| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AMT | Common Stock | Award | $0 | +10,310 | +6.5% | $0.000000 | 168,631 | 10 Mar 2022 | Direct | F1 |
| transaction | AMT | Common Stock | Tax liability | $477,706 | -2,052 | -1.2% | $232.80 | 166,579 | 10 Mar 2022 | Direct | F2 |
| holding | AMT | Common Stock | 44,973 | 10 Mar 2022 | By trust | F3 |
| Id | Content |
|---|---|
| F1 | These restricted stock units ("RSUs") were granted pursuant to the 2007 Equity Incentive Plan, as amended (the "Plan"), and vest in 25% cumulative annual increments beginning March 10, 2023. Each RSU represents a contingent right to receive one share of Common Stock. |
| 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. |