Prem A Lachman
CIK 1847885 · View on SEC EDGAR ↗
Insider
First SEC filing: March 3, 2021 · Latest: March 3, 2021
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 6 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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 18, 2026 | OPK | A | 30,000 | — | — | 30,000 Direct | — | Acquired | (price as of 2026-08-20) |
| April 23, 2025 | OPK | A | 30,000 | — | — | 30,000 Direct | — | Acquired | (price as of 2026-08-20) |
| June 22, 2023 | OPK | A | 30,000 | — | — | 30,000 Direct | — | Acquired | (price as of 2026-08-20) |
| July 14, 2022 | OPK | A | 30,000 | — | — | 30,000 Direct | — | Acquired | (price as of 2026-08-20) |
| June 24, 2021 | OPK | A | 30,000 | — | — | 30,000 Direct | — | Acquired | (price as of 2026-08-20) |
| March 1, 2021 | OPK | A | 40,000 | — | — | 40,000 Direct | — | Acquired | (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 |
|---|---|---|---|---|---|---|---|
| June 18, 2026 | OPK | Stock Option (Right to Buy) | Common Stock (30,000) | $1.42 | June 17, 2036 | 30,000 | Acquired |
| April 23, 2025 | OPK | Stock Option (Right to Buy) | Common Stock (30,000) | $1.47 | April 22, 2035 | 30,000 | Acquired |
| June 22, 2023 | OPK | Stock Option (Right to Buy) | Common Stock (30,000) | $1.61 | June 21, 2033 | 30,000 | Acquired |
| July 14, 2022 | OPK | Stock Option (Right to Buy) | Common Stock (30,000) | $2.69 | July 13, 2032 | 30,000 | Acquired |
| June 24, 2021 | OPK | Stock Option (Right to Buy) | Common Stock (30,000) | $3.77 | June 23, 2031 | 30,000 | Acquired |
| March 1, 2021 | OPK | Stock Option (Right to Buy) | Common Stock (40,000) | $4.70 | Feb. 28, 2031 | 40,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 3, 2021 | OPK | Common Stock | 0 | Direct |