Robert B Rosowski

Insider

First SEC filing: July 6, 2005 · Latest: July 6, 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

MAS selling Aug. 23, 2004

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 13 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

13 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 1, 2005	MAS	F	478	$31.44	$15,028	124,019 Direct	-0.38%	Disposed	174.8% (price as of 2026-08-19)
May 9, 2005	MAS	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 12, 2005	MAS	F	789	$37.19	$29,343	124,497 Direct	-0.63%	Disposed	132.3% (price as of 2026-08-19)
Feb. 7, 2005	MAS	A	10,600	—	—	125,286 Direct	+9.24%	Acquired	(price as of 2026-08-19)
Jan. 14, 2005	MAS	F	1,621	$36.22	$58,713	117,686 Direct	-1.36%	Disposed	138.5% (price as of 2026-08-19)
Nov. 17, 2004	MAS	G	3,000	—	—	114,686 Direct	-2.55%	Disposed	(price as of 2026-08-19)
Aug. 23, 2004	MAS	S	1,000	$32.32	$32,320	119,307 Direct	-0.83%	Disposed	167.3% (price as of 2026-08-19)
Aug. 23, 2004	MAS	S	4,272	$32.31	$138,028	120,307 Direct	-3.43%	Disposed	167.4% (price as of 2026-08-19)
Aug. 23, 2004	MAS	S	700	$32.30	$22,610	124,579 Direct	-0.56%	Disposed	167.5% (price as of 2026-08-19)
Aug. 23, 2004	MAS	S	4,800	$32.29	$154,992	125,279 Direct	-3.69%	Disposed	167.6% (price as of 2026-08-19)
Aug. 23, 2004	MAS	S	2,200	$32.28	$71,016	130,079 Direct	-1.66%	Disposed	167.6% (price as of 2026-08-19)
Aug. 23, 2004	MAS	S	1,000	$32.27	$32,270	132,279 Direct	-0.75%	Disposed	167.7% (price as of 2026-08-19)
Aug. 23, 2004	MAS	S	1,000	$32.26	$32,260	133,279 Direct	-0.74%	Disposed	167.8% (price as of 2026-08-19)
Aug. 23, 2004	MAS	S	200	$32.24	$6,448	134,279 Direct	-0.15%	Disposed	168.0% (price as of 2026-08-19)
Aug. 23, 2004	MAS	S	1,800	$32.23	$58,014	134,479 Direct	-1.32%	Disposed	168.1% (price as of 2026-08-19)
Aug. 23, 2004	MAS	S	300	$32.22	$9,666	136,279 Direct	-0.22%	Disposed	168.1% (price as of 2026-08-19)
Aug. 23, 2004	MAS	S	2,600	$32.21	$83,746	136,579 Direct	-1.87%	Disposed	168.2% (price as of 2026-08-19)
Aug. 23, 2004	MAS	S	2,000	$32.20	$64,400	139,179 Direct	-1.42%	Disposed	168.3% (price as of 2026-08-19)
Aug. 23, 2004	MAS	S	3,400	$32.18	$109,412	141,179 Direct	-2.35%	Disposed	168.5% (price as of 2026-08-19)
Aug. 23, 2004	MAS	S	3,500	$32.17	$112,595	144,579 Direct	-2.36%	Disposed	168.6% (price as of 2026-08-19)
Aug. 23, 2004	MAS	S	2,600	$32.16	$83,616	148,079 Direct	-1.73%	Disposed	168.6% (price as of 2026-08-19)
Aug. 23, 2004	MAS	S	4,300	$32.15	$138,245	150,679 Direct	-2.77%	Disposed	168.7% (price as of 2026-08-19)
Aug. 23, 2004	MAS	S	1,300	$32.14	$41,782	154,979 Direct	-0.83%	Disposed	168.8% (price as of 2026-08-19)
Aug. 23, 2004	MAS	S	4,900	$32.13	$157,437	156,279 Direct	-3.04%	Disposed	168.9% (price as of 2026-08-19)
Aug. 23, 2004	MAS	S	700	$32.12	$22,484	161,179 Direct	-0.43%	Disposed	169.0% (price as of 2026-08-19)
Aug. 23, 2004	MAS	S	1,500	$32.11	$48,165	161,879 Direct	-0.92%	Disposed	169.1% (price as of 2026-08-19)
Aug. 23, 2004	MAS	S	4,800	$32.10	$154,080	163,379 Direct	-2.85%	Disposed	169.1% (price as of 2026-08-19)
Aug. 23, 2004	MAS	S	8,000	$32.09	$256,720	168,179 Direct	-4.54%	Disposed	169.2% (price as of 2026-08-19)
Aug. 23, 2004	MAS	S	1,000	$32.07	$32,070	176,179 Direct	-0.56%	Disposed	169.4% (price as of 2026-08-19)
Aug. 23, 2004	MAS	S	2,000	$32.06	$64,120	177,179 Direct	-1.12%	Disposed	169.5% (price as of 2026-08-19)
Aug. 23, 2004	MAS	S	10,100	$32.05	$323,705	179,179 Direct	-5.34%	Disposed	169.6% (price as of 2026-08-19)
Aug. 23, 2004	MAS	S	200	$32.04	$6,408	189,279 Direct	-0.11%	Disposed	169.7% (price as of 2026-08-19)
Aug. 23, 2004	MAS	S	1,800	$32.03	$57,654	189,479 Direct	-0.94%	Disposed	169.7% (price as of 2026-08-19)
Aug. 23, 2004	MAS	S	1,000	$32.00	$32,000	191,279 Direct	-0.52%	Disposed	170.0% (price as of 2026-08-19)
July 29, 2004	MAS	A	48,000	—	—	48,000 Direct	—	Acquired	(price as of 2026-08-19)
July 1, 2004	MAS	F	478	$30.95	$14,794	192,279 Direct	-0.25%	Disposed	179.2% (price as of 2026-08-19)
March 3, 2004	MAS	A	13,000	—	—	192,757 Direct	+7.23%	Acquired	(price as of 2026-08-19)
Feb. 12, 2004	MAS	F	791	$27.32	$21,610	179,757 Direct	-0.44%	Disposed	216.2% (price as of 2026-08-19)
Jan. 14, 2004	MAS	F	1,327	$26.54	$35,219	180,548 Direct	-0.73%	Disposed	225.5% (price as of 2026-08-19)
Dec. 4, 2003	MAS	G	4,000	—	—	181,875 Direct	-2.15%	Disposed	(price as of 2026-08-19)
Oct. 29, 2003	MAS	A	48,000	—	—	48,000 Direct	—	Acquired	(price as of 2026-08-19)

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
May 9, 2005	MAS	Employee Stock Option	Common Stock (20,000)	$30.75	May 9, 2015	20,000	Acquired
July 29, 2004	MAS	Common Stock	Common Stock (48,000)	$30.00	July 29, 2014	48,000	Acquired
Oct. 29, 2003	MAS	Employee Stock Option	—	$27.50	Oct. 29, 2013	48,000	Acquired

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