John James Sullivan

Insider Reports History

Location
Lakewood, CO
Signature
John Sakys under Power of Attorney by John Sullivan
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by John James Sullivan:

Company Role Class Num Shares Value Price $ Report Date Ownership
MESA LABORATORIES INC /CO/ Director Common Stock 44,780 $3,584,639 $80.05 02 Dec 2025 By Trust
MESA LABORATORIES INC /CO/ Director Common Stock 25,282 $2,023,824 $80.05 02 Dec 2025 Direct
MESA LABORATORIES INC /CO/ Director Restricted Stock Units - 9 0 $128,606 $91.60 15 Aug 2025 Direct
MESA LABORATORIES INC /CO/ Director Restricted Stock Units - 10 2,784 15 Aug 2025 Direct

Insider Reports Filed by John James Sullivan

Symbol Company Period Transactions Value $ Form Type Role Filing Time
MLAB MESA LABORATORIES INC /CO/ 02 Dec 2025 1 $0 4 Director 05 Dec 2025, 11:10
MLAB MESA LABORATORIES INC /CO/ 15 Aug 2025 3 $0 4 Director 18 Aug 2025, 14:20
MLAB MESA LABORATORIES INC /CO/ 19 Nov 2024 1 $0 4 Director 25 Nov 2024, 11:40
MLAB MESA LABORATORIES INC /CO/ 01 Sep 2024 2 $0 4 Director 06 Sep 2024, 11:53
MLAB MESA LABORATORIES INC /CO/ 15 Aug 2024 1 $0 4 Director 19 Aug 2024, 11:33
MLAB MESA LABORATORIES INC /CO/ 02 Apr 2024 1 $0 4 Director 03 Apr 2024, 09:57
MLAB MESA LABORATORIES INC /CO/ 09 Nov 2023 3 $0 4 Director 14 Nov 2023, 06:11
MLAB MESA LABORATORIES INC /CO/ 01 Sep 2023 1 $0 4 Director 06 Sep 2023, 13:06
MLAB MESA LABORATORIES INC /CO/ 15 Aug 2023 2 $0 4 Director 16 Aug 2023, 16:37
MLAB MESA LABORATORIES INC /CO/ 16 Jun 2023 3 -$813 4 Director 21 Jun 2023, 13:38
MLAB MESA LABORATORIES INC /CO/ 15 Jun 2023 3 -$807 4 Director 16 Jun 2023, 19:56
MLAB MESA LABORATORIES INC /CO/ 02 Feb 2023 2 $0 4 Director 06 Feb 2023, 10:50
MLAB MESA LABORATORIES INC /CO/ 28 Nov 2022 1 $0 4 Director 29 Nov 2022, 09:52
MLAB MESA LABORATORIES INC /CO/ 01 Sep 2022 2 $0 4 Director 02 Sep 2022, 12:59
MLAB MESA LABORATORIES INC /CO/ 15 Aug 2022 1 $0 4 Director 18 Aug 2022, 15:16
MLAB MESA LABORATORIES INC /CO/ 05 Jul 2022 4 +$2,092,223 4 Director 06 Jul 2022, 13:05
MLAB MESA LABORATORIES INC /CO/ 15 Jun 2022 3 -$2,600 4 Director 16 Jun 2022, 17:18
MLAB MESA LABORATORIES INC /CO/ 07 Jun 2022 6 -$641,712 4/A Director 13 Jun 2022, 09:30
MLAB MESA LABORATORIES INC /CO/ 17 Feb 2022 2 +$70,560 4 Director 22 Feb 2022, 09:21
MLAB MESA LABORATORIES INC /CO/ 15 Feb 2022 5 -$859,541 4 Director 16 Feb 2022, 13:10
MLAB MESA LABORATORIES INC /CO/ 17 Nov 2021 2 +$70,560 4 Director 18 Nov 2021, 12:02
MLAB MESA LABORATORIES INC /CO/ 15 Nov 2021 5 -$1,095,105 4 Director 16 Nov 2021, 10:47
MLAB MESA LABORATORIES INC /CO/ 01 Oct 2021 1 -$380,600 4 Director 04 Oct 2021, 10:22
MLAB MESA LABORATORIES INC /CO/ 01 Sep 2021 1 $0 4 Director 01 Sep 2021, 17:24
MLAB MESA LABORATORIES INC /CO/ 01 Sep 2021 1 -$335,275 4 Director 01 Sep 2021, 16:45
MLAB MESA LABORATORIES INC /CO/ 18 Aug 2021 2 +$70,560 4 Director 19 Aug 2021, 10:58
MLAB MESA LABORATORIES INC /CO/ 16 Aug 2021 3 -$947,332 4 Director 17 Aug 2021, 18:53
MLAB MESA LABORATORIES INC /CO/ 15 Aug 2021 2 $0 4 Director 16 Aug 2021, 14:37
MLAB MESA LABORATORIES INC /CO/ 02 Aug 2021 1 -$363,088 4 Director 02 Aug 2021, 17:34
MLAB MESA LABORATORIES INC /CO/ 01 Jul 2021 1 -$334,300 4 Director 06 Jul 2021, 10:48
MLAB MESA LABORATORIES INC /CO/ 15 Jun 2021 4 $0 4 Director 16 Jun 2021, 13:25
MLAB MESA LABORATORIES INC /CO/ 10 Jun 2021 6 +$76,660 4 Director 11 Jun 2021, 16:42
MLAB MESA LABORATORIES INC /CO/ 08 Jun 2021 3 -$874,800 4 Director 09 Jun 2021, 11:54
MLAB MESA LABORATORIES INC /CO/ 01 Jun 2021 1 -$556,984 4 Director 04 Jun 2021, 16:41
MLAB MESA LABORATORIES INC /CO/ 13 May 2021 2 $0 4 Director 18 May 2021, 19:17
MLAB MESA LABORATORIES INC /CO/ 05 May 2021 2 -$75,069 4 Director 07 May 2021, 11:20