Mesa Laboratories (MLAB) Form 4: 1,404 RSUs vested for director

Rhea-AI Filing Summary

Mark Christopher Capone, a director of Mesa Laboratories, reported transactions on Form 4 showing equity from restricted stock units. On 08/15/2025 1,404 RSUs vested and were converted into 1,404 shares of common stock at a $0 price, increasing his reported beneficial ownership of common stock to 2,128 shares. The filing also reports an additional 2,784 RSUs that remain outstanding and vest on 08/15/2026. The Form 4 was executed under power of attorney by John Sakys and dated 08/18/2025. All transactions are routine equity compensation events; no cash purchase price was reported.

Positive

• Timely disclosure of RSU vesting and outstanding awards under Section 16
• No cash outlay reported for vested RSUs, indicating standard compensation conversion

Negative

• None.

Insights

Financial Analyst

TL;DR: Routine director RSU vesting converted to 1,404 shares, modestly increasing insider ownership; no cash paid.

The filing documents a standard equity-compensation event with 1,404 RSUs vesting into shares and an outstanding balance of 2,784 RSUs vesting next year. This increases reported beneficial ownership to 2,128 shares. There is no sale or purchase for cash, and no change to outstanding option/convertible positions beyond the RSU movements. For investors, this is a disclosure of insider compensation rather than an operational or financial development.

Corporate Governance Expert

TL;DR: Disclosure reflects compliance with Section 16 reporting for director compensation; timing and amounts are standard.

The Form 4 shows timely reporting of RSU vesting by a director and lists remaining RSUs that vest on 08/15/2026. The use of a power of attorney to sign the filing is common for administrative filings. There are no indications of unusual trading, pledging, or derivative exercises that would raise governance concerns in this submission.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Capone Mark Christopher

(Last) (First) (Middle)

320 WAKARA WAY

(Street)

SALT LAKE CITY UT 84108

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
MESA LABORATORIES INC /CO/ [ MLAB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
08/15/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/15/2025		M		1,404	A	$0	2,128	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units - 2	(1)	08/15/2025		M			1,404	(2)	(3)	Common Stock	1,404	$0	0	D
Restricted Stock Units - 3	(1)	08/15/2025		A		2,784		(4)	(3)	Common Stock	2,784	$0	2,784	D

Explanation of Responses:

1. Each RSU represents a contingent right to receive on share of the Issuer's common stock

2. RSUs that vested on August 15, 2025

3. Not Applicable

4. RSUs that vest on August 15, 2026

	John Sakys under Power of Attorney by Mark Capone	08/18/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did Mark Capone report on the Form 4 for MLAB?

He reported 1,404 RSUs vested into 1,404 shares, increasing his beneficial ownership to 2,128 shares and retaining 2,784 RSUs that vest on 08/15/2026.

When did the RSUs vest and when was the Form 4 filed?

RSUs vested on 08/15/2025 and the Form 4 was signed under power of attorney on 08/18/2025.

Did Mark Capone pay anything to receive the vested shares?

No cash price was reported; the vested RSUs converted to shares at a $0 price as equity compensation.

How many RSUs remain outstanding for Mark Capone and when do they vest?

2,784 RSUs remain outstanding and are scheduled to vest on 08/15/2026.

Does the Form 4 show any sale or derivative exercises by the reporting person?

No sales or derivative exercises are reported; the transactions are vesting and grant-related only.