John Sakys - 10 Jun 2025 Form 4 Insider Report for MESA LABORATORIES INC /CO/ (MLAB)

Reporting relationship
CFO
Issuer ticker
MLAB
Reported as of
10 Jun 2025
Net transaction value
$0
Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
11 Jun 2025, 10:30:13 UTC
Prior SEC filing
06 Sep 2024
Next SEC filing
18 Jun 2025
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
John Sakys

Key filing fact

John Sakys filed Form 4 for MESA LABORATORIES INC /CO/ (MLAB) on 11 Jun 2025.

Key facts

  • This page summarizes John Sakys's Form 4 filing for MESA LABORATORIES INC /CO/ (MLAB).
  • 1 reported transaction and 1 derivative row are listed below.
  • Accepted by SEC: 11 Jun 2025, 10:30.

Change

  • Previous filing in this sequence was filed on 06 Sep 2024.
  • Current net transaction value: $0.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001197710 Primary reporting owner

Sakys John

Relationship
CFO
Address
MESA LABORATORIES, INC., 12100 W. 6TH AVENUE, LAKEWOOD
Signature
John Sakys
Signature date
11 Jun 2025

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

MLAB transaction Derivative

Non Qualified Stock Options

Expiration of short derivative position

Transaction value
$0
Shares
-4,087
Change %
-17%
Price
$0.000000
Shares after
19,706
Date
10 Jun 2025
Ownership
Direct
Underlying class
Common Stock
Underlying amount
4,087
Exercise price
$203.54
Footnotes
F1, F2
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

NSOs that vested 1/4 on each anniversary date of the June 10, 2019 grant date

Footnote F2

NSOs that expired unexercised on June 10, 2025

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