| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Schopfer Brian | Chief Financial Officer | 1218 MENLO DRIVE, ATLANTA | /s/ Emmanuelle Lee, attorney-in-fact for Brian Schopfer | 03 Mar 2026 | 0001885701 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MIR | Class A Common Stock | Tax liability | $198,207 | -9,172 | -1% | $21.61 | 884,260 | 01 Mar 2026 | Direct | F1 |
| transaction | MIR | Class A Common Stock | Award | $0 | +64,906 | +7.3% | $0.000000 | 949,166 | 02 Mar 2026 | Direct | F2 |
| transaction | MIR | Class A Common Stock | Tax liability | $615,863 | -28,499 | -3% | $21.61 | 920,667 | 02 Mar 2026 | Direct | F3 |
| holding | MIR | Class B Common Stock | 399,935 | 01 Mar 2026 | Direct |
| Id | Content |
|---|---|
| F1 | Represents shares that have been withheld by the Issuer in satisfaction of tax withholding obligations in connection with the vesting of restricted stock units (RSUs) previously granted to the Reporting Person. Such withholding was mandated by the Issuer by a policy adopted in advance and does not represent a discretionary trade by the Reporting Person. |
| F2 | Represents the settlement of certain performance-based restricted stock units ("PSU") previously granted on December 31, 2023, based on the achievement of specified performance goals as determined by the Issuer's compensation committee of its board of directors. |
| F3 | Represents shares that have been withheld by the Issuer in satisfaction of tax withholding obligations in connection with the vesting of the PSUs previously granted to the Reporting Person. Such withholding was mandated by the Issuer by a policy adopted in advance and does not represent a discretionary trade by the Reporting Person. |