Joseph S Zakrzewski

CIK 1331852 · View on SEC EDGAR ↗

Insider

First SEC filing: March 24, 2022 · Latest: March 24, 2022

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 80 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

80 other filings hidden
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