Robert A Baron
CIK 1273237 · View on SEC EDGAR ↗
Insider
First SEC filing: Dec. 17, 2003 · Latest: Dec. 17, 2003
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 59 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
59 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 13, 2016 | OPK | S | 3,000 | $9.85 | $29,550 | 284,088 Direct | -1.04% | Disposed | -85.9% (price as of 2026-08-19) |
| May 13, 2016 | OPK | S | 5,616 | $9.84 | $55,261 | 287,088 Direct | -1.92% | Disposed | -85.9% (price as of 2026-08-19) |
| May 13, 2016 | OPK | S | 900 | $9.84 | $8,856 | 292,704 Direct | -0.31% | Disposed | -85.9% (price as of 2026-08-19) |
| May 13, 2016 | OPK | S | 4,000 | $9.83 | $39,320 | 293,604 Direct | -1.34% | Disposed | -85.9% (price as of 2026-08-19) |
| May 13, 2016 | OPK | S | 23,984 | $9.82 | $235,523 | 297,604 Direct | -7.46% | Disposed | -85.8% (price as of 2026-08-19) |
| June 29, 2015 | OPK | P | 2,000 | $15.82 | $31,640 | 290,965 Direct | +0.69% | Acquired | -91.2% (price as of 2026-08-19) |
| June 10, 2015 | OPK | P | 3,000 | $16.06 | $48,180 | 288,965 Direct | +1.05% | Acquired | -91.3% (price as of 2026-08-19) |
| Jan. 10, 2014 | OPK | S | 32,824 | $8.48 | $278,348 | 299,871 Direct | -9.87% | Disposed | -83.6% (price as of 2026-08-19) |
| Jan. 10, 2014 | OPK | S | 1,700 | $8.48 | $14,416 | 298,171 Direct | -0.57% | Disposed | -83.6% (price as of 2026-08-19) |
| Jan. 10, 2014 | OPK | S | 11,200 | $8.49 | $95,088 | 286,971 Direct | -3.76% | Disposed | -83.6% (price as of 2026-08-19) |
| Jan. 10, 2014 | OPK | S | 400 | $8.49 | $3,396 | 286,571 Direct | -0.14% | Disposed | -83.6% (price as of 2026-08-19) |
| Jan. 10, 2014 | OPK | S | 200 | $8.51 | $1,702 | 285,965 Direct | -0.07% | Disposed | -83.7% (price as of 2026-08-19) |
| Jan. 10, 2014 | OPK | S | 406 | $8.50 | $3,451 | 286,165 Direct | -0.14% | Disposed | -83.6% (price as of 2026-08-19) |
| Aug. 26, 2011 | OPK | P | 3,000 | $3.94 | $11,820 | 261,000 Direct | +1.16% | Acquired | -64.7% (price as of 2026-08-19) |
| Oct. 28, 2009 | OPK | P | 3,100 | $2.07 | $6,417 | 258,000 Direct | +1.22% | Acquired | -32.9% (price as of 2026-08-19) |
| Oct. 28, 2009 | OPK | P | 1,100 | $2.06 | $2,266 | 254,900 Direct | +0.43% | Acquired | -32.5% (price as of 2026-08-19) |
| Oct. 28, 2009 | OPK | P | 800 | $2.05 | $1,640 | 253,800 Direct | +0.32% | Acquired | -32.2% (price as of 2026-08-19) |
| March 5, 2009 | OPK | P | 5,000 | $0.59 | $2,950 | 253,000 Direct | +2.02% | Acquired | 135.6% (price as of 2026-08-19) |
| June 24, 2008 | OPK | P | 3,800 | $1.58 | $6,004 | 248,000 Direct | +1.56% | Acquired | -12.0% (price as of 2026-08-19) |
| June 24, 2008 | OPK | P | 1,200 | $1.55 | $1,860 | 244,200 Direct | +0.49% | Acquired | -10.3% (price as of 2026-08-19) |
| June 18, 2008 | OPK | P | 5,000 | $1.80 | $9,000 | 243,000 Direct | +2.10% | Acquired | -22.8% (price as of 2026-08-19) |
| Feb. 7, 2008 | OPK | P | 50,000 | $1.80 | $90,000 | 238,000 Direct | +26.60% | Acquired | -22.8% (price as of 2026-08-19) |
| July 13, 2007 | OPK | P | 50,000 | $1.80 | $90,000 | 188,000 Direct | +36.23% | Acquired | -22.8% (price as of 2026-08-19) |
| May 8, 2007 | OPK | P | 5,000 | $4.65 | $23,250 | 138,000 Direct | +3.76% | Acquired | -70.1% (price as of 2026-08-19) |
| May 4, 2007 | OPK | P | 1,661 | $4.98 | $8,272 | 133,000 Direct | +1.26% | Acquired | -72.1% (price as of 2026-08-19) |
| Aug. 22, 2006 | OPK | P | 2,000 | $0.74 | $1,480 | 71,800 Direct | +2.87% | Acquired | 87.8% (price as of 2026-08-19) |
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 |
|---|---|---|---|---|---|---|---|
| Jan. 19, 2017 | OPK | Stock Option (Right to Buy) | Common Stock (20,000) | $4.72 | June 13, 2019 | 20,000 | Disposed |
| Jan. 19, 2017 | OPK | Stock Option (Right to Buy) | Common Stock (20,000) | $3.43 | June 8, 2018 | 20,000 | Disposed |
| Jan. 19, 2017 | OPK | Stock Option (Right to Buy) | Common Stock (20,000) | $2.05 | May 26, 2017 | 20,000 | Disposed |
| May 5, 2016 | OPK | Stock Option (Right to Buy) | Common Stock (20,000) | $9.75 | May 4, 2026 | 20,000 | Acquired |
| Jan. 22, 2016 | OPK | Stock Option (Right to Buy) | Common Stock (20,000) | $1.54 | June 9, 2016 | 20,000 | Disposed |
| Jan. 22, 2016 | OPK | Stock Option (Right to Buy) | Common Stock (5,000) | $0.39 | July 3, 2016 | 5,000 | Disposed |
| Jan. 22, 2016 | OPK | Stock Option (Right to Buy) | Common Stock (5,000) | $0.41 | April 2, 2016 | 5,000 | Disposed |
| Aug. 12, 2015 | OPK | Stock Option (Right to Buy) | Common Stock (5,000) | $0.41 | Jan. 2, 2016 | 5,000 | 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 |
| Jan. 7, 2014 | OPK | Stock Option (Right to Buy) | Common Stock (20,000) | $1.78 | July 31, 2015 | 20,000 | Disposed |
| Jan. 7, 2014 | OPK | Stock Option (Right to Buy) | Common Stock (25,000) | $4.15 | Sept. 18, 2014 | 25,000 | Disposed |
| Jan. 7, 2014 | OPK | Stock Option (Right to Buy) | Common Stock (15,000) | $4.88 | May 2, 2014 | 15,000 | Disposed |
| Jan. 7, 2014 | OPK | Stock Option (Right to Buy) | Common Stock (5,000) | $0.45 | Oct. 3, 2015 | 5,000 | Disposed |
| Jan. 7, 2014 | OPK | Stock Option (Right to Buy) | Common Stock (5,000) | $0.42 | July 1, 2015 | 5,000 | Disposed |
| Jan. 7, 2014 | OPK | Stock Option (Right to Buy) | Common Stock (5,000) | $0.40 | March 31, 2015 | 5,000 | Disposed |
| Jan. 7, 2014 | OPK | Stock Option (Right to Buy) | Common Stock (5,000) | $0.32 | Jan. 2, 2015 | 5,000 | Disposed |
| Jan. 7, 2014 | OPK | Stock Option (Right to Buy) | Common Stock (5,000) | $0.67 | Sept. 30, 2014 | 5,000 | Disposed |
| Jan. 7, 2014 | OPK | Stock Option (Right to Buy) | Common Stock (5,000) | $0.71 | June 30, 2014 | 5,000 | Disposed |
| Jan. 7, 2014 | OPK | Stock Option (Right to Buy) | Common Stock (10,000) | $0.89 | April 26, 2014 | 10,000 | 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 |
| June 10, 2009 | OPK | Stock Option (Right to Buy) | Common Stock (20,000) | $1.54 | June 9, 2016 | 20,000 | Acquired |
| Aug. 1, 2008 | OPK | Stock Option (Right to Buy) | Common Stock (20,000) | $1.78 | Aug. 1, 2015 | 20,000 | Acquired |
| Sept. 19, 2007 | OPK | Stock Option | Common Stock (25,000) | $4.15 | Sept. 19, 2014 | 25,000 | Acquired |
| May 3, 2007 | OPK | Stock Option (Right to Buy) | Common Stock (15,000) | $4.88 | May 3, 2014 | 15,000 | Acquired |
| July 3, 2006 | OPK | Option to purchase Common Stock | Common Stock (5,000) | $0.39 | July 3, 2016 | 5,000 | Acquired |
| April 3, 2006 | OPK | Option to Purchase Common Stock | Common Stock (5,000) | $0.41 | April 3, 2016 | 5,000 | Acquired |
| Jan. 3, 2006 | OPK | Option to Puchase Common Stock | Common Stock (5,000) | $0.41 | Jan. 3, 2016 | 5,000 | Acquired |
| Oct. 3, 2005 | OPK | Option to Purchase Common Stock | Common Stock (5,000) | $0.45 | Oct. 3, 2015 | 5,000 | Acquired |
| July 1, 2005 | OPK | Option to Purchase Common Stock | Common Stock (5,000) | $0.42 | July 1, 2015 | 5,000 | Acquired |
| April 1, 2005 | OPK | Option to Purchase Common Stock | Common Stock (5,000) | $0.40 | April 1, 2015 | 5,000 | Acquired |
| Jan. 3, 2005 | OPK | Option to Purchase Common Stock | Common Stock (5,000) | $0.32 | Jan. 3, 2015 | 5,000 | Acquired |
| Oct. 1, 2004 | OPK | Option to Purchase Common Stock | Common Stock (5,000) | $0.67 | Oct. 1, 2014 | 5,000 | Acquired |
| July 2, 2004 | OPK | Option to Purchase Common Stock | Common Stock (5,000) | $0.71 | July 2, 2014 | 5,000 | Acquired |
| May 27, 2004 | OPK | Option to Purchase Common Stock | Common Stock (10,000) | $0.89 | May 27, 2014 | 10,000 | 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 |
|---|---|---|---|---|
| Dec. 17, 2003 | OPK | Common Stock | 44,800 | Direct |