Michael J Gaughan
CIK 1005775 · View on SEC EDGAR ↗
Insider
First SEC filing: July 2, 2004 · Latest: July 2, 2004
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 5 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
5 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 6, 2006 | BYD | S | 500,000 | $32.48 | $16,240,000 | 0 Direct | -100.00% | Disposed | 152.4% (price as of 2026-08-20) |
| Aug. 7, 2006 | BYD | S | 3,447,501 | $32.48 | $111,974,832 | 500,000 Direct | -87.33% | Disposed | 152.4% (price as of 2026-08-20) |
| Aug. 7, 2006 | BYD | S | 11,842,504 | $32.48 | $384,644,530 | 3,947,501 Direct | -75.00% | Disposed | 152.4% (price as of 2026-08-20) |
| July 25, 2006 | BYD | P | 1,000,000 | $36.49 | $36,490,000 | 15,790,005 Direct | +6.76% | Acquired | 124.7% (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 |
|---|---|---|---|---|---|---|---|
| Aug. 4, 2006 | BYD | Employee Stock Option (Right to Buy) | Common Stock (115,000) | $39.96 | Oct. 19, 2015 | 115,000 | Disposed |
| Aug. 4, 2006 | BYD | Employee Stock Option (Right to Buy) | Common Stock (150,000) | $36.76 | Dec. 8, 2014 | 150,000 | Disposed |
| Oct. 19, 2005 | BYD | Employee Stock Option (Right to Buy) | Common Stock (115,000) | $39.96 | Oct. 19, 2015 | 115,000 | Acquired |
| Dec. 8, 2004 | BYD | Employee Stock Option (Right to Buy) | Common Stock (150,000) | $36.76 | Dec. 8, 2014 | 150,000 | 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 |
|---|---|---|---|---|
| July 2, 2004 | BYD | Common Stock | — | Direct |