| Name | Relationship | Address | Signature | Signature date | CIK | 
|---|---|---|---|---|---|
| Nagle Brian | Chief Financial Officer | 1200 5TH AVE, SUITE 1300, SEATTLE | /s/ Brian Nagle | 2025-10-17 | 0002059841 | 
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MCHX | Restricted Stock Units | Award | $0 | +125K | $0.00 | 125K | Oct 16, 2025 | Class B Common Stock | 125K | Direct | F1 | ||
| transaction | MCHX | Employee Stock Option (right to buy) | Award | $0 | +125K | $0.00 | 125K | Oct 16, 2025 | Class B Common Stock | 125K | $1.81 | Direct | F2 | 
| Id | Content | 
|---|---|
| F1 | Restricted stock units award effective October 16, 2025 (the "Grant Date"). Each restricted stock unit represents the right to receive one share of the Corporation's Class B Common Stock upon vesting, which occurs in full on the fourth anniversary of the Grant Date. | 
| F2 | Stock options award effective October 16, 2025 (the "Grant Date"), with vesting over four years, 25% of the total option shares vesting on the first anniversary of the Grant Date and the remainder vesting quarterly thereafter over the next three (3) year period in equal increments of 6.25% of the aggregate amount of such shares, subject to acceleration of vesting in certain events. |