Richard J. Westenberg

CIK 1995830 · View on SEC EDGAR ↗

Insider

First SEC filing: Feb. 27, 2026 · Latest: Feb. 27, 2026

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 8 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

No open-market trades on record; showing all filings.

Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Feb. 25, 2026 MAS F 6,565 $71.86 $471,761 40,576 Direct -13.93% Disposed 2.8% (price as of 2026-08-20)
Feb. 12, 2026 MAS A 6,890 47,141 Direct +17.12% Acquired (price as of 2026-08-20)
Feb. 12, 2026 MAS A 21,610 21,610 Direct Acquired (price as of 2026-08-20)
Feb. 25, 2025 MAS F 4,599 $76.09 $349,938 40,251 Direct -10.25% Disposed -2.9% (price as of 2026-08-20)
Feb. 13, 2025 MAS A 6,770 44,850 Direct +17.78% Acquired (price as of 2026-08-20)
Feb. 13, 2025 MAS A 24,020 24,020 Direct Acquired (price as of 2026-08-20)
Feb. 16, 2024 MAS A 24,470 24,470 Direct Acquired (price as of 2026-08-20)
Oct. 16, 2023 MAS A 38,080 38,080 Direct Acquired (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 (21,610) $77.54 Feb. 12, 2036 21,610 Acquired
Feb. 13, 2025 MAS Employee Stock Option Common Stock (24,020) $77.62 Feb. 13, 2035 24,020 Acquired
Feb. 16, 2024 MAS Employee Stock Option Common Stock (24,470) $73.16 Feb. 16, 2034 24,470 Acquired

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

Compensation (DEF 14A)

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

MAS

CFO
Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2024 $741,322 $570,000 $1,105,523 $525,700 $110,368 $3,632,999
2023 $153,366 $380,000 $1,999,962 $3,164 $2,536,492

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