| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Archbold Brian David | SVP Operations | 12100 W. 6TH AVENUE, LAKEWOOD | John Sakys under Power of Attorney by Brian Archbold | 18 Jun 2025 | 0001776947 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MLAB | Common Stock | Options Exercise | $0 | +535 | $0.000000 | 535 | 15 Jun 2025 | Direct | ||
| transaction | MLAB | Common Stock | Options Exercise | $0 | +495 | +93% | $0.000000 | 1,030 | 15 Jun 2025 | Direct | F4 |
| transaction | MLAB | Common Stock | Sale | $45,840 | -472 | -46% | $97.12 | 558 | 16 Jun 2025 | Direct |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MLAB | Restricted Stock Units - 6 | Options Exercise | $0 | -535 | -100% | $0.000000 | 0 | 15 Jun 2025 | Common Stock | 535 | Direct | F1, F2, F3 |
| Id | Content |
|---|---|
| F1 | Each RSU represents a contingent right to receive one share of the Issuer's common stock |
| F2 | RSUs that vested 1/3 on June 15, 2023 and each of the next two anniversary dates |
| F3 | Not Applicable |
| F4 | Shares represent common stock of Mesa Labs issued upon release of performance share units under the FY23 performance share program |