STOCK TITAN

[Form 4] Mesa Laboratories Inc Insider Trading Activity

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

John James Sullivan, a director of Mesa Laboratories, reported transactions dated 08/15/2025 related to his company equity awards and holdings. The filing shows 1,404 restricted stock units (RSUs) vested and were converted into 1,404 shares with a reported price of $0, increasing his direct common stock holdings to 27,282 shares. The report also records an additional grant of 2,784 RSUs that vest on 08/15/2026 and are reported as 2,784 shares of direct beneficial ownership once settled. Separately, 44,780 shares are held indirectly via a spousal lifetime access trust. All transactions were reported on Form 4 and appear to be routine equity compensation activity by an insider.

John James Sullivan, membro del consiglio di amministrazione di Mesa Laboratories, ha riportato operazioni datate 15/08/2025 relative a premi azionari e partecipazioni nella società. La comunicazione indica che 1.404 unità di azioni vincolate (RSU) sono maturate e sono state convertite in 1.404 azioni a un prezzo dichiarato di $0, portando la sua detenzione diretta di azioni ordinarie a 27.282 azioni. Il rapporto registra inoltre una nuova assegnazione di 2.784 RSU che matureranno il 15/08/2026 e saranno considerate 2.784 azioni di proprietà diretta una volta liquidate. Separatamente, 44.780 azioni sono possedute indirettamente tramite un trust di accesso vitale del coniuge. Tutte le operazioni sono state dichiarate nel Modulo 4 e appaiono come normali attività di compensazione azionaria da parte di un insider.

John James Sullivan, director de Mesa Laboratories, informó transacciones fechadas el 15/08/2025 relacionadas con sus recompensas y participaciones en acciones de la empresa. La presentación muestra que 1.404 unidades restringidas de acciones (RSU) vencieron y se convirtieron en 1.404 acciones con un precio reportado de $0, aumentando su tenencia directa de acciones ordinarias a 27.282 acciones. El informe también registra una adjudicación adicional de 2.784 RSU que vencerán el 15/08/2026 y se consignan como 2.784 acciones de propiedad directa una vez liquidadas. Por separado, 44.780 acciones se mantienen de forma indirecta a través de un fideicomiso de acceso vitalicio del cónyuge. Todas las transacciones se presentaron en el Formulario 4 y parecen ser actividad rutinaria de compensación accionaria de un insider.

Mesa Laboratories의 이사인 John James Sullivan은 2025-08-15자 회사 주식 보상 및 보유 관련 거래를 신고했습니다. 신고서에 따르면 1,404개의 제한주(RSU)가 성과되어 1,404주로 전환되었고 신고가액은 $0로 기재되어 그의 직접 보통주 보유량이 27,282주로 증가했습니다. 보고서에는 또한 2026-08-15에 성과될 예정인 2,784 RSU 추가 부여가 기록되어 있으며, 정산되면 2,784주의 직접적 실소유로 보고됩니다. 별도로 44,780주는 배우자 평생 접근 신탁을 통해 간접 보유 중입니다. 모든 거래는 Form 4에 보고되었으며 내부자의 통상적인 주식 보상 활동으로 보입니다.

John James Sullivan, administrateur de Mesa Laboratories, a déclaré des opérations datées du 15/08/2025 liées à ses attributions d'actions et participations dans la société. Le dossier indique que 1 404 unités d'actions restreintes (RSU) ont acquis droit et ont été converties en 1 404 actions au prix déclaré de 0 $, portant sa détention directe d'actions ordinaires à 27 282 actions. Le rapport enregistre également une attribution supplémentaire de 2 784 RSU qui deviendront acquises le 15/08/2026 et seront comptabilisées comme 2 784 actions de propriété directe une fois réglées. Par ailleurs, 44 780 actions sont détenues indirectement via une fiducie d'accès vital du conjoint. Toutes les opérations ont été déclarées sur le formulaire 4 et semblent constituer une activité courante de rémunération en actions d'un initié.

John James Sullivan, Direktor von Mesa Laboratories, meldete Transaktionen vom 15.08.2025 im Zusammenhang mit seinen Aktienzuwendungen und Beteiligungen am Unternehmen. Die Einreichung zeigt, dass 1.404 Restricted Stock Units (RSU) fällig wurden und in 1.404 Aktien umgewandelt wurden zu einem angegebenen Preis von $0, wodurch sein unmittelbarer Bestand an Stammaktien auf 27.282 Aktien anstieg. Der Bericht verzeichnet außerdem eine zusätzliche Zuteilung von 2.784 RSU, die am 15.08.2026 fällig werden und nach Abwicklung als 2.784 Aktien unmittelbaren wirtschaftlichen Eigentums ausgewiesen werden. Separat werden 44.780 Aktien indirekt über einen lebenslangen Zugriffstreuhandvertrag des Ehepartners gehalten. Alle Transaktionen wurden auf Formular 4 gemeldet und scheinen routinemäßige Aktienvergütungsmaßnahmen eines Insiders zu sein.

Positive
  • Director alignment: 1,404 vested RSUs converted to shares increasing the director's direct stake to 27,282 shares
  • Substantial indirect ownership: 44,780 shares held via a spousal lifetime access trust, indicating meaningful insider ownership
  • Forward-looking grants disclosed: 2,784 RSUs granted that vest on 08/15/2026, showing continued equity-based compensation
Negative
  • None.

Insights

TL;DR: Director received vested RSUs converted to 1,404 shares and owns substantial direct and trust-held stock; routine compensation, limited market impact.

The filing documents standard equity compensation activity: 1,404 RSUs vested and converted into shares on 08/15/2025 and an additional 2,784 RSUs granted that vest in 2026. The director holds 27,282 shares directly after the conversion and 44,780 shares indirectly via a spousal trust. No cash purchase price is reported for the vested RSUs, indicating settlement of awards rather than open-market buys. For investors, this is a routine insider ownership update rather than a material change to capital structure.

TL;DR: Insider reported routine equity award vesting and a future-vesting grant; aligns director interests with shareholders, not a governance red flag.

The Form 4 indicates customary compensation-driven ownership adjustments: vested RSUs converted to 1,404 shares and a separate award of 2,784 RSUs that vest next year. Indirect holdings via a spousal lifetime access trust amount to 44,780 shares, which is disclosed appropriately. There are no indications of problematic related-party transfers or unusual timing; disclosures appear complete for this transaction set.

John James Sullivan, membro del consiglio di amministrazione di Mesa Laboratories, ha riportato operazioni datate 15/08/2025 relative a premi azionari e partecipazioni nella società. La comunicazione indica che 1.404 unità di azioni vincolate (RSU) sono maturate e sono state convertite in 1.404 azioni a un prezzo dichiarato di $0, portando la sua detenzione diretta di azioni ordinarie a 27.282 azioni. Il rapporto registra inoltre una nuova assegnazione di 2.784 RSU che matureranno il 15/08/2026 e saranno considerate 2.784 azioni di proprietà diretta una volta liquidate. Separatamente, 44.780 azioni sono possedute indirettamente tramite un trust di accesso vitale del coniuge. Tutte le operazioni sono state dichiarate nel Modulo 4 e appaiono come normali attività di compensazione azionaria da parte di un insider.

John James Sullivan, director de Mesa Laboratories, informó transacciones fechadas el 15/08/2025 relacionadas con sus recompensas y participaciones en acciones de la empresa. La presentación muestra que 1.404 unidades restringidas de acciones (RSU) vencieron y se convirtieron en 1.404 acciones con un precio reportado de $0, aumentando su tenencia directa de acciones ordinarias a 27.282 acciones. El informe también registra una adjudicación adicional de 2.784 RSU que vencerán el 15/08/2026 y se consignan como 2.784 acciones de propiedad directa una vez liquidadas. Por separado, 44.780 acciones se mantienen de forma indirecta a través de un fideicomiso de acceso vitalicio del cónyuge. Todas las transacciones se presentaron en el Formulario 4 y parecen ser actividad rutinaria de compensación accionaria de un insider.

Mesa Laboratories의 이사인 John James Sullivan은 2025-08-15자 회사 주식 보상 및 보유 관련 거래를 신고했습니다. 신고서에 따르면 1,404개의 제한주(RSU)가 성과되어 1,404주로 전환되었고 신고가액은 $0로 기재되어 그의 직접 보통주 보유량이 27,282주로 증가했습니다. 보고서에는 또한 2026-08-15에 성과될 예정인 2,784 RSU 추가 부여가 기록되어 있으며, 정산되면 2,784주의 직접적 실소유로 보고됩니다. 별도로 44,780주는 배우자 평생 접근 신탁을 통해 간접 보유 중입니다. 모든 거래는 Form 4에 보고되었으며 내부자의 통상적인 주식 보상 활동으로 보입니다.

John James Sullivan, administrateur de Mesa Laboratories, a déclaré des opérations datées du 15/08/2025 liées à ses attributions d'actions et participations dans la société. Le dossier indique que 1 404 unités d'actions restreintes (RSU) ont acquis droit et ont été converties en 1 404 actions au prix déclaré de 0 $, portant sa détention directe d'actions ordinaires à 27 282 actions. Le rapport enregistre également une attribution supplémentaire de 2 784 RSU qui deviendront acquises le 15/08/2026 et seront comptabilisées comme 2 784 actions de propriété directe une fois réglées. Par ailleurs, 44 780 actions sont détenues indirectement via une fiducie d'accès vital du conjoint. Toutes les opérations ont été déclarées sur le formulaire 4 et semblent constituer une activité courante de rémunération en actions d'un initié.

John James Sullivan, Direktor von Mesa Laboratories, meldete Transaktionen vom 15.08.2025 im Zusammenhang mit seinen Aktienzuwendungen und Beteiligungen am Unternehmen. Die Einreichung zeigt, dass 1.404 Restricted Stock Units (RSU) fällig wurden und in 1.404 Aktien umgewandelt wurden zu einem angegebenen Preis von $0, wodurch sein unmittelbarer Bestand an Stammaktien auf 27.282 Aktien anstieg. Der Bericht verzeichnet außerdem eine zusätzliche Zuteilung von 2.784 RSU, die am 15.08.2026 fällig werden und nach Abwicklung als 2.784 Aktien unmittelbaren wirtschaftlichen Eigentums ausgewiesen werden. Separat werden 44.780 Aktien indirekt über einen lebenslangen Zugriffstreuhandvertrag des Ehepartners gehalten. Alle Transaktionen wurden auf Formular 4 gemeldet und scheinen routinemäßige Aktienvergütungsmaßnahmen eines Insiders zu sein.

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*
Sullivan John James

(Last) (First) (Middle)
12100 W. 6TH AVENUE

(Street)
LAKEWOOD CO 80228

(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 27,282 D
Common Stock 44,780 I By Trust(5)
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 - 9 (1) 08/15/2025 M 1,404 (2) (3) Common Stock 1,404 $0 0 D
Restricted Stock Units - 10 (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 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
5. Represents shares held in a spousal lifetime access trust
John Sakys under Power of Attorney by John Sullivan 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 transactions did the Mesa Laboratories (MLAB) director report on 08/15/2025?

The director reported 1,404 RSUs vested and converted to 1,404 shares and a grant of 2,784 RSUs that vest on 08/15/2026.

How many Mesa Laboratories shares does John James Sullivan directly and indirectly own after the reported transactions?

After the transactions he directly owns 27,282 shares and indirectly holds 44,780 shares via a spousal lifetime access trust.

Was there any cash paid for the vested RSUs reported by the insider?

No cash price is reported for the vested RSUs; the filing lists a price of $0 for the converted RSUs.

Does the Form 4 indicate any unusual or non-routine transfers by the insider?

No; the filing describes routine vesting and a standard future-vesting grant and discloses indirect holdings via a trust.

When do the newly granted RSUs vest?

The granted 2,784 RSUs are scheduled to vest on 08/15/2026 according to the filing.
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Scientific & Technical Instruments
Industrial Instruments for Measurement, Display, and Control
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