Mesa Laboratories (MLAB) CAO details stock, option and RSU holdings in Form 3
Filing Impact
Filing Sentiment
Form Type
3
Rhea-AI Filing Summary
Mesa Laboratories Inc. executive Lyndsey Elizabeth Crennen, Chief Accounting Officer, has filed an initial statement of ownership showing her equity stake in the company. The filing lists existing holdings and does not report new open‑market trades.
She directly holds 1,863 shares of Common Stock. In addition, she holds several non‑qualified stock option awards, including options over 369 shares at an exercise price of $268.85 per share expiring on September 1, 2027, 488 shares at $185.57 expiring on June 15, 2028, and 646 shares at $131.67 expiring on June 21, 2029.
Crennen also holds multiple restricted stock unit (RSU) awards, each representing a contingent right to receive one share of common stock. These RSUs cover blocks such as 1,800 shares, 1,443 shares, 735 shares, 542 shares, 465 shares, and 125 shares, with vesting schedules that extend in tranches through 2029.
Positive
- None.
Negative
- None.
Insider Trade Summary
10 transactions reported
Mixed
10 txns
Insider
Crennen Lyndsey Elizabeth
Role
Chief Accounting Officer
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| holding | Restricted Stock Unit - 1 | -- | -- | -- |
| holding | Restricted Stock Unit - 2 | -- | -- | -- |
| holding | Restricted Stock Units - 3 | -- | -- | -- |
| holding | Restricted Stock Units | -- | -- | -- |
| holding | Restricted Stock Units - 5 | -- | -- | -- |
| holding | Restricted Stock Units 6 | -- | -- | -- |
| holding | NSO -1 | -- | -- | -- |
| holding | NSO - 2 | -- | -- | -- |
| holding | NSO - 3 | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
Holdings After Transaction:
Restricted Stock Unit - 1 — 125 shares (Direct, null);
Restricted Stock Unit - 2 — 465 shares (Direct, null);
Restricted Stock Units - 3 — 735 shares (Direct, null);
Restricted Stock Units — 542 shares (Direct, null);
Restricted Stock Units - 5 — 1,800 shares (Direct, null);
Restricted Stock Units 6 — 1,443 shares (Direct, null);
NSO -1 — 369 shares (Direct, null);
NSO - 2 — 488 shares (Direct, null);
NSO - 3 — 646 shares (Direct, null);
Common Stock — 1,863 shares (Direct, null)
Footnotes (1)
- Last tranche of the grant vests on June 21, 2026 Not Applicable Each RSU represents a contingent right to receive one share of the Issuer's common stock RSUs that vest 233 shares on June 18, 2026 and 232 shares that vest on June 18, 2027 RSUs that vest 368 shares on June 19, 2026 and 367 shares that vest on June 19, 2027 RSUs that vest 271 shares on June 13, 2027 and 271 shares on June 13, 2028 RSUs that vest 612 shares on March 2, 2027 and 594 shares that vest on each of March 2, 2028 and March 2, 2029 RSUs that vest 34% on June 15, 2027, 33% on June 8, 2028 and 33% on June 8, 2029 Non qualified stock options that were fully vested as of June 15, 2024 Non qualified stock options that were fully vested as of June 15, 2025 NSO's that will fully vest on June 21, 2026
Key Figures
Direct common shares: 1,863 shares
NSO -1 exercise price: $268.85 per share
NSO -2 exercise price: $185.57 per share
+5 more
8 metrics
Direct common shares
1,863 shares
Common Stock held directly following reported holdings
NSO -1 exercise price
$268.85 per share
Non-qualified stock option over 369 underlying shares, expiring September 1, 2027
NSO -2 exercise price
$185.57 per share
Non-qualified stock option over 488 underlying shares, expiring June 15, 2028
NSO -3 exercise price
$131.67 per share
Non-qualified stock option over 646 underlying shares, expiring June 21, 2029
Largest RSU block
1,800 underlying shares
Restricted Stock Units - 5, exercisable for common stock at $0.00 exercise price
Second-largest RSU block
1,443 underlying shares
Restricted Stock Units 6, exercisable for common stock at $0.00 exercise price
RSU vesting example
233 and 232 shares
RSUs vesting on June 18, 2026 and June 18, 2027 respectively
RSU multi-year vesting
612 + 594 + 594 shares
RSUs vesting on March 2, 2027, 2028 and 2029 respectively
Key Terms
Restricted Stock Units, Non qualified stock options, contingent right, NSO, +1 more
5 terms
Restricted Stock Units financial
"Restricted Stock Units - 5"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
Non qualified stock options financial
"Non qualified stock options that were fully vested as of June 15, 2024"
contingent right financial
"Each RSU represents a contingent right to receive one share of the Issuer's common stock"
NSO financial
"NSO - 3"
vest financial
"RSUs that vest 368 shares on June 19, 2026 and 367 shares that vest on June 19, 2027"
A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.
FAQ
What does the Mesa Laboratories (MLAB) Form 3 filing show for Lyndsey Crennen?
The Form 3 shows Lyndsey Elizabeth Crennen’s existing equity holdings as Chief Accounting Officer, including 1,863 common shares, several non-qualified stock options, and multiple restricted stock unit awards that vest over time into Mesa Laboratories common stock.
What stock options are reported for Lyndsey Crennen in the Mesa Laboratories (MLAB) Form 3?
The filing lists non-qualified stock options over 369 shares at $268.85 expiring in 2027, 488 shares at $185.57 expiring in 2028, and 646 shares at $131.67 expiring in 2029, all exercisable into Mesa Laboratories common stock.
What restricted stock units (RSUs) does Lyndsey Crennen hold at Mesa Laboratories (MLAB)?
Crennen holds several RSU awards covering 1,800, 1,443, 735, 542, 465, and 125 underlying shares. Each RSU represents a contingent right to receive one Mesa Laboratories common share, vesting in scheduled tranches through various dates into 2029.
Do the reported RSUs for Lyndsey Crennen at Mesa Laboratories (MLAB) have specific vesting schedules?
Yes. Footnotes describe RSUs vesting in defined tranches, such as 233 and 232 shares on June 18, 2026 and 2027, and 368 and 367 shares on June 19, 2026 and 2027, with additional RSU blocks vesting across 2027, 2028, and 2029.