David A Eichler
Insider
First SEC filing: March 29, 2007 · Latest: March 29, 2007
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 19, 2007 | OPK | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 3, 2007 | OPK | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-02) |
| March 27, 2007 | OPK | J | 155,682 | · | · | 155,682 Indirect | · | Acquired | (price as of 2026-10-02) |
| March 27, 2007 | OPK | J | 103,788 | · | · | 103,788 Indirect | · | Acquired | (price as of 2026-10-02) |
| March 27, 2007 | OPK | J | 25,947 | · | · | 25,947 Indirect | · | Acquired | (price as of 2026-10-02) |
| March 27, 2007 | OPK | J | 309,737 | · | · | 309,737 Indirect | · | Acquired | (price as of 2026-10-02) |
| March 27, 2007 | OPK | J | 309,737 | · | · | 309,737 Indirect | · | Acquired | (price as of 2026-10-02) |
| March 27, 2007 | OPK | J | 309,737 | · | · | 309,737 Indirect | · | Acquired | (price as of 2026-10-02) |
| March 27, 2007 | OPK | J | 1,135,188 | · | · | 1,135,188 Indirect | · | Acquired | (price as of 2026-10-02) |
| March 27, 2007 | OPK | J | 90,815 | · | · | 90,815 Indirect | · | Acquired | (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.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Sept. 19, 2007 | OPK | Stock Option | Common Stock | $4.15 | Sept. 19, 2014 | 20,000 | Acquired |
| May 3, 2007 | OPK | Stock Option (Right to Buy) | Common Stock | $4.88 | May 3, 2014 | 20,000 | Acquired |
| March 27, 2007 | OPK | Stock Option (Right to Buy) | Common Stock | $0.05 | Feb. 28, 2016 | 155,682 | Acquired |
| March 27, 2007 | OPK | Stock Option (Right to Buy) | Common Stock | $0.04 | Feb. 15, 2015 | 103,788 | Acquired |
| March 27, 2007 | OPK | Stock Option (Right to Buy) | Common Stock | $0.04 | Nov. 8, 2014 | 25,947 | Acquired |
| March 27, 2007 | OPK | Warrant (Right to Buy) | Common Stock | $1.05 | March 27, 2017 | 309,737 | Acquired |
| March 27, 2007 | OPK | Warrant (Right to Buy) | Common Stock | $0.85 | March 27, 2017 | 309,737 | Acquired |
| March 27, 2007 | OPK | Warrant(Right to Buy) | Common Stock | $0.67 | March 27, 2017 | 309,737 | Acquired |
| March 27, 2007 | OPK | Warrant (Right to Buy) | Common Stock | $0.00 | March 27, 2017 | 1,135,188 | Acquired |
| March 27, 2007 | OPK | Series C Convertible Preferred Stock | Common Stock | $0.00 | · | 90,815 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 8 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 29, 2007 | OPK | Series C Convertible Preferred Stock | 9,081,500 | Indirect |
| March 29, 2007 | OPK | Warrant (Right to Buy) | 1,135,188 | Indirect |
| March 29, 2007 | OPK | WArrant (Right to Buy) | 309,737 | Indirect |
| March 29, 2007 | OPK | Warrant (Right to Buy) | 309,737 | Indirect |
| March 29, 2007 | OPK | Warrant (Right to Buy) | 309,737 | Indirect |
| March 29, 2007 | OPK | Stock Option (Right to Buy) | 25,947 | Indirect |
| March 29, 2007 | OPK | Stock Option (Right to Buy) | 103,788 | Indirect |
| March 29, 2007 | OPK | Stock Option (Right to Buy) | 155,682 | Indirect |