Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 28 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Sept. 15, 2006 AON M 394 · · 1,375 Direct -22.27% Disposed (price as of 2026-10-02)
Sept. 15, 2006 AON F 156 $34.42 $5,370 172,039 Direct -0.09% Disposed 682.8% (price as of 2026-10-02)
Sept. 15, 2006 AON M 394 · · 172,195 Direct +0.23% Acquired (price as of 2026-10-02)
March 20, 2006 AON M 4,500 · · 9,000 Direct -33.33% Disposed (price as of 2026-10-02)
March 20, 2006 AON F 1,326 $40.90 $54,233 171,792 Direct -0.77% Disposed 558.8% (price as of 2026-10-02)
March 20, 2006 AON M 4,500 · · 173,118 Direct +2.67% Acquired (price as of 2026-10-02)
March 19, 2006 AON M 1,500 · · 6,000 Direct -20.00% Disposed (price as of 2026-10-02)
March 19, 2006 AON F 442 $41.36 $18,281 168,618 Direct -0.26% Disposed 551.5% (price as of 2026-10-02)
March 19, 2006 AON M 1,500 · · 169,060 Direct +0.90% Acquired (price as of 2026-10-02)
March 17, 2006 AON M 999 · · 3,493 Direct -22.24% Disposed (price as of 2026-10-02)
March 17, 2006 AON F 295 $41.36 $12,201 167,560 Direct -0.18% Disposed 551.5% (price as of 2026-10-02)
March 17, 2006 AON M 999 · · 167,855 Direct +0.60% Acquired (price as of 2026-10-02)
March 17, 2006 AON F 13,807 $41.36 $571,058 166,856 Direct -7.64% Disposed 551.5% (price as of 2026-10-02)
March 17, 2006 AON A 35,000 · · 180,663 Direct +24.03% Acquired (price as of 2026-10-02)
March 16, 2006 AON A 27,309 · · 27,309 Direct · Acquired (price as of 2026-10-02)
March 16, 2006 AON A 27,500 · · 27,500 Direct · Acquired (price as of 2026-10-02)
March 16, 2006 AON A 8,739 · · 8,739 Direct · Acquired (price as of 2026-10-02)
Sept. 15, 2005 AON A 1,769 · · 1,769 Direct · Acquired (price as of 2026-10-02)
Sept. 15, 2005 AON A 1,392 · · 1,392 Direct · Acquired (price as of 2026-10-02)
March 20, 2005 AON M 4,500 · · 13,500 Direct -25.00% Disposed (price as of 2026-10-02)
March 20, 2005 AON F 1,325 $22.94 $30,396 145,613 Direct -0.90% Disposed 1074.6% (price as of 2026-10-02)
March 20, 2005 AON M 4,500 $22.94 $103,230 146,938 Direct +3.16% Acquired 1074.6% (price as of 2026-10-02)
March 19, 2005 AON M 1,500 · · 7,500 Direct -16.67% Disposed (price as of 2026-10-02)
March 19, 2005 AON F 441 $22.94 $10,117 142,438 Direct -0.31% Disposed 1074.6% (price as of 2026-10-02)
March 19, 2005 AON M 1,500 $22.94 $34,410 142,879 Direct +1.06% Acquired 1074.6% (price as of 2026-10-02)
March 17, 2005 AON A 100,000 · · 100,000 Direct · Acquired (price as of 2026-10-02)
March 17, 2005 AON A 4,492 · · 4,492 Direct · Acquired (price as of 2026-10-02)
March 17, 2005 AON A 25,000 · · 25,000 Direct · Acquired (price as of 2026-10-02)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Sept. 15, 2006 AON Restricted Stock Unit Award (Right to Receive) Common Stock (394) · Sept. 15, 2006 394 Disposed
March 20, 2006 AON Restricted Stock Unit Award (Right to Receive) Common Stock (4,500) · March 20, 2006 4,500 Disposed
March 19, 2006 AON Restricted Stock Unit Award (Right to Receive) Common Stock (1,500) · March 19, 2006 1,500 Disposed
March 17, 2006 AON Restricted Stock Unit Award (Right to Receive) Common Stock (999) · March 17, 2006 999 Disposed
March 16, 2006 AON Employee Stock Option (Right to Buy) Common Stock (27,309) $41.50 March 16, 2012 27,309 Acquired
March 16, 2006 AON Restricted Stock Unit Award (Right to Receive) Common Stock (27,500) · Dec. 31, 2007 27,500 Acquired
March 16, 2006 AON Restricted Stock Unit Award (Right to Receive) Common Stock (8,739) · March 16, 2009 8,739 Acquired
Sept. 15, 2005 AON Stock Award (Right to Receive) Common Stock · Sept. 15, 2008 1,769 Acquired
Sept. 15, 2005 AON Stock Award (Right to Receive) Common Stock (1,392) · Sept. 15, 2008 1,392 Acquired
March 20, 2005 AON Stock Award (Right to Receive) Common Stock (4,500) · March 20, 2005 4,500 Disposed
March 19, 2005 AON Stock Award (Right to Receive) Common Stock (1,500) · March 19, 2005 1,500 Disposed
March 17, 2005 AON Employee Stock Option (Right to Buy) Common Stock (100,000) $23.38 March 17, 2015 100,000 Acquired
March 17, 2005 AON Stock Award (Right to Receive) Common Stock (4,492) · March 17, 2008 4,492 Acquired
March 17, 2005 AON Stock Award (Right to Receive) Common Stock (25,000) · March 17, 2010 25,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 10 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
July 21, 2004 AON Common Stock · Direct
July 21, 2004 AON Common Stock 45,513 Indirect
July 21, 2004 AON Common Stock 10,545 Indirect
July 21, 2004 AON Stock Award (Right to Receive)→ Common Stock (45,000) 45,000 Direct
July 21, 2004 AON Stock Award (Right to Receive)→ Common Stock (15,000) 15,000 Direct
July 21, 2004 AON Employee Stock Option (Right to Buy)→ Common Stock (100,000) 100,000 Direct
July 21, 2004 AON Employee Stock Option (Right to Buy)→ Common Stock (75,000) 75,000 Direct
July 21, 2004 AON Employee Stock Option (Right to Buy)→ Common Stock (100,000) 100,000 Direct
July 21, 2004 AON Employee Stock Option (Right to Buy)→ Common Stock (100,000) 100,000 Direct
July 21, 2004 AON Employee Stock Option (Right to Buy)→ Common Stock (100,000) 100,000 Direct

Compensation (DEF 14A)

08

Matched by name from proxy statements (DEF 14A) — verify against the filing.

AON

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2006 $800,000 · $3,198,646 $709,436 $640,000 $2,194,656 $33,781 $5,381,863

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.