Sakys John, CFO of MESA LABORATORIES INC /CO/ ($MLAB), made one open market sale of common shares in the last 365 days, totaling about $62,350. The most recent sale occurred on June 16, 2025. This places Sakys John's sales volume in the 10,139th position among 11,678 individual insiders, compared to an average sale amount of $8.6 million across 6.4 transactions. He reported no open market purchases during this period.
| 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 | Sakys John | CFO | M | Common Stock | 1036 | $95.82 | 15,598.0000 | 5,421,000 | 7.11% | 0.02% |
| June 21, 2025 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | F | Common Stock | 454 | $95.82 | 15,144.0000 | 5,421,000 | 2.91% | 0.01% |
| June 21, 2025 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | M | Restricted Stock Units - 6 | 1036 | $0.00 | 1,036.0000 | 5,421,000 | 50.00% | 0.02% |
| June 18, 2025 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | M | Common Stock | 2840 | $92.99 | 15,705.0000 | 5,421,000 | 22.08% | 0.05% |
| June 18, 2025 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | F | Common Stock | 1243 | $92.99 | 14,462.0000 | 5,421,000 | 7.91% | 0.02% |
| June 18, 2025 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | M | Restricted Stock Units - 7 | 2840 | $0.00 | 5,511.0000 | 5,421,000 | 34.01% | 0.05% |
| June 15, 2025 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | A | Restricted Stock Units - 8 | 8133 | $0.00 | 8,133.0000 | 5,421,000 | 9999.99% | 0.15% |
| June 15, 2025 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | M | Common Stock | 793 | $0.00 | 12,839.0000 | 5,421,000 | 6.58% | 0.01% |
| June 15, 2015 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | A | Common Stock | 668 | $0.00 | 13,507.0000 | 0 | 5.20% | 0.00% |
| June 16, 2025 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | S | Common Stock | 642 | $97.12 | 12,865.0000 | 5,421,000 | 4.75% | 0.01% |
| June 15, 2025 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | M | Restricted Stock Units - 5 | 793 | $0.00 | 0.0000 | 5,421,000 | 100.00% | 0.01% |
| June 10, 2025 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | E | Non Qualified Stock Options | 4087 | $0.00 | 19,706.0000 | 5,421,000 | 17.18% | 0.08% |
| Sept. 1, 2024 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | M | Common Stock | 1037 | $0.00 | 12,600.0000 | 5,386,000 | 8.97% | 0.02% |
| Sept. 1, 2024 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | F | Common Stock | 454 | $133.69 | 12,146.0000 | 5,386,000 | 3.60% | 0.01% |
| Sept. 1, 2024 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | M | Restricted Stock Units - 6 | 1037 | $0.00 | 2,072.0000 | 5,386,000 | 33.35% | 0.02% |
| June 18, 2024 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | A | Restricted Stock Units - 7 | 8351 | $0.00 | 8,351.0000 | 5,386,000 | 9999.99% | 0.16% |
| June 14, 2024 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | M | Common Stock | 1304 | $0.00 | 12,135.0000 | 5,386,000 | 12.04% | 0.02% |
| June 14, 2024 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | F | Common Stock | 572 | $91.60 | 11,563.0000 | 5,386,000 | 4.71% | 0.01% |
| June 14, 2024 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | M | Restricted Stock Units - 3 | 511 | $0.00 | 0.0000 | 5,386,000 | 100.00% | 0.01% |
| June 14, 2024 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | M | Restricted Stock Units - 5 | 793 | $0.00 | 793.0000 | 5,386,000 | 50.00% | 0.01% |
| April 2, 2024 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | E | Non Qualified Stock Option | 2500 | $0.00 | 23,793.0000 | 5,386,000 | 9.51% | 0.05% |
| Sept. 1, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | A | Restricted Stock Unit - 6 | 3109 | $0.00 | 3,109.0000 | 5,361,000 | 9999.99% | 0.06% |
| June 21, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | A | Non Qualified Stock Options | 5619 | $0.00 | 26,293.0000 | 5,361,000 | 27.18% | 0.10% |
| June 16, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | M | Common Stock | 848 | $0.00 | 11,019.0000 | 5,361,000 | 8.34% | 0.02% |
| June 15, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | F | Common Stock | 288 | $135.55 | 10,731.0000 | 5,361,000 | 2.61% | 0.01% |
| June 16, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | M | Restricted Stock Units - 1 | 196 | $0.00 | 0.0000 | 5,361,000 | 100.00% | 0.00% |
| June 16, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | M | Restricted Stock Units - 3 | 256 | $0.00 | 511.0000 | 5,361,000 | 33.38% | 0.00% |
| June 16, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | M | Restricted Stock Units - 5 | 396 | $0.00 | 1,586.0000 | 5,361,000 | 19.98% | 0.01% |
| June 15, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | M | Common Stock | 848 | $0.00 | 10,644.0000 | 5,361,000 | 8.66% | 0.02% |
| June 15, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | F | Common Stock | 373 | $134.45 | 10,271.0000 | 5,361,000 | 3.50% | 0.01% |
| June 15, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | M | Restricted Stock Units - 1 | 196 | $0.00 | 196.0000 | 5,361,000 | 50.00% | 0.00% |
| June 15, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | M | Restricted Stock Units - 3 | 256 | $0.00 | 767.0000 | 5,361,000 | 25.02% | 0.00% |
| June 15, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | M | Restricted Stock Units - 5 | 396 | $0.00 | 1,982.0000 | 5,361,000 | 16.65% | 0.01% |
| March 22, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | M | Common Stock | 2500 | $122.66 | 12,296.0000 | 0 | 25.52% | 0.00% |
| March 22, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | S | Common Stock | 2500 | $171.62 | 9,796.0000 | 0 | 20.33% | 0.00% |
| March 24, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | M | Common Stock | 1000 | $122.66 | 10,796.0000 | 0 | 10.21% | 0.00% |
| March 24, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | S | Common Stock | 1000 | $167.01 | 9,796.0000 | 0 | 9.26% | 0.00% |
| March 24, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | M | Common Stock | 1128 | $51.85 | 10,924.0000 | 0 | 11.51% | 0.00% |
| March 24, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | S | Common Stock | 1128 | $167.01 | 9,796.0000 | 0 | 10.33% | 0.00% |
| March 22, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | X | Non Qualified Stock Option | 2500 | $0.00 | 23,802.0000 | 0 | 9.50% | 0.00% |
| March 24, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | X | Non Qualified Stock Option | 1000 | $0.00 | 22,802.0000 | 0 | 4.20% | 0.00% |
| March 24, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | X | Non Qualified Stock Option | 1128 | $0.00 | 21,674.0000 | 0 | 4.95% | 0.00% |
| March 15, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | M | Common Stock | 1000 | $70.56 | 10,796.0000 | 0 | 10.21% | 0.00% |
| March 15, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | S | Common Stock | 1000 | $165.71 | 9,796.0000 | 0 | 9.26% | 0.00% |
| March 15, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | X | Incentive Stock Option | 1000 | $0.00 | 25,302.0000 | 0 | 3.80% | 0.00% |
| March 9, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | M | Common Stock | 400 | $70.56 | 10,196.0000 | 0 | 4.08% | 0.00% |
| March 9, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | S | Common Stock | 400 | $169.97 | 9,796.0000 | 0 | 3.92% | 0.00% |
| March 9, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | X | Incentive Stock Option | 400 | $0.00 | 26,302.0000 | 0 | 1.50% | 0.00% |
| Feb. 9, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | M | Common Stock | 1000 | $51.85 | 10,796.0000 | 0 | 10.21% | 0.00% |
| Feb. 9, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | S | Common Stock | 1000 | $184.27 | 9,796.0000 | 0 | 9.26% | 0.00% |
| Feb. 9, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | X | Non Qualified Stock Option | 1000 | $0.00 | 26,702.0000 | 0 | 3.61% | 0.00% |
| Jan. 23, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | M | Common Stock | 2100 | $70.56 | 11,896.0000 | 0 | 21.44% | 0.00% |
| Jan. 23, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | S | Common Stock | 2100 | $210.19 | 9,796.0000 | 0 | 17.65% | 0.00% |
| Jan. 23, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Sakys John | CFO | X | Non Qualified Stock Option | 2100 | $0.00 | 27,702.0000 | 0 | 7.05% | 0.00% |