Ratnesh Chandra

CIK 1328275 · View on SEC EDGAR ↗

Insider

First SEC filing: May 26, 2005 · Latest: May 26, 2005

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 1 non-open-market transaction 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

No open-market trades on record; showing all filings.

Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
April 4, 2006 DYAI A 30,000 $4.60 $138,000 105,000 Direct +40.00% Acquired -84.0% (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
April 4, 2006 DYAI Employee Stock Option Common Stock (30,000) $4.60 April 3, 2011 30,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 4 holdings

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

Date Ticker Security Shares Ownership
May 26, 2005 DYAI Common Stock 28,716 Direct
May 26, 2005 DYAI Employee Stock Option→ Common Stock (50,000) 50,000 Direct
May 26, 2005 DYAI Employee Stock Option→ Common Stock (15,000) 15,000 Direct
May 26, 2005 DYAI Employee Stock Option→ Common Stock (10,000) 10,000 Direct