| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Owens Gary M | President and CEO | 12100 W. 6TH AVENUE, LAKEWOOD | John Sakys under Power of Attorney by Gary Owens | 2025-10-28 | 0001700671 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MLAB | Common Stock | Options Exercise | $0 | +11.6K | +21.98% | $0.00 | 64.1K | Oct 27, 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Shares represent common stock of Mesa Labs release of performance share units that were issued on October 28,2021 as a special grant to encourage continued performance and long-term retention. The PSUs vest 1/3 on October 27, 2024 and each of the next two anniversary dates. |