Latest Insider Transactions at Mesa Laboratories Inc (MLAB)
This section provides a real-time view of insider transactions for Mesa Laboratories Inc (MLAB). The data is sourced from Form 4 filings with the SEC, which are filed by insiders of MESA LABORATORIES INC to disclose their transactions in the company's securities. By reviewing this information, investors can gain insights into the trading activity of MESA LABORATORIES INC 's insiders and make more informed investment decisions.
Insider Transaction List
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Dec 02
2025
|
John James Sullivan Director |
SELL
Bona fide gift
|
Direct |
2,000
-7.33%
|
-
|
|
Oct 27
2025
|
Gary M Owens President and CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
11,558
+15.27%
|
-
|
|
Aug 15
2025
|
Shiraz Shabanali Ladiwala Director |
BUY
Exercise of conversion of derivative security
|
Direct |
1,949
+27.95%
|
-
|
|
Aug 15
2025
|
John James Sullivan Director |
BUY
Exercise of conversion of derivative security
|
Direct |
1,404
+4.89%
|
-
|
|
Aug 15
2025
|
Shannon Hall Director |
BUY
Exercise of conversion of derivative security
|
Direct |
1,404
+25.1%
|
-
|
|
Aug 15
2025
|
R Tony Tripeny Director |
BUY
Exercise of conversion of derivative security
|
Direct |
1,404
+25.59%
|
-
|
|
Aug 15
2025
|
Mark Christopher Capone Director |
BUY
Exercise of conversion of derivative security
|
Direct |
1,404
+39.75%
|
-
|
|
Aug 15
2025
|
Jennifer Sadie Alltoft Director |
BUY
Exercise of conversion of derivative security
|
Direct |
1,404
+22.35%
|
-
|
|
Jun 21
2025
|
John Sakys CFO |
SELL
Payment of exercise price or tax liability
|
Direct |
454
-2.93%
|
$43,130
$95.82 P/Share
|
|
Jun 21
2025
|
John Sakys CFO |
BUY
Exercise of conversion of derivative security
|
Direct |
1,036
+6.27%
|
$98,420
$95.82 P/Share
|
|
Jun 21
2025
|
Brian David Archbold SVP Operations |
SELL
Payment of exercise price or tax liability
|
Direct |
385
-13.79%
|
$36,575
$95.82 P/Share
|
|
Jun 21
2025
|
Brian David Archbold SVP Operations |
BUY
Exercise of conversion of derivative security
|
Direct |
844
+23.21%
|
$80,180
$95.82 P/Share
|
|
Jun 21
2025
|
Gary M Owens President and CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
1,445
-2.67%
|
$137,275
$95.82 P/Share
|
|
Jun 21
2025
|
Gary M Owens President and CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
3,301
+5.76%
|
$313,595
$95.82 P/Share
|
|
Jun 18
2025
|
Gary M Owens President and CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
3,810
-6.99%
|
$350,520
$92.99 P/Share
|
|
Jun 18
2025
|
Gary M Owens President and CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
8,707
+13.77%
|
$801,044
$92.99 P/Share
|
|
Jun 18
2025
|
Brian David Archbold SVP Operations |
SELL
Payment of exercise price or tax liability
|
Direct |
1,166
-37.44%
|
$107,272
$92.99 P/Share
|
|
Jun 18
2025
|
Brian David Archbold SVP Operations |
BUY
Exercise of conversion of derivative security
|
Direct |
2,556
+45.08%
|
$235,152
$92.99 P/Share
|
|
Jun 18
2025
|
John Sakys CFO |
SELL
Payment of exercise price or tax liability
|
Direct |
1,243
-7.91%
|
$114,356
$92.99 P/Share
|
|
Jun 18
2025
|
John Sakys CFO |
BUY
Exercise of conversion of derivative security
|
Direct |
2,840
+15.31%
|
$261,280
$92.99 P/Share
|
|
Jun 16
2025
|
Gary M Owens President and CEO |
SELL
Open market or private sale
|
Direct |
1,939
-4.06%
|
$188,083
$97.12 P/Share
|
|
Jun 16
2025
|
Brian David Archbold SVP Operations |
SELL
Open market or private sale
|
Direct |
472
-45.83%
|
$45,784
$97.12 P/Share
|
|
Jun 16
2025
|
John Sakys CFO |
SELL
Open market or private sale
|
Direct |
642
-4.75%
|
$62,274
$97.12 P/Share
|
|
Jun 15
2025
|
Gary M Owens President and CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
4,426
+4.65%
|
-
|
|
Jun 15
2025
|
Brian David Archbold SVP Operations |
BUY
Exercise of conversion of derivative security
|
Direct |
1,030
+41.23%
|
-
|
|
Jun 15
2025
|
John Sakys CFO |
BUY
Exercise of conversion of derivative security
|
Direct |
793
+5.82%
|
-
|
|
Mar 19
2025
|
Gary M Owens President and CEO |
SELL
Open market or private sale
|
Direct |
21,000
-32.64%
|
$2,583,000
$123.91 P/Share
|
|
Mar 19
2025
|
Gary M Owens President and CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
21,000
+24.61%
|
$2,562,000
$122.98 P/Share
|
|
Nov 19
2024
|
John James Sullivan Director |
SELL
Bona fide gift
|
Direct |
2,000
-7.17%
|
-
|
|
Oct 29
2024
|
Gary M Owens President and CEO |
SELL
Open market or private sale
|
Direct |
2,551
-5.56%
|
$283,161
$111.98 P/Share
|
|
Oct 28
2024
|
Gary M Owens President and CEO |
SELL
Open market or private sale
|
Direct |
2,518
-5.2%
|
$284,534
$113.62 P/Share
|
|
Oct 27
2024
|
Gary M Owens President and CEO |
BUY
Grant, award, or other acquisition
|
Direct |
11,559
+19.28%
|
-
|
|
Sep 13
2024
|
Brian David Archbold SVP Operations |
SELL
Open market or private sale
|
Direct |
1,499
-100.0%
|
$187,375
$125.0 P/Share
|
|
Sep 01
2024
|
John Sakys CFO |
SELL
Payment of exercise price or tax liability
|
Direct |
454
-3.63%
|
$60,382
$133.69 P/Share
|
|
Sep 01
2024
|
John Sakys CFO |
BUY
Exercise of conversion of derivative security
|
Direct |
1,037
+7.66%
|
-
|
|
Sep 01
2024
|
Gary M Owens President and CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
1,445
-3.77%
|
$192,185
$133.69 P/Share
|
|
Sep 01
2024
|
Gary M Owens President and CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
3,301
+7.94%
|
-
|
|
Sep 01
2024
|
Brian David Archbold SVP Operations |
SELL
Payment of exercise price or tax liability
|
Direct |
386
-20.48%
|
$51,338
$133.69 P/Share
|
|
Sep 01
2024
|
Brian David Archbold SVP Operations |
BUY
Exercise of conversion of derivative security
|
Direct |
845
+30.95%
|
-
|
|
Sep 01
2024
|
John James Sullivan Director |
BUY
Exercise of conversion of derivative security
|
Direct |
1,074
+3.71%
|
-
|
|
Sep 01
2024
|
R Tony Tripeny Director |
BUY
Exercise of conversion of derivative security
|
Direct |
1,074
+28.62%
|
-
|
|
Sep 01
2024
|
Shiraz Shabanali Ladiwala Director |
BUY
Exercise of conversion of derivative security
|
Direct |
1,574
+33.86%
|
-
|
|
Sep 01
2024
|
Shannon Hall Director |
BUY
Exercise of conversion of derivative security
|
Direct |
1,074
+27.83%
|
-
|
|
Sep 01
2024
|
Jennifer Sadie Alltoft Director |
BUY
Exercise of conversion of derivative security
|
Direct |
1,074
+23.61%
|
-
|
|
Aug 15
2024
|
Mark Christopher Capone Director |
BUY
Exercise of conversion of derivative security
|
Direct |
724
+50.0%
|
-
|
|
Jun 14
2024
|
Gary M Owens President and CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
4,959
+12.41%
|
-
|
|
Jun 14
2024
|
Brian David Archbold SVP Operations |
SELL
Payment of exercise price or tax liability
|
Direct |
407
-28.13%
|
$37,037
$91.6 P/Share
|
|
Jun 14
2024
|
Brian David Archbold SVP Operations |
BUY
Exercise of conversion of derivative security
|
Direct |
889
+38.06%
|
-
|
|
Jun 14
2024
|
John Sakys CFO |
SELL
Payment of exercise price or tax liability
|
Direct |
572
-4.75%
|
$52,052
$91.6 P/Share
|
|
Jun 14
2024
|
John Sakys CFO |
BUY
Exercise of conversion of derivative security
|
Direct |
1,304
+9.78%
|
-
|