Arthur J. Gallagher & Co. (AJG)
Arthur J. Gallagher & Co. (AJG) Insider Trading
Directors, officers and holders of more than 10% of AJG report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 430 transactions on file: 0 with code P, 5 with code S and 45 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 15, 2026 | CARY RICHARD C | Controller, CAO | S Sale | 1,000 | $252.86 | $252,858 |
| Sep 8, 2026 | GALLAGHER J PATRICK JR | CEO | G Gift | 49,988 | Not measured | Not measured |
| Sep 8, 2026 | Gallagher Patrick Murphy | Chief Operating Officer | G Gift | 49,988 | Not measured | Not measured |
| Sep 2, 2026 | Hudson Scott R | Vice President | S Sale | 12,000 | $264.13 | $3,169,596 |
| Sep 2, 2026 | Hudson Scott R | Vice President | M Exercise | 12,000 | $86.17 | $1,034,040 |
| Sep 2, 2026 | Hudson Scott R | Vice President | M Exercise | 12,000 | Not measured | Not measured |
| Sep 1, 2026 | Miskel Christopher C. | Director | A Award | 153 | $262.00 | $40,000 |
| Aug 24, 2026 | Bay Walter D. | General Counsel | S Sale | 12,000 | $270.08 | $3,240,972 |
| Aug 19, 2026 | Mead Christopher E | VICE PRESIDENT | S Sale | 3,500 | $257.02 | $899,587 |
| Aug 19, 2026 | Mead Christopher E | VICE PRESIDENT | M Exercise | 3,500 | Not measured | Not measured |
| Aug 19, 2026 | Mead Christopher E | VICE PRESIDENT | M Exercise | 3,500 | $86.17 | $301,595 |
| Aug 16, 2026 | Bloom Mark H. | Vice President | M Exercise | 1,280 | Not measured | Not measured |
| Aug 16, 2026 | Bloom Mark H. | Vice President | F Tax Payment | 607 | $251.21 | $152,438 |
| Aug 16, 2026 | Bloom Mark H. | Vice President | M Exercise | 1,280 | Not measured | Not measured |
| Aug 5, 2026 | Gallagher Patrick Murphy | Chief Operating Officer | G Gift | 23,800 | Not measured | Not measured |
| Jul 1, 2026 | GALLAGHER THOMAS JOSEPH | President | M Exercise | 352 | $229.57 | $80,796 |
| Jul 1, 2026 | Jain Vishal | VICE PRESIDENT | M Exercise | 2,163 | $229.57 | $496,490 |
| Jul 1, 2026 | Pesch Michael Robert | Vice President | M Exercise | 356 | $229.57 | $81,681 |
| Jul 1, 2026 | Jain Vishal | VICE PRESIDENT | M Exercise | 2,163 | Not measured | Not measured |
| Jul 1, 2026 | GALLAGHER THOMAS JOSEPH | President | M Exercise | 352 | Not measured | Not measured |
| Jul 1, 2026 | Pesch Michael Robert | Vice President | M Exercise | 356 | Not measured | Not measured |
| Jun 22, 2026 | HOWELL DOUGLAS K | VP & Chief Financial Officer | I Discretionary | 12,954 | $209.08 | $2,708,503 |
| Jun 2, 2026 | CARY RICHARD C | Controller, CAO | S Sale | 3,000 | $206.00 | $618,000 |
| Jun 1, 2026 | JOHNSON DAVID S | Director | A Award | 237 | $206.10 | $48,750 |
| Jun 1, 2026 | Miskel Christopher C. | Director | A Award | 194 | $206.10 | $40,000 |
| May 26, 2026 | Gallagher Patrick Murphy | Chief Operating Officer | G Gift | 14,698 | Not measured | Not measured |
| May 26, 2026 | GALLAGHER J PATRICK JR | CEO | G Gift | 14,698 | Not measured | Not measured |
| May 12, 2026 | Miskel Christopher C. | Director | A Award | 1,110 | Not measured | Not measured |
| May 12, 2026 | ROSENTHAL NORMAN L | Director | A Award | 1,110 | Not measured | Not measured |
| May 12, 2026 | Coldman David John | Director | A Award | 1,110 | Not measured | Not measured |
| May 12, 2026 | Harries Richard de Winton Wilkin | Director | A Award | 1,110 | Not measured | Not measured |
| May 12, 2026 | Caplan Deborah H | Director | A Award | 1,110 | Not measured | Not measured |
| May 12, 2026 | NICOLETTI RALPH J | Director | A Award | 1,110 | Not measured | Not measured |
| May 12, 2026 | Clarke Teresa Hillary | Director | A Award | 1,110 | Not measured | Not measured |
| May 12, 2026 | JOHNSON DAVID S | Director | A Award | 1,110 | Not measured | Not measured |
| Mar 31, 2026 | Ziebell William F | VICE PRESIDENT | F Tax Payment | 51 | $215.95 | $10,996 |
| Mar 31, 2026 | Jain Vishal | VICE PRESIDENT | F Tax Payment | 51 | $215.95 | $10,996 |
| Mar 31, 2026 | Jain Vishal | VICE PRESIDENT | M Exercise | 51 | $215.95 | $10,996 |
| Mar 31, 2026 | Ziebell William F | VICE PRESIDENT | M Exercise | 51 | $215.95 | $10,996 |
| Mar 31, 2026 | HOWELL DOUGLAS K | VP & Chief Financial Officer | M Exercise | 76 | $215.95 | $16,495 |
| Mar 31, 2026 | HOWELL DOUGLAS K | VP & Chief Financial Officer | F Tax Payment | 76 | $215.95 | $16,495 |
| Mar 31, 2026 | GALLAGHER J PATRICK JR | CEO | F Tax Payment | 2,369 | $215.95 | $511,586 |
| Mar 31, 2026 | GALLAGHER J PATRICK JR | CEO | M Exercise | 5,346 | $215.95 | $1,154,448 |
| Mar 31, 2026 | Hudson Scott R | Vice President | M Exercise | 64 | $215.95 | $13,745 |
| Mar 31, 2026 | GALLAGHER THOMAS JOSEPH | President | M Exercise | 76 | $215.95 | $16,495 |
| Mar 31, 2026 | GALLAGHER THOMAS JOSEPH | President | F Tax Payment | 76 | $215.95 | $16,495 |
| Mar 31, 2026 | Bay Walter D. | General Counsel | M Exercise | 1,415 | $215.95 | $305,589 |
| Mar 31, 2026 | Bay Walter D. | General Counsel | F Tax Payment | 627 | $215.95 | $135,401 |
| Mar 31, 2026 | Bay Walter D. | General Counsel | M Exercise | 1,415 | Not measured | Not measured |
| Mar 31, 2026 | CARY RICHARD C | Controller, CAO | M Exercise | 472 | $215.95 | $101,863 |
The full Form 4 history is on the AJG company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.