InsiderTrades

GALLAGHER THOMAS JOSEPH

SEC CIK 1589933 · EDGAR

Buying vs selling by month open-market trades, last 56 months, AJG
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
AJGArthur J. Gallagher & Co.VP 323.7K — $12.81M 532021-08-112026-07-01

Most active insiders at AJG, 12 months

#InsiderTitleBoughtSold
1 Bay Walter D.GC —$7.28M
2 GALLAGHER J PATRICK JRCEO, Dir —$6.32M
3 Hudson Scott RVP —$4.03M
4 Mead Christopher EVP —$3.15M
5 CARY RICHARD CCAO, Ctrl —$2.44M
6 HOWELL DOUGLAS KVP, CFO —$1.29M
7 Pesch Michael RobertVP $988.5K—
8 Harries Richard de Winton WilkinDir ——
9 Gallagher Patrick MurphyCOO ——
10 Clarke Teresa HillaryDir ——
16 GALLAGHER THOMAS JOSEPHPres ——

Transactions 53

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
D 2026-07-06 20:18 2026-07-01 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH Pres M - OptEx $229.57 +351.94 323.7K +0.1% +$80.8K
D 2026-04-02 16:48 2026-03-31 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH Pres M - OptEx $215.95 +76.38 323.5K +0.0% +$16.5K
D 2026-04-02 16:48 2026-03-31 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH Pres F - Tax $215.95 -76.38 323.4K -0.0% -$16.5K
MI 2026-03-24 2026-03-23 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH Pres G - Gift $0.00 +88 32.2K +0.3% $0
M 2026-03-24 2026-03-23 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH Pres G - Gift $0.00 -792 323.4K -0.2% $0
2026-03-17 2026-03-15 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH Pres A - Grant $0.00 +9,560 9,560 New $0
M 2026-03-17 2026-03-15 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH Pres M - OptEx $0.00 0 328.3K New $0
2026-03-17 2026-03-15 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH Pres F - Tax $207.93 -4,068 324.2K -1% -$845.9K
D 2026-03-02 2026-02-26 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH Pres F - Tax $221.70 -17.6K 290.5K -6% -$3.89M
D 2026-03-02 2026-02-26 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH Pres M - OptEx $75.59 +28.2K 318.7K +10% +$2.13M
MI 2025-08-22 2025-08-20+ AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH Pres G - Gift $0.00 +375 32.4K +1% $0
2025-08-22 2025-08-20 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH Pres G - Gift $0.00 -875 308.0K -0.3% $0
D 2025-08-04 2025-07-31 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH Pres M - OptEx $0.00 +1,376 308.9K +0.4% $0
2025-05-20 2025-05-16 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH Pres G - Gift $0.00 -3,000 307.5K -1.0% $0
D 2025-04-02 2025-03-31 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH Pres F - Tax $345.24 -105.01 340.5K -0.0% -$36.3K
D 2025-04-02 2025-03-31 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH Pres M - OptEx $0.00 +105.01 340.7K +0.0% $0
M 2025-03-18 2025-03-15 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH Pres M - OptEx $0.00 0 0 New $0
2025-03-18 2025-03-15 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH Pres F - Tax $325.24 -4,173 340.5K -1% -$1.36M
2025-03-18 2025-03-15 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH Pres A - Grant $0.00 +9,640 9,640 New $0
D 2025-02-07 2025-02-05 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH Pres F - Tax $314.93 -7,981 335.1K -2% -$2.51M
D 2025-02-07 2025-02-05 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH Pres M - OptEx $70.74 +14.8K 343.1K +5% +$1.05M
2024-12-20 2024-12-19 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH Pres G - Gift $0.00 -840 328.3K -0.3% $0
D 2024-08-09 2024-08-08 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH Pres M - OptEx $70.74 +15.0K 344.1K +5% +$1.06M
D 2024-08-09 2024-08-08 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH Pres S - Sale+OE $282.96 -15.0K 329.1K -4% -$4.24M
D 2024-05-01 2024-04-29 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH VP F - Tax $232.91 -199.27 328.9K -0.1% -$46.4K
D 2024-05-01 2024-04-29 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH VP M - OptEx $0.00 +199.27 329.1K +0.1% $0
2024-03-19 2024-03-16 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH VP F - Tax $253.17 -5,180 329.1K -2% -$1.31M
M 2024-03-19 2024-03-16 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH VP M - OptEx $0.00 0 0 New $0
2024-03-19 2024-03-16 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH VP A - Grant $0.00 +12.0K 12.0K New $0
D 2024-02-12 2024-02-08 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH VP M - OptEx $56.86 +37.3K 349.0K +12% +$2.12M
DI 2024-02-12 2023-12-06 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH VP G - Gift $0.00 +480 117.8K +0.4% $0
D 2024-02-12 2024-02-08 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH VP S - Sale+OE $237.65 -12.3K 322.8K -4% -$2.93M
D 2024-02-12 2024-02-08 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH VP F - Tax $237.69 -13.8K 335.1K -4% -$3.29M
2023-12-06 2023-12-06 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH VP G - Gift $0.00 -720 311.7K -0.2% $0
D 2023-07-18 2023-07-14 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH VP M - OptEx $0.00 +2,570 312.4K +0.8% $0
D 2023-05-08 2023-05-04 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH VP M - OptEx $0.00 +147.06 309.9K +0.0% $0
D 2023-05-08 2023-05-04 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH VP F - Tax $211.72 -147.06 309.8K -0.0% -$31.1K
D 2023-03-14 2023-03-12 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH VP F - Tax $182.76 -6,771 309.8K -2% -$1.24M
DM 2023-03-14 2023-03-12 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH VP M - OptEx $0.00 0 0 New $0
D 2023-03-14 2023-03-12 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH VP A - Grant $0.00 +15.7K 15.7K New $0
D 2023-03-07 2023-03-03 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH VP M - OptEx $43.71 +25.4K 314.8K +9% +$1.11M
D 2023-03-07 2023-03-03 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH VP F - Tax $188.47 -13.8K 300.9K -4% -$2.61M
D 2022-05-05 2022-05-03 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH VP M - OptEx $0.00 +208.43 290.8K +0.1% $0
D 2022-05-05 2022-05-03 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH VP F - Tax $167.28 -208.43 290.6K -0.1% -$34.9K
D 2022-03-16 2022-03-14 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH VP F - Tax $154.74 -7,289 290.6K -2% -$1.13M
DM 2022-03-16 2022-03-14 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH VP M - OptEx $0.00 0 0 New $0
D 2022-03-16 2022-03-14 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH VP A - Grant $0.00 +16.9K 16.9K New $0
DM 2022-02-24 2022-02-22 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH VP M - OptEx $45.50 +36.8K 285.6K +15% +$1.67M
D 2022-02-24 2022-02-22 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH VP S - Sale+OE $153.24 -36.8K 258.8K -12% -$5.64M
D 2021-09-03 2021-09-01 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH VP M - OptEx $0.00 +5,686 295.9K +2% $0
D 2021-09-03 2021-09-01 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH VP F - Tax $144.44 -2,386 293.5K -0.8% -$344.6K
D 2021-08-12 2021-08-11 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH VP M - OptEx $0.00 +224.79 290.4K +0.1% $0
D 2021-08-12 2021-08-11 AJG Arthur J. Gallagher & Co. GALLAGHER THOMAS JOSEPH VP F - Tax $140.39 -224.79 290.2K -0.1% -$31.6K

Purchase Sale Sale after option exercise All abbreviations