Gregory Dale Wittrock

Insider

First SEC filing: Feb. 18, 2011 · Latest: Feb. 18, 2011

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.
Initial holdings The stakes this person held when they first started reporting.
Compensation Executive pay disclosed in company proxy statements.

Insider at

MAS selling March 7, 2013

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 24 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

24 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 1, 2013	MAS	F	428	$20.20	$8,646	81,565 Direct	-0.52%	Disposed	314.9% (price as of 2026-08-21)
March 7, 2013	MAS	M	8,000	—	—	13,000 Direct	-38.10%	Disposed	(price as of 2026-08-21)
March 7, 2013	MAS	F	4,718	$19.99	$94,313	81,993 Direct	-5.44%	Disposed	319.3% (price as of 2026-08-21)
March 7, 2013	MAS	S	3,282	$19.99	$65,607	86,711 Direct	-3.65%	Disposed	319.3% (price as of 2026-08-21)
March 7, 2013	MAS	M	8,000	$8.03	$64,240	89,993 Direct	+9.76%	Acquired	943.8% (price as of 2026-08-21)
Feb. 19, 2013	MAS	M	5,000	—	—	21,000 Direct	-19.23%	Disposed	(price as of 2026-08-21)
Feb. 19, 2013	MAS	S	5,000	$19.91	$99,550	81,993 Direct	-5.75%	Disposed	321.0% (price as of 2026-08-21)
Feb. 19, 2013	MAS	F	2,958	$19.92	$58,923	86,993 Direct	-3.29%	Disposed	320.8% (price as of 2026-08-21)
Feb. 19, 2013	MAS	S	2,042	$19.92	$40,677	89,951 Direct	-2.22%	Disposed	320.8% (price as of 2026-08-21)
Feb. 19, 2013	MAS	M	5,000	$8.03	$40,150	91,993 Direct	+5.75%	Acquired	943.8% (price as of 2026-08-21)
Feb. 13, 2013	MAS	A	30,000	—	—	30,000 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 13, 2013	MAS	A	17,370	—	—	86,993 Direct	+24.95%	Acquired	(price as of 2026-08-21)
Jan. 14, 2013	MAS	F	3,694	$17.50	$64,645	69,623 Direct	-5.04%	Disposed	378.9% (price as of 2026-08-21)
Dec. 12, 2012	MAS	G	2,350	—	—	73,317 Direct	-3.11%	Disposed	(price as of 2026-08-21)
June 29, 2012	MAS	F	417	$13.87	$5,784	75,667 Direct	-0.55%	Disposed	504.3% (price as of 2026-08-21)
Feb. 15, 2012	MAS	A	30,000	—	—	30,000 Direct	—	Acquired	(price as of 2026-08-21)
Jan. 14, 2012	MAS	F	3,752	$12.09	$45,362	76,084 Direct	-4.70%	Disposed	593.2% (price as of 2026-08-21)
July 1, 2011	MAS	F	278	$12.46	$3,464	79,836 Direct	-0.35%	Disposed	572.7% (price as of 2026-08-21)
Feb. 16, 2011	MAS	A	60,000	—	—	60,000 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 16, 2011	MAS	A	11,260	—	—	80,114 Direct	+16.35%	Acquired	(price as of 2026-08-21)
Jan. 14, 2011	MAS	F	2,546	$14.00	$35,644	68,854 Direct	-3.57%	Disposed	498.7% (price as of 2026-08-21)
July 1, 2010	MAS	F	521	$10.83	$5,642	71,400 Direct	-0.72%	Disposed	673.9% (price as of 2026-08-21)
Feb. 12, 2010	MAS	A	60,000	—	—	60,000 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 12, 2010	MAS	A	15,000	—	—	71,921 Direct	+26.35%	Acquired	(price as of 2026-08-21)
Jan. 14, 2010	MAS	F	1,166	$15.03	$17,525	56,921 Direct	-2.01%	Disposed	457.6% (price as of 2026-08-21)
Dec. 7, 2009	MAS	A	30,000	—	—	30,000 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 7, 2009	MAS	A	15,000	—	—	58,087 Direct	+34.81%	Acquired	(price as of 2026-08-21)

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
March 7, 2013	MAS	Employee Stock Option	Common Stock (8,000)	$8.03	Feb. 9, 2019	8,000	Disposed
Feb. 19, 2013	MAS	Employee Stock Option	Common Stock (5,000)	$8.03	Feb. 9, 2019	5,000	Disposed
Feb. 13, 2013	MAS	Employee Stock Option	Common Stock (30,000)	$20.36	Feb. 13, 2023	30,000	Acquired
Feb. 15, 2012	MAS	Employee Stock Option	Common Stock (30,000)	$11.67	Feb. 15, 2022	30,000	Acquired
Feb. 16, 2011	MAS	Employee Stock Option	Common Stock (60,000)	$12.82	Feb. 16, 2021	60,000	Acquired
Feb. 12, 2010	MAS	Employee Stock Option	Common Stock (60,000)	$13.81	Feb. 12, 2020	60,000	Acquired
Dec. 7, 2009	MAS	Employee Stock Option	Common Stock (30,000)	$13.91	Dec. 7, 2019	30,000	Acquired

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

Initial ownership (Form 3) 20 holdings

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

Date	Ticker	Security	Shares	Ownership
Dec. 9, 2009	MAS	Common Stock	43,087	Direct
Dec. 9, 2009	MAS	Employee Stock Option→ Common Stock (3,080)	3,080	Direct
Dec. 9, 2009	MAS	Employee Stock Option→ Common Stock (7,440)	7,440	Direct
Dec. 9, 2009	MAS	Employee Stock Option→ Common Stock (14,400)	14,400	Direct
Dec. 9, 2009	MAS	Employee Restoration Stock Option→ Common Stock (1,813)	1,813	Direct
Dec. 9, 2009	MAS	Employee Restoration Stock Option→ Common Stock (3,398)	3,398	Direct
Dec. 9, 2009	MAS	Employee Restoration Stock Option→ Common Stock (3,474)	3,474	Direct
Dec. 9, 2009	MAS	Employee Restoration Stock Option→ Common Stock (3,291)	3,291	Direct
Dec. 9, 2009	MAS	Employee Restoration Stock Option→ Common Stock (1,712)	1,712	Direct
Dec. 9, 2009	MAS	Employee Restoration Stock Option→ Common Stock (3,778)	3,778	Direct
Dec. 9, 2009	MAS	Employee Stock Option→ Common Stock (14,400)	14,400	Direct
Dec. 9, 2009	MAS	Employee Restoration Stock Option→ Common Stock (1,960)	1,960	Direct
Dec. 9, 2009	MAS	Employee Restoration Stock Option→ Common Stock (5,169)	5,169	Direct
Dec. 9, 2009	MAS	Employee Restoration Stock Option→ Common Stock (969)	969	Direct
Dec. 9, 2009	MAS	Employee Stock Option→ Common Stock (14,400)	14,400	Direct
Dec. 9, 2009	MAS	Employee Restoration Stock Option→ Common Stock (1,943)	1,943	Direct
Dec. 9, 2009	MAS	Employee Restoration Stock Option→ Common Stock (1,068)	1,068	Direct
Dec. 9, 2009	MAS	Employee Stock Option→ Common Stock (14,400)	14,400	Direct
Dec. 9, 2009	MAS	Employee Stock Option→ Common Stock (24,500)	24,500	Direct
Dec. 9, 2009	MAS	Employee Stock Option→ Common Stock (26,000)	26,000	Direct

Compensation (DEF 14A)

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

MAS

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2013	$269,231	—	—	—	$568,500	—	$70,841	$1,512,125
2012	$400,000	—	—	—	$353,600	$27,974	$45,200	$959,974

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