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 |
|---|---|---|---|---|---|---|
| February 06, 2017 Filed Feb 7, 2017 22:50 UTC |
Adriance Glenn ECSMO
|
OtherIncentive Stock Option · Derivative | 199 | $0.00 Strike: $70.56 | $0.00 |
DisclosureSEC source: 0001228924-17-000001 · primary_doc.xml · derivative · entry 6 Adriance Glenn E · CIK 0001431535 · CSMO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 20,638 Underlying: Common Stock · 199 shares Expires 2023-04-01 F1 · derivative.exercise_date: 1/7 exercisable on each anniversary date Read SEC document |
| February 06, 2017 Filed Feb 7, 2017 22:50 UTC |
Adriance Glenn ECSMO
|
OtherNon Qualified Stock Option · Derivative | 871 | $0.00 Strike: $70.56 | $0.00 |
DisclosureSEC source: 0001228924-17-000001 · primary_doc.xml · derivative · entry 5 Adriance Glenn E · CIK 0001431535 · CSMO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 20,837 Underlying: Common Stock · 871 shares Expires 2023-04-01 F1 · derivative.exercise_date: 1/7 exercisable on each anniversary date Read SEC document |
| February 06, 2017 Filed Feb 7, 2017 22:50 UTC |
Adriance Glenn ECSMO
|
SaleCommon Stock | 4,375 | $125.38 | $548,537.50 |
DisclosureSEC source: 0001228924-17-000001 · primary_doc.xml · nonDerivative · entry 3 Adriance Glenn E · CIK 0001431535 · CSMO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 9,725 Read SEC document |
| February 06, 2017 Filed Feb 7, 2017 22:50 UTC |
Adriance Glenn ECSMO
|
Exercise / conversionCommon Stock | 1,070 | $70.56 | $75,499.20 |
DisclosureSEC source: 0001228924-17-000001 · primary_doc.xml · nonDerivative · entry 1 Adriance Glenn E · CIK 0001431535 · CSMO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 15,170 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 |
| December 15, 2016 Filed Dec 27, 2016 18:10 UTC |
Dwyer Robert VDirector
|
Salecommon stock | 1,000 | $134.00 | $134,000.00 |
DisclosureSEC source: 0001228924-16-000052 · primary_doc.xml · nonDerivative · entry 2 Dwyer Robert V · CIK 0001360778 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 89,671 Read SEC document |
| December 14, 2016 Filed Dec 27, 2016 18:10 UTC |
Dwyer Robert VDirector
|
SaleCommon Stock | 1,002 | $132.13 | $132,394.26 |
DisclosureSEC source: 0001228924-16-000052 · primary_doc.xml · nonDerivative · entry 1 Dwyer Robert V · CIK 0001360778 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 90,671 Read SEC document |
| November 23, 2016 Filed Nov 28, 2016 17:25 UTC |
Adriance Glenn ECMSO
|
OtherIncentive Stock Option · Derivative | 314 | $0.00 Strike: $89.70 | $0.00 |
DisclosureSEC source: 0001228924-16-000050 · primary_doc.xml · derivative · entry 6 Adriance Glenn E · CIK 0001431535 · CMSO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 21,708 Underlying: Common Stock · 314 shares Expires 2022-04-01 F2 · derivative.exercise_date: 1/7 exercisable on each anniversary date Read SEC document |
| November 23, 2016 Filed Nov 28, 2016 17:25 UTC |
Adriance Glenn ECMSO
|
OtherNon Qualified Stock Option · Derivative | 1,828 | $0.00 Strike: $89.70 | $0.00 |
DisclosureSEC source: 0001228924-16-000050 · primary_doc.xml · derivative · entry 5 Adriance Glenn E · CIK 0001431535 · CMSO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 22,022 Underlying: Common Stock · 1,828 shares Expires 2022-04-01 F2 · derivative.exercise_date: 1/7 exercisable on each anniversary date Read SEC document |
| November 23, 2016 Filed Nov 28, 2016 17:25 UTC |
Adriance Glenn ECMSO
|
OtherNon Qualified Stock Option · Derivative | 1,425 | $0.00 Strike: $51.85 | $0.00 |
DisclosureSEC source: 0001228924-16-000050 · primary_doc.xml · derivative · entry 4 Adriance Glenn E · CIK 0001431535 · CMSO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 23,850 Underlying: Common Stock · 1,425 shares Expires 2023-04-01 F1 · derivative.exercise_date: 1/4 exercisable each anniversary date Read SEC document |
| November 23, 2016 Filed Nov 28, 2016 17:25 UTC |
Adriance Glenn ECMSO
|
SaleCommon Stock | 3,567 | $135.93 | $484,862.31 |
DisclosureSEC source: 0001228924-16-000050 · primary_doc.xml · nonDerivative · entry 3 Adriance Glenn E · CIK 0001431535 · CMSO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 14,100 Read SEC document |
| November 23, 2016 Filed Nov 28, 2016 17:25 UTC |
Adriance Glenn ECMSO
|
Exercise / conversionCommon Stock | 2,142 | $89.70 | $192,137.40 |
DisclosureSEC source: 0001228924-16-000050 · primary_doc.xml · nonDerivative · entry 2 Adriance Glenn E · CIK 0001431535 · CMSO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 17,667 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 |
| November 23, 2016 Filed Nov 28, 2016 17:25 UTC |
Adriance Glenn ECMSO
|
Exercise / conversionCommon Stock | 1,425 | $51.85 | $73,886.25 |
DisclosureSEC source: 0001228924-16-000050 · primary_doc.xml · nonDerivative · entry 1 Adriance Glenn E · CIK 0001431535 · CMSO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 15,525 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 |
| November 17, 2016 Filed Nov 17, 2016 23:16 UTC |
Sakys JohnCFO
|
OtherNon Qualified Stock Option · Derivative | 1,000 | $0.00 Strike: $48.72 | $0.00 |
DisclosureSEC source: 0001228924-16-000049 · primary_doc.xml · derivative · entry 4 Sakys John · CIK 0001197710 · CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 32,700 Underlying: Common Stock · 1,000 shares Expires 2022-10-29 F1 · derivative.exercise_date: 1/4 exercisable on each anniversary date Read SEC document |
| November 17, 2016 Filed Nov 17, 2016 23:16 UTC |
Sakys JohnCFO
|
SaleCommon Stock | 221 | $131.16 | $28,986.36 |
DisclosureSEC source: 0001228924-16-000049 · primary_doc.xml · nonDerivative · entry 3 Sakys John · CIK 0001197710 · CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,000 Read SEC document |
| November 15, 2016 Filed Nov 17, 2016 23:16 UTC |
Sakys JohnCFO
|
SaleCommon Stock | 779 | $126.00 | $98,154.00 |
DisclosureSEC source: 0001228924-16-000049 · primary_doc.xml · nonDerivative · entry 2 Sakys John · CIK 0001197710 · CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,221 Read SEC document |
| November 15, 2016 Filed Nov 17, 2016 23:16 UTC |
Sakys JohnCFO
|
Exercise / conversionCommon Stock | 1,000 | $48.72 | $48,720.00 |
DisclosureSEC source: 0001228924-16-000049 · primary_doc.xml · nonDerivative · entry 1 Sakys John · CIK 0001197710 · CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 2,000 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 |
| October 21, 2016 Filed Oct 25, 2016 19:18 UTC |
CAMPBELL H STUARTDirector
|
SaleCommon Stock | 4,000 | $119.02 | $476,080.00 |
DisclosureSEC source: 0001228924-16-000048 · primary_doc.xml · nonDerivative · entry 1 CAMPBELL H STUART · CIK 0001257603 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 63,930 Read SEC document |
| September 16, 2016 Filed Oct 12, 2016 17:00 UTC |
CAMPBELL H STUARTDirector
|
SaleCommon Stock | 3,000 | $115.03 | $345,090.00 |
DisclosureSEC source: 0001228924-16-000047 · primary_doc.xml · nonDerivative · entry 1 CAMPBELL H STUART · CIK 0001257603 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 67,930 Read SEC document |
| July 07, 2015 Filed Oct 19, 2018 21:27 UTC |
SEG Ventures, LLCDirector · See Remarks
|
OtherCommon Stock, no par value | 28,845 | $89.98 | $2,595,473.10 |
DisclosureSEC source: 0001567619-18-004361 · doc1.xml · nonDerivative · entry 5 SEG Ventures, LLC · CIK 0001457491 · Director · See Remarks 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 171,155 F1 · kind: See Exhibit 99.1. Read SEC document |
| June 15, 2015 Filed Jun 18, 2025 14:59 UTC |
Sakys JohnCFO
|
GrantCommon Stock | 668 | $0.00 | $0.00 |
DisclosureSEC source: 0001228924-25-000007 · primary_doc.xml · nonDerivative · entry 2 Sakys John · CIK 0001197710 · CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 13,507 F4 · shares: Shares represent common stock of Mesa Labs issued upon release of performance share units issued under the FY23 performance share unit program. Read SEC document |
| January 13, 2013 Filed Jan 17, 2023 15:52 UTC |
Schmieder John BradleyDirector
|
OtherCommon Stock | 1,000 | $122.66 | $122,660.00 |
DisclosureSEC source: 0001228924-23-000001 · primary_doc.xml · nonDerivative · entry 2 Schmieder John Bradley · CIK 0001637852 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 70,547 Read SEC document |
| March 03, 2011 Filed Oct 19, 2018 21:27 UTC |
SEG Ventures, LLCDirector · See Remarks
|
PurchaseCommon Stock, no par value | 10,000 | $29.00 | $290,000.00 |
DisclosureSEC source: 0001567619-18-004361 · doc1.xml · nonDerivative · entry 4 SEG Ventures, LLC · CIK 0001457491 · Director · See Remarks 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 200,000 Read SEC document |
| December 21, 2010 Filed Oct 19, 2018 21:27 UTC |
SEG Ventures, LLCDirector · See Remarks
|
PurchaseCommon Stock, no par value | 40,000 | $24.75 | $990,000.00 |
DisclosureSEC source: 0001567619-18-004361 · doc1.xml · nonDerivative · entry 3 SEG Ventures, LLC · CIK 0001457491 · Director · See Remarks 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 190,000 Read SEC document |
| October 12, 2010 Filed Oct 19, 2018 21:27 UTC |
SEG Ventures, LLCDirector · See Remarks
|
PurchaseCommon Stock, no par value | 30,000 | $21.52 | $645,600.00 |
DisclosureSEC source: 0001567619-18-004361 · doc1.xml · nonDerivative · entry 2 SEG Ventures, LLC · CIK 0001457491 · Director · See Remarks 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 150,000 Read SEC document |
| December 30, 2009 Filed Oct 19, 2018 21:27 UTC |
SEG Ventures, LLCDirector · See Remarks
|
PurchaseCommon Stock, no par value | 20,000 | $23.10 | $462,000.00 |
DisclosureSEC source: 0001567619-18-004361 · doc1.xml · nonDerivative · entry 1 SEG Ventures, LLC · CIK 0001457491 · Director · See Remarks 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 120,000 Read SEC document |
| September 09, 2009 Filed Sep 11, 2026 18:02 UTC |
Alltoft Jennifer SadieDirector
|
GrantRestricted Stock Units - 10 · Derivative | 1,774 | $0.00 | $0.00 |
DisclosureSEC source: 0000724004-26-000095 · primary_doc.xml · derivative · entry 1 Alltoft Jennifer Sadie · CIK 0001769053 · 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 |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.