OBSTLER DAVID M — SEC Form 4 filings
SEC reporting owner CIK 1120741. 35 Form 4 filings on record with FilingPulse; latest filed 2026-09-16.
Transaction summary — filings shown
Covers all 35 filings on record, filed 2024-02-29 to 2026-09-16. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 86 legs across 25 filings — 748,174 shares, $112,014,487 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 76.
- Largest priced transaction: sale of 21,382 shares @ $231.31 ($4,945,956) in Datadog, Inc., filed 2026-06-10.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Datadog, Inc. (DDOG) | Chief Financial Officer | 32 | — | 86 legs · 748,174 sh · $112,014,487 | 73 |
| Braze, Inc. (BRZE) | Director | 3 | — | — | 3 |
Form 4 filings — OBSTLER DAVID M
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-16 | 4 | Datadog, Inc. (DDOG) | Sale (S): 2,656 @ $221.24 · Sale (S): 5,424 @ $222.17 · Sale (S): 2,452 @ $223.12 · Sale (S): 1,801 @ $224.34 · Sale (S): 3,940 @ $225.13 · Sale (S): 629 @ $226.19 · +7 more | EDGAR |
| 2026-09-16 | 4 | Datadog, Inc. (DDOG) | Conversion (C): 12,000 @ $0 · Sale (S): 798 @ $221.24 · Sale (S): 1,624 @ $222.17 · Sale (S): 738 @ $223.12 · Sale (S): 545 @ $224.34 · Sale (S): 1,182 @ $225.13 · +24 more | EDGAR |
| 2026-09-04 | 4 | Datadog, Inc. (DDOG) | Sale (S): 16,524 @ $212.90 | EDGAR |
| 2026-07-02 | 4 | Braze, Inc. (BRZE) | Grant/award (A): 7,753 @ $0 | EDGAR |
| 2026-06-16 | 4 | Datadog, Inc. (DDOG) | Conversion (C): 7,500 @ $0 · Gift (G): 7,500 @ $0 · Conversion (C): 7,500 (derivative) @ $0 | EDGAR |
| 2026-06-10 | 4 | Datadog, Inc. (DDOG) | Sale (S): 7,500 @ $229.29 · Sale (S): 17,966 @ $230.59 · Sale (S): 21,382 @ $231.31 · Sale (S): 12,398 @ $232.41 · Sale (S): 10,054 @ $233.31 · Sale (S): 2,783 @ $234.31 · +3 more | EDGAR |
| 2026-06-04 | 4 | Datadog, Inc. (DDOG) | Sale (S): 16,323 @ $267.15 | EDGAR |
| 2026-04-03 | 4 | Datadog, Inc. (DDOG) | Grant/award (A): 59,295 @ $0 | EDGAR |
| 2026-03-04 | 4 | Datadog, Inc. (DDOG) | Sale (S): 40,057 @ $110.54 | EDGAR |
| 2026-02-09 | 4 | Datadog, Inc. (DDOG) | Grant/award (A): 132,538 @ $0 | EDGAR |
| 2025-12-04 | 4 | Datadog, Inc. (DDOG) | Sale (S): 12,513 @ $158.60 | EDGAR |
| 2025-09-04 | 4 | Datadog, Inc. (DDOG) | Sale (S): 12,619 @ $133.85 | EDGAR |
| 2025-07-08 | 4 | Datadog, Inc. (DDOG) | Conversion (C): 15,000 @ $1.55 · Sale (S): 15,000 @ $147.43 · Option exercise (M): 15,000 (derivative) @ $0 · Option exercise (M): 15,000 (derivative) @ $0 · Conversion (C): 15,000 (derivative) @ $0 | EDGAR |
| 2025-07-02 | 4 | Datadog, Inc. (DDOG) | Conversion (C): 15,000 @ $1.55 · Sale (S): 15,000 @ $135.25 · Option exercise (M): 15,000 (derivative) @ $0 · Option exercise (M): 15,000 (derivative) @ $0 · Conversion (C): 15,000 (derivative) @ $0 | EDGAR |
| 2025-06-27 | 4 | Braze, Inc. (BRZE) | Grant/award (A): 5,033 @ $0 | EDGAR |
| 2025-06-23 | 4 | Datadog, Inc. (DDOG) | Conversion (C): 15,000 @ $1.55 · Sale (S): 15,000 @ $130.25 · Option exercise (M): 15,000 (derivative) @ $0 · Option exercise (M): 15,000 (derivative) @ $0 · Conversion (C): 15,000 (derivative) @ $0 | EDGAR |
| 2025-06-18 | 4 | Datadog, Inc. (DDOG) | Conversion (C): 20,000 @ $1.55 · Sale (S): 20,000 @ $125.25 · Option exercise (M): 20,000 (derivative) @ $0 · Option exercise (M): 20,000 (derivative) @ $0 · Conversion (C): 20,000 (derivative) @ $0 | EDGAR |
| 2025-06-06 | 4 | Datadog, Inc. (DDOG) | Conversion (C): 20,000 @ $1.55 · Sale (S): 20,000 @ $120.25 · Option exercise (M): 20,000 (derivative) @ $0 · Option exercise (M): 20,000 (derivative) @ $0 · Conversion (C): 20,000 (derivative) @ $0 | EDGAR |
| 2025-06-04 | 4 | Datadog, Inc. (DDOG) | Sale (S): 12,516 @ $116.84 · Conversion (C): 22,500 @ $1.55 · Sale (S): 16,900 @ $117.59 · Sale (S): 5,600 @ $118.11 · Option exercise (M): 22,500 (derivative) @ $0 · Option exercise (M): 22,500 (derivative) @ $0 · +1 more | EDGAR |
| 2025-04-03 | 4 | Datadog, Inc. (DDOG) | Grant/award (A): 66,269 @ $0 | EDGAR |
| 2025-03-05 | 4 | Datadog, Inc. (DDOG) | Sale (S): 27,755 @ $115.86 | EDGAR |
| 2025-02-27 | 4 | Datadog, Inc. (DDOG) | Grant/award (A): 69,859 @ $0 | EDGAR |
| 2024-12-04 | 4 | Datadog, Inc. (DDOG) | Sale (S): 10,745 @ $152.14 | EDGAR |
| 2024-11-22 | 4 | Datadog, Inc. (DDOG) | Conversion (C): 33,334 @ $1.55 · Sale (S): 23,822 @ $135.76 · Sale (S): 9,512 @ $136.43 · Option exercise (M): 33,334 (derivative) @ $0 · Option exercise (M): 33,334 (derivative) @ $0 · Conversion (C): 33,334 (derivative) @ $0 | EDGAR |
| 2024-10-16 | 4 | Datadog, Inc. (DDOG) | Conversion (C): 33,333 @ $1.55 · Sale (S): 33,333 @ $130.39 · Option exercise (M): 33,333 (derivative) @ $0 · Option exercise (M): 33,333 (derivative) @ $0 · Conversion (C): 33,333 (derivative) @ $0 | EDGAR |
| 2024-10-10 | 4 | Datadog, Inc. (DDOG) | Conversion (C): 33,333 @ $1.55 · Sale (S): 33,333 @ $125.70 · Option exercise (M): 33,333 (derivative) @ $0 · Option exercise (M): 33,333 (derivative) @ $0 · Conversion (C): 33,333 (derivative) @ $0 | EDGAR |
| 2024-09-05 | 4 | Datadog, Inc. (DDOG) | Sale (S): 10,745 @ $113.52 · Sale (S): 125 @ $111.80 | EDGAR |
| 2024-06-28 | 4 | Braze, Inc. (BRZE) | Grant/award (A): 4,213 @ $0 | EDGAR |
| 2024-06-05 | 4 | Datadog, Inc. (DDOG) | Sale (S): 10,745 @ $109.45 | EDGAR |
| 2024-05-31 | 4 | Datadog, Inc. (DDOG) | Grant/award (A): 60,582 @ $0 | EDGAR |
| 2024-04-15 | 4 | Datadog, Inc. (DDOG) | Conversion (C): 15,000 @ $1.55 · Sale (S): 15,000 @ $130.28 · Conversion (C): 15,000 @ $0 · Sale (S): 15,000 @ $130.28 · Option exercise (M): 15,000 (derivative) @ $0 · Option exercise (M): 15,000 (derivative) @ $0 · +2 more | EDGAR |
| 2024-03-25 | 4 | Datadog, Inc. (DDOG) | Conversion (C): 3,732 @ $1.55 · Sale (S): 3,732 @ $125.36 · Conversion (C): 3,833 @ $0 · Sale (S): 3,833 @ $125.36 · Option exercise (M): 3,732 (derivative) @ $0 · Option exercise (M): 3,732 (derivative) @ $0 · +2 more | EDGAR |
| 2024-03-13 | 4 | Datadog, Inc. (DDOG) | Conversion (C): 70,000 @ $1.55 · Sale (S): 7,468 @ $119.12 · Sale (S): 31,834 @ $120.34 · Sale (S): 17,896 @ $121.28 · Sale (S): 12,802 @ $121.87 · Conversion (C): 70,000 @ $0 · +16 more | EDGAR |
| 2024-03-06 | 4 | Datadog, Inc. (DDOG) | Sale (S): 31,003 @ $128.58 · Sale (S): 4 @ $130.52 | EDGAR |
| 2024-02-29 | 4 | Datadog, Inc. (DDOG) | Grant/award (A): 60,189 @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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