David M Segal
CIK 1220951 · View on SEC EDGAR ↗
First SEC filing: Feb. 13, 2009 · Latest: Feb. 13, 2009
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Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 7, 2007 | MZTI | S | 4,500 | $40.50 | $182,250 | 2,275 Direct | -66.42% | Disposed | 187.6% (price as of 2026-08-20) |
| Nov. 29, 2004 | MZTI | S | 1,440 | $43.75 | $63,000 | 2,275 Direct | -38.76% | Disposed | 166.2% (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. 23, 2005 | MZTI | Common Stock - Employee Stock Option (Right to Buy) | Common Stock (4,500) | $41.52 | Feb. 28, 2010 | 4,500 | Acquired |
| Feb. 23, 2005 | MZTI | Common Stock - Employee Stock Option (Right to Buy) | Common Stock (4,500) | $41.52 | Feb. 28, 2010 | 4,500 | Acquired |
| Feb. 23, 2005 | MZTI | Common Stock - Employee Stock Option (Right to Buy) | Common Stock (4,500) | $41.52 | Feb. 28, 2010 | 4,500 | Acquired |
| Feb. 26, 2003 | MZTI | Common Stock - Employee Stock Option (Right to Buy) | common stock (4,500) | $37.23 | March 31, 2008 | 4,500 | Disposed |
| Feb. 26, 2003 | MZTI | Common Stock - Employee Stock Option (Right to Buy) | common stock (4,500) | $37.23 | March 31, 2008 | 4,500 | Disposed |
| Feb. 26, 2003 | MZTI | Common Stock - Employee Stock Option (Right to Buy) | common stock (4,500) | $37.23 | March 31, 2008 | 4,500 | Acquired |
| Feb. 26, 2003 | MZTI | common stock | common stock (4,500) | $37.23 | March 31, 2008 | 4,500 | Acquired |
| Feb. 26, 2003 | MZTI | common stock | common stock (1,814) | $37.23 | March 31, 2008 | 1,814 | Acquired |
| Feb. 26, 2003 | MZTI | common stock | commo n stock (2,686) | $37.23 | March 31, 2008 | 2,686 | Acquired |
| Feb. 28, 2001 | MZTI | common stock | common stock (1,500) | $29.50 | March 31, 2006 | 1,500 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).