Mesa Laboratories Inc.
Organization details
- Legal name
- Mesa Laboratories Inc.
- Ownership
- Public
- Status
- Active
- Sector (GICS)
- Information Technology
- SIC code
- 3823 — Industrial Instruments For Measurement, Display, and Control
- Jurisdiction of incorporation
- Colorado
- Headquarters city
- Lakewood
- Headquarters state / province
- Colorado
- Headquarters country
- United States
- Fiscal year end
- March
- Ticker symbol
- MLAB
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0000724004
- EIN
- 84-0872291
Board of directors
-
Jennifer Sadie Alltoft · DirectorSince 2023
-
John Bradley Schmieder · DirectorSince 2023
-
John James Sullivan · DirectorSince 2023
-
Mark Christopher Capone · DirectorSince 2024
-
R. Tony Tripeny · DirectorSince 2023
-
Shannon Hall · DirectorSince 2023
-
Shiraz Shabanali Ladiwala · DirectorSince 2023
Director election results
Annual meeting of August 22, 2025. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
96.0%
-
97.6%
-
97.7%
-
98.0%
-
99.1%
-
99.2%
Board connections
2 of this board's directors also sit on 2 other boards.
- via R. Tony Tripeny
- via Mark Christopher Capone
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
- $1,354,488
- 5 purchases by 4 insiders
- Sold, last 12 months
- $1,570,213
- 7 sales by 4 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Oct 13, 2026 | John James Sullivan Director | Gift | −1,200 | — | — |
| Aug 15, 2026 | Jennifer Sadie Alltoft Director | Option exercise | +2,784 | — | — |
| Aug 15, 2026 | Mark Christopher Capone Director | Option exercise | +2,784 | — | — |
| Aug 15, 2026 | Shannon Hall Director | Option exercise | +2,784 | — | — |
| Aug 15, 2026 | Shiraz Shabanali Ladiwala Director | Option exercise | +3,810 | — | — |
| Aug 15, 2026 | John James Sullivan Director | Option exercise | +2,784 | — | — |
| Aug 15, 2026 | R. Tony Tripeny Director | Option exercise | +2,784 | — | — |
| Aug 13, 2026 | Kadia Siddhartha Officer (President and CEO) | Open-market purchase | +7,093 | $112.80 | $800,090 |
| Aug 13, 2026 | R. Tony Tripeny Director | Open-market purchase | +900 | $113.69 | $102,321 |
| Aug 13, 2026 | John James Sullivan Director | Open-market sale | −7,093 | $112.80 | $800,090 |
| Jun 22, 2026 | Archbold Brian David Officer (SVP Operations) | Open-market sale | −2,516 | $89.50 | $225,182 |
| Jun 22, 2026 | Sakys John Officer (CFO) | Open-market sale | −2,827 | $89.50 | $253,017 |
| Jun 22, 2026 | Crennen Lyndsey Elizabeth Officer (CAO) | Open-market sale | −442 | $89.50 | $39,559 |
| Jun 18, 2026 | Crennen Lyndsey Elizabeth Officer (CAO) | Option exercise | +125 | $95.10 | $11,888 |
| Jun 18, 2026 | Archbold Brian David Officer (SVP Operations) | Option exercise | +844 | $95.10 | $80,264 |
Peers
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Questions about Mesa Laboratories Inc.
How many directors are on Mesa Laboratories Inc.'s board?
Mesa Laboratories Inc.'s board has 7 directors: Jennifer Sadie Alltoft, John Bradley Schmieder, John James Sullivan, Mark Christopher Capone, R. Tony Tripeny, Shannon Hall and Shiraz Shabanali Ladiwala.
Are Mesa Laboratories Inc. insiders buying or selling shares?
Over the last 12 months, Mesa Laboratories Inc. insiders bought $1.4 million of shares in 5 purchases and sold $1.6 million of shares in 7 sales on the open market, as reported to the SEC on Forms 4 and 5.
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