Gallagher Insider Files Form 4 on AJG Ownership Change

TL;DR

**Insider Gallagher filed a Form 4 for AJG, watch for transaction details.**

AI Summary

Patrick Murphy Gallagher, a reporting insider, filed a Form 4 on March 24, 2026, indicating a change in his beneficial ownership of securities in Arthur J. Gallagher & Co. (AJG). While the filing itself doesn't detail the specific transaction (buy or sell), it signals an insider activity that investors should monitor. This matters because insider transactions can provide clues about the company's future prospects, as insiders often have a deeper understanding of the company's health and outlook.

Why It Matters

Insider filings like this can signal confidence or concern from those closest to the company, potentially influencing investor sentiment and stock price.

Risk Assessment

Risk Level: low — This filing is a routine disclosure of insider activity and does not inherently indicate high risk without further transaction details.

Analyst Insight

A smart investor would look for the specific transaction details within the Form 4 document to understand if Gallagher Patrick Murphy bought or sold shares, and the quantity, to gauge insider sentiment towards Arthur J. Gallagher & Co. (AJG).

Key Players & Entities

• Gallagher Patrick Murphy (person) — Reporting insider
• Arthur J. Gallagher & Co. (company) — Issuer of securities
• 0000354190 (company) — CIK for Arthur J. Gallagher & Co.
• 0001929606 (person) — CIK for Gallagher Patrick Murphy

FAQ

Key Financial Figures

• $310,357.10 — n stock. 5. The reporting person moved $310,357.10 in assets that he holds in the company'

Filing Documents

• form4.html (4)
• form4.xml (4) — 24KB
• 0000354190-26-000106.txt ( ) — 26KB

From the Filing

SEC FORM 4 SEC Form 4 FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940 OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5    Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).    Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10. 1. Name and Address of Reporting Person * Gallagher Patrick Murphy (Last) (First) (Middle) 2850 GOLF ROAD (Street) ROLLING MEADOWS ILLINOIS 60008 (City) (State) (Zip) UNITED STATES (Country) 2. Issuer Name and Ticker or Trading Symbol Arthur J. Gallagher & Co. [ AJG ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) Chief Operating Officer 2a. Foreign Trading Symbol 3. Date of Earliest Transaction (Month/Day/Year) 03/20/2026 6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person 4. If Amendment, Date of Original Filed (Month/Day/Year) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 03/23/2026 G 704 D $ 0 14,071.6637 D Common Stock 03/23/2026 G 704 A $ 0 11,264 I By Spouse as Trustee (1) Common Stock 491.136 I Gallagher 401(k) plan account Common Stock 77,062 I By Spouse's Trust (2) Common Stock 83,407.25 I By Trust Common Stock 21,032 I By Trust (3) Common Stock 55,109 I By Irrevocable Trust Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Notional Stock Units (4) 03/20/2026 I 1,444.731 (5) (6) (7) Common Stock 1,444.731 $ 214.82 2,351.803 D Non-qualified Stock Option $ 228.2 (8) 03/01/2033 Common Stock 17,775 17,775 D Phantom Stock (9) (10) (10) Common Stock 17,660.851 17,660.851 D Non-qualified Stock Option $ 337.74 (11) (12) 03/01/2032 Common Stock 11,901 11,901 D Non-qualified Stock Option $ 243.54 (13) 03/01/2031 Common Stock 11,386 11,386 D Non-qualified Stock Option $ 127.9 (12) (14) 03/16/2028 Common Stock 7,255 7,255 D Non-qualified Stock Option $ 86.17 (12) (15) 03/12/2027 Common Stock 6,270 6,270 D Non-qualified Stock Option $ 177.09 (16) 03/15/2030 Common Stock 6,160 6,160 D Non-qualified Stock Option $ 158.56 (12) (17) 03/15/2029 Common Stock 5,510 5,510 D Phantom Stock (9) (18) (18) Common Stock 3,804.562 3,804.562 D Explanation of Responses: 1. Shares held in trusts, for the benefit of the reporting person's children, of which his wife is sole trustee. 2. Shares held in a revocable trust and an irrevocable trust of which the reporting person's spouse is sole Trustee and as to which he disclaims beneficial ownership 3. Shares held in trust for the benefit of the reporting person's children, of which he is a trustee. 4. Each notional stock unit represents a right to receive one share of Gallagher common stock. 5. The reporting person moved $310,357.10 in assets that he holds in the company's Supplemental Savings and Thrift Plan, a nonqualified deferred compensation plan, into the investment option representing Gallagher common stock, which is a discretionary transaction by the reporting person. 6. The notional stock units become payable following the reporting person's separ

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