SEC Form 4 · accession 0001866692-26-000013
Amplitude, Inc. · AMPL
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Curtis Liu
Officer — Chief Technology Officer · Director · 10% Owner
Period of report
Aug 17, 2026
Accepted (ET)
Aug 18, 2026 · 5:19 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001866692
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Class A Common StockF2 | Aug 17, 2026 | F | 53,878 | $13.03 | D | 950,316 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Represents shares of the Issuer's Class A Common Stock withheld by the Issuer solely to satisfy tax withholding obligations in connection with the net issuance of shares of the Issuer's Class A Common Stock delivered to the reporting person on August 15, 2026, from the vesting of restricted stock units ("RSUs"), and does not represent a sale by the Reporting Person.
- F2Includes 774,628 RSUs.