Last 12 months
Inside the activity.
5 purchase rows · 7 sale rows
Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.Monthly counts
| Month | Purchases | Sales |
|---|---|---|
| Nov 2025 | 0 | 0 |
| Dec 2025 | 0 | 0 |
| Jan 2026 | 0 | 0 |
| Feb 2026 | 0 | 0 |
| Mar 2026 | 3 | 0 |
| Apr 2026 | 0 | 0 |
| May 2026 | 0 | 0 |
| Jun 2026 | 0 | 6 |
| Jul 2026 | 0 | 0 |
| Aug 2026 | 2 | 1 |
| Sep 2026 | 0 | 0 |
| Oct 2026 | 0 | 0 |
Latest available
Insider transactions
Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”
The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.
| Transaction date | Owner / reported role | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| September 09, 2026 Filed Sep 11, 2026 18:13 UTC |
Capone Mark ChristopherDirector
|
GrantRestricted Stock Units - 4 · Derivative | 2,423 | $0.00 | $0.00 |
DisclosureSEC source: 0000724004-26-000097 · primary_doc.xml · derivative · entry 1 Capone Mark Christopher · CIK 0001352413 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 2,423 Underlying: Common Stock · 2,423 shares Expires not disclosed F1 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Common Stock F2 · derivative.exercise_date: RSUs that vest on September 9, 2027 F3 · derivative.expiration_date: Not Applicable Read SEC document |
| September 09, 2026 Filed Sep 11, 2026 18:09 UTC |
Ladiwala Shiraz ShabanaliDirector
|
GrantRestricted Stock Units - 7 · Derivative | 2,510 | $0.00 | $0.00 |
DisclosureSEC source: 0000724004-26-000096 · primary_doc.xml · derivative · entry 1 Ladiwala Shiraz Shabanali · CIK 0001715573 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 2,510 Underlying: Common Stock · 2,510 shares Expires not disclosed F1 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock F2 · derivative.exercise_date: RSUs that vest on September 9, 2027 F3 · derivative.expiration_date: Not Applicable Read SEC document |
| September 09, 2026 Filed Sep 11, 2026 17:57 UTC |
Hall ShannonDirector
|
GrantRestricted Stock Units - 9 · Derivative | 1,774 | $0.00 | $0.00 |
DisclosureSEC source: 0000724004-26-000094 · primary_doc.xml · derivative · entry 1 Hall Shannon · CIK 0001621222 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,774 Underlying: Common Stock · 1,774 shares Expires not disclosed F1 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock F2 · derivative.exercise_date: RSUs that vest on September 9, 2027 F3 · derivative.expiration_date: Not Applicable Read SEC document |
| September 09, 2026 Filed Sep 11, 2026 17:42 UTC |
Sullivan John JamesDirector
|
GrantRestricted Stock Units - 11 · Derivative | 1,774 | $0.00 | $0.00 |
DisclosureSEC source: 0000724004-26-000093 · primary_doc.xml · derivative · entry 1 Sullivan John James · CIK 0001305784 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,774 Underlying: Common Stock · 1,774 shares Expires not disclosed F1 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock F2 · derivative.exercise_date: RSUs that vest September 9, 2027 F3 · derivative.expiration_date: Not Applicable Read SEC document |
| September 09, 2026 Filed Sep 11, 2026 17:34 UTC |
Tripeny R TonyDirector
|
GrantRestricted Stock Units - 5 · Derivative | 1,774 | $0.00 | $0.00 |
DisclosureSEC source: 0000724004-26-000092 · primary_doc.xml · derivative · entry 1 Tripeny R Tony · CIK 0001339381 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,774 Underlying: Common Stock · 1,774 shares Expires not disclosed F1 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock F3 · derivative.exercise_date: RSUs that vest September 9, 2027 F2 · derivative.expiration_date: Not Applicable Read SEC document |
| August 15, 2026 Filed Aug 17, 2026 23:40 UTC |
Capone Mark ChristopherDirector
|
Exercise / conversionRestricted Stock Units - 3 · Derivative | 2,784 | $0.00 | $0.00 |
DisclosureSEC source: 0000724004-26-000091 · primary_doc.xml · derivative · entry 2 Capone Mark Christopher · CIK 0001352413 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 2,784 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock F2 · derivative.exercise_date: RSUs that vested on August 15, 2026 F3 · derivative.expiration_date: Not Applicable Read SEC document |
| August 15, 2026 Filed Aug 17, 2026 23:40 UTC |
Capone Mark ChristopherDirector
|
Exercise / conversionCommon Stock | 2,784 | $0.00 | $0.00 |
DisclosureSEC source: 0000724004-26-000091 · primary_doc.xml · nonDerivative · entry 1 Capone Mark Christopher · CIK 0001352413 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 6,213 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| August 15, 2026 Filed Aug 17, 2026 23:32 UTC |
Alltoft Jennifer SadieDirector
|
Exercise / conversionRestricted Stock Units - 9 · Derivative | 2,784 | $0.00 | $0.00 |
DisclosureSEC source: 0000724004-26-000090 · primary_doc.xml · derivative · entry 2 Alltoft Jennifer Sadie · CIK 0001769053 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 2,784 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock F2 · derivative.exercise_date: RSUs that vested on August 15, 2026 F3 · derivative.expiration_date: Not Applicable Read SEC document |
| August 15, 2026 Filed Aug 17, 2026 23:32 UTC |
Alltoft Jennifer SadieDirector
|
Exercise / conversionCommon Stock | 2,784 | $0.00 | $0.00 |
DisclosureSEC source: 0000724004-26-000090 · primary_doc.xml · nonDerivative · entry 1 Alltoft Jennifer Sadie · CIK 0001769053 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 7,662 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| August 15, 2026 Filed Aug 17, 2026 21:55 UTC |
Ladiwala Shiraz ShabanaliDirector
|
Exercise / conversionRestricted Stock Units - 6 · Derivative | 3,810 | $0.00 | $0.00 |
DisclosureSEC source: 0000724004-26-000089 · primary_doc.xml · derivative · entry 2 Ladiwala Shiraz Shabanali · CIK 0001715573 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 3,810 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock F2 · derivative.exercise_date: RSUs that vested on August 15, 2026 F3 · derivative.expiration_date: Not Applicable Read SEC document |
| August 15, 2026 Filed Aug 17, 2026 21:55 UTC |
Ladiwala Shiraz ShabanaliDirector
|
Exercise / conversionCommon Stock | 3,810 | $0.00 | $0.00 |
DisclosureSEC source: 0000724004-26-000089 · primary_doc.xml · nonDerivative · entry 1 Ladiwala Shiraz Shabanali · CIK 0001715573 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 12,333 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| August 15, 2026 Filed Aug 17, 2026 21:46 UTC |
Hall ShannonDirector
|
Exercise / conversionRestricted Stock Units - 8 · Derivative | 2,784 | $0.00 | $0.00 |
DisclosureSEC source: 0000724004-26-000088 · primary_doc.xml · derivative · entry 2 Hall Shannon · CIK 0001621222 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 2,784 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock F2 · derivative.exercise_date: RSUs that vested on August 15, 2026 F3 · derivative.expiration_date: Not Applicable Read SEC document |
| August 15, 2026 Filed Aug 17, 2026 21:46 UTC |
Hall ShannonDirector
|
Exercise / conversionCommon Stock | 2,784 | $0.00 | $0.00 |
DisclosureSEC source: 0000724004-26-000088 · primary_doc.xml · nonDerivative · entry 1 Hall Shannon · CIK 0001621222 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 6,973 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| August 15, 2026 Filed Aug 17, 2026 21:30 UTC |
Tripeny R TonyDirector
|
Exercise / conversionRestricted Stock Units - 4 · Derivative | 2,784 | $0.00 | $0.00 |
DisclosureSEC source: 0000724004-26-000087 · primary_doc.xml · derivative · entry 2 Tripeny R Tony · CIK 0001339381 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 2,784 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock F2 · derivative.exercise_date: RSUs that vested on August 15, 2026 F3 · derivative.expiration_date: Not Applicable Read SEC document |
| August 15, 2026 Filed Aug 17, 2026 21:30 UTC |
Tripeny R TonyDirector
|
Exercise / conversionCommon Stock | 2,784 | $0.00 | $0.00 |
DisclosureSEC source: 0000724004-26-000087 · primary_doc.xml · nonDerivative · entry 1 Tripeny R Tony · CIK 0001339381 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 9,082 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| August 15, 2026 Filed Aug 17, 2026 21:01 UTC |
Sullivan John JamesDirector
|
Exercise / conversionRestricted Stock Units - 10 · Derivative | 2,784 | $0.00 | $0.00 |
DisclosureSEC source: 0000724004-26-000086 · primary_doc.xml · derivative · entry 3 Sullivan John James · CIK 0001305784 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 2,784 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock F4 · derivative.exercise_date: RSUs that vested on August 15, 2026 F3 · derivative.expiration_date: Not Applicable Read SEC document |
| August 15, 2026 Filed Aug 17, 2026 21:01 UTC |
Sullivan John JamesDirector
|
Exercise / conversionCommon Stock | 2,784 | $0.00 | $0.00 |
DisclosureSEC source: 0000724004-26-000086 · primary_doc.xml · nonDerivative · entry 1 Sullivan John James · CIK 0001305784 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 20,618 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| August 13, 2026 Filed Aug 17, 2026 16:18 UTC |
Sullivan John JamesDirector
|
SaleCommon Stock | 7,093 | $112.80 | $800,090.40 |
DisclosureSEC source: 0000724004-26-000085 · primary_doc.xml · nonDerivative · entry 1 Sullivan John James · CIK 0001305784 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 17,834 F1 · kind: Represents shares sold directly in a private transaction to Siddhartha Kadia, Mesa President and CEO Read SEC document |
| August 13, 2026 Filed Aug 17, 2026 15:49 UTC |
Kadia SiddharthaPresident and CEO
|
PurchaseCommon Stock | 7,093 | $112.80 | $800,090.40 |
DisclosureSEC source: 0000724004-26-000084 · primary_doc.xml · nonDerivative · entry 1 Kadia Siddhartha · CIK 0001573666 · President and CEO 10b5-1 filing: No plan indicated Ownership: Indirect · By Trust Disclosed balance after: 7,093 F1 · kind: Represents shares purchased directly in a private transaction from John Sullivan, Mesa Board Chair by the Anjou Parekh Lifetime Access Trust for which the reporting person's spouse serves as trustee. F2 · ownership.nature: Represents shares held by the Anjou Parekh Lifetime Access Trust for which the reporting person's spouse serves as trustee. The reporting person disclaims beneficial ownership of the securities held by the trust except to the extent of his pecuniary interest therein. Read SEC document |
| August 13, 2026 Filed Aug 17, 2026 15:27 UTC |
Tripeny R TonyDirector
|
PurchaseCommon Stock | 900 | $113.69 | $102,321.00 |
DisclosureSEC source: 0000724004-26-000083 · primary_doc.xml · nonDerivative · entry 1 Tripeny R Tony · CIK 0001339381 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 6,298 Read SEC document |
| June 22, 2026 Filed Jun 23, 2026 17:34 UTC | SaleCommon Stock | 442 | $89.50 | $39,559.88 |
DisclosureSEC source: 0000724004-26-000065 · primary_doc.xml · nonDerivative · entry 5 Crennen Lyndsey Elizabeth · CIK 0002140665 · CAO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 2,020 F7 · shares: Shares sold to cover taxes related to the vesting of RSUs and PSUs on June 18, 2026. Transaction was executed under a 10b-1 plan. Read SEC document |
|
| June 22, 2026 Filed Jun 23, 2026 17:02 UTC |
Archbold Brian DavidSVP Operations
|
SaleCommon Stock | 2,516 | $89.50 | $225,187.03 |
DisclosureSEC source: 0000724004-26-000064 · primary_doc.xml · nonDerivative · entry 4 Archbold Brian David · CIK 0001776947 · SVP Operations 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 6,377 Read SEC document |
| June 22, 2026 Filed Jun 23, 2026 16:23 UTC |
Sakys JohnCFO
|
SaleCommon Stock | 2,827 | $89.50 | $253,022.15 |
DisclosureSEC source: 0000724004-26-000063 · primary_doc.xml · nonDerivative · entry 4 Sakys John · CIK 0001197710 · CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 19,785 F6 · shares: Shares sold to cover taxes related to the vesting of RSUs and PSUs on June 18, 2026. Transaction was executed under a 10b5-1 plan. Read SEC document |
| June 18, 2026 Filed Jun 23, 2026 17:34 UTC | Exercise / conversionRestricted Stock Units - 3 · Derivative | 368 | $0.00 | $0.00 |
DisclosureSEC source: 0000724004-26-000065 · primary_doc.xml · derivative · entry 8 Crennen Lyndsey Elizabeth · CIK 0002140665 · CAO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 367 Underlying: Common Stock · 368 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock F5 · derivative.exercise_date: RSUs that vest 1/3 on June 19, 2025 and each of the next 2 anniversary dates F3 · derivative.expiration_date: Not Applicable Read SEC document |
|
| June 18, 2026 Filed Jun 23, 2026 17:34 UTC | Exercise / conversionRestricted Stock Units - 2 · Derivative | 233 | $0.00 | $0.00 |
DisclosureSEC source: 0000724004-26-000065 · primary_doc.xml · derivative · entry 7 Crennen Lyndsey Elizabeth · CIK 0002140665 · CAO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 232 Underlying: Common Stock · 233 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock F4 · derivative.exercise_date: RSUs that vest 1/3 on June 18, 2025 and each of the next two anniversary dates F3 · derivative.expiration_date: Not Applicable Read SEC document |
|
| June 18, 2026 Filed Jun 23, 2026 17:34 UTC | Exercise / conversionRestricted Stock Unit - 1 · Derivative | 125 | $0.00 | $0.00 |
DisclosureSEC source: 0000724004-26-000065 · primary_doc.xml · derivative · entry 6 Crennen Lyndsey Elizabeth · CIK 0002140665 · CAO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 125 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock F2 · derivative.exercise_date: RSUs that vested 1/3 on June 21, 2024 and each of the next two anniversary dates F3 · derivative.expiration_date: Not Applicable Read SEC document |
|
| June 18, 2026 Filed Jun 23, 2026 17:34 UTC | GrantCommon Stock | 263 | $95.10 | $25,011.30 |
DisclosureSEC source: 0000724004-26-000065 · primary_doc.xml · nonDerivative · entry 4 Crennen Lyndsey Elizabeth · CIK 0002140665 · CAO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 2,462 F6 · shares: Shares represent common stock of Mesa Labs issued upon release of performance share units issued under the FY24-FY26 performance share unit program Read SEC document |
|
| June 18, 2026 Filed Jun 23, 2026 17:34 UTC | Exercise / conversionCommon Stock | 368 | $95.10 | $34,996.80 |
DisclosureSEC source: 0000724004-26-000065 · primary_doc.xml · nonDerivative · entry 3 Crennen Lyndsey Elizabeth · CIK 0002140665 · CAO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 2,199 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
|
| June 18, 2026 Filed Jun 23, 2026 17:34 UTC | Exercise / conversionCommon Stock | 233 | $95.10 | $22,158.30 |
DisclosureSEC source: 0000724004-26-000065 · primary_doc.xml · nonDerivative · entry 2 Crennen Lyndsey Elizabeth · CIK 0002140665 · CAO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,831 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
|
| June 18, 2026 Filed Jun 23, 2026 17:34 UTC | Exercise / conversionCommon Stock | 125 | $95.10 | $11,887.50 |
DisclosureSEC source: 0000724004-26-000065 · primary_doc.xml · nonDerivative · entry 1 Crennen Lyndsey Elizabeth · CIK 0002140665 · CAO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,598 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
|
| June 18, 2026 Filed Jun 23, 2026 17:02 UTC |
Archbold Brian DavidSVP Operations
|
Exercise / conversionRestricted Stock Units - 8 · Derivative | 2,480 | $0.00 | $0.00 |
DisclosureSEC source: 0000724004-26-000064 · primary_doc.xml · derivative · entry 6 Archbold Brian David · CIK 0001776947 · SVP Operations 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 2,480 Underlying: Common Stock · 2,480 shares Expires 2025-06-18 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock F3 · derivative.exercise_date: Not Applicable F4 · derivative.expiration_date: RSUs that vest 1/3 on June 15, 2026 and each of the next 2 anniversary dates Read SEC document |
| June 18, 2026 Filed Jun 23, 2026 17:02 UTC |
Archbold Brian DavidSVP Operations
|
Exercise / conversionRestricted Stock Units - 7 · Derivative | 844 | $0.00 | $0.00 |
DisclosureSEC source: 0000724004-26-000064 · primary_doc.xml · derivative · entry 5 Archbold Brian David · CIK 0001776947 · SVP Operations 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 844 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock F2 · derivative.exercise_date: RSUs that vested June 21, 2024 and each of the next two anniversary dates F3 · derivative.expiration_date: Not Applicable Read SEC document |
| June 18, 2026 Filed Jun 23, 2026 17:02 UTC |
Archbold Brian DavidSVP Operations
|
GrantCommon Stock | 1,859 | $95.10 | $176,790.90 |
DisclosureSEC source: 0000724004-26-000064 · primary_doc.xml · nonDerivative · entry 3 Archbold Brian David · CIK 0001776947 · SVP Operations 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 8,893 F5 · shares: Shares represent common stock of Mesa Labs issued upon release of performance share units issued under the FY24-FY26 performance share unit program Read SEC document |
| June 18, 2026 Filed Jun 23, 2026 17:02 UTC |
Archbold Brian DavidSVP Operations
|
Exercise / conversionCommon Stock | 2,480 | $95.10 | $235,848.00 |
DisclosureSEC source: 0000724004-26-000064 · primary_doc.xml · nonDerivative · entry 2 Archbold Brian David · CIK 0001776947 · SVP Operations 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 7,034 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| June 18, 2026 Filed Jun 23, 2026 17:02 UTC |
Archbold Brian DavidSVP Operations
|
Exercise / conversionCommon Stock | 844 | $95.10 | $80,264.40 |
DisclosureSEC source: 0000724004-26-000064 · primary_doc.xml · nonDerivative · entry 1 Archbold Brian David · CIK 0001776947 · SVP Operations 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 4,554 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| June 18, 2026 Filed Jun 23, 2026 16:23 UTC |
Sakys JohnCFO
|
Exercise / conversionRestricted Stock Units - 7 · Derivative | 2,756 | $0.00 | $0.00 |
DisclosureSEC source: 0000724004-26-000063 · primary_doc.xml · derivative · entry 7 Sakys John · CIK 0001197710 · CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 2,755 Underlying: Common Stock · 2,756 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock. F4 · derivative.exercise_date: RSUs that vest 1/3 on June 15, 2026 and each of the next 2 anniversary dates F3 · derivative.expiration_date: Not Applicable Read SEC document |
| June 18, 2026 Filed Jun 23, 2026 16:23 UTC |
Sakys JohnCFO
|
Exercise / conversionRestricted Stock Units - 6 · Derivative | 1,036 | $0.00 | $0.00 |
DisclosureSEC source: 0000724004-26-000063 · primary_doc.xml · derivative · entry 6 Sakys John · CIK 0001197710 · CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 1,036 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock. F2 · derivative.exercise_date: RSUs that vested June 21, 2024 and each of the next two anniversary dates F3 · derivative.expiration_date: Not Applicable Read SEC document |
| June 18, 2026 Filed Jun 23, 2026 16:23 UTC |
Sakys JohnCFO
|
GrantCommon Stock | 2,282 | $95.10 | $217,018.20 |
DisclosureSEC source: 0000724004-26-000063 · primary_doc.xml · nonDerivative · entry 3 Sakys John · CIK 0001197710 · CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 22,612 F5 · shares: Shares represent common stock of Mesa Labs issued upon release of performance share units issued under the FY24-FY26 performance share unit program Read SEC document |
| June 18, 2026 Filed Jun 23, 2026 16:23 UTC |
Sakys JohnCFO
|
Exercise / conversionCommon Stock | 2,756 | $95.10 | $262,095.60 |
DisclosureSEC source: 0000724004-26-000063 · primary_doc.xml · nonDerivative · entry 2 Sakys John · CIK 0001197710 · CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 20,330 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| June 18, 2026 Filed Jun 23, 2026 16:23 UTC |
Sakys JohnCFO
|
Exercise / conversionCommon Stock | 1,036 | $95.10 | $98,523.60 |
DisclosureSEC source: 0000724004-26-000063 · primary_doc.xml · nonDerivative · entry 1 Sakys John · CIK 0001197710 · CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 17,574 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| June 16, 2026 Filed Jun 17, 2026 16:23 UTC |
Archbold Brian DavidSVP Operations
|
SaleCommon Stock | 1,151 | $101.27 | $116,558.32 |
DisclosureSEC source: 0000724004-26-000062 · primary_doc.xml · nonDerivative · entry 1 Archbold Brian David · CIK 0001776947 · SVP Operations 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 3,710 Read SEC document |
| June 16, 2026 Filed Jun 17, 2026 16:19 UTC | SaleCommon Stock | 118 | $101.27 | $11,949.51 |
DisclosureSEC source: 0000724004-26-000061 · primary_doc.xml · nonDerivative · entry 1 Crennen Lyndsey Elizabeth · CIK 0002140665 · CAO 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 1,473 F1 · shares: Shares sold to cover taxes due on RSU which vested on June 15, 2026 Read SEC document |
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| June 16, 2026 Filed Jun 17, 2026 16:09 UTC |
Sakys JohnCFO
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SaleCommon Stock | 1,223 | $101.27 | $123,849.54 |
DisclosureSEC source: 0000724004-26-000060 · primary_doc.xml · nonDerivative · entry 1 Sakys John · CIK 0001197710 · CFO 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 16,538 F1 · shares: Shares sold to cover taxes related to the vesting of RSUs on June 15, 2026 Read SEC document |
| June 15, 2026 Filed Jun 16, 2026 18:44 UTC |
Archbold Brian DavidSVP Operations
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GrantRestricted Stock Units - 10 · Derivative | 4,328 | $0.00 | $0.00 |
DisclosureSEC source: 0000724004-26-000058 · primary_doc.xml · derivative · entry 4 Archbold Brian David · CIK 0001776947 · SVP Operations 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 4,328 Underlying: Common Stock · 4,328 shares Expires not disclosed F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock F5 · derivative.exercise_date: RSUs that vest 34% on June 15, 2027, 33% on June 8, 2028 and 33% on June 8 2029 F4 · derivative.expiration_date: Not Applicable Read SEC document |
| June 15, 2026 Filed Jun 16, 2026 18:44 UTC |
Archbold Brian DavidSVP Operations
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Exercise / conversionRestricted Stock Units - 9 · Derivative | 2,454 | $0.00 | $0.00 |
DisclosureSEC source: 0000724004-26-000058 · primary_doc.xml · derivative · entry 3 Archbold Brian David · CIK 0001776947 · SVP Operations 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 4,892 Underlying: Common Stock · 2,454 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock F3 · derivative.exercise_date: RSUs that vest 1/3 on June 15, 2026 and each of the next two anniversary dates F4 · derivative.expiration_date: Not Applicable Read SEC document |
| June 15, 2026 Filed Jun 16, 2026 18:44 UTC |
Archbold Brian DavidSVP Operations
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OtherNon Qualified Stock Options · Derivative | 1,780 | $0.00 Strike: $226.72 | $0.00 |
DisclosureSEC source: 0000724004-26-000058 · primary_doc.xml · derivative · entry 2 Archbold Brian David · CIK 0001776947 · SVP Operations 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 11,852 Underlying: Common Stock · 1,780 shares Expires 2026-06-15 F1 · derivative.exercise_date: NSOs that vested 1/3 on each anniversary date of the June 15, 2020 grant date Read SEC document |
| June 15, 2026 Filed Jun 16, 2026 18:44 UTC |
Archbold Brian DavidSVP Operations
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Exercise / conversionCommon Stock | 2,454 | $104.08 | $255,412.32 |
DisclosureSEC source: 0000724004-26-000058 · primary_doc.xml · nonDerivative · entry 1 Archbold Brian David · CIK 0001776947 · SVP Operations 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 4,861 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| June 15, 2026 Filed Jun 16, 2026 18:15 UTC |
Sakys JohnCFO
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GrantRestricted Stock Units - 9 · Derivative | 8,416 | $0.00 | $0.00 |
DisclosureSEC source: 0000724004-26-000057 · primary_doc.xml · derivative · entry 5 Sakys John · CIK 0001197710 · CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 8,416 Underlying: Common Stock · 8,416 shares Expires not disclosed F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock F5 · derivative.exercise_date: RSUs that vest 34% on June 15, 2027, 33% on June 8, 2028 and 33% on June 8, 2029 F4 · derivative.expiration_date: Not Applicable Read SEC document |
| June 15, 2026 Filed Jun 16, 2026 18:15 UTC |
Sakys JohnCFO
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Exercise / conversionRestricted Stock Units 8 · Derivative | 2,717 | $0.00 | $0.00 |
DisclosureSEC source: 0000724004-26-000057 · primary_doc.xml · derivative · entry 4 Sakys John · CIK 0001197710 · CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 5,416 Underlying: Common Stock · 2,717 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock F3 · derivative.exercise_date: RSUs that vest 1/3 on June 15, 2026 and each of the next two anniversary dates F4 · derivative.expiration_date: Not Applicable Read SEC document |
| June 15, 2026 Filed Jun 16, 2026 18:15 UTC |
Sakys JohnCFO
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OtherNon Qualified Stock Option · Derivative | 3,951 | $0.00 Strike: $226.72 | $0.00 |
DisclosureSEC source: 0000724004-26-000057 · primary_doc.xml · derivative · entry 3 Sakys John · CIK 0001197710 · CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 15,755 Underlying: Common Stock · 3,951 shares Expires 2026-06-15 F1 · derivative.exercise_date: NSOs that vested 1/3 on each anniversary date of the June 15, 2020 grant date Read SEC document |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.