Alice Lin-Tsing Yu
CIK 1462564 · View on SEC EDGAR ↗
Insider
First SEC filing: March 12, 2019 · Latest: March 12, 2019
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 26 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 2026-08-21) |
| April 23, 2025 | OPK | A | 30,000 | — | — | 30,000 Direct | — | Acquired | (price as of 2026-08-21) |
| June 22, 2023 | OPK | A | 30,000 | — | — | 30,000 Direct | — | Acquired | (price as of 2026-08-21) |
| July 14, 2022 | OPK | A | 30,000 | — | — | 30,000 Direct | — | Acquired | (price as of 2026-08-21) |
| June 24, 2021 | OPK | A | 30,000 | — | — | 30,000 Direct | — | Acquired | (price as of 2026-08-21) |
| June 25, 2020 | OPK | A | 20,000 | — | — | 20,000 Direct | — | Acquired | (price as of 2026-08-21) |
| June 20, 2019 | OPK | A | 20,000 | — | — | 20,000 Direct | — | Acquired | (price as of 2026-08-21) |
| June 21, 2018 | OPK | A | 20,000 | — | — | 20,000 Direct | — | Acquired | (price as of 2026-08-21) |
| June 15, 2017 | OPK | A | 20,000 | — | — | 20,000 Direct | — | Acquired | (price as of 2026-08-21) |
| April 10, 2017 | OPK | M | 20,000 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| April 10, 2017 | OPK | M | 20,000 | $4.72 | $94,400 | 100,000 Direct | +25.00% | Acquired | -69.0% (price as of 2026-08-21) |
| May 5, 2016 | OPK | A | 20,000 | — | — | 20,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Oct. 8, 2015 | OPK | M | 20,000 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| Oct. 8, 2015 | OPK | M | 20,000 | $3.43 | $68,600 | 80,000 Direct | +33.33% | Acquired | -57.3% (price as of 2026-08-21) |
| Aug. 18, 2015 | OPK | M | 20,000 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| Aug. 18, 2015 | OPK | M | 20,000 | $2.05 | $41,000 | 60,000 Direct | +50.00% | Acquired | -28.5% (price as of 2026-08-21) |
| June 18, 2015 | OPK | A | 20,000 | — | — | 20,000 Direct | — | Acquired | (price as of 2026-08-21) |
| June 12, 2014 | OPK | A | 20,000 | — | — | 20,000 Direct | — | Acquired | (price as of 2026-08-21) |
| June 5, 2014 | OPK | M | 20,000 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| June 5, 2014 | OPK | M | 20,000 | $1.23 | $24,600 | 40,000 Direct | +100.00% | Acquired | 19.1% (price as of 2026-08-21) |
| Oct. 1, 2013 | OPK | M | 20,000 | — | — | 20,000 Direct | -50.00% | Disposed | (price as of 2026-08-21) |
| Oct. 1, 2013 | OPK | M | 20,000 | $1.23 | $24,600 | 20,000 Direct | — | Acquired | 19.1% (price as of 2026-08-21) |
| Aug. 28, 2013 | OPK | A | 20,000 | — | — | 20,000 Direct | — | Acquired | (price as of 2026-08-21) |
| June 9, 2011 | OPK | A | 20,000 | — | — | 20,000 Direct | — | Acquired | (price as of 2026-08-21) |
| May 27, 2010 | OPK | A | 20,000 | — | — | 20,000 Direct | — | Acquired | (price as of 2026-08-21) |
| April 21, 2009 | OPK | A | 40,000 | — | — | 40,000 Direct | — | Acquired | (price as of 2026-08-21) |
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 |
| June 25, 2020 | OPK | Stock Option (Right to Buy) | Common Stock (20,000) | $2.68 | June 24, 2030 | 20,000 | Acquired |
| June 20, 2019 | OPK | Stock Option (Right to Buy) | Common Stock (20,000) | $2.03 | June 19, 2029 | 20,000 | Acquired |
| June 21, 2018 | OPK | Stock Option (Right to Buy) | Common Stock (20,000) | $4.46 | June 20, 2028 | 20,000 | Acquired |
| June 15, 2017 | OPK | Stock Option (Right to Buy) | Common Stock (20,000) | $6.45 | June 14, 2027 | 20,000 | Acquired |
| April 10, 2017 | OPK | Stock Option (Right to Buy) | Common Stock (20,000) | $4.72 | June 13, 2019 | 20,000 | Disposed |
| May 5, 2016 | OPK | Stock Option (Right to Buy) | Common Stock (20,000) | $9.75 | May 4, 2026 | 20,000 | Acquired |
| Oct. 8, 2015 | OPK | Stock Option (Right to Buy) | Common Stock (20,000) | $3.43 | June 8, 2018 | 20,000 | Disposed |
| Aug. 18, 2015 | OPK | Stock Option (Right to Buy) | Common Stock (20,000) | $2.05 | May 26, 2017 | 20,000 | Disposed |
| June 18, 2015 | OPK | Stock Option (Right to Buy) | Common Stock (20,000) | $15.43 | June 17, 2025 | 20,000 | Acquired |
| June 12, 2014 | OPK | Stock Option (Right to Buy) | Common stock (20,000) | $9.10 | June 11, 2024 | 20,000 | Acquired |
| June 5, 2014 | OPK | Stock Option (Right to Buy) | Common Stock (20,000) | $1.23 | April 20, 2016 | 20,000 | Disposed |
| Oct. 1, 2013 | OPK | Stock Option (Right to Buy) | Common Stock (20,000) | $1.23 | April 20, 2016 | 20,000 | Disposed |
| Aug. 28, 2013 | OPK | Stock Option (Right to Buy) | Common Stock (20,000) | $8.58 | Aug. 27, 2020 | 20,000 | Acquired |
| June 9, 2011 | OPK | Stock Option (Right to Buy) | Common Stock (20,000) | $3.43 | June 8, 2018 | 20,000 | Acquired |
| May 27, 2010 | OPK | Stock Option (Right to Buy) | Common Stock (20,000) | $2.05 | May 26, 2017 | 20,000 | Acquired |
| April 21, 2009 | OPK | Stock Option (Right to Buy) | Common Stock (40,000) | $1.23 | April 20, 2016 | 40,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).