Stephen J Warner
CIK 1328283 · View on SEC EDGAR ↗
First SEC filing: May 26, 2005 · Latest: May 26, 2005
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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 |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 2, 2005 | DYAI | S | 1,000 | $2.11 | $2,110 | 274,800 Indirect | -0.36% | Disposed | -64.5% (price as of 2026-08-19) |
| Nov. 30, 2005 | DYAI | S | 5,000 | $2.12 | $10,600 | 275,800 Indirect | -1.78% | Disposed | -64.6% (price as of 2026-08-19) |
| Nov. 30, 2005 | DYAI | S | 3,000 | $2.10 | $6,300 | 280,800 Indirect | -1.06% | Disposed | -64.3% (price as of 2026-08-19) |
| Nov. 30, 2005 | DYAI | S | 4,000 | $2.08 | $8,320 | 283,800 Indirect | -1.39% | Disposed | -63.9% (price as of 2026-08-19) |
| Nov. 29, 2005 | DYAI | S | 1,000 | $2.06 | $2,060 | 287,800 Indirect | -0.35% | Disposed | -63.6% (price as of 2026-08-19) |
| Nov. 23, 2005 | DYAI | S | 200 | $2.24 | $448 | 288,800 Indirect | -0.07% | Disposed | -66.5% (price as of 2026-08-19) |
| Nov. 21, 2005 | DYAI | S | 2,000 | $2.26 | $4,520 | 290,000 Indirect | -0.68% | Disposed | -66.8% (price as of 2026-08-19) |
| Nov. 21, 2005 | DYAI | S | 1,000 | $2.28 | $2,280 | 289,000 Indirect | -0.34% | Disposed | -67.1% (price as of 2026-08-19) |
| June 9, 2005 | DYAI | S | 5,000 | $2.58 | $12,900 | 292,000 Indirect | -1.68% | Disposed | -70.9% (price as of 2026-08-19) |
| June 9, 2005 | DYAI | S | 3,000 | $2.60 | $7,800 | 297,000 Indirect | -1.00% | Disposed | -71.2% (price as of 2026-08-19) |
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 |
|---|---|---|---|---|---|---|---|
| Jan. 2, 2007 | DYAI | Non-Qualified Stock Option | Common Stock (25,000) | $6.10 | Jan. 1, 2012 | 25,000 | Acquired |
| May 31, 2006 | DYAI | Warrant to purchase Common Stock | Common Stock (75,000) | $5.50 | Oct. 29, 2009 | 75,000 | Disposed |
| Feb. 10, 2006 | DYAI | Option to purchase Common Stock | Common Stock (25,000) | $2.36 | Feb. 9, 2011 | 25,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.