| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AMT | Common Stock | Tax liability | $1,827,290 | -7,781 | -4.7% | $234.84 | 158,798 | 11 Mar 2022 | Direct | F1 |
| transaction | AMT | Common Stock | Tax liability | $264,900 | -1,128 | -0.71% | $234.84 | 157,670 | 12 Mar 2022 | Direct | F2 |
| holding | AMT | Common Stock | 44,973 | 11 Mar 2022 | By trust | F3 |
| Id | Content |
|---|---|
| F1 | Shares delivered to the issuer for the payment of withholding taxes in connection with the vesting of restricted stock units ("RSUs") and performance-based restricted stock units previously granted under the 2007 Equity Incentive Plan, as amended (the "Plan"). |
| F2 | Shares delivered to the issuer for the payment of withholding taxes in connection with the vesting of RSUs previously granted under the Plan. |
| F3 | The reporting person disclaims beneficial ownership in shares held by trust. |