Nathaniel Glenn Crook, Chief Commercial Officer at Amplitude, sold AMPL on Sep 4, 2026
Data as of Oct 16
▼ SELL$3.9M300,000 shares at $12.99Nathaniel Glenn Crook Chief Commercial OfficerAMPL Amplitude, Inc.
- Traded
- Sep 4, 2026
- Disclosed
- Sep 9, 2026
- Filed
- 5 days after the trade · late
Form 4s are due within two business days.
Official filing (SEC Form 4) ↗
The price around the disclosure
AMPL since disclosure
+19.0%
after the sale
Similar stocks (XLK) since disclosure
−2.3%
XLK — its sector index fund
Change in closing price from Sep 9, 2026 (the first trading day on or after disclosure) to Oct 16, 2026. Dividends excluded. Not a return anyone earned.
Our take
None of our tested rules fired on this trade.