David L Johnston
Insider
First SEC filing: July 29, 2010 · Latest: July 29, 2010
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| July 28, 2010 | MAS | A | 8,900 | · | · | 20,870 Direct | +74.35% | Acquired | (price as of 2026-10-05) |
| May 12, 2009 | MAS | A | 3,990 | · | · | 11,970 Direct | +50.00% | Acquired | (price as of 2026-10-05) |
| May 12, 2009 | MAS | A | 8,000 | · | · | 8,000 Direct | · | Acquired | (price as of 2026-10-05) |
| May 13, 2008 | MAS | A | 8,000 | · | · | 8,000 Direct | · | Acquired | (price as of 2026-10-05) |
| May 13, 2008 | MAS | A | 2,160 | · | · | 7,980 Direct | +37.11% | Acquired | (price as of 2026-10-05) |
| May 8, 2007 | MAS | A | 8,000 | · | · | 8,000 Direct | · | Acquired | (price as of 2026-10-05) |
| May 8, 2007 | MAS | A | 500 | · | · | 5,820 Direct | +9.40% | Acquired | (price as of 2026-10-05) |
| May 9, 2006 | MAS | A | 8,000 | · | · | 8,000 Direct | · | Acquired | (price as of 2026-10-05) |
| May 9, 2006 | MAS | A | 920 | · | · | 5,320 Direct | +20.91% | Acquired | (price as of 2026-10-05) |
| May 10, 2005 | MAS | A | 8,000 | · | · | 8,000 Direct | · | Acquired | (price as of 2026-10-05) |
| May 11, 2004 | MAS | A | 32,000 | · | · | 32,000 Direct | · | Acquired | (price as of 2026-10-05) |
| May 11, 2004 | MAS | A | 8,000 | · | · | 8,000 Direct | · | Acquired | (price as of 2026-10-05) |
| May 11, 2004 | MAS | A | 550 | · | · | 4,400 Direct | +14.29% | Acquired | (price as of 2026-10-05) |
| Oct. 30, 2003 | MAS | A | 3,850 | · | · | 3,850 Direct | · | Acquired | (price as of 2026-10-05) |
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 12, 2009 | MAS | Non-Employee Director Stock Option | Common Stock | $10.02 | May 12, 2019 | 8,000 | Acquired |
| May 13, 2008 | MAS | Non-Employee Director Stock Option | Common Stock | $18.52 | May 13, 2018 | 8,000 | Acquired |
| May 8, 2007 | MAS | Non-Employee Director Stock Option | Common Stock | $30.37 | May 8, 2017 | 8,000 | Acquired |
| May 9, 2006 | MAS | Non-Employee Director Stock Option | Common Stock | $32.65 | May 9, 2016 | 8,000 | Acquired |
| May 10, 2005 | MAS | Non-Employee Director Stock Option | Common Stock | $30.65 | May 10, 2015 | 8,000 | Acquired |
| May 11, 2004 | MAS | Common Stock | Common Stock | $27.25 | May 11, 2014 | 32,000 | Acquired |
| May 11, 2004 | MAS | Common Stock | Common Stock | $27.25 | May 11, 2014 | 8,000 | 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 |
|---|---|---|---|---|
| Oct. 31, 2003 | MAS | Common Stock | 0 | Direct |