| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Sakys John | CFO | MESA LABORATORIES, INC., 12100 W. 6TH AVENUE, LAKEWOOD | John Sakys | 20 Jun 2025 | 0001197710 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MLAB | Common Stock | Options Exercise | $264,092 | +2,840 | +22% | $92.99 | 15,705 | 18 Jun 2025 | Direct | |
| transaction | MLAB | Common Stock | Tax liability | $115,587 | -1,243 | -7.9% | $92.99 | 14,462 | 18 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 - 7 | Options Exercise | $0 | -2,840 | -34% | $0.000000 | 5,511 | 18 Jun 2025 | Common Stock | 2,840 | 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 vest 1/3 on June 18, 2025 and each of the next two anniversary dates |
| F3 | Not Applicable |