| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| HANSEN THOMAS NEERGAARD | President | C/O AMPLITUDE, INC., 201 THIRD ST., SUITE 200, SAN FRANCISCO | /s/ Elizabeth Fisher, as attorney in fact for Thomas Neergaard Hansen | 17 Feb 2026 | 0001728084 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AMPL | Class A Common Stock | Tax liability | $438,360 | -69,142 | -3.6% | $6.34 | 1,845,845 | 15 Feb 2026 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Represents 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 February 15, 2026, from the vesting of restricted stock units ("RSUs"), and does not represent a sale by the reporting person. |
| F2 | Includes 960,020 RSUs. |