Joseph S Zakrzewski
CIK 1331852 · View on SEC EDGAR ↗
First SEC filing: March 24, 2022 · Latest: March 24, 2022
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Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 27, 2024 | ANTX | P | 2,000 | $1.40 | $2,800 | 125,199 Direct | +1.62% | Acquired | 315.7% (price as of 2026-08-21) |
| Nov. 19, 2024 | ANTX | P | 5,000 | $1.01 | $5,050 | 123,199 Direct | +4.23% | Acquired | 476.2% (price as of 2026-08-21) |
| Nov. 18, 2024 | ANTX | P | 20,000 | $1.00 | $20,000 | 118,199 Direct | +20.37% | Acquired | 482.0% (price as of 2026-08-21) |
| Jan. 18, 2024 | ANTX | S | 100,000 | $19.11 | $1,911,000 | 405,880 Indirect | -19.77% | Disposed | -69.5% (price as of 2026-08-21) |
| Jan. 3, 2020 | AMRN | S 10b5-1 | 300,000 | $20.94 | $6,282,000 | 84,547 Direct | -78.01% | Disposed | -96.6% (price as of 2026-08-21) |
| Dec. 16, 2019 | AMRN | S 10b5-1 | 100,000 | $25.83 | $2,583,000 | 84,547 Direct | -54.19% | Disposed | -97.3% (price as of 2026-08-21) |
| July 5, 2019 | AMRN | S 10b5-1 | 100,000 | $23.82 | $2,382,000 | 84,547 Direct | -54.19% | Disposed | -97.0% (price as of 2026-08-21) |
| June 18, 2019 | AMRN | S 10b5-1 | 100,000 | $19.02 | $1,902,000 | 84,547 Direct | -54.19% | Disposed | -96.3% (price as of 2026-08-21) |
| Feb. 22, 2019 | AMRN | S 10b5-1 | 180,625 | $19.90 | $3,594,438 | 84,547 Direct | -68.12% | Disposed | -96.5% (price as of 2026-08-21) |
| Jan. 10, 2019 | AMRN | S 10b5-1 | 100,000 | $17.96 | $1,796,000 | 84,547 Direct | -54.19% | Disposed | -96.1% (price as of 2026-08-21) |
| Jan. 10, 2019 | AMRN | S 10b5-1 | 100,000 | $16.00 | $1,600,000 | 184,547 Direct | -35.14% | Disposed | -95.6% (price as of 2026-08-21) |
| Jan. 2, 2019 | AMRN | S 10b5-1 | 385,000 | $13.03 | $5,016,550 | 84,547 Direct | -81.99% | Disposed | -94.6% (price as of 2026-08-21) |
| Dec. 28, 2018 | AMRN | S 10b5-1 | 141,500 | $13.19 | $1,866,385 | 84,547 Direct | -62.60% | Disposed | -94.6% (price as of 2026-08-21) |
| Sept. 24, 2018 | AMRN | S 10b5-1 | 65,800 | $12.18 | $801,444 | 226,047 Direct | -22.55% | Disposed | -94.2% (price as of 2026-08-21) |
| Sept. 24, 2018 | AMRN | S 10b5-1 | 26,949 | $11.23 | $302,637 | 291,847 Direct | -8.45% | Disposed | -93.7% (price as of 2026-08-21) |
| Sept. 24, 2018 | AMRN | S 10b5-1 | 407,251 | $10.30 | $4,194,685 | 318,796 Direct | -56.09% | Disposed | -93.1% (price as of 2026-08-21) |
| March 2, 2017 | PODD | S | 22,279 | $46.99 | $1,046,890 | 27,849 Direct | -44.44% | Disposed | 210.9% (price as of 2026-08-21) |
| March 2, 2017 | PODD | S | 13,721 | $46.31 | $635,420 | 50,128 Direct | -21.49% | Disposed | 215.5% (price as of 2026-08-21) |
| March 2, 2017 | PODD | S | 4,000 | $48.03 | $192,120 | 63,849 Direct | -5.90% | Disposed | 204.2% (price as of 2026-08-21) |
| Nov. 18, 2013 | AMRN | P | 50,777 | $1.54 | $78,197 | 226,047 Direct | +28.97% | Acquired | -54.1% (price as of 2026-08-21) |
Showing latest 100 of 150 transactions
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 |
|---|---|---|---|---|---|---|---|
| March 19, 2026 | ANTX | Stock Option (right to buy) | Common Stock (23,742) | $5.91 | June 6, 2033 | 23,742 | Disposed |
| March 19, 2026 | ANTX | Stock Option (right to buy) | Common Stock (23,742) | — | June 6, 2033 | 23,742 | Acquired |
| March 19, 2026 | ANTX | Stock Option (right to buy) | Common Stock (10,362) | $17.28 | May 11, 2032 | 10,362 | Disposed |
| March 19, 2026 | ANTX | Stock Option (right to buy) | Common Stock (10,362) | — | May 11, 2032 | 10,362 | Acquired |
| March 19, 2026 | ANTX | Stock Option (right to buy) | Common Stock (99,999) | $6.60 | April 29, 2031 | 99,999 | Disposed |
| March 19, 2026 | ANTX | Stock Option (right to buy) | Common Stock (99,999) | — | April 29, 2031 | 99,999 | Acquired |
| Feb. 20, 2026 | ANTX | Stock Option (Right to Buy) | Common Stock (20,400) | $1.04 | Feb. 19, 2036 | 20,400 | Acquired |
| May 22, 2025 | ANTX | Stock Option (Right to Buy) | Common Stock (19,111) | $1.19 | May 21, 2035 | 19,111 | Acquired |
| June 19, 2024 | ANTX | Stock Option (Right to Buy) | Common Stock (64,503) | $2.00 | June 18, 2034 | 64,503 | Acquired |
| June 7, 2023 | ANTX | Stock Option (right to buy) | Common Stock (23,742) | $5.91 | June 6, 2033 | 23,742 | Acquired |
| May 12, 2022 | ANTX | Stock Option (right to buy) | Common Stock (10,362) | $17.28 | May 11, 2032 | 10,362 | Acquired |
| March 29, 2022 | ANTX | Series A Convertible Preferred Stock | Common Stock (98,199) | — | — | 98,199 | Disposed |
| Jan. 3, 2020 | AMRN | Stock Option (Right to Buy) | Ordinary Shares [F2] (300,000) | $3.40 | Nov. 11, 2020 | 300,000 | Disposed |
| Dec. 16, 2019 | AMRN | Stock Option (Right to Buy) | Ordinary Shares [F2] (100,000) | $9.00 | Oct. 20, 2021 | 100,000 | Acquired |
| July 5, 2019 | AMRN | Stock Option (Right to Buy) | Ordinary Shares [F2] (100,000) | $9.00 | Oct. 20, 2021 | 100,000 | Disposed |
| June 18, 2019 | AMRN | Stock Option (Right to Buy) | Ordinary Shares [F2] (100,000) | $3.40 | Nov. 11, 2020 | 100,000 | Disposed |
| May 20, 2019 | AMRN | Restricted Stock Units | Ordinary Shares [F2] (7,428) | — | — | 7,428 | Acquired |
| May 20, 2019 | AMRN | Stock Option (Right to Buy) | Ordinary Shares [F2] (9,658) | $16.83 | May 20, 2029 | 9,658 | Acquired |
| Feb. 22, 2019 | AMRN | Stock Option (Right to Buy) | Ordinary Shares [F2] (36,875) | $8.10 | Jan. 2, 2023 | 36,875 | Disposed |
| Feb. 22, 2019 | AMRN | Stock Option (Right to Buy) | Ordinary Shares [F2] (143,750) | $8.86 | Feb. 1, 2022 | 143,750 | Disposed |
| Jan. 10, 2019 | AMRN | Stock Option (Right to Buy) | Ordinary Shares [F2] (200,000) | $3.40 | Nov. 11, 2020 | 200,000 | Disposed |
| Jan. 2, 2019 | AMRN | Stock Option (Right to Buy) | Ordinary Shares [F2] (35,000) | $1.35 | Dec. 21, 2019 | 35,000 | Disposed |
| Jan. 2, 2019 | AMRN | Stock Option (Right to Buy) | Ordinary Shares [F2] (350,000) | $3.40 | Nov. 11, 2020 | 350,000 | Disposed |
| Sept. 24, 2018 | AMRN | Stock Option (Right to Buy) | Ordinary Shares [F2] (500,000) | $3.40 | Nov. 11, 2020 | 500,000 | Disposed |
| May 14, 2018 | AMRN | Restricted Stock Units | Ordinary Shares [F2] (31,153) | — | — | 31,153 | Acquired |
| May 14, 2018 | AMRN | Stock Option (right to buy) | Ordinary Shares [F2] (46,973) | $3.21 | May 14, 2028 | 46,973 | Acquired |
| May 17, 2017 | PODD | Stock Option (Right to Buy) | Common Stock (3,587) | $40.60 | May 17, 2027 | 3,587 | Acquired |
| May 15, 2017 | AMRN | Restricted Stock Units | Ordinary Shares [F2] (14,706) | — | — | 14,706 | Acquired |
| May 15, 2017 | AMRN | Stock Option (right to buy) | Ordinary Shares [F2] (21,146) | $3.06 | May 15, 2027 | 21,146 | Acquired |
| March 2, 2017 | PODD | Stock Option (Right to Buy) | Common Stock (18,480) | $7.06 | July 30, 2019 | 18,480 | Disposed |
| March 2, 2017 | PODD | Stock Option (Right to Buy) | Common Stock (4,000) | $17.75 | June 1, 2022 | 4,000 | Disposed |
| March 2, 2017 | PODD | Stock Option (Right to Buy) | Common Stock (4,000) | $20.90 | May 12, 2021 | 4,000 | Disposed |
| March 2, 2017 | PODD | Stock Option (Right to Buy) | Common Stock (4,000) | $14.48 | June 1, 2020 | 4,000 | Disposed |
| March 2, 2017 | PODD | Stock Option (Right to Buy) | Common Stock (9,520) | $18.75 | May 8, 2018 | 9,520 | Disposed |
| July 11, 2016 | AMRN | Restricted Stock Units | Ordinary Shares [F2] (20,548) | — | — | 20,548 | Acquired |
| July 11, 2016 | AMRN | Stock Option (right to buy) | Ordinary Shares [F2] (28,847) | $2.19 | July 11, 2026 | 28,847 | Acquired |
| May 11, 2016 | PODD | Stock Option (Right to Buy) | Common Stock (5,235) | $28.87 | May 11, 2026 | 5,235 | Acquired |
| July 6, 2015 | AMRN | Restricted Stock Units | Ordinary Shares [F2] (18,000) | — | — | 18,000 | Acquired |
| July 6, 2015 | AMRN | Restricted Stock Units | Ordinary Shares [F2] (40,500) | — | — | 40,500 | Acquired |
| July 6, 2015 | AMRN | Stock Option (right to buy) | Ordinary Shares [F2] (23,144) | $2.50 | July 6, 2025 | 23,144 | Acquired |
| July 6, 2015 | AMRN | Stock Option (right to buy) | Ordinary Shares [F2] (17,358) | $2.50 | July 6, 2025 | 17,358 | Acquired |
| May 13, 2015 | PODD | Stock Option (Right to Buy) | Common Stock (5,525) | $27.37 | May 13, 2025 | 5,525 | Acquired |
| June 2, 2014 | PODD | Stock Option (Right to Buy) | Common Stock (4,000) | $35.11 | June 2, 2024 | 4,000 | Acquired |
| March 11, 2014 | AMRN | Restricted Stock Units | Ordinary Shares [F2] (24,000) | — | — | 24,000 | Acquired |
| March 11, 2014 | AMRN | Stock Option (right to buy) | Ordinary Shares [F2] (28,500) | $1.87 | March 11, 2024 | 28,500 | Acquired |
| July 26, 2013 | AMRN | Restricted Stock Units | Ordinary Shares [F1] (33,333) | — | — | 33,333 | Disposed |
| June 25, 2013 | AMRN | Stock Option (right to buy) | Ordinary Shares [F1] (10,000) | $1.35 | Dec. 21, 2019 | 10,000 | Disposed |
| June 21, 2013 | AMRN | Stock Option (right to buy) | Ordinary Shares [F1] (10,000) | $1.35 | Dec. 21, 2019 | 10,000 | Disposed |
| June 3, 2013 | PODD | Stock Option (Right to Buy) | Common Stock (4,000) | $30.04 | June 3, 2023 | 4,000 | Acquired |
| April 25, 2013 | AMRN | Stock Option (right to buy) | Ordinary Shares [F1] (10,000) | $1.35 | Dec. 21, 2019 | 10,000 | Disposed |
| Jan. 2, 2013 | AMRN | Stock Option (right to buy) | Ordinary Shares [F2] (147,500) | $8.10 | Jan. 2, 2023 | 147,500 | Acquired |
| Oct. 1, 2012 | AMRN | Stock Option (right to buy) | Ordinary Shares [F1] (150,000) | $1.35 | Dec. 21, 2019 | 150,000 | Disposed |
| July 27, 2012 | AMRN | Stock Option (right to buy) | Ordinary Shares [F1] (150,000) | $1.35 | Dec. 21, 2019 | 150,000 | Disposed |
| July 26, 2012 | AMRN | Restricted Stock Units | Ordinary Shares [F1] (33,333) | — | — | 33,333 | Acquired |
| June 1, 2012 | PODD | Stock Option (Right to Buy) | Common Stock (4,000) | $17.75 | June 1, 2022 | 4,000 | Acquired |
| May 29, 2012 | AMRN | Stock Option (right to buy) | Ordinary Shares [F1] (150,000) | $1.35 | Dec. 21, 2019 | 150,000 | Disposed |
| March 23, 2012 | AMRN | Stock Option (right to buy) | Ordinary Shares [F1] (160,000) | $1.35 | Dec. 21, 2019 | 160,000 | Disposed |
| Feb. 1, 2012 | AMRN | Stock Option (right to buy) | Orginary Shares [F2] (300,000) | $8.86 | Jan. 31, 2022 | 300,000 | Acquired |
| Nov. 7, 2011 | AMRN | Stock Option (right to buy) | Ordinary Shares [F1] (5,000) | $1.35 | Dec. 21, 2019 | 5,000 | Disposed |
| Oct. 20, 2011 | AMRN | Stock Option (right to buy) | Ordinary Shares [F2] (625,000) | $9.00 | Oct. 20, 2021 | 625,000 | Acquired |
| Aug. 22, 2011 | AMRN | Stock Option (right to buy) | Ordinary Shares [F1] (5,000) | $1.35 | Dec. 21, 2019 | 5,000 | Disposed |
| July 15, 2011 | AMRN | Stock Option (right to buy) | Ordinary Shares [F1] (5,000) | $1.35 | Dec. 21, 2019 | 5,000 | Disposed |
| July 15, 2011 | AMRN | Stock Option (right to buy) | Ordinary Shares [F1] (5,000) | $1.35 | Dec. 21, 2019 | 5,000 | Disposed |
| May 12, 2011 | PODD | Stock Option (Right to Buy) | Common Stock (4,000) | $20.90 | May 12, 2021 | 4,000 | Acquired |
| April 18, 2011 | AMRN | Stock Option (right to buy) | Ordinary Shares [F1] (200,000) | $3.40 | Nov. 11, 2020 | 200,000 | Disposed |
| April 18, 2011 | AMRN | Stock Option (right to buy) | Ordinary Shares [F1] (100,000) | $1.35 | Dec. 21, 2019 | 100,000 | Disposed |
| March 9, 2011 | AMRN | Stock Option (right to buy) | Ordinary Shares [F1] (10,000) | $1.35 | Dec. 21, 2019 | 10,000 | Disposed |
| Feb. 25, 2011 | AMRN | Stock Option (right to buy) | Ordinary Shares [F1] (60,000) | $1.35 | Dec. 21, 2019 | 60,000 | Disposed |
| Feb. 22, 2011 | AMRN | Stock Option (right to buy) | Ordinary Shares [F1] (100,000) | $1.35 | Dec. 21, 2019 | 100,000 | Disposed |
| June 1, 2010 | PODD | Stock Option (Right to Buy) | Common Stock (4,000) | $14.48 | June 1, 2020 | 4,000 | Acquired |
| July 30, 2009 | PODD | Stock Option (Right to Buy) | Common Stock (18,480) | $7.06 | July 30, 2019 | 18,480 | Acquired |
| May 8, 2008 | PODD | Stock Option (right to buy) | Common Stock (9,520) | $18.75 | May 8, 2018 | 9,520 | 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 24, 2022 | ANTX | Common Stock | 505,880 | Indirect |
| March 24, 2022 | ANTX | Stock Option (right to buy)→ Common Stock (99,999) | 99,999 | Direct |
| March 24, 2022 | ANTX | Series A Convertible Preferred Stock→ Common Stock (98,199) | 98,199 | Direct |
| Dec. 30, 2010 | AMRN | Ordinary Shares [F1] | 43,604 | Direct |
| Dec. 30, 2010 | AMRN | Ordinary Shares [F1] | 10,000 | Direct |
| Dec. 30, 2010 | AMRN | Stock Option (right to buy)→ Ordinary Shares [F1] (960,000) | 960,000 | Direct |
| Dec. 30, 2010 | AMRN | Stock Option (right to buy)→ Ordinary Shares [F1] (1,750,000) | 1,750,000 | Direct |
| May 12, 2008 | PODD | No Securities are beneficially owned | 0 | Direct |