Arthur J. Gallagher & Co. SEC Filings

Jain Vishal bought 2,163 shares of Common Stock at $229.57 on 2026-07-01; Jain Vishal transacted N/A shares of Common Stock at $N/A on N/A; Jain Vishal sold 2,163 shares of Notional Stock Units at $N/A on 2026-07-01; Jain Vishal transacted N/A shares of Phantom Stock at $N/A on N/A; Jain Vishal transacted N/A shares of Non-qualified Stock Option at $N/A on N/A

GALLAGHER THOMAS JOSEPH bought 352 shares of Common Stock at $229.57 on 2026-07-01; GALLAGHER THOMAS JOSEPH transacted N/A shares of Common Stock at $N/A on N/A; GALLAGHER THOMAS JOSEPH sold 352 shares of Notional Stock Units at $N/A on 2026-07-01; GALLAGHER THOMAS JOSEPH transacted N/A shares of Non-qualified Stock Option at $N/A on N/A; GALLAGHER THOMAS JOSEPH transacted N/A shares of Phantom Stock at $N/A on N/A

Pesch Michael Robert bought 356 shares of Common Stock at $229.57 on 2026-07-01; Pesch Michael Robert transacted N/A shares of Common Stock at $N/A on N/A; Pesch Michael Robert sold 356 shares of Notional Stock Units at $N/A on 2026-07-01; Pesch Michael Robert transacted N/A shares of Phantom Stock at $N/A on N/A; Pesch Michael Robert transacted N/A shares of Non-qualified Stock Option at $N/A on N/A

HOWELL DOUGLAS K transacted N/A shares of Common Stock at $N/A on N/A; HOWELL DOUGLAS K sold 12,954 shares of Notional Stock Units at $209.08 on 2026-06-22; HOWELL DOUGLAS K transacted N/A shares of Notional Stock Units at $N/A on N/A; HOWELL DOUGLAS K transacted N/A shares of Non-qualified Stock Option at $N/A on N/A; HOWELL DOUGLAS K transacted N/A shares of Phantom Stock at $N/A on N/A

CARY RICHARD C sold 3,000 shares of Common Stock at $206.00 on 2026-06-02; CARY RICHARD C transacted N/A shares of Common Stock at $N/A on N/A; CARY RICHARD C transacted N/A shares of Non-qualified Stock Option at $N/A on N/A; CARY RICHARD C transacted N/A shares of Notional Stock Units at $N/A on N/A; CARY RICHARD C transacted N/A shares of Phantom Stock at $N/A on N/A

JOHNSON DAVID S bought 237 shares of Common Stock at $206.10 on 2026-06-01

Miskel Christopher C. bought 194 shares of Common Stock at $206.10 on 2026-06-01

Gallagher Patrick Murphy bought 14,698 shares of Common Stock at $N/A on 2026-05-26; Gallagher Patrick Murphy transacted N/A shares of Common Stock at $N/A on N/A; Gallagher Patrick Murphy transacted N/A shares of Non-qualified Stock Option at $N/A on N/A; Gallagher Patrick Murphy transacted N/A shares of Phantom Stock at $N/A on N/A; Gallagher Patrick Murphy transacted N/A shares of Notional Stock Units at $N/A on N/A

GALLAGHER J PATRICK JR sold 14,698 shares of Common Stock at $N/A on 2026-05-26; GALLAGHER J PATRICK JR transacted N/A shares of Common Stock at $N/A on N/A; GALLAGHER J PATRICK JR transacted N/A shares of Notional Stock Units at $N/A on N/A; GALLAGHER J PATRICK JR transacted N/A shares of Phantom Stock at $N/A on N/A; GALLAGHER J PATRICK JR transacted N/A shares of Non-qualified Stock Option at $N/A on N/A

Caplan Deborah H bought 1,110 shares of Common Stock at $N/A on 2026-05-12

Clarke Teresa Hillary bought 1,110 shares of Common Stock at $N/A on 2026-05-12

Coldman David John bought 1,110 shares of Common Stock at $N/A on 2026-05-12

Harries Richard de Winton Wilkin bought 1,110 shares of Common Stock at $N/A on 2026-05-12

JOHNSON DAVID S bought 1,110 shares of Common Stock at $N/A on 2026-05-12

Miskel Christopher C. bought 1,110 shares of Common Stock at $N/A on 2026-05-12

NICOLETTI RALPH J bought 1,110 shares of Common Stock at $N/A on 2026-05-12

ROSENTHAL NORMAN L bought 1,110 shares of Common Stock at $N/A on 2026-05-12