William T Anderson
CIK 1449924 · View on SEC EDGAR ↗
Insider
First SEC filing: Feb. 18, 2011 · Latest: Feb. 18, 2011
On this page
Insider at
Insider transactions
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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 16, 2011 | MAS | A | 70,000 | — | — | 70,000 Direct | — | Acquired | (price as of 2026-08-20) |
| Feb. 16, 2011 | MAS | A | 11,860 | — | — | 141,273 Direct | +9.16% | Acquired | (price as of 2026-08-20) |
| Jan. 14, 2011 | MAS | F | 5,299 | $14.00 | $74,186 | 129,413 Direct | -3.93% | Disposed | 500.4% (price as of 2026-08-20) |
| July 1, 2010 | MAS | F | 741 | $10.83 | $8,025 | 134,712 Direct | -0.55% | Disposed | 676.1% (price as of 2026-08-20) |
| Feb. 12, 2010 | MAS | A | 30,000 | — | — | 135,453 Direct | +28.45% | Acquired | (price as of 2026-08-20) |
| Feb. 12, 2010 | MAS | A | 70,000 | — | — | 70,000 Direct | — | Acquired | (price as of 2026-08-20) |
| Jan. 14, 2010 | MAS | F | 3,558 | $15.03 | $53,477 | 105,453 Direct | -3.26% | Disposed | 459.2% (price as of 2026-08-20) |
| July 1, 2009 | MAS | F | 741 | $9.38 | $6,951 | 109,011 Direct | -0.68% | Disposed | 796.1% (price as of 2026-08-20) |
| Feb. 9, 2009 | MAS | A | 70,000 | — | — | 70,000 Direct | — | Acquired | (price as of 2026-08-20) |
| Feb. 9, 2009 | MAS | A | 38,000 | — | — | 109,752 Direct | +52.96% | Acquired | (price as of 2026-08-20) |
| Jan. 14, 2009 | MAS | F | 2,409 | $10.24 | $24,668 | 71,752 Direct | -3.25% | Disposed | 720.8% (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. 16, 2011 | MAS | Employee Stock Option | Common Stock (70,000) | $12.82 | Feb. 16, 2021 | 70,000 | Acquired |
| Feb. 12, 2010 | MAS | Employee Stock Option | Common Stock (70,000) | $13.81 | Feb. 12, 2020 | 70,000 | Acquired |
| Feb. 9, 2009 | MAS | Employee Stock Option | Common Stock (70,000) | $8.03 | Feb. 9, 2019 | 70,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 14 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Dec. 10, 2008 | MAS | Common Stock | 74,161 | Direct |
| Dec. 10, 2008 | MAS | Common Stock | 440 | Indirect |
| Dec. 10, 2008 | MAS | Employee Stock Option→ Common Stock (30,000) | 30,000 | Direct |
| Dec. 10, 2008 | MAS | Employee Stock Option→ Common Stock (16,560) | 16,560 | Direct |
| Dec. 10, 2008 | MAS | Employee Stock Option→ Common Stock (30,000) | 30,000 | Direct |
| Dec. 10, 2008 | MAS | Employee Stock Option→ Common Stock (33,000) | 33,000 | Direct |
| Dec. 10, 2008 | MAS | Employee Restoration Stock Option→ Common Stock (2,815) | 2,815 | Direct |
| Dec. 10, 2008 | MAS | Employee Stock Option→ Common Stock (7,000) | 7,000 | Direct |
| Dec. 10, 2008 | MAS | Employee Stock Option→ Common Stock (33,000) | 33,000 | Direct |
| Dec. 10, 2008 | MAS | Employee Restoration Stock Option→ Common Stock (2,516) | 2,516 | Direct |
| Dec. 10, 2008 | MAS | Employee Stock Option→ Common Stock (33,000) | 33,000 | Direct |
| Dec. 10, 2008 | MAS | Employee Stock Option→ Common Stock (33,000) | 33,000 | Direct |
| Dec. 10, 2008 | MAS | Employee Stock Option→ Common Stock (20,000) | 20,000 | Direct |
| Dec. 10, 2008 | MAS | Employee Stock Option→ Common Stock (56,000) | 56,000 | Direct |