Key facts
- This page summarizes Jennifer Sadie Alltoft's Form 4 filing for MESA LABORATORIES INC /CO/ (MLAB).
- 3 reported transactions and 2 derivative rows are listed below.
- Accepted by SEC: 18 Aug 2025, 13:34.
Jennifer Sadie Alltoft - 15 Aug 2025 Form 4 Insider Report for MESA LABORATORIES INC /CO/ (MLAB)
- Reporting relationship
- Director
- Issuer ticker
- MLAB
- Reported as of
- 15 Aug 2025
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 18 Aug 2025, 13:34:29 UTC
- Prior SEC filing
- 06 Sep 2024
- Source filing
- View source filing
- Reporting owner signature
- John Sakys under Power of Attorney by Jennifer Alltoft
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Jennifer Sadie Alltoft filed Form 4 for MESA LABORATORIES INC /CO/ (MLAB) on 18 Aug 2025.
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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001769053
Primary reporting owner
Alltoft Jennifer Sadie
- Relationship
- Director
- Address
- 12100 W. 6TH AVENUE, LAKEWOOD
- Signature
- John Sakys under Power of Attorney by Jennifer Alltoft
- Signature date
- 18 Aug 2025
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
MLAB
transaction
Common Stock
Options Exercise
- Transaction value
- $0
- Shares
- +1,404
- Change %
- +40%
- Price
- $0.000000
- Shares after
- 4,878
- Date
- 15 Aug 2025
- Ownership
- Direct
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
MLAB
transaction
Derivative
Restricted Stock Units - 8
Options Exercise
- Transaction value
- $0
- Shares
- -1,404
- Change %
- -100%
- Price
- $0.000000
- Shares after
- 0
- Date
- 15 Aug 2025
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 1,404
- Exercise price
- Footnotes
- F1, F2, F3
MLAB
transaction
Derivative
Restricted Stock Units - 9
Award
- Transaction value
- $0
- Shares
- +2,784
- Change %
- Price
- $0.000000
- Shares after
- 2,784
- Date
- 15 Aug 2025
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 2,784
- Exercise price
- Footnotes
- F1, F3, F4
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 4 footnotes
Footnote F1
Each RSU represents a contingent right to receive one share of the Issuer's common stock
Footnote F2
RSUs that vested on August 15, 2025
Footnote F3
Not Applicable
Footnote F4
RSUs that vest on August 15, 2026