StockCIK 1866692
Amplitude, Inc. (AMPL): Insider Trades and Fund Holdings
In the past 12 months, Amplitude, Inc. insiders reported 0 open-market purchases worth $0 and 6 sales worth $9.14M; 6 of the sales were reported as made under a 10b5-1 trading plan.
0Insider buys, 12 months
$0Bought by insiders, 12 months
$9.14MSold by insiders, 12 months
0Tracked funds holding
Recent insider trades
Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Oct 27, 2026.
| Filed | Insider | Type | Value |
|---|---|---|---|
| Oct 27 | Spenser SkatesCEO | ▼ SELL10b5-1 | $1.88M |
| Oct 6 | Spenser SkatesCEO | ▼ SELL10b5-1 | $1.02M |
| Oct 2 | Spenser SkatesCEO | ▼ SELL10b5-1 | $51K |
| Oct 2 | Spenser SkatesCEO | ▼ SELL10b5-1 | $20K |
| Sep 14 | Spenser SkatesCEO | ▼ SELL10b5-1 | $2.28M |
| Sep 9 | Nathaniel Glenn CrookChief Commercial Officer | ▼ SELL10b5-1 | $3.90M |
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings
Insiders who traded in the past year
| Insider | Role | Buys | Bought | Sells | Sold |
|---|---|---|---|---|---|
| Spenser Skates | CEO | 0 | $0 | 5 | $5.24M |
| Nathaniel Glenn Crook | Chief Commercial Officer | 0 | $0 | 1 | $3.90M |
Tracked funds that report AMPL
From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.
| Fund | Shares | Value | Change |
|---|---|---|---|
| Renaissance Technologies | 0 | $0 | ▼ Sold out |
Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings
Reading these numbers
Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →