Jan Kalff

Insider

First SEC filing: May 24, 2005 · Latest: May 24, 2005

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.

Insider at

AON selling May 7, 2010

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 20 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

20 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 1, 2011	AON	M	2,098	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 1, 2011	AON	F	629	$51.47	$32,375	6,413 Direct	-8.93%	Disposed	581.3% (price as of 2026-08-20)
June 1, 2011	AON	M	2,098	—	—	7,042 Direct	+42.44%	Acquired	(price as of 2026-08-20)
May 20, 2011	AON	A	2,010	—	—	9,207 Direct	+27.93%	Acquired	(price as of 2026-08-20)
June 1, 2010	AON	M	2,029	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 1, 2010	AON	F	609	$38.63	$23,526	4,944 Direct	-10.97%	Disposed	807.7% (price as of 2026-08-20)
June 1, 2010	AON	M	2,029	—	—	5,553 Direct	+57.58%	Acquired	(price as of 2026-08-20)
May 21, 2010	AON	A	2,397	—	—	9,128 Direct	+35.61%	Acquired	(price as of 2026-08-20)
May 7, 2010	AON	S	4,000	$40.85	$163,400	3,524 Direct	-53.16%	Disposed	758.4% (price as of 2026-08-20)
June 1, 2009	AON	M	2,448	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 1, 2009	AON	M	2,448	—	—	7,421 Direct	+49.23%	Acquired	(price as of 2026-08-20)
May 15, 2009	AON	A	2,594	—	—	9,083 Direct	+39.98%	Acquired	(price as of 2026-08-20)
May 16, 2008	AON	A	2,011	—	—	6,395 Direct	+45.87%	Acquired	(price as of 2026-08-20)
May 18, 2007	AON	A	1,945	—	—	4,325 Direct	+81.72%	Acquired	(price as of 2026-08-20)
May 19, 2006	AON	A	2,343	—	—	2,343 Direct	—	Acquired	(price as of 2026-08-20)
May 20, 2005	AON	A	806	—	—	1,567 Direct	+105.91%	Acquired	(price as of 2026-08-20)
May 20, 2005	AON	F	641	$24.81	$15,903	4,719 Direct	-11.96%	Disposed	1313.4% (price as of 2026-08-20)
May 20, 2005	AON	A	2,136	$24.81	$52,994	5,360 Direct	+66.25%	Acquired	1313.4% (price as of 2026-08-20)
May 21, 2004	AON	A	760	$26.30	$19,988	760 Direct	—	Acquired	1233.3% (price as of 2026-08-20)
May 21, 2004	AON	F	584	$26.30	$15,359	3,179 Direct	-15.52%	Disposed	1233.3% (price as of 2026-08-20)
May 21, 2004	AON	A	1,947	$26.30	$51,206	3,763 Direct	+107.21%	Acquired	1233.3% (price as of 2026-08-20)

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.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
June 1, 2011	AON	Deferred Stock Unit Award (Right to Receive)	Common Stock	—	June 1, 2011	2,098	Disposed
May 20, 2011	AON	Deferred Stock Units	Common Stock (2,010)	—	—	2,010	Acquired
June 1, 2010	AON	Deferred Stock Unit Award (Right to Receive)	Common Stock	—	June 1, 2010	2,029	Disposed
May 21, 2010	AON	Deferred Stock Units	Common Stock (2,397)	—	—	2,397	Acquired
June 1, 2009	AON	Deferred Stock Unit Award (Right to Receive)	Common Stock	—	June 1, 2009	2,448	Disposed
May 15, 2009	AON	Deferred Stock Units	Common Stock (2,594)	—	—	2,594	Acquired
May 16, 2008	AON	Deferred Stock Units	Common Stock (2,011)	—	—	2,011	Acquired
May 18, 2007	AON	Deferred Stock Units	Common Stock (1,945)	—	—	1,945	Acquired
May 19, 2006	AON	Deferred Stock Units	Common Stock (2,343)	—	—	2,343	Acquired
May 20, 2005	AON	Phantom Stock	Common Stock (806)	—	—	806	Acquired
May 21, 2004	AON	Phantom Stock	Common Stock (760)	—	—	760	Acquired

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