Michael O Maffie
CIK 1030281 · View on SEC EDGAR ↗
First SEC filing: May 19, 2008 · Latest: May 19, 2008
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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 |
|---|---|---|---|---|---|---|---|---|---|
| June 8, 2005 | BYD | S | 500 | $55.00 | $27,500 | 3,000 Direct | -14.29% | Disposed | 49.1% (price as of 2026-08-20) |
| June 8, 2005 | BYD | S | 750 | $55.00 | $41,250 | 3,000 Direct | -20.00% | Disposed | 49.1% (price as of 2026-08-20) |
| June 8, 2005 | BYD | S | 250 | $55.00 | $13,750 | 3,000 Direct | -7.69% | Disposed | 49.1% (price as of 2026-08-20) |
| June 8, 2005 | BYD | S | 1,000 | $55.06 | $55,060 | 3,000 Direct | -25.00% | Disposed | 48.9% (price as of 2026-08-20) |
| June 8, 2005 | BYD | S | 1,000 | $55.04 | $55,040 | 3,000 Direct | -25.00% | Disposed | 49.0% (price as of 2026-08-20) |
| June 8, 2005 | BYD | S | 1,000 | $55.07 | $55,070 | 3,000 Direct | -25.00% | Disposed | 48.9% (price as of 2026-08-20) |
| June 8, 2005 | BYD | S | 1,000 | $55.00 | $55,000 | 3,000 Direct | -25.00% | Disposed | 49.1% (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 |
|---|---|---|---|---|---|---|---|
| May 15, 2008 | BYD | Restricted Stock Units | Common Stock (5,981) | — | — | 5,981 | Acquired |
| May 17, 2007 | BYD | Restricted Stock Units | Common Stock (2,800) | — | — | 2,800 | Acquired |
| May 18, 2006 | BYD | Restricted Stock Units | Common Stock (2,500) | $45.95 | — | 2,500 | Acquired |
| June 8, 2005 | BYD | Stock Option (Right to Buy) | Common Stock (500) | $14.23 | May 15, 2013 | 500 | Disposed |
| June 8, 2005 | BYD | Stock Option (Right to Buy) | Common Stock (750) | $14.80 | May 16, 2012 | 750 | Disposed |
| June 8, 2005 | BYD | Stock Option (Right to Buy) | Common Stock (250) | $23.48 | April 30, 2014 | 250 | Disposed |
| June 8, 2005 | BYD | Stock Option (Right to Buy) | Common Stock (1,000) | $4.58 | May 17, 2011 | 1,000 | Disposed |
| June 8, 2005 | BYD | Stock Option (Right to Buy) | Common Stock (1,000) | $4.69 | May 25, 2010 | 1,000 | Disposed |
| June 8, 2005 | BYD | Stock Option (Right to Buy) | Common Stock (1,000) | $6.56 | May 20, 2009 | 1,000 | Disposed |
| June 8, 2005 | BYD | Stock Option (Right to Buy) | Common Stock (1,000) | $6.88 | May 21, 2008 | 1,000 | Disposed |
| May 12, 2005 | BYD | Stock Option (Right to Buy) | Common Stock (1,000) | $52.35 | May 12, 2015 | 1,000 | Acquired |
| April 30, 2004 | BYD | Stock Option (Right to Buy) | Common Stock (1,000) | $23.50 | April 30, 2014 | 1,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).