Brian David Archbold, SVP Operations at MESA Laboratories Inc. ($MLAB), made one open market sale of common shares in the last year, totaling about $46,000. His most recent sale occurred on June 16, 2025. This ranks him 10,483rd out of 11,678 insiders by sale value, well below the average of $8.6 million across roughly 6.4 transactions. He recorded no open market purchases.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| June 21, 2025 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | M | Common Stock | 844 | $95.82 | 2,792.0000 | 5,421,000 | 43.33% | 0.02% |
| June 21, 2025 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | F | Common Stock | 385 | $95.82 | 2,407.0000 | 5,421,000 | 13.79% | 0.01% |
| June 21, 2025 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | M | Restricted Stock Units - 7 | 844 | $0.00 | 844.0000 | 5,421,000 | 50.00% | 0.02% |
| June 18, 2025 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | M | Common Stock | 2556 | $92.99 | 3,114.0000 | 5,421,000 | 458.06% | 0.05% |
| June 18, 2025 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | F | Common Stock | 1166 | $92.99 | 1,948.0000 | 5,421,000 | 37.44% | 0.02% |
| June 18, 2025 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | M | Restricted Stock Units - 8 | 2556 | $0.00 | 4,960.0000 | 5,421,000 | 34.01% | 0.05% |
| June 15, 2025 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | A | Restricted Stock Units - 9 | 7346 | $0.00 | 7,346.0000 | 5,421,000 | 9999.99% | 0.14% |
| June 15, 2025 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | M | Common Stock | 535 | $0.00 | 535.0000 | 5,421,000 | 9999.99% | 0.01% |
| June 15, 2025 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | M | Common Stock | 495 | $0.00 | 1,030.0000 | 5,421,000 | 92.52% | 0.01% |
| June 16, 2025 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | S | Common Stock | 472 | $97.12 | 558.0000 | 5,421,000 | 45.83% | 0.01% |
| June 15, 2025 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | M | Restricted Stock Units - 6 | 535 | $0.00 | 0.0000 | 5,421,000 | 100.00% | 0.01% |
| June 10, 2025 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | E | Non Qualified Stock Option | 2129 | $0.00 | 12,567.0000 | 5,421,000 | 14.49% | 0.04% |
| Sept. 13, 2024 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | S | Common Stock | 1499 | $125.00 | 0.0000 | 5,386,000 | 100.00% | 0.03% |
| Sept. 1, 2024 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | M | Common Stock | 845 | $0.00 | 1,885.0000 | 5,386,000 | 81.25% | 0.02% |
| Sept. 1, 2024 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | F | Common Stock | 386 | $133.69 | 1,499.0000 | 5,386,000 | 20.48% | 0.01% |
| Sept. 1, 2024 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | M | Restricted Stock Units - 7 | 845 | $0.00 | 1,688.0000 | 5,386,000 | 33.36% | 0.02% |
| June 18, 2024 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP operations | A | Restricted Stock Units - 8 | 7516 | $0.00 | 7,516.0000 | 5,386,000 | 9999.99% | 0.14% |
| June 14, 2024 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | M | Common Stock | 889 | $0.00 | 1,447.0000 | 5,386,000 | 159.32% | 0.02% |
| June 14, 2024 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | F | Common Stock | 407 | $91.60 | 1,040.0000 | 5,386,000 | 28.13% | 0.01% |
| June 14, 2024 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | M | Restricted Stock Units 4 | 354 | $0.00 | 0.0000 | 5,386,000 | 100.00% | 0.01% |
| June 14, 2024 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | M | Restricted Stock Units 6 | 535 | $0.00 | 535.0000 | 5,386,000 | 50.00% | 0.01% |
| April 2, 2024 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | E | Non Qualified Stock Option | 420 | $0.00 | 14,696.0000 | 5,386,000 | 2.78% | 0.01% |
| Jan. 8, 2024 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | E | Non Qualified Stock Option | 290 | $0.00 | 15,116.0000 | 5,361,000 | 1.88% | 0.01% |
| Dec. 15, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | S | Common Stock | 1500 | $112.36 | 558.0000 | 5,361,000 | 72.89% | 0.03% |
| Sept. 1, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | A | Restricted Stock Units - 7 | 2533 | $0.00 | 2,533.0000 | 5,361,000 | 9999.99% | 0.05% |
| June 21, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | A | Non Qualified Stock Options | 4579 | $0.00 | 15,406.0000 | 5,361,000 | 42.29% | 0.09% |
| June 16, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | M | Common Stock | 612 | $0.00 | 2,247.0000 | 5,361,000 | 37.43% | 0.01% |
| June 16, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | F | Common Stock | 189 | $135.55 | 2,058.0000 | 5,361,000 | 8.41% | 0.00% |
| June 16, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | M | Restricted Stock Units - 1 | 35 | $0.00 | 0.0000 | 5,361,000 | 100.00% | 0.00% |
| June 16, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | M | Restricted Stock Units - 2 | 133 | $0.00 | 0.0000 | 5,361,000 | 100.00% | 0.00% |
| June 16, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | M | Restricted Stock Units - 4 | 177 | $0.00 | 354.0000 | 5,361,000 | 33.33% | 0.00% |
| June 16, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | M | Restricted Stock Units - 6 | 267 | $0.00 | 1,070.0000 | 5,361,000 | 19.97% | 0.00% |
| June 15, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | M | Common Stock | 614 | $0.00 | 1,918.0000 | 5,361,000 | 47.09% | 0.01% |
| June 15, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | F | Common Stock | 283 | $134.45 | 1,635.0000 | 5,361,000 | 14.75% | 0.01% |
| June 15, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | M | Restricted Stock Units - 1 | 35 | $0.00 | 35.0000 | 5,361,000 | 50.00% | 0.00% |
| June 15, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | M | Restricted Stock Units - 2 | 134 | $0.00 | 133.0000 | 5,361,000 | 50.19% | 0.00% |
| June 15, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | M | Restricted Stock Units - 4 | 178 | $0.00 | 531.0000 | 5,361,000 | 25.11% | 0.00% |
| June 15, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Archbold Brian David | SVP Operations | M | Restricted Stock Units - 6 | 267 | $0.00 | 1,337.0000 | 5,361,000 | 16.65% | 0.00% |