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[Form 4] Mesa Laboratories Inc Insider Trading Activity

Filing Impact
(Low)
Filing Sentiment
(Neutral)
Form Type
4
Rhea-AI Filing Summary

Shiraz Ladiwala, a director of Mesa Laboratories, received restricted stock unit vestings and holds common stock. On August 15, 2025, 1,949 RSUs vested and were reported as acquired resulting in 1,949 shares delivered at $0 per share. Additionally, 3,810 RSUs granted on the same date were reported as unvested and remain scheduled to vest on August 15, 2026, representing an additional 3,810 shares. After the vested delivery, the reporting person beneficially owned 5,023 shares of Mesa Laboratories common stock. The Form 4 was filed by one reporting person and lists the reporting person as a director. The filing was signed under power of attorney on August 15, 2025.

Shiraz Ladiwala, membro del consiglio di amministrazione di Mesa Laboratories, ha maturato unità azionarie soggette a restrizioni e detiene azioni ordinarie. Il 15 agosto 2025 sono 1.949 RSU maturate e segnalate come acquisite, corrispondenti alla consegna di 1.949 azioni a $0 per azione. Inoltre, 3.810 RSU concesse in quella stessa data risultano non ancora maturate e sono previste maturare il 15 agosto 2026, rappresentando ulteriori 3.810 azioni. Dopo la consegna delle RSU maturate, la persona segnalante possedeva beneficiariamente 5.023 azioni ordinarie di Mesa Laboratories. Il Modulo 4 è stato presentato da un unico dichiarante che figura come direttore. La dichiarazione è stata firmata con procura il 15 agosto 2025.

Shiraz Ladiwala, director de Mesa Laboratories, recibió adjudicaciones de unidades de acciones restringidas y posee acciones ordinarias. El 15 de agosto de 2025 1.949 RSU vencieron y se informaron como adquiridas, entregándose 1.949 acciones a $0 por acción. Además, 3.810 RSU concedidas en la misma fecha permanecen no devengadas y están programadas para devengar el 15 de agosto de 2026, representando 3.810 acciones adicionales. Tras la entrega de las RSU devengadas, la persona informante poseía beneficiariamente 5.023 acciones ordinarias de Mesa Laboratories. El Formulario 4 fue presentado por una sola persona informante que figura como director. La presentación fue firmada por poder el 15 de agosto de 2025.

Shiraz Ladiwala� Mesa Laboratories� 이사로서 제한부 주식단위(RSU) 취득분을 수령했으� 보통주를 보유하고 있습니다. 2025� 8� 15일에 1,949 RSU가 베스�(권리확정)되어 취득� 것으� 보고되었으며, 주당 $0� 1,949주가 전달되었습니�. 또한 동일� 날짜� 부여된 3,810 RSU� 아직 베스팅되지 않았으며 2026� 8� 15일에 베스팅될 예정으로 추가 3,810주에 해당합니�. 베스팅된 주식� 전달� � 보고자는 Mesa Laboratories 보통주를 5,023�� 실질� 소유자로 보유하고 있었습니�. Form 4� � 명의 보고자가 제출했으� 해당 보고자는 이사� 기재되어 있습니다. 해당 서류� 2025� 8� 15� 위임장으� 서명되었습니�.

Shiraz Ladiwala, administrateur de Mesa Laboratories, a perçu des unités d'actions restreintes (RSU) et détient des actions ordinaires. Le 15 août 2025, 1 949 RSU ont acquis des droits et ont été signalées comme acquises, entraînant la remise de 1 949 actions à 0 $ par action. De plus, 3 810 RSU attribuées à la même date restent non acquises et sont prévues pour acquérir le 15 août 2026, représentant 3 810 actions supplémentaires. Après la livraison des RSU acquises, la personne déclarante détenait à titre bénéficiaire 5 023 actions ordinaires de Mesa Laboratories. Le formulaire 4 a été déposé par une seule personne déclarante, qui est indiquée en tant qu'administrateur. Le dépôt a été signé par procuration le 15 août 2025.

Shiraz Ladiwala, ein Direktor von Mesa Laboratories, erhielt Restricted Stock Units (RSUs) und hält Stammaktien. Am 15. August 2025 wurden 1.949 RSUs fällig und als erworben gemeldet; dabei wurden 1.949 Aktien zu $0 pro Aktie geliefert. Zusätzlich sind 3.810 RSUs, die am selben Datum gewährt wurden, noch nicht vestiert und sollen am 15. August 2026 vesten, was weitere 3.810 Aktien darstellt. Nach der Lieferung der vested RSUs besaß die meldende Person wirtschaftlich 5.023 Aktien von Mesa Laboratories. Das Formular 4 wurde von einer meldenden Person eingereicht, die als Direktor aufgeführt ist. Die Einreichung wurde am 15. August 2025 per Vollmacht unterzeichnet.

Positive
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Insights

TL;DR: Routine insider vesting resulted in 1,949 shares delivered and 3,810 RSUs remaining unvested; no sale or external transaction noted.

The filing documents standard equity compensation activity: 1,949 restricted stock units vested and were converted into shares at no cost to the director, raising beneficial ownership to 5,023 shares. A separate grant of 3,810 RSUs remains subject to future vesting on 08/15/2026. There is no cash transaction, sale, or transfer that would signal immediate liquidity or diversification by the insider. From an investor-impact perspective, this is a routine disclosure of compensation-related share issuance rather than a market-moving event.

TL;DR: This Form 4 reports scheduled equity compensation vesting for a director; it aligns with typical executive/board award schedules.

The report indicates compliance with Section 16 reporting: vested RSUs converted to 1,949 shares and an additional 3,810 RSUs remain outstanding with a one-year vesting horizon. The director is identified and the form was executed via power of attorney. There are no indications of unusual timing, accelerated vesting, or related-party transactions disclosed here. Governance implications are limited as this reflects standard equity compensation administration.

Shiraz Ladiwala, membro del consiglio di amministrazione di Mesa Laboratories, ha maturato unità azionarie soggette a restrizioni e detiene azioni ordinarie. Il 15 agosto 2025 sono 1.949 RSU maturate e segnalate come acquisite, corrispondenti alla consegna di 1.949 azioni a $0 per azione. Inoltre, 3.810 RSU concesse in quella stessa data risultano non ancora maturate e sono previste maturare il 15 agosto 2026, rappresentando ulteriori 3.810 azioni. Dopo la consegna delle RSU maturate, la persona segnalante possedeva beneficiariamente 5.023 azioni ordinarie di Mesa Laboratories. Il Modulo 4 è stato presentato da un unico dichiarante che figura come direttore. La dichiarazione è stata firmata con procura il 15 agosto 2025.

Shiraz Ladiwala, director de Mesa Laboratories, recibió adjudicaciones de unidades de acciones restringidas y posee acciones ordinarias. El 15 de agosto de 2025 1.949 RSU vencieron y se informaron como adquiridas, entregándose 1.949 acciones a $0 por acción. Además, 3.810 RSU concedidas en la misma fecha permanecen no devengadas y están programadas para devengar el 15 de agosto de 2026, representando 3.810 acciones adicionales. Tras la entrega de las RSU devengadas, la persona informante poseía beneficiariamente 5.023 acciones ordinarias de Mesa Laboratories. El Formulario 4 fue presentado por una sola persona informante que figura como director. La presentación fue firmada por poder el 15 de agosto de 2025.

Shiraz Ladiwala� Mesa Laboratories� 이사로서 제한부 주식단위(RSU) 취득분을 수령했으� 보통주를 보유하고 있습니다. 2025� 8� 15일에 1,949 RSU가 베스�(권리확정)되어 취득� 것으� 보고되었으며, 주당 $0� 1,949주가 전달되었습니�. 또한 동일� 날짜� 부여된 3,810 RSU� 아직 베스팅되지 않았으며 2026� 8� 15일에 베스팅될 예정으로 추가 3,810주에 해당합니�. 베스팅된 주식� 전달� � 보고자는 Mesa Laboratories 보통주를 5,023�� 실질� 소유자로 보유하고 있었습니�. Form 4� � 명의 보고자가 제출했으� 해당 보고자는 이사� 기재되어 있습니다. 해당 서류� 2025� 8� 15� 위임장으� 서명되었습니�.

Shiraz Ladiwala, administrateur de Mesa Laboratories, a perçu des unités d'actions restreintes (RSU) et détient des actions ordinaires. Le 15 août 2025, 1 949 RSU ont acquis des droits et ont été signalées comme acquises, entraînant la remise de 1 949 actions à 0 $ par action. De plus, 3 810 RSU attribuées à la même date restent non acquises et sont prévues pour acquérir le 15 août 2026, représentant 3 810 actions supplémentaires. Après la livraison des RSU acquises, la personne déclarante détenait à titre bénéficiaire 5 023 actions ordinaires de Mesa Laboratories. Le formulaire 4 a été déposé par une seule personne déclarante, qui est indiquée en tant qu'administrateur. Le dépôt a été signé par procuration le 15 août 2025.

Shiraz Ladiwala, ein Direktor von Mesa Laboratories, erhielt Restricted Stock Units (RSUs) und hält Stammaktien. Am 15. August 2025 wurden 1.949 RSUs fällig und als erworben gemeldet; dabei wurden 1.949 Aktien zu $0 pro Aktie geliefert. Zusätzlich sind 3.810 RSUs, die am selben Datum gewährt wurden, noch nicht vestiert und sollen am 15. August 2026 vesten, was weitere 3.810 Aktien darstellt. Nach der Lieferung der vested RSUs besaß die meldende Person wirtschaftlich 5.023 Aktien von Mesa Laboratories. Das Formular 4 wurde von einer meldenden Person eingereicht, die als Direktor aufgeführt ist. Die Einreichung wurde am 15. August 2025 per Vollmacht unterzeichnet.

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
Estimated average burden
hours per response: 0.5
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*
Ladiwala Shiraz Shabanali

(Last) (First) (Middle)
C/O THERMO FISHER SCIENTIFIC INC.
168 THIRD AVENUE

(Street)
WALTHAM MA 02451

(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)
08/18/2025
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 1,949 A $0 5,023 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 - 5 (1) 08/15/2025 M 1,949 (2) (3) Common Stock 1,949 $0 0 D
Restricted Stock Units - 6 (1) 08/15/2025 A 3,810 (4) (3) Common Stock 3,810 $0 3,810 D
Explanation of Responses:
1. Each RSU represents a contingent right to receive one 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 Shiraz Ladiwala 08/15/2025
** 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 insider activity did the Form 4 report for Mesa Laboratories (MLAB)?

The Form 4 reports that director Shiraz Ladiwala had 1,949 RSUs vest on 08/15/2025, which were converted to shares, and holds an additional 3,810 RSUs scheduled to vest on 08/15/2026.

How many Mesa Laboratories shares does the reporting person beneficially own after the transaction?

Following the reported delivery of vested RSUs, the reporting person beneficially owned 5,023 shares of common stock.

Was there a sale or purchase involving cash in this Form 4 filing for MLAB?

No. The filing shows RSUs vesting and delivery of shares at a reported price of $0; there is no cash purchase or sale reported.

When are the unvested RSUs scheduled to vest according to the filing?

The additional 3,810 RSUs are scheduled to vest on 08/15/2026.

Who signed the Form 4 for the reporting person?

The Form 4 was signed under power of attorney by John Sakys on behalf of Shiraz Ladiwala on 08/15/2025.
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Scientific & Technical Instruments
Industrial Instruments for Measurement, Display, and Control
United States
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