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United States Insurance

Arthur J Gallagher & Co (AJG)

Track

Over the last 90 days, Arthur J Gallagher & Co has seen net insider selling totaling $618,000, primarily driven by executive transactions. There were 3 total transactions, with no insider buys recorded. The stock has experienced a 3.3% price increase over the same period, currently trading near its 52-week low percentile.
Stock chart
Ticker: AJG Exchange: NYS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Matrix Trust Co
Trustee for Arthur J Gallagher Rabbi Trust
1 sale — total 100,000 USD
Proposed sale 16 Jun 2026
Value US$2,235,095.13 | Price 192.44 | Shares 35,823
Sale 2 Jun 2026
Value US$3,770,486.56 | Price 65.08 | Shares 14,764
Proposed sale 2 Jun 2026
Value US$1,614,985.75 | Price 167.04 | Shares 24,735
Proposed sale 18 Mar 2026
Value US$3,137,400.00 | Price 209.16 | Shares 15,000
Sale 6 Mar 2026
Value US$864,766.00 | Price 227.57 | Shares 3,800
Proposed sale 6 Mar 2026
Value US$864,766.00 | Price 227.57 | Shares 3,800
Sale 5 Mar 2026
Value US$908,472.00 | Price 227.12 | Shares 4,000
Proposed sale 5 Mar 2026
Value US$908,472.25 | Price 227.12 | Shares 4,000
Sale 2 Mar 2026
Value US$6,322,064.40 | Price 230.31 | Shares 27,450
Proposed sale 2 Mar 2026
Value US$6,322,071.40 | Price 230.31 | Shares 27,450
Sale 23 Dec 2025
Value US$1,032,440.00 | Price 258.11 | Shares 4,000
Proposed sale 23 Dec 2025
Value US$1,032,440.44 | Price 258.11 | Shares 4,000
Sale 22 Dec 2025
Value US$1,290,242.50 | Price 258.05 | Shares 5,000
Proposed sale 22 Dec 2025
Value US$1,291,250.00 | Price 258.25 | Shares 5,000
Sale 19 Dec 2025
Value US$4,041,750.00 | Price 255.00 | Shares 15,850
Proposed sale 19 Dec 2025
Value US$4,041,750.00 | Price 255.00 | Shares 15,850
Proposed sale 17 Dec 2025
Value US$3,779,700.00 | Price 251.98 | Shares 15,000
Sale 21 Nov 2025
Value US$313,425.00 | Price 250.74 | Shares 1,250
Proposed sale 21 Nov 2025
Value US$313,426.13 | Price 250.74 | Shares 1,250
Sale 18 Nov 2025
Value US$1,566,000.00 | Price 261.00 | Shares 6,000
Proposed sale 18 Nov 2025
Value US$1,566,000.00 | Price 261.00 | Shares 6,000
Buy 3 Nov 2025
Value US$148,981.48 | Price 248.72 | Shares 599
Buy 3 Nov 2025
Value US$244,693.44 | Price 247.42 | Shares 989
Buy 3 Nov 2025
Value US$462,544.43 | Price 246.82 | Shares 1,874
Buy 3 Nov 2025
Value US$132,268.91 | Price 245.85 | Shares 538
Sale 22 Sep 2025
Value US$629,659.80 | Price 299.84 | Shares 2,100
Sale 22 Sep 2025
Value US$1,766,684.20 | Price 299.44 | Shares 5,900
Proposed sale 22 Sep 2025
Value US$2,400,480.00 | Price 300.06 | Shares 8,000
Sale 19 Sep 2025
Value US$1,019,007.20 | Price 299.71 | Shares 3,400
Sale 19 Sep 2025
Value US$776,583.60 | Price 298.69 | Shares 2,600
Proposed sale 19 Sep 2025
Value US$1,797,900.00 | Price 299.65 | Shares 6,000
Proposed sale 17 Sep 2025
Value US$4,371,900.00 | Price 291.46 | Shares 15,000
Sale 9 Sep 2025
Value US$899,334.00 | Price 299.78 | Shares 3,000
Proposed sale 9 Sep 2025
Value US$895,500.00 | Price 298.50 | Shares 3,000
Sale 8 Sep 2025
Value US$2,261,101.08 | Price 297.51 | Shares 7,600
Sale 8 Sep 2025
Value US$1,564,586.92 | Price 297.73 | Shares 5,255
Proposed sale 8 Sep 2025
Value US$3,825,688.01 | Price 297.60 | Shares 12,855
Sale 21 Aug 2025
Value US$1,224,000.00 | Price 306.00 | Shares 4,000
Proposed sale 21 Aug 2025
Value US$1,224,000.00 | Price 306.00 | Shares 4,000
Buy 18 Jun 2025
Value US$18,783.83 | Price 318.37 | Shares 59
Proposed sale 17 Jun 2025
Value US$4,741,950.00 | Price 316.13 | Shares 15,000
Sale 21 May 2025
Value US$3,540,274.50 | Price 337.17 | Shares 10,500
Proposed sale 21 May 2025
Value US$3,540,272.82 | Price 337.17 | Shares 10,500
Sale 19 May 2025
Value US$4,645,728.00 | Price 344.13 | Shares 13,500
Proposed sale 19 May 2025
Value US$4,645,722.22 | Price 344.13 | Shares 13,500
Sale 16 May 2025
Value US$342,038.00 | Price 342.04 | Shares 1,000
Proposed sale 16 May 2025
Value US$342,037.50 | Price 342.04 | Shares 1,000
Sale 7 May 2025
Value US$4,074,120.00 | Price 339.51 | Shares 12,000
Proposed sale 7 May 2025
Value US$4,074,116.39 | Price 339.51 | Shares 12,000
Proposed sale 21 Mar 2025
Value US$2,505,296.52 | Price 333.59 | Shares 7,510
Sale 21 Mar 2025
Value US$2,505,260.90 | Price 333.59 | Shares 7,510
Proposed sale 14 Mar 2025
Value US$4,878,600.00 | Price 325.24 | Shares 15,000
Sale 27 Feb 2025
Value US$868,869.53 | Price 332.52 | Shares 2,613
Proposed sale 27 Feb 2025
Value US$868,868.53 | Price 332.52 | Shares 2,613
Proposed sale 27 Feb 2025
Value US$3,283,300.00 | Price 328.33 | Shares 10,000
Sale 18 Feb 2025
Value US$2,286,766.79 | Price 324.41 | Shares 7,049
Proposed sale 18 Feb 2025
Value US$2,286,766.79 | Price 324.41 | Shares 7,049
Sale 13 Feb 2025
Value US$3,266,200.00 | Price 326.62 | Shares 10,000
Proposed sale 13 Feb 2025
Value US$3,266,156.79 | Price 326.62 | Shares 10,000
Proposed sale 12 Feb 2025
Value US$104,670.02 | Price 322.06 | Shares 325
Sale 12 Feb 2025
Value US$104,670.15 | Price 322.06 | Shares 325
Sale 10 Feb 2025
Value US$162,315.00 | Price 324.63 | Shares 500
Sale 10 Feb 2025
Value US$1,271,522.76 | Price 324.12 | Shares 3,923
Sale 10 Feb 2025
Value US$615,865.65 | Price 322.95 | Shares 1,907
Sale 10 Feb 2025
Value US$730,735.70 | Price 321.91 | Shares 2,270
Sale 10 Feb 2025
Value US$449,442.00 | Price 321.03 | Shares 1,400
Proposed sale 10 Feb 2025
Value US$3,229,895.01 | Price 322.99 | Shares 10,000
Sale 3 Feb 2025
Value US$877,569.00 | Price 302.61 | Shares 2,900
Proposed sale 3 Feb 2025
Value US$877,569.00 | Price 302.61 | Shares 2,900
Sale 3 Feb 2025
Value US$760,830.75 | Price 304.33 | Shares 2,500
Proposed sale 3 Feb 2025
Value US$760,830.68 | Price 304.33 | Shares 2,500
Sale 3 Feb 2025
Value US$7,064,483.65 | Price 306.59 | Shares 23,042
Proposed sale 3 Feb 2025
Value US$7,064,484.01 | Price 306.59 | Shares 23,042
Buy 23 Dec 2024
Value US$316,814.20 | Price 284.14 | Shares 1,115
Proposed sale 10 Dec 2024
Value US$4,256,100.00 | Price 283.74 | Shares 15,000
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-06-16 2026-06-16 PrS Proposed sale
Matrix Trust Co

Trustee for Arthur J Gallagher Rabbi Trust
35,823
192.44
US$2,235,095 		35,823 192.44 US$2,235,095
2026-06-02 2026-06-02 S Sale
3.4
CARY RICHARD C

Controller, CAO

Officer
14,764 +47.6%
65.08
US$3,770,487 		14,764 +47.6% 65.08 US$3,770,487
2026-06-02 2026-06-02 PrS Proposed sale
3.4
CARY RICHARD C

Officer

Officer
24,735
167.04
US$1,614,986 		24,735 167.04 US$1,614,986
2026-03-18 2026-03-18 PrS Proposed sale
Matrix Trust Co

Trustee for Arthur J Gallagher Rabbi Trust
15,000
209.16
US$3,137,400 		15,000 209.16 US$3,137,400
2026-03-09 2026-03-06 S Sale
2.9
Hudson Scott R

Vice President

Officer
3,800 -4.2%
227.57
US$864,766 		3,800 -4.2% 227.57 US$864,766
2026-03-06 2026-03-06 PrS Proposed sale
2.9
Hudson Scott R

Officer

Officer
3,800
227.57
US$864,766 		3,800 227.57 US$864,766
2026-03-09 2026-03-05 S Sale
2.8
Mead Christopher E

VICE PRESIDENT

Officer
4,000 -17.2%
227.12
US$908,472 		4,000 -17.2% 227.12 US$908,472
2026-03-05 2026-03-05 PrS Proposed sale
2.8
Mead Christopher E

Officer

Officer
4,000
227.12
US$908,472 		4,000 227.12 US$908,472
2026-03-04 2026-03-02 S Sale
2.9
GALLAGHER J PATRICK JR

CEO

Executive Director
27,450 -22.2%
230.31
US$6,322,064 		27,450 -22.2% 230.31 US$6,322,064
2026-03-02 2026-03-02 PrS Proposed sale
2.9
GALLAGHER J PATRICK JR

Officer; Director

Executive Director
27,450
230.31
US$6,322,071 		27,450 230.31 US$6,322,071
2025-12-29 2025-12-23 S Sale
2.8
Mead Christopher E

VICE PRESIDENT

Officer
4,000 -18.8%
258.11
US$1,032,440 		4,000 -18.8% 258.11 US$1,032,440
2025-12-23 2025-12-23 PrS Proposed sale
2.8
Mead Christopher E

Officer

Officer
4,000
258.11
US$1,032,440 		4,000 258.11 US$1,032,440
2025-12-29 2025-12-22 S Sale
3.0
HOWELL DOUGLAS K

VP & Chief Financial Officer

Officer
5,000 -5.0%
258.05
US$1,290,242 		5,000 -5.0% 258.05 US$1,290,242
2025-12-22 2025-12-22 PrS Proposed sale
3.0
Douglas K. Howell

Officer

Officer
5,000
258.25
US$1,291,250 		5,000 258.25 US$1,291,250
2025-12-23 2025-12-19 S Sale
2.7
Bay Walter D.

General Counsel

Officer
15,850 -16.6%
255.00
US$4,041,750 		15,850 -16.6% 255.00 US$4,041,750
2025-12-19 2025-12-19 PrS Proposed sale
2.7
Bay Walter D.

Officer

Officer
15,850
255.00
US$4,041,750 		15,850 255.00 US$4,041,750
2025-12-17 2025-12-17 PrS Proposed sale
Matrix Trust Co

Trustee for the trust relating to the Plan
15,000
251.98
US$3,779,700 		15,000 251.98 US$3,779,700
2025-11-25 2025-11-21 S Sale
2.8
Mead Christopher E

VICE PRESIDENT

Officer
1,250 -6.7%
250.74
US$313,425 		1,250 -6.7% 250.74 US$313,425
2025-11-21 2025-11-21 PrS Proposed sale
2.8
Mead Christopher E

Officer

Officer
1,250
250.74
US$313,426 		1,250 250.74 US$313,426
2025-11-20 2025-11-18 S Sale
3.4
CARY RICHARD C

Controller, CAO

Officer
6,000 -10.6%
261.00
US$1,566,000 		6,000 -10.6% 261.00 US$1,566,000
2025-11-18 2025-11-18 PrS Proposed sale
3.4
CARY RICHARD C

Officer

Officer
6,000
261.00
US$1,566,000 		6,000 261.00 US$1,566,000
2025-11-03 2025-11-03 B Purchase
2.9
Pesch Michael Robert

Vice President

Officer
599 +1.5%
248.72
US$148,981 		599 +1.5% 248.72 US$148,981
2025-11-03 2025-11-03 B Purchase
2.9
Pesch Michael Robert

Vice President

Officer
989 +2.5%
247.42
US$244,693 		989 +2.5% 247.42 US$244,693
2025-11-03 2025-11-03 B Purchase
2.9
Pesch Michael Robert

Vice President

Officer
1,874 +4.9%
246.82
US$462,544 		1,874 +4.9% 246.82 US$462,544
2025-11-03 2025-11-03 B Purchase
2.9
Pesch Michael Robert

Vice President

Officer
538 +1.4%
245.85
US$132,269 		538 +1.4% 245.85 US$132,269
2025-09-23 2025-09-22 S Sale
3.0
HOWELL DOUGLAS K

VP & Chief Financial Officer

Officer
2,100 -2.0%
299.84
US$629,660 		2,100 -2.0% 299.84 US$629,660
2025-09-23 2025-09-22 S Sale
3.0
HOWELL DOUGLAS K

VP & Chief Financial Officer

Officer
5,900 -5.4%
299.44
US$1,766,684 		5,900 -5.4% 299.44 US$1,766,684
2025-09-22 2025-09-22 PrS Proposed sale
3.0
Douglas K. Howell

Officer

Officer
8,000
300.06
US$2,400,480 		8,000 300.06 US$2,400,480
2025-09-23 2025-09-19 S Sale
3.0
HOWELL DOUGLAS K

VP & Chief Financial Officer

Officer
3,400 -3.0%
299.71
US$1,019,007 		3,400 -3.0% 299.71 US$1,019,007
2025-09-23 2025-09-19 S Sale
3.0
HOWELL DOUGLAS K

VP & Chief Financial Officer

Officer
2,600 -2.3%
298.69
US$776,584 		2,600 -2.3% 298.69 US$776,584
2025-09-19 2025-09-19 PrS Proposed sale
3.0
Douglas K. Howell

Officer

Officer
6,000
299.65
US$1,797,900 		6,000 299.65 US$1,797,900
2025-09-17 2025-09-17 PrS Proposed sale
Matrix Trust Co

Trustee for the Arthur J Gallagher Rabbi Trust
15,000
291.46
US$4,371,900 		15,000 291.46 US$4,371,900
2025-09-11 2025-09-09 S Sale
3.0
HOWELL DOUGLAS K

VP & Chief Financial Officer

Officer
3,000 -2.5%
299.78
US$899,334 		3,000 -2.5% 299.78 US$899,334
2025-09-09 2025-09-09 PrS Proposed sale
3.0
Douglas K Howell

Officer

Officer
3,000
298.50
US$895,500 		3,000 298.50 US$895,500
2025-09-09 2025-09-08 S Sale
2.9
Hudson Scott R

Vice President

Officer
7,600 -8.1%
297.51
US$2,261,101 		7,600 -8.1% 297.51 US$2,261,101
2025-09-09 2025-09-08 S Sale
2.9
Hudson Scott R

Vice President

Officer
5,255 -5.8%
297.73
US$1,564,587 		5,255 -5.8% 297.73 US$1,564,587
2025-09-08 2025-09-08 PrS Proposed sale
2.9
Hudson Scott R

Officer

Officer
12,855
297.60
US$3,825,688 		12,855 297.60 US$3,825,688
2025-08-22 2025-08-21 S Sale
3.4
CARY RICHARD C

Controller, CAO

Officer
4,000 -6.6%
306.00
US$1,224,000 		4,000 -6.6% 306.00 US$1,224,000
2025-08-21 2025-08-21 PrS Proposed sale
3.4
CARY RICHARD C

Officer

Officer
4,000
306.00
US$1,224,000 		4,000 306.00 US$1,224,000
2025-06-20 2025-06-18 B Purchase
2.9
Pesch Michael Robert

President

Officer
59 +inf%
318.37
US$18,784 		59 +inf% 318.37 US$18,784
2025-06-18 2025-06-17 PrS Proposed sale
Matrix Trust Co

Trustee for the trust relating to the Plan
15,000
316.13
US$4,741,950 		15,000 316.13 US$4,741,950
2025-05-22 2025-05-21 S Sale
2.9
Hudson Scott R

Vice President

Officer
10,500 -10.3%
337.17
US$3,540,274 		10,500 -10.3% 337.17 US$3,540,274
2025-05-21 2025-05-21 PrS Proposed sale
2.9
Hudson Scott R

Officer

Officer
10,500
337.17
US$3,540,273 		10,500 337.17 US$3,540,273
2025-05-20 2025-05-19 S Sale
3.0
Pietrucha Susan E

Chief Human Resources Officer

Officer
13,500 -53.1%
344.13
US$4,645,728 		13,500 -53.1% 344.13 US$4,645,728
2025-05-19 2025-05-19 PrS Proposed sale
3.0
Pietrucha Susan E

Officer

Officer
13,500
344.13
US$4,645,722 		13,500 344.13 US$4,645,722
2025-05-20 2025-05-16 S Sale
2.8
JOHNSON DAVID S
Non-Executive Director
1,000 -2.2%
342.04
US$342,038 		1,000 -2.2% 342.04 US$342,038
2025-05-16 2025-05-16 PrS Proposed sale
2.8
JOHNSON DAVID S

Director

Non-Executive Director
1,000
342.04
US$342,038 		1,000 342.04 US$342,038
2025-05-09 2025-05-07 S Sale
3.4
CARY RICHARD C

Controller, CAO

Officer
12,000 -16.9%
339.51
US$4,074,120 		12,000 -16.9% 339.51 US$4,074,120
2025-05-07 2025-05-07 PrS Proposed sale
3.4
CARY RICHARD C

Officer

Officer
12,000
339.51
US$4,074,116 		12,000 339.51 US$4,074,116
2025-03-21 2025-03-21 PrS Proposed sale
2.9
Hudson Scott R

Officer

Officer
7,510
333.59
US$2,505,297 		7,510 333.59 US$2,505,297
2025-03-21 2025-03-21 S Sale
2.9
Hudson Scott R

Vice President

Officer
7,510 -7.7%
333.59
US$2,505,261 		7,510 -7.7% 333.59 US$2,505,261
2025-03-17 2025-03-14 PrS Proposed sale
Matrix Trust Co

Trustee for the Arthur J Gallagher Rabbi Trust
15,000
325.24
US$4,878,600 		15,000 325.24 US$4,878,600
2025-02-28 2025-02-27 S Sale
2.3
Gallagher Patrick Murphy

Chief Operating Officer

Officer
2,613 -5.7%
332.52
US$868,870 		2,613 -5.7% 332.52 US$868,870
2025-02-27 2025-02-27 PrS Proposed sale
Arthur J Gallagher Foundation

Affiliate
10,000
328.33
US$3,283,300 		10,000 328.33 US$3,283,300
2025-02-27 2025-02-27 PrS Proposed sale
2.3
Gallagher Patrick Murphy

Officer

Officer
2,613
332.52
US$868,869 		2,613 332.52 US$868,869
2025-02-19 2025-02-18 S Sale
2.4
Ziebell William F

VICE PRESIDENT

Officer
7,049 -15.0%
324.41
US$2,286,767 		7,049 -15.0% 324.41 US$2,286,767
2025-02-18 2025-02-18 PrS Proposed sale
2.4
Ziebell William F

Officer

Officer
7,049
324.41
US$2,286,767 		7,049 324.41 US$2,286,767
2025-02-14 2025-02-13 S Sale
2.7
Bay Walter D.

General Counsel

Officer
10,000 -11.9%
326.62
US$3,266,200 		10,000 -11.9% 326.62 US$3,266,200
2025-02-13 2025-02-13 PrS Proposed sale
2.7
Bay Walter D.

Officer

Officer
10,000
326.62
US$3,266,157 		10,000 326.62 US$3,266,157
2025-02-12 2025-02-12 PrS Proposed sale
2.8
JOHNSON DAVID S

Director

Non-Executive Director
325
322.06
US$104,670 		325 322.06 US$104,670
2025-02-12 2025-02-12 S Sale
2.8
JOHNSON DAVID S
Non-Executive Director
325 -0.7%
322.06
US$104,670 		325 -0.7% 322.06 US$104,670
2025-02-12 2025-02-10 S Sale
3.4
CARY RICHARD C

Controller, CAO

Officer
500 -0.7%
324.63
US$162,315 		500 -0.7% 324.63 US$162,315
2025-02-12 2025-02-10 S Sale
3.4
CARY RICHARD C

Controller, CAO

Officer
3,923 -5.3%
324.12
US$1,271,523 		3,923 -5.3% 324.12 US$1,271,523
2025-02-12 2025-02-10 S Sale
3.4
CARY RICHARD C

Controller, CAO

Officer
1,907 -2.5%
322.95
US$615,866 		1,907 -2.5% 322.95 US$615,866
2025-02-12 2025-02-10 S Sale
3.4
CARY RICHARD C

Controller, CAO

Officer
2,270 -2.9%
321.91
US$730,736 		2,270 -2.9% 321.91 US$730,736
2025-02-12 2025-02-10 S Sale
3.4
CARY RICHARD C

Controller, CAO

Officer
1,400 -1.8%
321.03
US$449,442 		1,400 -1.8% 321.03 US$449,442
2025-02-10 2025-02-10 PrS Proposed sale
3.4
CARY RICHARD C

Officer

Officer
10,000
322.99
US$3,229,895 		10,000 322.99 US$3,229,895
2025-02-05 2025-02-03 S Sale
2.8
Mead Christopher E

VICE PRESIDENT

Officer
2,900 -16.5%
302.61
US$877,569 		2,900 -16.5% 302.61 US$877,569
2025-02-05 2025-02-03 S Sale
2.4
BARRAT SHERRY S
Non-Executive Director
2,500 -13.1%
304.33
US$760,831 		2,500 -13.1% 304.33 US$760,831
2025-02-05 2025-02-03 S Sale
2.9
Hudson Scott R

Vice President

Officer
23,042 -19.7%
306.59
US$7,064,484 		23,042 -19.7% 306.59 US$7,064,484
2025-02-03 2025-02-03 PrS Proposed sale
2.9
Hudson Scott R

Officer

Officer
23,042
306.59
US$7,064,484 		23,042 306.59 US$7,064,484
2025-02-03 2025-02-03 PrS Proposed sale
2.4
BARRAT SHERRY S

Director

Non-Executive Director
2,500
304.33
US$760,831 		2,500 304.33 US$760,831
2025-02-03 2025-02-03 PrS Proposed sale
2.8
Mead Christopher E

Officer

Officer
2,900
302.61
US$877,569 		2,900 302.61 US$877,569
2024-12-23 2024-12-23 B Purchase
2.3
Gallagher Patrick Murphy

Chief Operating Officer

Officer
1,115 +2.8%
284.14
US$316,814 		1,115 +2.8% 284.14 US$316,814
2024-12-12 2024-12-10 PrS Proposed sale
Matrix Trust Co

Trustee for the Arthur J Gallagher Rabbi Trust
15,000
283.74
US$4,256,100 		15,000 283.74 US$4,256,100
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