Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 31 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

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 18, 2026 OMER A 15,000 · · 15,000 Direct · Acquired (price as of 2026-10-05)
June 27, 2025 OMER A 15,000 · · 15,000 Direct · Acquired (price as of 2026-10-05)
June 6, 2024 OMER A 15,000 · · 15,000 Direct · Acquired (price as of 2026-10-05)
June 23, 2023 OMER A 15,000 · · 15,000 Direct · Acquired (price as of 2026-10-05)
Sept. 21, 2022 OMER A 7,500 · · 7,500 Direct · Acquired (price as of 2026-10-05)
June 17, 2022 OMER A 7,500 · · 7,500 Direct · Acquired (price as of 2026-10-05)
June 11, 2021 OMER A 7,500 · · 7,500 Direct · Acquired (price as of 2026-10-05)
Feb. 12, 2021 OMER M 5,000 $4.53 $22,650 74,390 Direct +7.21% Acquired 317.2% (price as of 2026-10-05)
Feb. 12, 2021 OMER M 5,000 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
June 5, 2020 OMER A 7,500 · · 7,500 Direct · Acquired (price as of 2026-10-05)
March 13, 2020 OMER M 5,000 $5.92 $29,600 69,390 Direct +7.77% Acquired 219.3% (price as of 2026-10-05)
March 13, 2020 OMER M 5,000 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
Dec. 14, 2019 OMER M 10,000 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
Dec. 14, 2019 OMER M 10,000 $7.56 $75,600 64,390 Direct +18.39% Acquired 150.0% (price as of 2026-10-05)
June 7, 2019 OMER A 7,500 · · 7,500 Direct · Acquired (price as of 2026-10-05)
June 15, 2018 OMER A 7,500 · · 7,500 Direct · Acquired (price as of 2026-10-05)
June 16, 2017 OMER A 10,000 · · 10,000 Direct · Acquired (price as of 2026-10-05)
June 9, 2016 OMER A 7,500 · · 7,500 Direct · Acquired (price as of 2026-10-05)
May 22, 2015 OMER A 5,000 · · 5,000 Direct · Acquired (price as of 2026-10-05)
May 23, 2014 OMER A 5,000 · · 5,000 Direct · Acquired (price as of 2026-10-05)
May 24, 2013 OMER A 5,000 · · 5,000 Direct · Acquired (price as of 2026-10-05)
June 1, 2012 OMER A 5,000 · · 5,000 Direct · Acquired (price as of 2026-10-05)
May 27, 2011 OMER A 5,000 · · 5,000 Direct · Acquired (price as of 2026-10-05)
July 1, 2010 OMER M 10,204 $0.52 $5,306 39,084 Direct +35.33% Acquired 3534.6% (price as of 2026-10-05)
July 1, 2010 OMER M 15,306 $0.98 $15,000 54,390 Direct +39.16% Acquired 1828.6% (price as of 2026-10-05)
July 1, 2010 OMER M 10,204 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
July 1, 2010 OMER M 15,306 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
May 28, 2010 OMER A 5,000 · · 5,000 Direct · Acquired (price as of 2026-10-05)
Dec. 15, 2009 OMER A 10,000 · · 10,000 Direct · Acquired (price as of 2026-10-05)
Oct. 13, 2009 OMER C 28,880 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
Oct. 13, 2009 OMER C 28,880 · · 28,880 Direct · Acquired (price as of 2026-10-05)

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
June 18, 2026 OMER Stock Option (Right to Buy) [F1] Common Stock (15,000) $10.28 June 17, 2036 15,000 Acquired
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
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
Feb. 12, 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
March 13, 2020 OMER Stock Option (Right to Buy) Common Stock (5,000) $5.92 May 27, 2020 5,000 Disposed
Dec. 14, 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
July 1, 2010 OMER Common Stock Common Stock (10,204) $0.52 March 20, 2011 10,204 Disposed
July 1, 2010 OMER Common Stock Common Stock (15,306) $0.98 Dec. 12, 2016 15,306 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 C Preferred Stock Common Stock (28,880) · · 28,880 Disposed

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

Initial ownership (Form 3) 3 holdings

07

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

DateTickerSecuritySharesOwnership
Oct. 7, 2009 OMER Series C Preferred Stock→ Common Stock (28,880) 28,880 Direct
Oct. 7, 2009 OMER Stock Option (right to buy)→ Common Stock (10,204) 10,204 Direct
Oct. 7, 2009 OMER Stock Option (right to buy)→ Common Stock (15,306) 15,306 Direct