Amplitude, Inc.

AMPL
Exchange
Nasdaq
Industry
Services-Prepackaged Software
SEC CIK
0001866692

Price chart

Open-market purchases and sales by AMPL insiders, newest first.

Insider trades
Filed (ET)Trade dateInsiderTransactionSharesAvg priceValueShares afterHolding changeFiling
Sep 14, 20264:59 PM ETSep 10, 2026Skates SpenserCEO and PresidentSSaleClass A Common Stock−185K$12.3006−$2.28M0−100.0%SEC10b5-1
Sep 9, 20265:03 PM ETSep 4, 2026Crook Nathaniel GlennChief Commercial OfficerSSaleClass A Common Stock−300K$12.9925−$3.9M1.62M−15.6%SEC10b5-1
Jun 16, 2026AmendedJun 1, 2026Liu CurtisChief Technology OfficerSSaleClass A Common Stock−22.79K$8.03−$182.97K1M−2.2%SEC10b5-1
Jun 15, 2026Jun 12, 2026Wong CatherineDirectorSSaleClass A Common Stock−7.45K$6.79−$50.61K111.46K−6.3%SEC10b5-1
May 6, 2026May 4, 2026Liu CurtisChief Technology OfficerSSaleClass A Common Stock−17.59K$8.12−$142.8K1.07M−1.6%SEC10b5-1

The largest institutional positions in AMPL at the end of Q2 2026.

Institutions holding AMPL in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Banque Cantonale Vaudoise13,000$99M0.01%+13,000New
WELLINGTON MANAGEMENT GROUP LLP11,086,006$84.81M0.01%−68,550−0.6%Reduced
BlackRock, Inc.10,044,780$76.84M0.00%−117,358−1.2%Reduced
VANGUARD PORTFOLIO MANAGEMENT LLC6,083,939$46.54M0.00%−81,152−1.3%Reduced
FMR LLC5,979,436$45.74M0.00%+2,668,152+80.6%Added