Mesa Laboratories Inc /CO

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Mesa Laboratories Inc /CO
TickerMLAB
CIK #0000724004
CUSIP59064R109
SectorLife Sciences - Industrial Instruments For Measurement, Display, And Control
Address12100 W 6th Ave, Lakewood, CO 80228
Source [EDGAR]
CIK Filing 2011 - 2026
[0000724004] 10-K
[0000724004] 10-Q
[0000724004] 3
[0000724004] 4
[0000724004] 5
[0000724004] 8-K
[0000724004] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Long Path Smaller Companies Fund LP Mesa Laboratories Inc /CO/ [2026-03-13] 0.0
Invesco Ltd Mesa Laboratories Inc /CO/ [2021-02-16] 5.2
Vanguard Group Inc Mesa Laboratories Inc /CO [2020-02-11] 6.78
Price T Rowe Associates Inc /MD/ Mesa Laboratories Inc /CO [2019-02-14] 7.4
BlackRock Inc Mesa Laboratories Inc /CO [2019-02-08] 6.6
Nine Ten Partners LP Mesa Laboratories Inc /CO [2015-02-17] 5.9
Conestoga Capital Advisors LLC Mesa Laboratories Inc /CO [2015-01-14] 11.16
Form 3/4/5 Filer 2011 - 2026
Archbold Brian David
Mesa Laboratories Inc /CO/
Crennen Lyndsey Elizabeth
Sakys John
Kadia Siddhartha
Owens Gary M
Ladiwala Shiraz Shabanali
Tripeny R Tony
Capone Mark Christopher
Sullivan John James
Alltoft Jennifer Sadie
Hall Shannon
Schmieder John Bradley
Guillemin Evan
Dinoia Gregory
Kelly David M
Perez David Brian
Dwyer Robert V
Brooks Michael T
Campbell H Stuart
SEG Ventures LLC
Adriance Glenn E
Schmieder Luke R
Peterson Steven W
Tranmer Michael
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Capone Mark Christopher
Common Stock
2026-03-10 Buy 1,301 $76.35 99,331
Ladiwala Shiraz Shabanali
Common Stock
2026-03-10 Buy 3,500 $72.23 252,805
Tripeny R Tony
Common Stock
2026-03-10 Buy 1,315 $76.00 99,940
Sullivan John James
Common Stock
2025-12-02 Gift 2,000 $0.00
Owens Gary M
Common Stock
2025-10-27 Option exercise 11,558 $0.00
Alltoft Jennifer Sadie
Restricted Stock Units - 8 · derivative
2025-08-15 Option exercise 1,404 $0.00
Ladiwala Shiraz Shabanali
Restricted Stock Units - 6 · derivative
2025-08-15 Grant 3,810 $0.00
Capone Mark Christopher
Restricted Stock Units - 3 · derivative
2025-08-15 Grant 2,784 $0.00
Ladiwala Shiraz Shabanali
Restricted Stock Units - 5 · derivative
2025-08-15 Option exercise 1,949 $0.00
Tripeny R Tony
Restricted Stock Units - 4 · derivative
2025-08-15 Grant 2,784 $0.00
Sullivan John James
Restricted Stock Units - 10 · derivative
2025-08-15 Grant 2,784 $0.00
Sullivan John James
Restricted Stock Units - 9 · derivative
2025-08-15 Option exercise 1,404 $0.00
Hall Shannon
Restricted Stock Units - 7 · derivative
2025-08-15 Option exercise 1,404 $0.00
Ladiwala Shiraz Shabanali
Common Stock
2025-08-15 Option exercise 1,949 $0.00
Capone Mark Christopher
Common Stock
2025-08-15 Option exercise 1,404 $0.00
Sullivan John James
Common Stock
2025-08-15 Option exercise 1,404 $0.00
Alltoft Jennifer Sadie
Common Stock
2025-08-15 Option exercise 1,404 $0.00
Tripeny R Tony
Common Stock
2025-08-15 Option exercise 1,404 $0.00
Hall Shannon
Common Stock
2025-08-15 Option exercise 1,404 $0.00
Tripeny R Tony
Restricted Stock Units - 3 · derivative
2025-08-15 Option exercise 1,404 $0.00
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 161 4,827,730
2025-12-31 159 4,743,291
2025-09-30 141 4,988,234
2025-06-30 156 5,223,852
2025-03-31 152 5,164,635
2024-12-31 159 5,105,983
2024-09-30 168 4,901,275
2024-06-30 156 4,893,469
2024-03-31 156 5,385,303
2023-12-31 161 5,137,265
2023-09-30 156 4,901,095
2023-06-30 163 4,879,082
Form 13F Holdings
Firm Period DFND Voting Shares
Wasatch Advisors LP [2026-06-30] SOLE 97,392 115,668
Y-Intercept Hong Kong Ltd [2026-06-30] SOLE 10,010 10,010
Wealth Enhancement Advisory Services LLC [2026-06-30] SOLE 187 4,275
Kings Path Partners LLC [2026-06-30] SOLE 0 2,433
Farther Finance Advisors LLC [2026-06-30] SOLE 0 412
Alaska Retirement Management Board [2026-06-30] SOLE 278 278
Hilltop National Bank [2026-06-30] DFND 200 200
Gamma Investing LLC [2026-06-30] DFND 198 198
Versant Capital Management Inc [2026-06-30] SOLE 139 139
True Wealth Design LLC [2026-06-30] SOLE 0 40
IFP Advisors LLC [2026-06-30] SOLE 15 15
Cedar Mountain Advisors LLC [2026-06-30] SOLE 0 10
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