// company-profile

Arthur J. Gallagher & Co.

AJG
ExchangeNYSESectorInsurance Agents, Brokers & ServiceInc.DEFilings319Insiders25
// api This Arthur J. Gallagher & Co. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

Recent insider activity is bullish. Over the last 30 days, 2 insiders purchased shares versus 1 sale. Buying was led by JOHNSON DAVID S.

// 90-day insight

Over the last 90 days, Arthur J. Gallagher & Co. insiders bought $1.7M (26 transactions) and sold $1.4M (9 transactions).

  • Most active insider: GALLAGHER J PATRICK JR with 4 transactions totaling $1.7M.
  • Largest single purchase: $1.2M by GALLAGHER J PATRICK JR on Mar 31, 2026.

Activity skews bullish — buys outpace sales.

Institutional Ownership

Top 13F-HR holders of Arthur J. Gallagher & Co. as of 2026-03-31

↓ decreasing
Total reported AUM
$41.38B
QoQ change
-22.1%
Reporting period
2026-03-31
#1
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$3.62B
16.7M shares
#2
Capital World Investors
CIK 1422849
$2.99B
13.8M shares
#3
STATE STREET CORP
CIK 93751
$2.38B
11.0M shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Jun 2, 2026CARY RICHARD CAJG
Sale
3,000$206.00$618K
Jun 1, 2026JOHNSON DAVID SAJG
Award
236.536$206.10$49K
Jun 1, 2026Miskel Christopher C.AJG
Award
194.081$206.10$40K
May 26, 2026GALLAGHER J PATRICK JRAJG
Gift
14,698$0.00$0K
May 26, 2026Gallagher Patrick MurphyAJG
Gift
14,698$0.00$0K

45 more transactions hidden

Free account · No credit card required

Building something? Get API access →

Popular companies on Form4API

Browse insider trading activity for other actively-filed companies.