SEC Insider Transactions from HOWELL DOUGLAS K.

Last updated: 2026-04-02 21:09 UTC | Total transactions: 96

Douglas K. Howell, VP and Chief Financial Officer of Arthur J. Gallagher & Co. ($AJG), sold shares on the open market six times over the last year, totaling $6.4 million. His most recent sale occurred on December 22, 2025. These open market sales rank 1,614th among 11,678 individual insiders, below the average sale amount of $8.6 million and near the average of 6.4 transactions per insider. Howell made 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 31, 2026 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Phantom Stock 76 $0.00 6,866.8980 257,100,000 1.10% 0.00%
March 31, 2026 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer F Common Stock 76 $215.95 110,365.8868 257,100,000 0.07% 0.00%
March 31, 2026 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Common Stock 76 $215.95 110,442.2688 257,100,000 0.07% 0.00%
March 15, 2026 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Common Stock (restricted) 9082 $0.00 0.0000 257,100,000 100.00% 0.00%
March 15, 2026 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Common Stock 9082 $0.00 114,230.8868 257,100,000 8.64% 0.00%
March 15, 2026 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer F Common Stock 3865 $207.93 110,365.8868 257,100,000 3.38% 0.00%
March 13, 2026 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Non-qualified Stock Option 14100 $0.00 122,394.0000 257,100,000 10.33% 0.01%
March 13, 2026 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Common Stock 14100 $79.59 113,786.8868 257,100,000 14.14% 0.01%
March 13, 2026 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer F Common Stock 8638 $207.93 105,148.8868 257,100,000 7.59% 0.00%
March 15, 2026 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer A Common Stock (restricted) 9082 $0.00 9,082.0000 257,100,000 9999.99% 0.00%
March 4, 2026 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer A Phantom Stock 2643 $227.01 6,928.9780 257,100,000 61.67% 0.00%
March 1, 2026 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer A Non-qualified Stock Option 20737 $0.00 20,737.0000 257,100,000 9999.99% 0.01%
Feb. 10, 2026 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer I Notional Stock Units 12892 $212.58 399,660.1356 257,100,000 3.33% 0.01%
Dec. 22, 2025 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer G Common Stock 196 $0.00 99,164.4468 256,800,000 0.20% 0.00%
Dec. 22, 2025 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer S Common Stock 5000 $258.05 99,360.4468 256,800,000 4.79% 0.00%
Sept. 19, 2025 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer S Common Stock 2600 $298.69 115,760.4468 254,700,000 2.20% 0.00%
Sept. 19, 2025 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer S Common Stock 3400 $299.71 112,360.4468 254,700,000 2.94% 0.00%
Sept. 22, 2025 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer S Common Stock 2100 $299.84 104,360.4468 254,700,000 1.97% 0.00%
Sept. 22, 2025 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer S Common Stock 5900 $299.44 106,460.4468 254,700,000 5.25% 0.00%
Sept. 9, 2025 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer S Common Stock 3000 $299.78 118,360.4468 254,700,000 2.47% 0.00%
July 31, 2025 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Common Stock 35739 $0.00 121,360.4468 254,700,000 41.74% 0.01%
July 31, 2025 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Notional Stock Units 35739 $0.00 177,994.9726 254,700,000 16.72% 0.01%
March 31, 2025 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Common Stock 105 $0.00 85,635.3753 254,700,000 0.12% 0.00%
March 31, 2025 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer F Common Stock 105 $345.24 85,530.3683 254,700,000 0.12% 0.00%
March 31, 2025 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Phantom Stock 105 $0.00 4,257.0470 254,700,000 2.41% 0.00%
March 15, 2025 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer A Common Stock (restricted) 9610 $0.00 9,610.0000 254,700,000 9999.99% 0.00%
March 15, 2025 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Common Stock (restricted) 9160 $0.00 450.0000 254,700,000 95.32% 0.00%
March 15, 2025 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Common Stock 9160 $0.00 89,152.2213 254,700,000 11.45% 0.00%
March 15, 2025 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Non-qualified Stock Option 900 $0.00 0.0000 254,700,000 100.00% 0.00%
March 15, 2025 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer F Common Stock 3673 $325.24 85,479.2213 254,700,000 4.12% 0.00%
March 15, 2025 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Common Stock 900 $70.74 80,395.2213 254,700,000 1.13% 0.00%
March 15, 2025 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer F Common Stock 403 $325.24 79,992.2213 254,700,000 0.50% 0.00%
March 12, 2025 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Notional Stock Units 2850 $0.00 206,812.2924 254,700,000 1.40% 0.00%
March 12, 2025 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Common Stock (restricted) 2850 $325.75 0.0000 254,700,000 100.00% 0.00%
March 10, 2025 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer I Phantom Stock 1868 $321.23 4,357.1970 254,700,000 75.03% 0.00%
March 1, 2025 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer A Non-qualified Stock Option 13884 $0.00 13,884.0000 254,700,000 9999.99% 0.01%
Oct. 28, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Non-qualified Stock Option 7000 $0.00 900.0000 0 88.61% 0.00%
Oct. 28, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Common Stock 7000 $70.74 86,495.2523 0 8.81% 0.00%
Oct. 28, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer S Common Stock 7000 $284.70 79,495.2523 0 8.09% 0.00%
Sept. 19, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Common Stock 7000 $70.74 86,495.2523 0 8.81% 0.00%
Sept. 19, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer S Common Stock 7000 $284.68 79,495.2523 0 8.09% 0.00%
Sept. 19, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Non-qualified Stock Option 7000 $0.00 7,900.0000 0 46.98% 0.00%
Aug. 1, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer S Common Stock 8710 $285.07 79,495.2523 0 9.87% 0.00%
July 26, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Notional Stock Units 8710 $0.00 203,962.2924 0 4.10% 0.00%
July 26, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Common Stock 8710 $0.00 88,205.2523 0 10.96% 0.00%
May 17, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer S Common Stock 5100 $257.04 79,384.1412 0 6.04% 0.00%
May 10, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer S Common Stock 2008 $250.36 84,484.1412 0 2.32% 0.00%
May 10, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer S Common Stock 13992 $248.13 86,492.1412 0 13.92% 0.00%
May 2, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer F Common Stock 1967 $238.54 100,484.1412 0 1.92% 0.00%
May 2, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Phantom Stock 4688 $0.00 2,467.8600 0 65.51% 0.00%
May 2, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Common Stock 4688 $0.00 102,451.1252 0 4.80% 0.00%
April 29, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer F Common Stock 199 $232.91 97,563.8732 0 0.20% 0.00%
April 29, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Common Stock 199 $0.00 97,763.1412 0 0.20% 0.00%
April 29, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Phantom Stock 199 $0.00 7,155.8440 0 2.71% 0.00%
March 16, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Common Stock (restricted) 5684 $0.00 8,534.0000 0 39.98% 0.00%
March 16, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer A Common Stock (restricted) 11368 $0.00 14,218.0000 0 398.88% 0.00%
March 16, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer F Common Stock 1959 $253.17 92,079.1412 0 2.08% 0.00%
March 16, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Notional Stock Units 5684 $0.00 212,672.2924 0 2.75% 0.00%
March 16, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Common Stock (restricted) 5684 $253.17 2,850.0000 0 66.60% 0.00%
March 16, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Common Stock 5684 $0.00 97,763.1412 0 6.17% 0.00%
March 14, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Notional Stock Units 2825 $0.00 206,988.2924 0 1.38% 0.00%
March 14, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Common Stock (restricted) 2825 $254.91 2,850.0000 0 49.78% 0.00%
March 15, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer G Common Stock 238 $0.00 94,038.1412 0 0.25% 0.00%
March 13, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer G Common Stock 198 $0.00 94,276.1412 0 0.21% 0.00%
March 4, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer I Phantom Stock 2468 $243.13 7,343.6070 0 50.61% 0.00%
March 1, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer A Non-qualified Stock Option 12726 $0.00 12,726.0000 0 9999.99% 0.00%
Feb. 14, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer S Common Stock 7000 $238.63 99,399.0212 0 6.58% 0.00%
Feb. 15, 2024 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer S Common Stock 5000 $239.15 94,399.0212 0 5.03% 0.00%
Dec. 19, 2023 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer S Common Stock 15000 $226.59 106,399.0212 0 12.36% 0.00%
Dec. 19, 2023 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer I Notional Stock Units 4225 $224.59 199,570.1524 0 2.16% 0.00%
Nov. 20, 2023 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Common Stock 1800 $56.86 133,200.0362 0 1.37% 0.00%
Nov. 20, 2023 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer S Common Stock 11800 $247.22 121,400.0362 0 8.86% 0.00%
Nov. 20, 2023 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Non-qualified Stock Option 1800 $0.00 0.0000 0 100.00% 0.00%
Sept. 19, 2023 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Common Stock 15000 $56.86 146,400.0362 0 11.42% 0.00%
Sept. 19, 2023 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer S Common Stock 15000 $234.94 131,400.0362 0 10.25% 0.00%
Sept. 19, 2023 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Non-qualified Stock Option 15000 $0.00 1,800.0000 0 89.29% 0.00%
Aug. 25, 2023 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer S Common Stock 1841 $229.11 135,988.0362 0 1.34% 0.00%
Aug. 28, 2023 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer S Common Stock 4588 $228.92 131,400.0362 0 3.37% 0.00%
Aug. 24, 2023 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Phantom Stock 189753 $0.00 4,852.3430 0 97.51% 0.00%
Aug. 25, 2023 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer S Common Stock 10000 $227.02 137,829.0362 0 6.76% 0.00%
Aug. 25, 2023 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer S Common Stock 20000 $225.87 147,829.0362 0 11.92% 0.00%
Aug. 24, 2023 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer S Common Stock 30000 $225.99 167,829.0362 0 15.16% 0.00%
Aug. 24, 2023 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer F Common Stock 86231 $221.53 197,829.0362 0 30.36% 0.00%
Aug. 24, 2023 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Common Stock 189753 $0.00 284,060.2422 0 201.21% 0.00%
June 20, 2023 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer I Notional Stock Units 3780 $211.64 193,934.0500 0 1.91% 0.00%
March 17, 2023 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer S Common Stock 2850 $180.98 94,094.6920 0 2.94% 0.00%
March 15, 2023 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer A Non-qualified Stock Option 12107 $0.00 12,107.0000 0 9999.99% 0.00%
March 15, 2023 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Notional Stock Units 3250 $0.00 208,651.1500 0 1.58% 0.00%
March 15, 2023 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Common Stock (restricted) 3250 $177.09 5,675.0000 0 36.41% 0.00%
March 12, 2023 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Common Stock (restricted) 8560 $0.00 17,485.0000 0 32.87% 0.00%
March 12, 2023 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Common Stock 8560 $0.00 100,062.6920 0 9.35% 0.00%
March 12, 2023 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Common Stock (restricted) 8560 $182.76 8,925.0000 0 48.96% 0.00%
March 12, 2023 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer F Common Stock 3118 $182.78 96,944.6920 0 3.12% 0.00%
March 10, 2023 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer I Phantom Stock 4840 $185.95 193,540.1480 0 2.56% 0.00%
March 12, 2023 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer M Notional Stock Units 8560 $0.00 205,401.1500 0 4.35% 0.00%
March 12, 2023 Arthur J. Gallagher & Co. $AJG HOWELL DOUGLAS K VP & Chief Financial Officer A Common Stock (restricted) 17120 $0.00 26,045.0000 0 191.82% 0.00%