Form4insider filings, from the source

Insider holders · CIK 0001866692

Amplitude, Inc. · AMPL

Every insider with a reported Table I holding at this company, ranked by their last-reported share count. A balance is only as fresh as its filing — the report date sits next to every row on purpose. ← Back to activity

InsiderDirect sharesIndirect sharesTotal reportedLast report (ET)From
Nathaniel Glenn CrookChief Commercial Officer1,622,696—1,622,696Sep 9, 2026 · 5:03 pm EDTForm 4
Andrew CaseyChief Financial Officer1,363,338—1,363,338Aug 18, 2026 · 5:14 pm EDTForm 4
Spenser SkatesCEO and President1,231,18801,231,188Sep 14, 2026 · 4:59 pm EDTForm 4
Curtis LiuChief Technology Officer950,316—950,316Aug 18, 2026 · 5:19 pm EDTForm 4
Patrick W GradyDirector85,806235,201321,007Jun 11, 2026 · 4:21 pm EDTForm 4
James M WhitehurstDirector187,201—187,201Jun 11, 2026 · 4:42 pm EDTForm 4
Erica SchultzDirector143,100—143,100Jul 7, 2026 · 6:18 pm EDTForm 4
Catherine WongDirector111,462—111,462Jun 15, 2026 · 4:26 pm EDTForm 4
Tien TzuoDirector101,601—101,601Jul 7, 2026 · 6:19 pm EDTForm 4
Ronald S GillDirector99,535—99,535Jun 11, 2026 · 4:42 pm EDTForm 4

Balances come from each insider’s most recent filing that reports a Table I holding; an insider who left the company years ago still appears with their last-known figure and its date. Indirect totals collapse multiple vehicles (trusts, LLCs) into one number — open the filing for the breakdown. Shares as filed, not split-adjusted.