| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Pelayo Fernando | EVP & Chief Accounting Officer | 1111 CIVIC DR STE 390, SUITE 390, WALNUT CREEK | /s/ Glenn Shrader, Attorney in fact for Fernando Pelayo | 18 Feb 2026 | 0002102020 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MCHB | Class A Common Stock | Options Exercise | +2,506 | +22% | 14,094 | 15 Feb 2026 | Direct | F1 | ||
| transaction | MCHB | Class A Common Stock | Tax liability | $15,862 | -1,032 | -7.3% | $15.37 | 13,062 | 15 Feb 2026 | Direct |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MCHB | Incentive Units - Not Deferred (2024) | Options Exercise | $0 | -2,506 | -33% | $0.000000 | 5,012 | 15 Feb 2026 | Class A Common Stock | 2,506 | Direct | F2, F3 |
| Id | Content |
|---|---|
| F1 | Each incentive unit represents a contingent right to receive one share of Issuer Class A common stock. Incentive units do not require the holder to pay any consideration upon vesting. |
| F2 | Each incentive unit is the economic equivalent of one share of Issuer Class A Common Stock. |
| F3 | The incentive units vest in two equal annual installments beginning February 15, 2027. |