Mesa Laboratories Inc.
Last updated September 27, 2026
Organization details
- Legal name
- Mesa Laboratories Inc.
- Ownership
- Public
- Status
- Active
- Headquarters country
- United States
- Ticker symbol
- MLAB
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0000724004
Board of directors
-
Jennifer Sadie Alltoft · DirectorSince 2023
-
John Bradley Schmieder · DirectorSince 2023
-
John James Sullivan · DirectorSince 2023
-
R. Tony Tripeny · DirectorSince 2023
-
Shannon Hall · DirectorSince 2023
-
Shiraz Shabanali Ladiwala · DirectorSince 2023
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $0
- 0 purchases by 0 insiders
- Sold, last 12 months
- $0
- 0 sales by 0 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Dec 15, 2023 | Archbold Brian David Officer (SVP Operations) | Open-market sale | −1,500 | $112.36 | $168,540 |
| Nov 9, 2023 | John James Sullivan Director | Gift | −200 | — | — |
| Nov 9, 2023 | John James Sullivan Director | Gift | +200 | — | — |
| Nov 9, 2023 | John James Sullivan Director | Gift | −2,000 | — | — |
| Sep 15, 2023 | John Bradley Schmieder Director | Open-market sale | −1,000 | $123.74 | $123,740 |
| Sep 14, 2023 | John Bradley Schmieder Director | Open-market sale | −3,000 | $123.05 | $369,150 |
| Sep 13, 2023 | John Bradley Schmieder Director | Open-market sale | −3,000 | $123.32 | $369,960 |
| Sep 1, 2023 | Owens Gary M Officer (President and CEO) | Option exercise | +2,000 | $136.42 | $272,840 |
| Sep 1, 2023 | Owens Gary M Officer (President and CEO) | Open-market sale | −2,000 | $142.82 | $285,640 |
| Aug 15, 2023 | Shiraz Shabanali Ladiwala Director | Option exercise | +40 | — | — |
| Aug 15, 2023 | R. Tony Tripeny Director | Option exercise | +1,105 | — | — |
| Aug 15, 2023 | Shiraz Shabanali Ladiwala Director | Option exercise | +1,055 | — | — |
| Aug 15, 2023 | John James Sullivan Director | Option exercise | +754 | — | — |
| Aug 15, 2023 | Jennifer Sadie Alltoft Director | Option exercise | +754 | — | — |
| Aug 15, 2023 | John Bradley Schmieder Director | Option exercise | +754 | — | — |
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