Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 7 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

7 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Dec. 2, 2005 DYAI S 1,000 $2.11 $2,110 274,800 Indirect -0.36% Disposed -78.4% (price as of 2026-10-02)
Nov. 30, 2005 DYAI S 5,000 $2.12 $10,600 275,800 Indirect -1.78% Disposed -78.5% (price as of 2026-10-02)
Nov. 30, 2005 DYAI S 3,000 $2.10 $6,300 280,800 Indirect -1.06% Disposed -78.3% (price as of 2026-10-02)
Nov. 30, 2005 DYAI S 4,000 $2.08 $8,320 283,800 Indirect -1.39% Disposed -78.1% (price as of 2026-10-02)
Nov. 29, 2005 DYAI S 1,000 $2.06 $2,060 287,800 Indirect -0.35% Disposed -77.9% (price as of 2026-10-02)
Nov. 23, 2005 DYAI S 200 $2.24 $448 288,800 Indirect -0.07% Disposed -79.7% (price as of 2026-10-02)
Nov. 21, 2005 DYAI S 2,000 $2.26 $4,520 290,000 Indirect -0.68% Disposed -79.8% (price as of 2026-10-02)
Nov. 21, 2005 DYAI S 1,000 $2.28 $2,280 289,000 Indirect -0.34% Disposed -80.0% (price as of 2026-10-02)
June 9, 2005 DYAI S 5,000 $2.58 $12,900 292,000 Indirect -1.68% Disposed -82.3% (price as of 2026-10-02)
June 9, 2005 DYAI S 3,000 $2.60 $7,800 297,000 Indirect -1.00% Disposed -82.5% (price as of 2026-10-02)

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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/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

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
May 26, 2005 DYAI Common Stock 300,000 Indirect
May 26, 2005 DYAI Nonqualified Stock Option→ Common Stock (30,000) 30,000 Direct
May 26, 2005 DYAI Warrants→ Common Stock (150,000) 150,000 Indirect