Richard Allan Marshall

Insider

First SEC filing: May 25, 2021 · Latest: May 25, 2021

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.

Insider at

MAS selling March 1, 2024

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 19 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

19 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 25, 2026	MAS	F	515	$71.86	$37,008	17,496 Direct	-2.86%	Disposed	2.8% (price as of 2026-08-20)
Feb. 12, 2026	MAS	A	4,675	—	—	16,629 Direct	+39.11%	Acquired	(price as of 2026-08-20)
Feb. 12, 2026	MAS	A	2,800	—	—	19,429 Direct	+16.84%	Acquired	(price as of 2026-08-20)
Feb. 12, 2026	MAS	F	1,418	$77.54	$109,952	18,011 Direct	-7.30%	Disposed	-4.7% (price as of 2026-08-20)
Feb. 12, 2026	MAS	A	8,800	—	—	8,800 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 25, 2025	MAS	F	771	$76.09	$58,665	11,954 Direct	-6.06%	Disposed	-2.9% (price as of 2026-08-20)
Feb. 13, 2025	MAS	A	2,260	—	—	12,725 Direct	+21.60%	Acquired	(price as of 2026-08-20)
Feb. 13, 2025	MAS	A	8,000	—	—	8,000 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2024	MAS	S	5,000	$77.05	$385,250	10,465 Direct	-32.33%	Disposed	-4.1% (price as of 2026-08-20)
Feb. 25, 2024	MAS	F	789	$74.94	$59,128	15,465 Direct	-4.85%	Disposed	-1.4% (price as of 2026-08-20)
Feb. 16, 2024	MAS	A	3,680	—	—	16,254 Direct	+29.27%	Acquired	(price as of 2026-08-20)
Feb. 16, 2024	MAS	A	8,150	—	—	8,150 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 14, 2024	MAS	F	208	$67.28	$13,994	12,574 Direct	-1.63%	Disposed	9.8% (price as of 2026-08-20)
Feb. 25, 2023	MAS	F	952	$52.48	$49,961	12,782 Direct	-6.93%	Disposed	40.7% (price as of 2026-08-20)
Feb. 13, 2023	MAS	A	11,040	—	—	11,040 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 14, 2023	MAS	F	477	$52.00	$24,804	13,734 Direct	-3.36%	Disposed	42.0% (price as of 2026-08-20)
Feb. 25, 2022	MAS	F	499	$56.63	$28,258	14,211 Direct	-3.39%	Disposed	30.4% (price as of 2026-08-20)
Feb. 8, 2022	MAS	A	5,200	—	—	14,710 Direct	+54.68%	Acquired	(price as of 2026-08-20)
Feb. 8, 2022	MAS	A	12,280	—	—	12,280 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 14, 2022	MAS	F	1,099	$67.28	$73,941	9,510 Direct	-10.36%	Disposed	9.8% (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
Feb. 12, 2026	MAS	Employee Stock Option	Common Stock (8,800)	$77.54	Feb. 12, 2036	8,800	Acquired
Feb. 13, 2025	MAS	Employee Stock Option	Common Stock (8,000)	$77.62	Feb. 13, 2035	8,000	Acquired
Feb. 16, 2024	MAS	Employee Stock Option	Common Stock (8,150)	$73.16	Feb. 16, 2034	8,150	Acquired
Feb. 13, 2023	MAS	Employee Stock Option	Common Stock (11,040)	$56.56	Feb. 13, 2033	11,040	Acquired
Feb. 8, 2022	MAS	Employee Stock Option	Common Stock (12,280)	$59.15	Feb. 8, 2032	12,280	Acquired

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

Initial ownership (Form 3) 1 holding

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

Date	Ticker	Security	Shares	Ownership
May 25, 2021	MAS	Common Stock	10,609	Direct