| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Sakys John | CFO | MESA LABORATORIES, INC., 12100 W. 6TH AVENUE, LAKEWOOD | John Sakys | 18 Jun 2025 | 0001197710 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MLAB | Common Stock | Options Exercise | $0 | +793 | +6.58% | $0.00 | 12.8K | 15 Jun 2025 | Direct | |
| transaction | MLAB | Common Stock | Award | $0 | +668 | +5.2% | $0.00 | 13.5K | 15 Jun 2015 | Direct | F4 |
| transaction | MLAB | Common Stock | Sale | -$62.3K | -642 | -4.75% | $97.12 | 12.9K | 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 - 5 | Options Exercise | $0 | -793 | -100% | $0.00 | 0 | 15 Jun 2025 | Common Stock | 793 | 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 the 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 issued under the FY23 performance share unit program. |