Insider at

04

Insider transactions

05
0 buys (P) 2 sells (S) Net: $-363,825 + 46 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

46 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Aug. 20, 2026 OMER S 15,000 $18.45 $276,750 35,067 Direct -29.96% Disposed 0.9% (price as of 2026-10-02)
May 22, 2026 OMER S 10b5-1 7,500 $11.61 $87,075 35,067 Direct -17.62% Disposed 60.3% (price as of 2026-10-02)
May 22, 2023 OMER S 5,000 $6.53 $32,650 35,067 Direct -12.48% Disposed 185.0% (price as of 2026-10-02)
Jan. 13, 2021 OMER S 10b5-1 5,000 $16.97 $84,850 35,067 Direct -12.48% Disposed 9.7% (price as of 2026-10-02)
May 13, 2020 OMER S 10b5-1 5,000 $14.40 $72,000 35,067 Direct -12.48% Disposed 29.2% (price as of 2026-10-02)
Dec. 3, 2019 OMER S 10b5-1 10,000 $14.41 $144,100 35,067 Direct -22.19% Disposed 29.1% (price as of 2026-10-02)
Oct. 14, 2019 OMER S 10b5-1 5,000 $15.12 $75,600 35,067 Direct -12.48% Disposed 23.1% (price as of 2026-10-02)
April 12, 2017 OMER S 10b5-1 3,000 $16.49 $49,470 40,067 Direct -6.97% Disposed 12.9% (price as of 2026-10-02)
Dec. 14, 2016 OMER S 10b5-1 3,000 $10.21 $30,630 43,067 Direct -6.51% Disposed 82.3% (price as of 2026-10-02)
Aug. 12, 2016 OMER S 10b5-1 3,000 $11.52 $34,560 46,067 Direct -6.11% Disposed 61.5% (price as of 2026-10-02)
March 24, 2016 OMER S 10b5-1 400 $15.22 $6,088 49,067 Direct -0.81% Disposed 22.3% (price as of 2026-10-02)
March 24, 2016 OMER S 10b5-1 1,600 $14.71 $23,536 49,467 Direct -3.13% Disposed 26.5% (price as of 2026-10-02)
Nov. 18, 2015 OMER S 10b5-1 2,000 $13.73 $27,460 51,067 Direct -3.77% Disposed 35.5% (price as of 2026-10-02)
July 15, 2015 OMER S 10b5-1 2,000 $18.78 $37,560 53,067 Direct -3.63% Disposed -0.9% (price as of 2026-10-02)
March 24, 2015 OMER S 10b5-1 210 $25.07 $5,265 55,067 Direct -0.38% Disposed -25.8% (price as of 2026-10-02)
March 24, 2015 OMER S 10b5-1 1,790 $24.43 $43,730 55,277 Direct -3.14% Disposed -23.8% (price as of 2026-10-02)
Sept. 2, 2014 OMER S 10b5-1 5,000 $15.07 $75,350 57,067 Direct -8.06% Disposed 23.5% (price as of 2026-10-02)
June 2, 2014 OMER S 10b5-1 100 $12.34 $1,234 62,067 Direct -0.16% Disposed 50.8% (price as of 2026-10-02)
June 2, 2014 OMER S 10b5-1 4,900 $11.79 $57,771 62,167 Direct -7.31% Disposed 57.8% (price as of 2026-10-02)
March 3, 2014 OMER S 10b5-1 5,000 $12.76 $63,800 67,067 Direct -6.94% Disposed 45.8% (price as of 2026-10-02)
Dec. 11, 2013 OMER S 10b5-1 5,000 $7.08 $35,400 72,067 Direct -6.49% Disposed 162.9% (price as of 2026-10-02)
July 3, 2013 OMER S 10b5-1 5,000 $5.21 $26,050 77,067 Direct -6.09% Disposed 257.2% (price as of 2026-10-02)
April 10, 2013 OMER S 10b5-1 5,000 $3.98 $19,900 82,067 Direct -5.74% Disposed 367.6% (price as of 2026-10-02)
Jan. 8, 2013 OMER S 10b5-1 5,000 $6.19 $30,950 87,067 Direct -5.43% Disposed 200.6% (price as of 2026-10-02)
Sept. 26, 2012 OMER S 10b5-1 5,000 $9.60 $48,000 92,067 Direct -5.15% Disposed 93.9% (price as of 2026-10-02)

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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Aug. 20, 2026 OMER Stock Option (Right to Buy) Common Stock (7,500) $2.00 June 17, 2032 7,500 Disposed
Aug. 20, 2026 OMER Stock Option (Right to Buy) Common Stock (7,500) $3.93 Sept. 21, 2032 7,500 Disposed
June 18, 2026 OMER Stock Option (Right to Buy) [F1] Common Stock (15,000) $10.28 June 17, 2036 15,000 Acquired
May 22, 2026 OMER Stock Option (Right to Buy) Common Stock (7,500) $10.84 June 9, 2026 7,500 Disposed
June 27, 2025 OMER Stock Option (Right to Buy) [F1] Common Stock (15,000) $3.20 June 27, 2035 15,000 Acquired
June 6, 2024 OMER Stock Option (Right to Buy) [F1] Common Stock (15,000) $3.91 June 6, 2034 15,000 Acquired
June 23, 2023 OMER Stock Option (Right to Buy) [F1] Common Stock (15,000) $5.49 June 23, 2033 15,000 Acquired
May 22, 2023 OMER Stock Option (Right to Buy) Common Stock (5,000) $5.30 May 23, 2023 5,000 Disposed
Sept. 21, 2022 OMER Stock Option (Right to Buy) Common Stock (7,500) $3.93 Sept. 21, 2032 7,500 Acquired
June 17, 2022 OMER Stock Option (Right to Buy) [F1] Common Stock (7,500) $2.00 June 17, 2032 7,500 Acquired
June 11, 2021 OMER Stock Option (Right to Buy) [F1] Common Stock (7,500) $15.81 June 10, 2031 7,500 Acquired
Jan. 13, 2021 OMER Stock Option (Right to Buy) Common Stock (5,000) $4.53 May 26, 2021 5,000 Disposed
June 5, 2020 OMER Stock Option (Right to Buy) Common Stock (7,500) $14.66 June 4, 2030 7,500 Acquired
May 13, 2020 OMER Stock Option (Right to Buy) Common Stock (5,000) $5.92 May 27, 2020 5,000 Disposed
Dec. 3, 2019 OMER Stock Option (Right to Buy) Common Stock (10,000) $7.56 Dec. 14, 2019 10,000 Disposed
June 7, 2019 OMER Stock Option (Right to Buy) Common Stock (7,500) $16.87 June 6, 2029 7,500 Acquired
June 15, 2018 OMER Stock Option (Right to Buy) Common Stock (7,500) $19.91 June 14, 2028 7,500 Acquired
June 16, 2017 OMER Stock Option (right to buy) Common Stock (10,000) $23.75 June 15, 2027 10,000 Acquired
June 9, 2016 OMER Stock Option (right to buy) Common Stock (7,500) $10.84 June 8, 2026 7,500 Acquired
May 22, 2015 OMER Stock Option (right to buy) Common Stock (5,000) $21.20 May 21, 2025 5,000 Acquired
May 23, 2014 OMER Stock Option (right to buy) Common Stock (5,000) $11.67 May 22, 2024 5,000 Acquired
May 24, 2013 OMER Stock Option (Right to Buy) Common Stock (5,000) $5.30 May 23, 2023 5,000 Acquired
June 1, 2012 OMER Stock Option (Right to Buy) Common Stock (5,000) $10.19 May 31, 2022 5,000 Acquired
May 27, 2011 OMER Stock Option (Right to Buy) Common Stock (5,000) $4.53 May 26, 2021 5,000 Acquired
Oct. 1, 2010 OMER Stock Option (Right to Buy) Common Stock (15,306) $0.98 Dec. 11, 2016 15,306 Disposed
Sept. 22, 2010 OMER Stock Option (Right to Buy) Common Stock (7,653) $0.52 Sept. 25, 2010 7,653 Disposed
May 28, 2010 OMER Stock Option (Right to Buy) Common Stock (5,000) $5.92 May 27, 2020 5,000 Acquired
Dec. 15, 2009 OMER Stock Option (Right to Buy) Common Stock (10,000) $7.56 Dec. 14, 2019 10,000 Acquired
Oct. 13, 2009 OMER Series E Preferred Stock Common Stock (10,205) · · 10,205 Disposed
Oct. 13, 2009 OMER Series C Preferred Stock Common Stock (19,253) · · 19,253 Disposed
Oct. 13, 2009 OMER Series B Preferred Stock Common Stock (14,578) · · 14,578 Disposed
Oct. 13, 2009 OMER Series A Preferred Stock Common Stock (12,756) · · 12,756 Disposed

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

Initial ownership (Form 3) 7 holdings

07

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

DateTickerSecuritySharesOwnership
Oct. 7, 2009 OMER Common Stock 19,316 Direct
Oct. 7, 2009 OMER Series A Preferred Stock→ Common Stock (12,756) 12,756 Direct
Oct. 7, 2009 OMER Series B Preferred Stock→ Common Stock (14,578) 14,578 Direct
Oct. 7, 2009 OMER Series C Preferred Stock→ Common Stock (19,253) 19,253 Direct
Oct. 7, 2009 OMER Series E Preferred Stock→ Common Stock (10,205) 10,205 Direct
Oct. 7, 2009 OMER Stock Option (right to buy)→ Common Stock (7,653) 7,653 Direct
Oct. 7, 2009 OMER Stock Option (right to buy)→ Common Stock (15,306) 15,306 Direct