Nathaniel Glenn Crook

AMPL

CHIEF COMMERCIAL OFFICER · AMPLITUDE, INC. · CIK 0002121274

FILING MIX · LIFETIME67%/33%

BUYS

SELLS

TOTAL VALUE

$613.8K

COMPANIES

ACTIVE SINCE

Apr 2026

HOLDINGS NOW

2,032,064

AVG SELL PX

$6.06

Trades · vs SPY

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Performance · forward returns vs SPY

No backtest data available for Nathaniel Glenn Crook. Backtests are computed for purchase (P) and sale (S) transactions with resolvable price history.

Holdings over time

AMPL · 2,032,064 shares · as of May 15, 2026

Trading cadence · quarterly flow

BUY ● SELL ●

2026

FLOW · 2 buys / 1 sellsCOVERAGE · 1 quarters

Form 4 filings · all activity

COMPANY	TYPE	SHARES	PRICE	VALUE	HELD AFTER	TRADE DATE	FILED
AMPL AMPLITUDE, INC.	SALE Chief Commercial Officer	101,292	$6.06	$613.8K	2,032,064	May 15, 2026	May 19, 2026 ↗
AMPL AMPLITUDE, INC.	PURCHASEGRANT Stock grant	278,551	—	—	1,156,096	Apr 15, 2026	Apr 17, 2026 ↗
AMPL AMPLITUDE, INC.	PURCHASEGRANT Stock grant	974,930	—	—	2,131,026	Apr 15, 2026	Apr 17, 2026 ↗

Other insiders · AMPL

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About this filer

CIK 0002121274

ROLE

Chief Commercial Officer

PRIMARY

AMPL

COMPANIES

ACTIVE SINCE

Apr 2026

MARKETPEEL · /INSIDER/0002121274DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE

Nathaniel Glenn Crook

The morning brief, before the bell.