | $230.51F13 | −$389,330.38 | 1,832 | Indirect | |
| Sep 14, 2026 | Class A Common Stock | SSaleDisposed | −724 | $231.53F14 | −$167,628.95 | 1,108 | Indirect | |
| Sep 14, 2026 | Class A Common Stock | SSaleDisposed | −918 | $232.71F15 | −$213,625.85 | 190 | Indirect | |
| Sep 14, 2026 | Class A Common Stock | SSaleDisposed | −190 | $233.30F16 | −$44,326.94 | 0 | Indirect | |
| Sep 14, 2026 | Class A Common Stock | CConversionAcquired | +12,000 | $0.00 | $0 | 12,000 | Indirect | |
| Sep 14, 2026 | Class A Common Stock | SSaleDisposed | −786 | $221.24F4 | −$173,893.78 | 11,214 | Indirect | |
| Sep 14, 2026 | Class A Common Stock | SSaleDisposed | −1,635 | $222.16F5 | −$363,235.36 | 9,579 | Indirect | |
| Sep 14, 2026 | Class A Common Stock | SSaleDisposed | −725 | $223.12F6 | −$161,758.88 | 8,854 | Indirect | |
| Sep 14, 2026 | Class A Common Stock | SSaleDisposed | −525 | $224.34F7 | −$117,781.02 | 8,329 | Indirect | |
| Sep 14, 2026 | Class A Common Stock | SSaleDisposed | −1,169 | $225.13F8 | −$263,178.49 | 7,160 | Indirect | |
| Sep 14, 2026 | Class A Common Stock | SSaleDisposed | −181 | $226.19F9 | −$40,940.66 | 6,979 | Indirect | |
| Sep 14, 2026 | Class A Common Stock | SSaleDisposed | −163 | $227.72F10 | −$37,118.08 | 6,816 | Indirect | |
| Sep 14, 2026 | Class A Common Stock | SSaleDisposed | −358 | $228.60F11 | −$81,837.8 | 6,458 | Indirect | |
| Sep 14, 2026 | Class A Common Stock | SSaleDisposed | −2,935 | $229.92F12 | −$674,805.81 | 3,523 | Indirect | |
| Sep 14, 2026 | Class A Common Stock | SSaleDisposed | −1,729 | $230.51F18 | −$398,545.39 | 1,794 | Indirect | |
| Sep 14, 2026 | Class A Common Stock | SSaleDisposed | −713 | $231.53F14 | −$165,081.89 | 1,081 | Indirect | |
| Sep 14, 2026 | Class A Common Stock | SSaleDisposed | −899 | $232.71F15 | −$209,203.68 | 182 | Indirect | |
| Sep 14, 2026 | Class A Common Stock | SSaleDisposed | −182 | $233.30F16 | −$42,460.53 | 0 | Indirect |
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
| Trade date | Security | Transaction | Underlying shares | Unit price | Value | Held after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 14, 2026 | Class A Common Stock | CConversionDisposed | −12,000 | $0.00 | $0 | 34,199 | Indirect | |
| Sep 14, 2026 | Class A Common Stock | CConversionDisposed | −12,000 | $0.00 | $0 | 34,198 | Indirect |
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.
- F4
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 2 transactions in Table I.
- F5
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 2 transactions in Table I.
- F6
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 2 transactions in Table I.
- F7
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 2 transactions in Table I.
- F8
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 2 transactions in Table I.
- F9
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 2 transactions in Table I.
- F10
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 2 transactions in Table I.
- F11
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 2 transactions in Table I.
- F12
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 2 transactions in Table I.
- F13
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.
- F14
Price reported is a weighted-average sales price. The shares were sold at prices ranging from $231.13 to $232.10. 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 2 transactions in Table I.
- F15
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 2 transactions in Table I.
- F16
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 2 transactions in Table I.
- F18
Price reported is a weighted-average sales price. The shares were sold at prices ranging from $230.13 to $231.10. 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 second of two filings.