SEC Insider Transactions from JOHNSON DAVID S.

Last updated: 2026-03-14 11:54 UTC | Total transactions: 18

David S. Johnson, a director at Arthur J. Gallagher & Co. ($AJG), made one open market sale of company shares in the last year, totaling $342,038. His most recent sale occurred on May 16, 2025. This activity ranks 7,301st among 11,678 individual insiders, well below the average sale amount of $8.6 million over about 6.4 transactions. Johnson recorded no open market purchases in the period.

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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
March 1, 2026 Arthur J. Gallagher & Co. $AJG JOHNSON DAVID S Director A Common Stock 214 $228.20 46,037.6300 257,100,000 0.47% 0.00%
Dec. 1, 2025 Arthur J. Gallagher & Co. $AJG JOHNSON DAVID S Director A Common Stock 198 $246.10 45,822.7140 256,800,000 0.43% 0.00%
Sept. 1, 2025 Arthur J. Gallagher & Co. $AJG JOHNSON DAVID S Director A Common Stock 161 $302.75 45,624.6240 254,700,000 0.35% 0.00%
June 2, 2025 Arthur J. Gallagher & Co. $AJG JOHNSON DAVID S Director A Common Stock 140 $347.44 45,463.3120 254,700,000 0.31% 0.00%
May 16, 2025 Arthur J. Gallagher & Co. $AJG JOHNSON DAVID S Director S Common Stock 1000 $342.04 45,323.0000 254,700,000 2.16% 0.00%
May 13, 2025 Arthur J. Gallagher & Co. $AJG JOHNSON DAVID S Director A Common Stock 690 $0.00 46,323.0000 254,700,000 1.51% 0.00%
Feb. 12, 2025 Arthur J. Gallagher & Co. $AJG JOHNSON DAVID S Director S Common Stock 325 $322.06 44,783.0000 254,700,000 0.72% 0.00%
May 22, 2024 Arthur J. Gallagher & Co. $AJG JOHNSON DAVID S Director S Common Stock 850 $257.84 45,108.0000 0 1.85% 0.00%
May 9, 2024 Arthur J. Gallagher & Co. $AJG JOHNSON DAVID S Director M Common Stock (restricted) 920 $0.00 850.0000 0 51.98% 0.00%
May 9, 2024 Arthur J. Gallagher & Co. $AJG JOHNSON DAVID S Director M Common Stock 920 $0.00 45,958.0000 0 2.04% 0.00%
May 7, 2024 Arthur J. Gallagher & Co. $AJG JOHNSON DAVID S Director A Common Stock (restricted) 850 $0.00 1,770.0000 0 92.39% 0.00%
Feb. 6, 2024 Arthur J. Gallagher & Co. $AJG JOHNSON DAVID S Director S Common Stock 500 $234.04 45,038.0000 0 1.10% 0.00%
Sept. 15, 2023 Arthur J. Gallagher & Co. $AJG JOHNSON DAVID S Director S Common Stock 1000 $230.15 45,538.0000 0 2.15% 0.00%
June 16, 2023 Arthur J. Gallagher & Co. $AJG JOHNSON DAVID S Director S Common Stock 1000 $216.40 46,538.0000 0 2.10% 0.00%
May 10, 2023 Arthur J. Gallagher & Co. $AJG JOHNSON DAVID S Director M Common Stock 1030 $0.00 47,538.0000 0 2.21% 0.00%
May 9, 2023 Arthur J. Gallagher & Co. $AJG JOHNSON DAVID S Director A Common Stock (restricted) 920 $0.00 1,950.0000 0 89.32% 0.00%
May 10, 2023 Arthur J. Gallagher & Co. $AJG JOHNSON DAVID S Director M Common Stock (restricted) 1030 $0.00 920.0000 0 52.82% 0.00%
March 8, 2023 Arthur J. Gallagher & Co. $AJG JOHNSON DAVID S Director S Common Stock 1000 $189.62 46,508.0000 0 2.10% 0.00%