InsiderTrades

Crook Nathaniel Glenn

SEC CIK 2121274 · EDGAR

Buying vs selling by month open-market trades, last 24 months, AMPL
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
AMPLAmplitude, Inc.Chief Commercial Off 1.62M — $3.90M 42026-04-152026-09-04

Most active insiders at AMPL, 12 months

#InsiderTitleBoughtSold
1 Skates SpenserCEO, Pres, Dir, 10% —$7.19M
2 Crook Nathaniel GlennChief Commercial Off —$3.90M
3 Liu CurtisCTO, Dir, 10% —$1.01M
4 Schultz EricaDir —$312.3K
5 Casey AndrewCFO $299.7K—
6 Wong CatherineDir —$50.6K
7 Tzuo TienDir ——
8 HANSEN THOMAS NEERGAARDPres ——
9 Grady Patrick WDir, 10% ——
10 Gill Ronald SDir ——

Transactions 4

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
T 2026-09-09 17:03 2026-09-04 AMPL Amplitude, Inc. Crook Nathaniel Glenn Chief Commercial Off S - Sale $12.99 -300.0K 1.62M -16% -$3.90M
2026-08-18 17:16 2026-08-17 AMPL Amplitude, Inc. Crook Nathaniel Glenn Chief Commercial Off F - Tax $13.03 -109.4K 1.92M -5% -$1.43M
2026-05-19 16:28 2026-05-15 AMPL Amplitude, Inc. Crook Nathaniel Glenn Chief Commercial Off F - Tax $6.06 -101.3K 2.03M -5% -$613.8K
M 2026-04-17 17:54 2026-04-15 AMPL Amplitude, Inc. Crook Nathaniel Glenn Chief Commercial Off A - Grant $0.00 +1.25M 2.13M +143% $0

Purchase Sale Sale after option exercise All abbreviations