Sullivan John James (CIK 0001305784)

Latest company ownership

Shares held
72,062
Last filed at
Dec 5, 2025
Confidence Score
50.0
2025Q4
Confidence Score History
2011Q2 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Jun 16, 2023 Jun 21, 2023 MESA LABORATORIES INC /CO/ Director Sell 52.5 -6 -0.01% ✗ $813.3
Jun 15, 2023 Jun 16, 2023 MESA LABORATORIES INC /CO/ Director Sell 52.5 -6 -0.02% ✗ $806.7
Jun 15, 2022 Jun 16, 2022 MESA LABORATORIES INC /CO/ Director Sell 52.5 -14 -0.03% ✗ $2.6K
Jun 7, 2022 Jun 13, 2022 MESA LABORATORIES INC /CO/ Director Sell 23.8 -5,192 -8.79% ✓ $1.1M
Jun 7, 2022 Jun 13, 2022 MESA LABORATORIES INC /CO/ Director Sell 17.5 -5,192 -8.79% ✗ $1.1M
Feb 15, 2022 Feb 16, 2022 MESA LABORATORIES INC /CO/ Director Sell 23.8 -5,192 -8.94% ✓ $1.3M
Nov 15, 2021 Nov 16, 2021 MESA LABORATORIES INC /CO/ Director Sell 23.8 -5,192 -9.10% ✓ $1.6M
Oct 1, 2021 Oct 4, 2021 MESA LABORATORIES INC /CO/ Director Sell 38.8 -1,250 -2.35% ✓ $380.6K
Sep 1, 2021 Sep 1, 2021 MESA LABORATORIES INC /CO/ Director Sell 38.8 -1,250 -2.30% ✓ $335.3K
Aug 16, 2021 Aug 17, 2021 MESA LABORATORIES INC /CO/ Director Sell 17.5 -5,192 -8.87% ✗ $1.4M
Aug 2, 2021 Aug 2, 2021 MESA LABORATORIES INC /CO/ Director Sell 38.8 -1,250 -2.30% ✓ $363.1K
Jul 1, 2021 Jul 6, 2021 MESA LABORATORIES INC /CO/ Director Sell 38.8 -1,250 -2.25% ✓ $334.3K
Jun 8, 2021 Jun 9, 2021 MESA LABORATORIES INC /CO/ Director Sell 17.5 -5,192 -8.74% ✗ $1.3M
Jun 1, 2021 Jun 4, 2021 MESA LABORATORIES INC /CO/ Director Sell 35.0 -2,215 -3.93% ✓ $557K
May 5, 2021 May 7, 2021 MESA LABORATORIES INC /CO/ Director Sell 47.5 -300 -0.53% ✓ $75.1K
May 4, 2021 May 5, 2021 MESA LABORATORIES INC /CO/ Director Sell 45.0 -735 -1.28% ✓ $183.9K
Apr 5, 2021 Apr 12, 2021 MESA LABORATORIES INC /CO/ Director Sell 45.0 -500 -1.45% ✓ $125.4K
Apr 5, 2021 Apr 5, 2021 MESA LABORATORIES INC /CO/ Director Sell 47.5 -500 -0.86% ✓ $125.4K
Mar 1, 2021 Mar 2, 2021 MESA LABORATORIES INC /CO/ Director Sell 38.8 -1,250 -2.11% ✓ $342.4K
Feb 1, 2021 Feb 1, 2021 MESA LABORATORIES INC /CO/ Director Sell 38.8 -1,250 -2.07% ✓ $347.1K
Jan 4, 2021 Jan 4, 2021 MESA LABORATORIES INC /CO/ Director Sell 38.8 -1,250 -2.03% ✓ $351K
Dec 1, 2020 Dec 1, 2020 MESA LABORATORIES INC /CO/ Director Sell 42.5 -1,250 -1.99% ✓ $344K
Nov 11, 2020 Nov 12, 2020 MESA LABORATORIES INC /CO/ Director Sell 20.0 -1,250 -1.96% ✗ $340.5K
Feb 27, 2020 Feb 27, 2020 MESA LABORATORIES INC /CO/ Director Sell 20.0 -1,702 -2.33% ✗ $435.7K
Feb 25, 2020 Feb 27, 2020 MESA LABORATORIES INC /CO/ Director Sell 17.5 -9,276 -6.10% ✗ $2.5M
Jun 15, 2019 Jun 18, 2019 MESA LABORATORIES INC /CO/ Director Sell 52.5 -11 -0.02% ✗ $2.2K
Jun 15, 2018 Jun 15, 2018 MESA LABORATORIES INC /CO/ Director Sell 17.5 -12,000 -14.41% ✗ $2.4M
Feb 15, 2018 Feb 20, 2018 MESA LABORATORIES INC /CO/ Director Sell 20.0 -4,000 -5.32% ✗ $552K
Feb 13, 2017 Feb 21, 2017 MESA LABORATORIES INC /CO/ CEO Sell 20.0 -5,922 -8.70% ✗ $734.3K
Feb 17, 2017 Feb 21, 2017 MESA LABORATORIES INC /CO/ CEO Sell 17.5 -9,078 -12.75% ✗ $1.1M
Feb 13, 2017 Feb 15, 2017 MESA LABORATORIES INC /CO/ CEO Sell 20.0 -5,922 -8.70% ✗ $734.3K
Jun 22, 2016 Jun 23, 2016 MESA LABORATORIES INC /CO/ CEO Sell 20.0 -4,000 -6.05% ✗ $486.5K
Nov 5, 2015 Nov 9, 2015 MESA LABORATORIES INC /CO/ CEO Sell 20.0 -2,400 -3.76% ✗ $271.2K
Feb 25, 2014 Feb 26, 2014 MESA LABORATORIES INC /CO/ CEO Sell 20.0 -10,000 -23.26% ✗ $870.1K
Aug 19, 2013 Aug 20, 2013 MESA LABORATORIES INC /CO/ CEO Sell 20.0 -6,000 -17.67% ✗ $389.2K
Aug 14, 2013 Aug 15, 2013 MESA LABORATORIES INC /CO/ CEO Sell 20.0 -6,000 -19.38% ✗ $371.5K
Jan 25, 2013 Jan 28, 2013 MESA LABORATORIES INC /CO/ CEO Sell 26.3 -454 -1.87% ✗ $23.5K
Mar 13, 2012 Mar 21, 2012 MESA LABORATORIES INC /CO/ CEO Sell 20.0 -9,030 -30.11% ✗ $528.6K
Apr 25, 2011 Apr 26, 2011 MESA LABORATORIES INC /CO/ CEO Sell 26.3 -700 -3.69% ✗ $21.2K