Gilbert S Omenn

CIK 1184227 · View on SEC EDGAR ↗

Insider

First SEC filing: Jan. 14, 2009 · Latest: Feb. 4, 2021

On this page

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
Jan. 7, 2025 AMST P 3,333 $3.00 $9,999 9,805 Indirect +51.50% Acquired -68.7% (price as of 2026-08-20)
Dec. 14, 2021 AMST P 8,000 $1.17 $9,360 77,666 Indirect +11.48% Acquired -93.3% (price as of 2026-08-20)
Dec. 13, 2021 AMST P 8,000 $1.18 $9,440 69,666 Indirect +12.97% Acquired -93.4% (price as of 2026-08-20)
Sept. 29, 2020 AMST P 20,000 $5.00 $100,000 61,666 Indirect +48.00% Acquired -98.4% (price as of 2026-08-20)
May 31, 2019 GALT P 61,929 — — 61,929 Direct — Acquired (price as of 2026-08-20)
May 31, 2019 GALT P 18,578 $4.28 $79,514 66,769 Direct +38.55% Acquired -16.5% (price as of 2026-08-20)
Sept. 10, 2018 GALT S 8,370 $6.00 $50,220 48,191 Direct -14.80% Disposed -40.4% (price as of 2026-08-20)
Sept. 7, 2018 GALT S 11,000 $6.03 $66,330 56,561 Direct -16.28% Disposed -40.7% (price as of 2026-08-20)
March 21, 2017 ESPR P 1,000 $42.26 $42,260 1,000 Indirect — Acquired
March 1, 2016 ESPR P 5,000 $15.28 $76,400 10,000 Direct +100.00% Acquired
Nov. 26, 2012 AMGN S 26,000 $87.11 $2,264,860 176,783 Direct -12.82% Disposed 400.7% (price as of 2026-08-20)
Dec. 8, 2008 AMGN S 100 $58.36 $5,836 208,740 Direct -0.05% Disposed 647.4% (price as of 2026-08-20)
Dec. 8, 2008 AMGN S 100 $58.38 $5,838 208,640 Direct -0.05% Disposed 647.1% (price as of 2026-08-20)
Dec. 8, 2008 AMGN S 100 $58.39 $5,839 208,540 Direct -0.05% Disposed 647.0% (price as of 2026-08-20)
Dec. 8, 2008 AMGN S 6,200 $58.20 $360,840 202,340 Direct -2.97% Disposed 649.5% (price as of 2026-08-20)
Dec. 8, 2008 AMGN S 400 $58.21 $23,284 201,940 Direct -0.20% Disposed 649.3% (price as of 2026-08-20)
Dec. 8, 2008 AMGN S 300 $58.24 $17,472 201,640 Direct -0.15% Disposed 648.9% (price as of 2026-08-20)
Dec. 8, 2008 AMGN S 300 $58.25 $17,475 201,340 Direct -0.15% Disposed 648.8% (price as of 2026-08-20)
Dec. 8, 2008 AMGN S 400 $58.14 $23,256 200,940 Direct -0.20% Disposed 650.2% (price as of 2026-08-20)
Dec. 8, 2008 AMGN S 600 $58.04 $34,824 200,340 Direct -0.30% Disposed 651.5% (price as of 2026-08-20)

Showing latest 100 of 166 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
June 30, 2026 AMST Restricted Stock Units Common Stock (9,023) — — 9,023 Acquired
March 31, 2026 AMST Restricted Stock Units Common Stock (6,522) — — 6,522 Acquired
March 7, 2026 AMST Restricted Stock Units Common Stock (41,322) — — 41,322 Disposed
Feb. 6, 2026 AMST Restricted Stock Units Common Stock (49,751) — — 49,751 Acquired
Jan. 16, 2026 GALT Stock option (right to buy) [F1] Common Stock (60,000) $0.00 Jan. 16, 2036 60,000 Acquired
Dec. 31, 2025 AMST Restricted Stock Units Common Stock (6,349) — — 6,349 Acquired
Sept. 30, 2025 AMST Restricted Stock Units Common Stock (3,934) — — 3,934 Acquired
June 30, 2025 AMST Restricted Stock Units Common Stock (4,461) — — 4,461 Acquired
March 31, 2025 AMST Restricted Stock Units Common Stock (4,959) — — 4,959 Acquired
March 7, 2025 AMST Restricted Stock Units Common Stock (41,322) — — 41,322 Acquired
Jan. 23, 2025 GALT Stock Option (right to buy) [F1] Common Stock (60,000) $1.23 Jan. 23, 2035 60,000 Acquired
Jan. 23, 2025 GALT Stock Option (right to buy) [F1] Common Stock (60,000) $1.23 Jan. 23, 2035 60,000 Acquired
Jan. 16, 2025 AMST Restricted Stock Units Common Stock (36,630) — — 36,630 Disposed
Dec. 31, 2024 AMST Restricted Stock Units Common Stock (2,526) — — 2,526 Acquired
Sept. 30, 2024 AMST Restricted Stock Units Common Stock (4,898) — — 4,898 Acquired
June 28, 2024 AMST Restricted Stock Units Common Stock (4,000) — — 4,000 Acquired
March 28, 2024 AMST Restricted Stock Units Common Stock (5,381) — — 5,381 Acquired
Jan. 24, 2024 GALT Stock Option (right to buy) [F1] Common Stock (50,000) $1.72 Jan. 24, 2034 50,000 Acquired
Jan. 16, 2024 AMST Restricted Stock Units Common Stock (36,630) — — 36,630 Acquired
Dec. 29, 2023 AMST Restricted Stock Units Common Stock (5,333) — — 5,333 Acquired
Sept. 29, 2023 AMST Restricted Stock Units Common Stock (4,706) — — 4,706 Acquired
June 30, 2023 AMST Restricted Stock Units Common Stock (3,324) — — 3,324 Acquired
March 31, 2023 AMST Restricted Stock Units Common Stock (14,620) — — 14,620 Disposed
March 31, 2023 AMST Restricted Stock Units Common Stock (4,598) — — 4,598 Acquired
Jan. 26, 2023 GALT Stock Option (right to buy) [F1] Common Stock (40,000) $1.11 Jan. 26, 2033 40,000 Acquired
Dec. 30, 2022 AMST Restricted Stock Units Common Stock (68,571) — — 68,571 Acquired
Sept. 30, 2022 AMST Restricted Stock Units Common Stock (49,793) — — 49,793 Acquired
June 30, 2022 AMST Restricted Stock Units Common Stock (26,087) — — 26,087 Acquired
March 31, 2022 AMST Restricted Stock Units Common Stock (21,053) — — 21,053 Acquired
March 31, 2022 AMST Restricted Stock Units Common Stock (84,211) — — 84,211 Acquired
March 31, 2022 AMST Restricted Stock Units Common Stock (175,439) — — 175,439 Acquired
Jan. 24, 2022 GALT Stock Option (right to buy) [F1] Common Stock (40,000) $1.98 Jan. 24, 2032 40,000 Acquired
Sept. 28, 2021 AMST Stock option (right to buy) Common Stock (9,184) $1.78 Sept. 27, 2031 9,184 Acquired
March 25, 2021 GALT Stock option (right to buy) [F1] Common Stock (70,000) $2.11 March 25, 2031 70,000 Acquired
March 25, 2021 GALT Stock option (right to buy) [F1] Common Stock (40,000) $2.11 March 25, 2031 40,000 Acquired
Jan. 9, 2020 GALT Stock option (right to buy) [F1] Common Stock (40,000) $2.86 Jan. 9, 2030 40,000 Acquired
May 31, 2019 GALT Common Stock Purchase Warrant (right to buy) Common stock (4,644) $7.00 May 31, 2026 61,929 Acquired
Jan. 16, 2019 GALT Stock option (right to buy) Common stock (35,000) $4.72 Jan. 16, 2029 35,000 Acquired
Dec. 14, 2017 GALT Stock option (right to buy) Common stock (62,250) $2.39 Dec. 14, 2027 62,250 Acquired
April 17, 2017 ESPR Stock Option (right to buy) Common Stock (14,000) $38.96 April 17, 2027 14,000 Acquired
Dec. 15, 2016 GALT Stock option (right to buy) Common stock (41,500) $0.89 Dec. 15, 2026 41,500 Acquired
June 9, 2016 ESPR Stock Option (right to buy) Common Stock (8,000) $17.75 June 9, 2026 8,000 Acquired
May 14, 2015 ESPR Stock Option (right to buy) Common Stock (8,000) $107.74 May 14, 2025 8,000 Acquired
April 8, 2015 GALT Stock Option (right to buy) Common Stock (28,323) $5.06 Sept. 23, 2024 28,323 Disposed
Sept. 23, 2014 GALT Stock Option (Right to Buy) Common Stock (28,323) $5.06 Sept. 23, 2024 28,323 Acquired
Aug. 7, 2014 ESPR Stock option (right to buy) Common Stock (20,000) $15.33 June 23, 2024 20,000 Acquired
Nov. 26, 2012 AMGN Nqso (Right to Buy) Common Stock (5,000) $62.55 April 26, 2014 5,000 Disposed
Nov. 26, 2012 AMGN Nqso (Right to Buy) Common Stock (5,000) $74.89 March 15, 2013 5,000 Disposed
Nov. 26, 2012 AMGN Nqso (Right to Buy) Common Stock (16,000) $50.78 Jan. 27, 2013 16,000 Disposed
April 27, 2012 AMGN Nqso (Right to Buy) Common Stock (5,000) $71.64 April 27, 2022 5,000 Acquired
Feb. 29, 2012 AMGN Nqso (Right to Buy) Common Stock (5,000) $58.61 March 15, 2012 5,000 Disposed
Dec. 22, 2011 AMGN Nqso (Right to Buy) Common Stock (16,000) $56.30 Jan. 28, 2012 16,000 Disposed
Dec. 8, 2011 AMGN Dividend Equivalent Common Stock (21) — — 21 Acquired
Sept. 8, 2011 AMGN Dividend Equivalent Common Stock (22) — — 22 Acquired
April 25, 2011 AMGN Nqso (Right to Buy) Common Stock (5,000) $54.69 April 25, 2021 5,000 Acquired
April 26, 2010 AMGN Nqso (Right to Buy) Common Stock (5,000) $58.43 April 26, 2020 5,000 Acquired
April 28, 2009 AMGN Nqso (Right to Buy) Common Stock (5,000) $50.44 April 28, 2016 5,000 Acquired
Dec. 8, 2008 AMGN Nqso (Right to Buy) Common Stock (16,000) $28.97 Jan. 27, 2009 16,000 Disposed
April 29, 2008 AMGN NQSO (Right to Buy) Common Stock (5,000) $42.13 April 29, 2015 5,000 Acquired
Jan. 25, 2008 AMGN NQSO ( Right to Buy) Common Stock (1,000) $45.45 Jan. 27, 2008 1,000 Disposed
Jan. 23, 2008 AMGN NQSO (Right to Buy) Common Stock (4,323) $45.45 Jan. 27, 2008 4,323 Disposed
Jan. 23, 2008 AMGN NQSO (Right to Buy) Common Stock (16,000) $12.28 Jan. 27, 2008 16,000 Disposed
April 26, 2007 AMGN NQSO (Right to Buy) Common Stock (5,000) $62.55 April 26, 2014 5,000 Acquired
Jan. 25, 2007 AMGN NQSO (Right to Buy) Common Stock (11,600) $13.73 Jan. 27, 2007 11,600 Disposed
March 15, 2006 AMGN NQSO (Right to Buy) Common Stock (5,000) $74.89 March 15, 2013 5,000 Acquired
Jan. 25, 2006 AMGN NQSO (Right to Buy) Common Stock (9,600) $14.72 Jan. 29, 2006 9,600 Disposed
March 15, 2005 AMGN NQSO (Right to Buy) Common Stock (5,000) $58.61 March 15, 2015 5,000 Acquired
Jan. 19, 2005 AMGN NQSO (Right to Buy) Common Stock (18,400) $7.67 Jan. 27, 2005 18,400 Disposed
March 15, 2004 AMGN NQSO (Right to Buy) Common Stock (5,000) $59.48 March 15, 2011 5,000 Acquired
Jan. 21, 2004 AMGN NQSO (Right to Buy) Common Stock (22,400) — Jan. 27, 2004 22,400 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 13 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
Feb. 4, 2021 ELTX Common Stock 18,669 Indirect
Feb. 4, 2021 ELTX Stock Option (Right to Buy)→ Common Stock — Direct
Feb. 4, 2021 ELTX Convertible Promissory Note→ Common Stock — Indirect
Feb. 4, 2021 ELTX Convertible Promissory Note→ Common Stock — Indirect
Feb. 4, 2021 ELTX Convertible Promissory Note→ Common Stock — Indirect
Sept. 25, 2020 AMST Common Stock 41,666 Indirect
Sept. 25, 2020 AMST Stock Option (Right to Buy)→ Common Stock (36,458) 36,458 Indirect
Sept. 25, 2020 AMST Stock Option (Right to Buy)→ Common Stock (30,000) 30,000 Indirect
Sept. 25, 2020 AMST Stock Option (Right to Buy)→ Common Stock (150,000) 150,000 Indirect
July 8, 2015 GALT Common Stock 29,009 Direct
July 8, 2015 GALT Series A 12% Convertible Preferred Stock→ Common Stock (50,000) 50,000 Direct
Sept. 24, 2014 GALT Common Stock 25,009 Direct
Sept. 24, 2014 GALT Series A 12% Convertible Preferred Stock→ Common Stock (50,000) 50,000 Direct