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© 2026 DataHeimdall. All rights reserved.Data sourced from SEC EDGAR public filings.
Insider Trades

AMPL

Amplitude, Inc.

Superinvestors

Institutional investors holding AMPL

Consensus →
InvestorFundWeightSharesValueQuarter
Stephen MandelLone Pine Capital0.41%1,877,000$99.4M2021Q4
Meridian / ArrowMarkMeridian Contrarian Fund0.23%1,256,023$8.6M2026Q1

Congressional Activity

Congressional data coming soon

Insider Activity

17

Total trades

$2.3M

Volume

7

Buys

8

Sells

Last trade: Jun 1, 2026

Insider Tradeslast 90 days

DateInsiderTypeValue
Jun 1, 2026Curtis LiuSell$178K
May 15, 2026Curtis LiuSell$240K

Congressional Tradeslast 90 days

Congressional trade data is being sourced and will appear here shortly.

May 15, 2026
Curtis Liu
Sell
$244K
May 15, 2026Curtis LiuSell$393K
May 15, 2026Curtis LiuSell$614K
May 4, 2026Curtis LiuSell$143K