Michael James Callahan
Michael James Callahan: Director at Datadog. What Michael James Callahan holds in an AI or semiconductor company 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)
Michael James Callahan holds 121,222 Datadog shares (0.03% of the company), worth about $33.7M at the last price, according to the Form 4 of Aug 4, 2026.
- Shares held: 100,538 (0.03%), $27.9M — Held through trusts (By Trust): 85,542 Class B, 14,996 Class A.
- Shares held: 20,684 (0.01%), $5.7M — Held in their own name: 20,684 Class A.
Declarations
- Datadog (DDOG) — Form 4 of Aug 4, 2026: conversion of 12,500; open-market sale of 12,500 at $287.47; 121,222 shares after 0001561550-26-000256
- Datadog (DDOG) — Form 4 of Jul 1, 2026: conversion of 12,500; open-market sale of 12,500 at $267.47; 133,722 shares after 0001561550-26-000236
- Datadog (DDOG) — Form 4 of Jun 29, 2026: conversion of 12,500; open-market sale of 12,500 at $247.47; 146,222 shares after 0001561550-26-000232
- Datadog (DDOG) — Form 4 of Jun 15, 2026: conversion of 112,500; open-market sale of 6,715 at $228.31; 158,722 shares after 0001561550-26-000205
- Datadog (DDOG) — Form 4 of May 15, 2026: gift of 2,500; 34,608 shares after 0001561550-26-000149
- Datadog (DDOG) — Form 4 of May 12, 2026: conversion of 5,000; conversion of 5,000; 272,650 shares after 0001561550-26-000146
- Datadog (DDOG) — Form 4 of Dec 12, 2025: conversion of 15,000; gift of 15,000; 272,650 shares after 0001561550-25-000358
- Datadog (DDOG) — Form 4 of Nov 6, 2025: conversion of 12,500; open-market sale of 12,500 at $187.47; 287,650 shares after 0001561550-25-000315
- Datadog (DDOG) — Form 4 of Oct 14, 2025: conversion of 8,333; open-market sale of 8,333 at $160.55; 300,150 shares after 0001561550-25-000302
- Datadog (DDOG) — Form 4 of Oct 6, 2025: conversion of 91,667; open-market sale of 91,667 at $157.60; 308,483 shares after 0001561550-25-000296
- Datadog (DDOG) — Form 4 of Jun 3, 2025: grant or award of 2,106; 32,108 shares after 0001561550-25-000172
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.