Willem D Maris
CIK 1183330 · View on SEC EDGAR ↗
Insider
First SEC filing: Jan. 5, 2006 · Latest: Jan. 5, 2006
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 12 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 |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 10, 2010 | PLAB | A | 8,000 | — | — | 56,000 Direct | +16.67% | Acquired | (price as of 2026-08-21) |
| Dec. 21, 2009 | PLAB | A | 15,000 | — | — | 15,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Nov. 10, 2008 | PLAB | A | 15,000 | — | — | 48,000 Direct | +45.45% | Acquired | (price as of 2026-08-21) |
| Nov. 10, 2008 | PLAB | A | 25,000 | — | — | 25,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Dec. 18, 2007 | PLAB | A | 5,000 | — | — | 33,000 Direct | +17.86% | Acquired | (price as of 2026-08-21) |
| Oct. 31, 2006 | PLAB | A | 5,000 | — | — | 28,000 Direct | +21.74% | Acquired | (price as of 2026-08-21) |
| Jan. 3, 2006 | PLAB | A | 4,000 | — | — | 23,000 Direct | +21.05% | Acquired | (price as of 2026-08-21) |
| Feb. 14, 2005 | PLAB | A | 5,000 | $16.65 | $83,250 | 5,000 Direct | — | Acquired | 84.4% (price as of 2026-08-21) |
| Feb. 14, 2005 | PLAB | A | 4,000 | — | — | 19,000 Direct | +26.67% | Acquired | (price as of 2026-08-21) |
| Jan. 17, 2005 | PLAB | A | 15,000 | $14.56 | $218,400 | 15,000 Direct | — | Acquired | 110.9% (price as of 2026-08-21) |
| Feb. 26, 2004 | PLAB | A | 5,000 | — | — | 5,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Feb. 26, 2004 | PLAB | A | 3,000 | — | — | 15,000 Direct | +25.00% | 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 |
|---|---|---|---|---|---|---|---|
| Dec. 21, 2009 | PLAB | Stock Options (Right to Buy) | Common Stock (15,000) | $4.42 | Dec. 21, 2019 | 15,000 | Acquired |
| Nov. 10, 2008 | PLAB | Stock Options (Right to Buy) | Common Stock (25,000) | $0.76 | Nov. 10, 2018 | 25,000 | Acquired |
| Feb. 14, 2005 | PLAB | Common Stock | Common Stock (5,000) | $16.65 | Feb. 14, 2015 | 5,000 | Acquired |
| Jan. 17, 2005 | PLAB | Stock Option (right to buy) | Common Stock (15,000) | $14.56 | Jan. 17, 2015 | 15,000 | Acquired |
| Feb. 26, 2004 | PLAB | Stock Option (right to buy) | Common Stock (5,000) | $17.81 | Feb. 26, 2014 | 5,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).