Monitor for actual execution of this sale via subsequent Form 4 filings. A CFO sale of this size is not unusual post-vesting and does not signal fundamental concern. Continue to watch for cluster selling by multiple C-suite executives or selling ahead of the next earnings report.
Price Chart
Executive Summary
Datadog CFO David Obstler filed an SEC Form 144 notice of intent to sell 75,000 Class A common shares, with an estimated aggregate market value of approximately $17.6 million based on current stock price. The shares were acquired through vesting of restricted stock units (RSUs) and performance stock units (PSUs) granted between 2021 and 2025, and the sale appears to be a routine insider transaction for tax planning or diversification purposes following equity vesting.
Key Facts
- Form 144 filed by David Obstler, CFO of Datadog, on 2026-06-08
- Proposed sale of 75,000 shares of Class A Common stock
- Estimated aggregate market value of approximately $17.6 million
- Shares acquired through RSU vesting (09/01/2021 - 03/01/2025) and PSU vesting (03/01/2024 - 03/01/2025)
- Sale is an advance notice of intent — the actual sale may not occur
- No other insider selling or unusual activity noted in the filing
Financial Impact
Proposed sale of 75,000 shares worth ~$17.6M, representing a small fraction of Obstler's beneficial ownership and less than 0.02% of Datadog's $83.3B market cap
Risk Factors
- If Obstler accelerates selling beyond this notice, it could signal personal cash needs or reduced conviction
- No current earnings or material event nearby — timing risk is low
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001950047-26-005786 |
| Document: 0001950047-26-005786-index.html | 0001950047-26-005786 |
| Document: 0001950047-26-005786.txt | 0001950047-26-005786 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 15, 2026 17d ago | Insider Cluster | $230.27 $230.79 | ▲ +0.23% | ▲ +0.67% | $279.52 (+21.39%) |
Sep 10, 2026 22d ago | Insider Cluster | $221.72 $221.21 | ▲ +0.23% | ▲ +1.08% | $279.52 (−26.07%) |
Sep 9, 2026 23d ago | Insider Cluster | $225.27 $221.72 | ▲ +1.58% | ▲ +0.98% | $279.52 (−24.08%) |
Sep 4, 2026 28d ago | Insider Cluster | $212.93 $210.23 | ▲ +1.27% | ▲ +0.72% | $279.52 (−31.27%) |
Sep 3, 2026 29d ago | Insider Cluster | $214.76 $212.93 | ▼ −0.85% | ▼ −0.47% | $279.52 (+30.15%) |
Aug 26, 2026 5w ago | Insider Cluster | $222.87 awaiting T+1 | awaiting T+1 | — | $279.52 (+25.42%) |
Aug 21, 2026 6w ago | Insider Cluster | $235.62 $225.77 | ▼ −4.18% | ▼ −3.89% | $279.52 (+18.63%) |
Aug 17, 2026 6w ago | Insider Cluster | $247.32 $246.00 | ▼ −0.53% | ▲ +0.14% | $279.52 (+13.02%) |
Aug 12, 2026 7w ago | Insider Cluster | $240.91 $252.24 | ▲ +4.70% | ▲ +4.01% | $279.52 (+16.02%) |
Aug 10, 2026 7w ago | Insider Cluster | $246.78 $240.91 | ▼ −2.38% | ▼ −2.63% | $279.52 (+13.26%) |
US Market Status
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