Matthew Jacobson
Matthew Jacobson: Director at Datadog and Director at GitLab. What Matthew Jacobson holds in 2 AI and semiconductor companies tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.
Datadog (DDOG)
Matthew Jacobson holds 524,708 Datadog shares (0.15% of the company), worth about $145.8M at the last price, according to the Form 4 of Aug 14, 2026.
- Shares held: 524,708 (0.15%), $145.8M — Held in their own name: 524,708 Class A.
GitLab (GTLB)
Matthew Jacobson holds 587,050 GitLab shares (0.35% of the company), worth about $30.2M at the last price, according to the Form 4 of Mar 20, 2026.
- Shares held: 587,050 (0.35%), $30.2M — Held in their own name: 587,050 Class A.
Declarations
- Datadog (DDOG) — Form 4 of Aug 14, 2026: open-market sale of 20,097 at $248.79; open-market sale of 16,651 at $252.20; 524,708 shares after 0001193125-26-354158
- Datadog (DDOG) — Form 4 of Jun 1, 2026: open-market sale of 20,574 at $243.02; open-market sale of 17,318 at $277.44; 584,132 shares after 0001193125-26-253541
- Datadog (DDOG) — Form 4 of May 8, 2026: open-market sale of 9,553 at $187.44; open-market sale of 11,050 at $188.64; 622,726 shares after 0001193125-26-219370
- GitLab (GTLB) — Form 4 of Mar 20, 2026: open-market sale of 495 at $22.95; open-market sale of 529 at $22.95; 587,050 shares after 0001193125-26-120109
- GitLab (GTLB) — Form 4 of Dec 19, 2025: open-market sale of 334,827 at $38.08; 1.7M shares after 0001193125-25-331006
- Datadog (DDOG) — Form 4 of Nov 11, 2025: open-market sale of 61,608 at $198.43; open-market sale of 90,760 at $198.43; 675,558 shares after 0001193125-25-280271
- GitLab (GTLB) — Form 4 of Sep 23, 2025: open-market sale of 13,387 at $50.16; open-market sale of 14,304 at $50.16; 2.1M shares after 0001193125-25-217946
- GitLab (GTLB) — Form 4 of Sep 19, 2025: open-market sale of 49,134 at $50.17; open-market sale of 52,501 at $50.17; 2.1M shares after 0001193125-25-213427
- GitLab (GTLB) — Form 4 of Sep 18, 2025: open-market sale of 78,638 at $50.50; open-market sale of 84,040 at $50.50; 2.4M shares after 0001193125-25-209379
- GitLab (GTLB) — Form 4 of Sep 8, 2025: open-market sale of 53,899 at $46.80; open-market sale of 89,306 at $46.80; 4.4M shares after 0001193125-25-200125
- Datadog (DDOG) — Form 4 of Aug 27, 2025: open-market sale of 178,066 at $126.61; open-market sale of 262,464 at $126.61; 1.1M shares after 0000950170-25-112055
- Datadog (DDOG) — Form 4 of Aug 25, 2025: open-market sale of 19,859 at $132.01; open-market sale of 29,264 at $132.01; 1.8M shares after 0000950170-25-111513
- GitLab (GTLB) — Form 4 of Jun 25, 2025: open-market sale of 48,704 at $42.32; open-market sale of 80,696 at $42.32; 4.5M shares after 0000950170-25-090863
- Datadog (DDOG) — Form 4 of May 8, 2025: open-market sale of 12,503 at $107.40; open-market sale of 9,787 at $107.40; 1.9M shares after 0000950170-25-068101
- GitLab (GTLB) — Form 4 of Mar 24, 2025: open-market sale of 13,268 at $52.30; open-market sale of 590 at $53.13; 4.7M shares after 0000950170-25-045515
Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.