Dmitry Kolosov
CIK 1550197 · View on SEC EDGAR ↗
First SEC filing: June 27, 2014 · Latest: June 27, 2014
On this page
Insider at
Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| May 5, 2016 | OPK | A | 20,000 | — | — | 20,000 Direct | — | Acquired | (price as of 2026-08-20) |
| June 18, 2015 | OPK | A | 20,000 | — | — | 20,000 Direct | — | Acquired | (price as of 2026-08-20) |
| March 18, 2015 | OPK | A | 10,000 | — | — | 10,000 Direct | — | Acquired | (price as of 2026-08-20) |
| June 25, 2014 | 1029730 | A | 50,000 | — | — | 50,000 Direct | — | Acquired | |
| June 12, 2014 | OPK | A | 20,000 | — | — | 20,000 Direct | — | Acquired | (price as of 2026-08-20) |
| Nov. 4, 2013 | OPK | A | 25,000 | — | — | 25,000 Direct | — | Acquired | (price as of 2026-08-20) |
| Aug. 28, 2013 | OPK | A | 20,000 | — | — | 20,000 Direct | — | Acquired | (price as of 2026-08-20) |
| May 9, 2013 | 1029730 | A | 50,000 | — | — | 50,000 Direct | — | Acquired | |
| Sept. 28, 2012 | 1029730 | A | 50,000 | — | — | 50,000 Direct | — | Acquired | |
| July 12, 2012 | 1029730 | A | 20,000 | — | — | 20,000 Direct | — | Acquired |
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 |
|---|---|---|---|---|---|---|---|
| May 5, 2016 | OPK | Stock Option (Right to Buy) | Common Stock (20,000) | $9.75 | May 4, 2026 | 20,000 | Acquired |
| June 18, 2015 | OPK | Stock Option (Right to Buy) | Common Stock (20,000) | $15.43 | June 17, 2025 | 20,000 | Acquired |
| March 18, 2015 | OPK | Stock Option (Right to Buy) | Common Stock (10,000) | $14.42 | March 17, 2025 | 10,000 | Acquired |
| June 25, 2014 | 1029730 | Stock Option (Right to Buy) | Common Stock (50,000) | $3.01 | June 25, 2024 | 50,000 | Acquired |
| June 12, 2014 | OPK | Stock Option (Right to Buy) | Common stock (20,000) | $9.10 | June 11, 2024 | 20,000 | Acquired |
| Nov. 4, 2013 | OPK | Stock Option (Right to Buy) | Common Stock (25,000) | $10.75 | Nov. 3, 2020 | 25,000 | Acquired |
| Aug. 28, 2013 | OPK | Stock Option (Right to Buy) | Common Stock (20,000) | $8.58 | Aug. 27, 2020 | 20,000 | Acquired |
| May 9, 2013 | 1029730 | Stock Option (Right to Buy) | Common Stock (50,000) | $1.46 | May 9, 2023 | 50,000 | Acquired |
| Sept. 28, 2012 | 1029730 | Stock Option (Right to Buy) | Common Stock (50,000) | $1.32 | Sept. 28, 2022 | 50,000 | Acquired |
| July 12, 2012 | 1029730 | Stock Option (Right to Buy) | Common Stock (20,000) | — | July 12, 2022 | 20,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).