William D Mayo

Insider

First SEC filing: Feb. 3, 2006 · Latest: Feb. 3, 2006

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 11 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

11 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 2, 2006	CAT	M	3,590	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 2, 2006	CAT	M	3,868	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 2, 2006	CAT	M	15,720	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 2, 2006	CAT	M	9,392	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 2, 2006	CAT	F	1,458	$68.54	$99,931	12,488 Direct	-10.45%	Disposed	1079.6% (price as of 2026-08-20)
Feb. 2, 2006	CAT	M	3,590	$27.84	$99,946	13,946 Direct	+34.67%	Acquired	2804.2% (price as of 2026-08-20)
Feb. 2, 2006	CAT	F	1,457	$68.54	$99,863	10,356 Direct	-12.33%	Disposed	1079.6% (price as of 2026-08-20)
Feb. 2, 2006	CAT	M	3,868	$25.83	$99,910	11,813 Direct	+48.68%	Acquired	3030.2% (price as of 2026-08-20)
Feb. 2, 2006	CAT	S	25,112	$68.08	$1,709,625	7,945 Direct	-75.97%	Disposed	1087.6% (price as of 2026-08-20)
Feb. 2, 2006	CAT	M	15,720	$25.36	$398,659	33,057 Direct	+90.67%	Acquired	3088.2% (price as of 2026-08-20)
Feb. 2, 2006	CAT	M	9,392	$31.17	$292,749	17,337 Direct	+118.21%	Acquired	2493.9% (price as of 2026-08-20)
Feb. 1, 2006	CAT	I	2,245	$68.40	$153,558	7,945 Direct	+39.39%	Acquired	1082.1% (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.

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Feb. 2, 2006	CAT	Employee Stock Option [F2]	Common (3,590)	$27.84	June 9, 2008	3,590	Disposed
Feb. 2, 2006	CAT	Employee Stock Option [F2]	Common (3,868)	$25.83	June 10, 2007	3,868	Disposed
Feb. 2, 2006	CAT	Employee Stock Option [F2]	Common (15,720)	$25.36	June 11, 2012	15,720	Disposed
Feb. 2, 2006	CAT	Employee Stock Option [F2]	Common (9,392)	$31.17	June 8, 2009	9,392	Disposed

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

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

Date	Ticker	Security	Shares	Ownership
Dec. 2, 2005	CAT	Common	—	Direct
Dec. 2, 2005	CAT	Option (ISO) [F1]→ Common (3,868)	3,868	Direct
Dec. 2, 2005	CAT	Option (ISO) [F1]→ Common (3,590)	3,590	Direct
Dec. 2, 2005	CAT	Option (ISO) [F1]→ Common (3,208)	3,208	Direct
Dec. 2, 2005	CAT	Option (NQ) [F1]→ Common (9,392)	9,392	Direct
Dec. 2, 2005	CAT	Option (ISO) [F1]→ Common (5,202)	5,202	Direct
Dec. 2, 2005	CAT	Option (NQ) [F1]→ Common (15,720)	15,720	Direct
Dec. 2, 2005	CAT	Option (NQ) [F1]→ Common (15,720)	15,720	Direct
Dec. 2, 2005	CAT	Option (NQ) [F1]→ Common (15,720)	15,720	Direct
Dec. 2, 2005	CAT	Option (NQ) [F1]→ Common (8,600)	8,600	Direct