There have been 50 recent insider transactions recorded for Mesa Laboratories, Inc. (MLAB), including 13 buys and 32 sells. Total insider buying was valued at $452.08K and total insider selling at $3.82M.
Notable insiders with recent activity include Owens Gary M, Tripeny R Tony, Capone Mark Christopher. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — MLAB
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-03-31 |
Owens Gary M |
President and CEO |
Return of Shares |
8,211 |
- |
- |
16,448 |
| 2026-03-10 |
Tripeny R Tony |
Director |
Informative Buy |
1,315 |
$76.00 |
$99.94K |
5,398 |
| 2026-03-10 |
Capone Mark Christopher |
Director |
Informative Buy |
1,301 |
$76.35 |
$99.33K |
3,429 |
| 2026-03-10 |
Ladiwala Shiraz Shabanali |
Director |
Informative Buy |
3,500 |
$72.23 |
$252.81K |
8,523 |
| 2025-12-02 |
Sullivan John James |
Director |
Gift (Given) |
2,000 |
- |
- |
25,282 |
| 2025-10-27 |
Owens Gary M |
President and CEO |
Option Exercise |
11,558 |
- |
- |
64,135 |
| 2025-08-15 |
Sullivan John James |
Director |
Option Exercise (Sell) |
1,404 |
- |
- |
- |
| 2025-08-15 |
Tripeny R Tony |
Director |
Option Exercise (Sell) |
1,404 |
- |
- |
- |
| 2025-08-15 |
Capone Mark Christopher |
Director |
Option Exercise (Sell) |
1,404 |
- |
- |
- |
| 2025-08-15 |
Hall Shannon |
Director |
Option Exercise (Sell) |
1,404 |
- |
- |
- |
| 2025-08-15 |
Ladiwala Shiraz Shabanali |
Director |
Option Exercise (Sell) |
1,949 |
- |
- |
- |
| 2025-08-15 |
Alltoft Jennifer Sadie |
Director |
Option Exercise (Sell) |
1,404 |
- |
- |
- |
| 2025-06-21 |
Owens Gary M |
President and CEO |
Option Exercise (Sell) |
3,301 |
- |
- |
3,300 |
| 2025-06-21 |
Sakys John |
CFO |
Option Exercise (Sell) |
1,036 |
- |
- |
1,036 |
| 2025-06-21 |
Archbold Brian David |
SVP Operations |
Option Exercise (Sell) |
844 |
- |
- |
844 |
| 2025-06-18 |
Sakys John |
CFO |
Option Exercise (Sell) |
2,840 |
- |
- |
5,511 |
| 2025-06-18 |
Owens Gary M |
President and CEO |
Option Exercise (Sell) |
8,707 |
- |
- |
16,900 |
| 2025-06-18 |
Archbold Brian David |
SVP Operations |
Tax Withholding of RSU |
1,166 |
$92.99 |
$108.43K |
1,948 |
| 2025-06-16 |
Sakys John |
CFO |
Informative Sell |
642 |
$97.12 |
$62.35K |
12,865 |
| 2025-06-16 |
Owens Gary M |
President and CEO |
Informative Sell |
1,939 |
$97.12 |
$188.31K |
45,824 |
| 2025-06-16 |
Archbold Brian David |
SVP Operations |
Informative Sell |
472 |
$97.12 |
$45.84K |
558 |
| 2025-06-15 |
Sakys John |
CFO |
Option Exercise (Sell) |
793 |
- |
- |
- |
| 2025-06-15 |
Owens Gary M |
President and CEO |
Option Exercise (Sell) |
2,324 |
- |
- |
- |
| 2025-06-15 |
Archbold Brian David |
SVP Operations |
Option Exercise (Sell) |
535 |
- |
- |
- |
| 2025-06-10 |
Sakys John |
CFO |
Option Expired |
4,087 |
$203.54 |
$831.87K |
19,706 |
| 2025-06-10 |
Owens Gary M |
President & CEO |
Option Expired |
9,939 |
$203.54 |
$2.02M |
63,830 |
| 2025-06-10 |
Archbold Brian David |
SVP Operations |
Option Expired |
2,129 |
$203.54 |
$433.34K |
12,567 |
| 2025-03-19 |
Owens Gary M |
President and CEO |
Informative Sell |
21,000 |
$123.91 |
$2.6M |
43,337 |
| 2024-11-19 |
Sullivan John James |
Director |
Gift (Given) |
2,000 |
- |
- |
25,878 |
| 2024-10-29 |
Owens Gary M |
President and CEO |
Informative Sell |
2,551 |
$111.98 |
$285.65K |
43,337 |
| 2024-10-28 |
Owens Gary M |
President and CEO |
Informative Sell |
2,518 |
$113.62 |
$286.09K |
45,888 |
| 2024-10-27 |
Owens Gary M |
President and CEO |
RSU Award |
11,559 |
- |
- |
48,406 |
| 2024-09-13 |
Archbold Brian David |
SVP Operations |
Informative Sell |
1,499 |
$125.00 |
$187.38K |
- |
| 2024-09-01 |
Sakys John |
CFO |
Option Exercise (Sell) |
1,037 |
- |
- |
2,072 |
| 2024-09-01 |
Sullivan John James |
Director |
Option Exercise (Sell) |
1,074 |
- |
- |
- |
| 2024-09-01 |
Tripeny R Tony |
Director |
Option Exercise (Sell) |
1,074 |
- |
- |
- |
| 2024-09-01 |
Hall Shannon |
Director |
Option Exercise (Sell) |
1,074 |
- |
- |
- |
| 2024-09-01 |
Owens Gary M |
President and CEO |
Option Exercise (Sell) |
3,301 |
- |
- |
6,601 |
| 2024-09-01 |
Ladiwala Shiraz Shabanali |
Director |
Option Exercise (Sell) |
1,574 |
- |
- |
- |
| 2024-09-01 |
Alltoft Jennifer Sadie |
Director |
Option Exercise (Sell) |
1,074 |
- |
- |
- |
| 2024-09-01 |
Archbold Brian David |
SVP Operations |
Tax Withholding of RSU |
386 |
$133.69 |
$51.6K |
1,499 |
| 2024-08-15 |
Sullivan John James |
Director |
RSU Award |
1,404 |
- |
- |
1,404 |
| 2024-08-15 |
Tripeny R Tony |
Director |
RSU Award |
1,404 |
- |
- |
1,404 |
| 2024-08-15 |
Capone Mark Christopher |
Director |
Option Exercise (Sell) |
724 |
- |
- |
- |
| 2024-08-15 |
Hall Shannon |
Director |
RSU Award |
1,404 |
- |
- |
1,404 |
| 2024-08-15 |
Ladiwala Shiraz Shabanali |
Director |
RSU Award |
1,949 |
- |
- |
1,949 |
| 2024-08-15 |
Alltoft Jennifer Sadie |
Director |
RSU Award |
1,404 |
- |
- |
1,404 |
| 2024-06-18 |
Sakys John |
CFO |
RSU Award |
8,351 |
- |
- |
8,351 |
| 2024-06-18 |
Owens Gary M |
President and CEO |
RSU Award |
25,607 |
- |
- |
25,607 |
| 2024-06-18 |
Archbold Brian David |
SVP Operations |
RSU Award |
7,516 |
- |
- |
7,516 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
