AJG insider transaction filings
Arthur J. Gallagher & Co. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-17. Screen AJG transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 13 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 4 legs across 4 filings by 4 insiders — 28,500 shares, $7,563,014 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 18.
- Largest priced transaction: sale of 12,000 shares @ $270.08 ($3,240,972) by Bay Walter D., filed 2026-08-26.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| Bay Walter D. — General Counsel | 1 | — | 1 leg · 12,000 sh · $3,240,972 | — |
| Hudson Scott R — Vice President | 1 | — | 1 leg · 12,000 sh · $3,169,596 | 2 |
| Mead Christopher E — VICE PRESIDENT | 1 | — | 1 leg · 3,500 sh · $899,587 | 2 |
| CARY RICHARD C — Controller, CAO | 1 | — | 1 leg · 1,000 sh · $252,858 | — |
| Bloom Mark H. — Vice President | 1 | — | — | 3 |
| GALLAGHER THOMAS JOSEPH — President | 1 | — | — | 2 |
| Gallagher Patrick Murphy — Chief Operating Officer | 2 | — | — | 2 |
| Jain Vishal — VICE PRESIDENT | 1 | — | — | 2 |
| Pesch Michael Robert — Vice President | 1 | — | — | 2 |
| GALLAGHER J PATRICK JR — CEO, Director | 1 | — | — | 1 |
+2 more insiders in the window, not shown — every filing appears in the table below.
Recent Form 4 filings — Arthur J. Gallagher & Co.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-17 | 4 | CARY RICHARD C — Controller, CAO | Sale (S): 1,000 @ $252.86 | EDGAR |
| 2026-09-10 | 4 | Gallagher Patrick Murphy — Chief Operating Officer | Gift (G): 49,988 @ $0 | EDGAR |
| 2026-09-10 | 4 | GALLAGHER J PATRICK JR — CEO, Director | Gift (G): 49,988 @ $0 | EDGAR |
| 2026-09-04 | 4 | Hudson Scott R — Vice President | Option exercise (M): 12,000 @ $86.17 · Sale (S): 12,000 @ $264.13 · Option exercise (M): 12,000 (derivative) @ $0 | EDGAR |
| 2026-09-02 | 4 | Miskel Christopher C. — Director | Grant/award (A): 152.67 @ $262 | EDGAR |
| 2026-08-26 | 4 | Bay Walter D. — General Counsel | Sale (S): 12,000 @ $270.08 | EDGAR |
| 2026-08-20 | 4 | Mead Christopher E — VICE PRESIDENT | Option exercise (M): 3,500 @ $86.17 · Sale (S): 3,500 @ $257.02 · Option exercise (M): 3,500 (derivative) @ $0 | EDGAR |
| 2026-08-18 | 4 | Bloom Mark H. — Vice President | Option exercise (M): 1,280.48 @ $0 · Tax withholding (F): 606.81 @ $251.21 · Option exercise (M): 1,280.48 (derivative) @ $0 | EDGAR |
| 2026-08-07 | 4 | Gallagher Patrick Murphy — Chief Operating Officer | Gift (G): 23,800 @ $0 | EDGAR |
| 2026-07-06 | 4 | Pesch Michael Robert — Vice President | Option exercise (M): 355.80 @ $229.57 · Option exercise (M): 355.80 (derivative) @ $0 | EDGAR |
| 2026-07-06 | 4 | Jain Vishal — VICE PRESIDENT | Option exercise (M): 2,162.69 @ $229.57 · Option exercise (M): 2,162.69 (derivative) @ $0 | EDGAR |
| 2026-07-06 | 4 | GALLAGHER THOMAS JOSEPH — President | Option exercise (M): 351.94 @ $229.57 · Option exercise (M): 351.94 (derivative) @ $0 | EDGAR |
| 2026-06-24 | 4 | HOWELL DOUGLAS K — VP & Chief Financial Officer | Code (I): 12,954.39 (derivative) @ $209.08 | EDGAR |
| 2026-06-02 | 4 | Miskel Christopher C. — Director | Grant/award (A): 194.08 @ $206.10 | EDGAR |
| 2026-06-02 | 4 | JOHNSON DAVID S — Director | Grant/award (A): 236.54 @ $206.10 | EDGAR |
| 2026-06-02 | 4 | CARY RICHARD C — Controller, CAO | Sale (S): 3,000 @ $206 | EDGAR |
| 2026-05-28 | 4 | Gallagher Patrick Murphy — Chief Operating Officer | Gift (G): 14,698 @ $0 | EDGAR |
| 2026-05-28 | 4 | GALLAGHER J PATRICK JR — CEO, Director | Gift (G): 14,698 @ $0 | EDGAR |
| 2026-05-13 | 4 | Harries Richard de Winton Wilkin — Director | Grant/award (A): 1,110 @ $0 | EDGAR |
| 2026-05-13 | 4 | Clarke Teresa Hillary — Director | Grant/award (A): 1,110 @ $0 | EDGAR |
| 2026-05-13 | 4 | Miskel Christopher C. — Director | Grant/award (A): 1,110 @ $0 | EDGAR |
| 2026-05-13 | 4 | Coldman David John — Director | Grant/award (A): 1,110 @ $0 | EDGAR |
| 2026-05-13 | 4 | Caplan Deborah H — Director | Grant/award (A): 1,110 @ $0 | EDGAR |
| 2026-05-13 | 4 | NICOLETTI RALPH J — Director | Grant/award (A): 1,110 @ $0 | EDGAR |
| 2026-05-13 | 4 | JOHNSON DAVID S — Director | Grant/award (A): 1,110 @ $0 | EDGAR |
| 2026-05-13 | 4 | ROSENTHAL NORMAN L — Director | Grant/award (A): 1,110 @ $0 | EDGAR |
| 2026-04-02 | 4 | Jain Vishal — VICE PRESIDENT | Option exercise (M): 50.92 @ $215.95 · Tax withholding (F): 50.92 @ $215.95 · Option exercise (M): 50.92 (derivative) @ $0 | EDGAR |
| 2026-04-02 | 4 | Ziebell William F — VICE PRESIDENT | Option exercise (M): 50.92 @ $215.95 · Tax withholding (F): 50.92 @ $215.95 · Option exercise (M): 50.92 (derivative) @ $0 | EDGAR |
| 2026-04-02 | 4 | GALLAGHER THOMAS JOSEPH — President | Option exercise (M): 76.38 @ $215.95 · Tax withholding (F): 76.38 @ $215.95 · Option exercise (M): 76.38 (derivative) @ $0 | EDGAR |
| 2026-04-02 | 4 | Hudson Scott R — Vice President | Option exercise (M): 63.65 @ $215.95 · Tax withholding (F): 63.65 @ $215.95 · Option exercise (M): 63.65 (derivative) @ $0 | EDGAR |
| 2026-04-02 | 4 | HOWELL DOUGLAS K — VP & Chief Financial Officer | Option exercise (M): 76.38 @ $215.95 · Tax withholding (F): 76.38 @ $215.95 · Option exercise (M): 76.38 (derivative) @ $0 | EDGAR |
| 2026-04-01 | 4 | Bay Walter D. — General Counsel | Option exercise (M): 1,415.09 @ $215.95 · Tax withholding (F): 627 @ $215.95 · Option exercise (M): 1,415.09 (derivative) @ $0 | EDGAR |
| 2026-04-01 | 4 | GALLAGHER J PATRICK JR — CEO, Director | Option exercise (M): 5,345.90 @ $215.95 · Tax withholding (F): 2,369 @ $215.95 · Option exercise (M): 5,345.90 (derivative) @ $0 | EDGAR |
| 2026-04-01 | 4 | CARY RICHARD C — Controller, CAO | Option exercise (M): 471.70 @ $215.95 · Tax withholding (F): 139 @ $215.95 · Option exercise (M): 471.70 (derivative) @ $0 | EDGAR |
| 2026-03-24 | 4 | Gallagher Patrick Murphy — Chief Operating Officer | Gift (G): 704 @ $0 · Gift (G): 704 @ $0 · Code (I): 1,444.73 (derivative) @ $214.82 | EDGAR |
| 2026-03-24 | 4 | GALLAGHER THOMAS JOSEPH — President | Gift (G): 264 @ $0 · Gift (G): 264 @ $0 · Gift (G): 528 @ $0 · Gift (G): 264 @ $0 · Gift (G): 264 @ $0 · Gift (G): 176 @ $0 | EDGAR |
| 2026-03-18 | 4 | Pesch Michael Robert — Vice President | Tax withholding (F): 525 @ $207.93 | EDGAR |
| 2026-03-18 | 4 | Ziebell William F — VICE PRESIDENT | Grant/award (A): 6,930 @ $0 · Option exercise (M): 6,930 @ $0 · Option exercise (M): 6,930 @ $0 · Tax withholding (F): 2,321 @ $207.93 | EDGAR |
| 2026-03-17 | 4 | Gallagher Patrick Murphy — Chief Operating Officer | Grant/award (A): 4,620 @ $0 · Option exercise (M): 4,620 @ $0 · Option exercise (M): 4,620 @ $0 · Tax withholding (F): 1,962 @ $207.93 · Tax withholding (F): 525 @ $207.93 | EDGAR |
| 2026-03-17 | 4 | Jain Vishal — VICE PRESIDENT | Grant/award (A): 6,214 @ $0 · Option exercise (M): 6,214 @ $0 · Tax withholding (F): 2,645 @ $207.93 · Tax withholding (F): 501 @ $207.93 | EDGAR |
| 2026-03-17 | 4 | Bloom Mark H. — Vice President | Grant/award (A): 3,506 @ $0 · Option exercise (M): 3,506 @ $0 · Option exercise (M): 3,506 @ $0 · Tax withholding (F): 793 @ $207.93 | EDGAR |
| 2026-03-17 | 4 | Mead Christopher E — VICE PRESIDENT | Grant/award (A): 5,258 @ $0 · Option exercise (M): 5,258 @ $0 · Option exercise (M): 5,258 @ $0 · Tax withholding (F): 2,019 @ $207.93 · Tax withholding (F): 432 @ $207.93 | EDGAR |
| 2026-03-17 | 4 | GALLAGHER THOMAS JOSEPH — President | Grant/award (A): 9,560 @ $0 · Option exercise (M): 9,560 @ $0 · Option exercise (M): 9,560 @ $0 · Tax withholding (F): 4,068 @ $207.93 | EDGAR |
| 2026-03-17 | 4 | Hudson Scott R — Vice President | Grant/award (A): 7,170 @ $0 · Option exercise (M): 7,170 @ $0 · Option exercise (M): 7,170 @ $0 · Tax withholding (F): 2,828 @ $207.93 | EDGAR |
| 2026-03-17 | 4 | Bay Walter D. — General Counsel | Grant/award (A): 7,090 @ $0 · Option exercise (M): 7,090 @ $0 · Option exercise (M): 7,090 @ $0 · Tax withholding (F): 2,411 @ $207.93 | EDGAR |
| 2026-03-17 | 4 | Pietrucha Susan E — Chief Human Resources Officer | Grant/award (A): 6,612 @ $0 · Option exercise (M): 6,612 @ $0 · Option exercise (M): 6,612 @ $0 · Tax withholding (F): 2,186 @ $207.93 | EDGAR |
| 2026-03-17 | 4 | HOWELL DOUGLAS K — VP & Chief Financial Officer | Option exercise (M): 14,100 @ $79.59 · Tax withholding (F): 8,638 @ $207.93 · Grant/award (A): 9,082 @ $0 · Option exercise (M): 9,082 @ $0 · Option exercise (M): 9,082 @ $0 · Tax withholding (F): 3,865 @ $207.93 · +1 more | EDGAR |
| 2026-03-17 | 4 | GALLAGHER J PATRICK JR — CEO, Director | Grant/award (A): 45,048 @ $0 · Option exercise (M): 45,048 @ $0 · Option exercise (M): 45,048 @ $0 · Tax withholding (F): 19,168 @ $207.93 | EDGAR |
| 2026-03-17 | 4 | CARY RICHARD C — Controller, CAO | Tax withholding (F): 181 @ $207.93 | EDGAR |
| 2026-03-10 | 4 | Jain Vishal — VICE PRESIDENT | Option exercise (M): 8,450 @ $79.59 · Tax withholding (F): 4,326 @ $219.19 · Option exercise (M): 8,450 (derivative) @ $0 | EDGAR |
Recent 8-K events — Arthur J. Gallagher & Co.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-27 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2026-07-30 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure | EDGAR |
| 2026-07-29 | 8-K | 8.01 — Other Events | EDGAR |
| 2026-06-17 | 8-K | 7.01 — Regulation FD Disclosure | EDGAR |
| 2026-05-13 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-04-30 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-17 | 8-K | 7.01 — Regulation FD Disclosure | EDGAR |
| 2026-03-12 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2026-01-29 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-12-16 | 8-K | 7.01 — Regulation FD Disclosure | EDGAR |
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