SEC Insider Transactions from Sullivan John James.

Last updated: 2026-03-14 11:38 UTC | Total transactions: 23

Sullivan John James has filed 23 insider transactions across 1 company since February 2023.

Most recent transaction: a gift of 2000 shares of MESA LABORATORIES INC /CO/ ($MLAB) on December 02, 2025.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Dec. 2, 2025 MESA LABORATORIES INC /CO/ $MLAB Sullivan John James Director G Common Stock 2000 $0.00 70,062.0000 5,543,000 2.78% 0.04%
Aug. 15, 2025 MESA LABORATORIES INC /CO/ $MLAB Sullivan John James Director M Restricted Stock Units - 9 1404 $0.00 0.0000 5,421,000 100.00% 0.03%
Aug. 15, 2025 MESA LABORATORIES INC /CO/ $MLAB Sullivan John James Director A Restricted Stock Units - 10 2784 $0.00 2,784.0000 5,421,000 9999.99% 0.05%
Aug. 15, 2025 MESA LABORATORIES INC /CO/ $MLAB Sullivan John James Director M Common Stock 1404 $0.00 72,062.0000 5,421,000 1.99% 0.03%
Nov. 19, 2024 MESA LABORATORIES INC /CO/ $MLAB Sullivan John James Director G Common Stock 2000 $0.00 70,658.0000 5,471,000 2.75% 0.04%
Sept. 1, 2024 MESA LABORATORIES INC /CO/ $MLAB Sullivan John James Director M Restricted Stock Units - 8 1074 $0.00 0.0000 5,386,000 100.00% 0.02%
Sept. 1, 2024 MESA LABORATORIES INC /CO/ $MLAB Sullivan John James Director M Common Stock 1074 $0.00 72,658.0000 5,386,000 1.50% 0.02%
Aug. 15, 2024 MESA LABORATORIES INC /CO/ $MLAB Sullivan John James Director A Restricted Stock Units - 9 1404 $0.00 1,404.0000 5,386,000 9999.99% 0.03%
April 2, 2024 MESA LABORATORIES INC /CO/ $MLAB Sullivan John James Director E Non Qualified Stock Option 450 $0.00 0.0000 5,386,000 100.00% 0.01%
Nov. 9, 2023 MESA LABORATORIES INC /CO/ $MLAB Sullivan John James Director G Common Stock 200 $0.00 71,584.0000 5,361,000 0.28% 0.00%
Nov. 9, 2023 MESA LABORATORIES INC /CO/ $MLAB Sullivan John James Director G Common Stock 2000 $0.00 71,584.0000 5,361,000 2.72% 0.04%
Nov. 9, 2023 MESA LABORATORIES INC /CO/ $MLAB Sullivan John James Director G Common Stock 200 $0.00 73,584.0000 5,361,000 0.27% 0.00%
Sept. 1, 2023 MESA LABORATORIES INC /CO/ $MLAB Sullivan John James Director M Restricted Stock Units - 8 1074 $0.00 1,074.0000 5,361,000 9999.99% 0.02%
Aug. 15, 2023 MESA LABORATORIES INC /CO/ $MLAB Sullivan John James Director M Restricted Stock Units - 7 754 $0.00 0.0000 5,361,000 100.00% 0.01%
Aug. 15, 2023 MESA LABORATORIES INC /CO/ $MLAB Sullivan John James Director M Common Stock 754 $0.00 73,584.0000 5,361,000 1.04% 0.01%
June 16, 2023 MESA LABORATORIES INC /CO/ $MLAB Sullivan John James Director F Common Stock 6 $135.55 72,830.0000 5,361,000 0.01% 0.00%
June 16, 2023 MESA LABORATORIES INC /CO/ $MLAB Sullivan John James Director M Restricted Stock Unit - 1 15 $0.00 0.0000 5,361,000 100.00% 0.00%
June 16, 2023 MESA LABORATORIES INC /CO/ $MLAB Sullivan John James Director M Common Stock 15 $0.00 72,836.0000 5,361,000 0.02% 0.00%
June 15, 2023 MESA LABORATORIES INC /CO/ $MLAB Sullivan John James Director F Common Stock 6 $134.45 28,241.0000 5,361,000 0.02% 0.00%
June 15, 2023 MESA LABORATORIES INC /CO/ $MLAB Sullivan John James Director M Restricted Stock Units -1 15 $0.00 15.0000 5,361,000 50.00% 0.00%
June 15, 2023 MESA LABORATORIES INC /CO/ $MLAB Sullivan John James Director M Common Stock 15 $0.00 28,247.0000 5,361,000 0.05% 0.00%
Feb. 2, 2023 MESA LABORATORIES INC /CO/ $MLAB Sullivan John James Director G Common Stock 14580 $0.00 72,812.0000 0 16.68% 0.00%
Feb. 2, 2023 MESA LABORATORIES INC /CO/ $MLAB Sullivan John James Director G Common Stock 14580 $0.00 72,812.0000 0 25.04% 0.00%