Insider at

04

Insider transactions

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0 buys (P) 0 sells (S) Net: $0 + 10 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
March 26, 2026 CMPS A 55,000 · · 55,000 Direct · Acquired (price as of 2026-10-02)
March 26, 2026 CMPS A 115,600 · · 115,600 Direct · Acquired (price as of 2026-10-02)
March 11, 2025 CMPS A 32,000 · · 32,000 Direct · Acquired (price as of 2026-10-02)
March 11, 2025 CMPS A 63,000 · · 63,000 Direct · Acquired (price as of 2026-10-02)
Feb. 1, 2024 CMPS A 63,000 · · 63,000 Direct · Acquired (price as of 2026-10-02)
Feb. 1, 2024 CMPS A 32,000 · · 32,000 Direct · Acquired (price as of 2026-10-02)
Feb. 2, 2023 CMPS A 63,900 · · 63,900 Direct · Acquired (price as of 2026-10-02)
Feb. 2, 2023 CMPS A 10,800 · · 21,600 Direct +100.00% Acquired (price as of 2026-10-02)
Feb. 1, 2022 CMPS A 8,000 · · 8,000 Direct · Acquired (price as of 2026-10-02)
Feb. 1, 2022 CMPS A 45,000 · · 145,000 Direct +45.00% Acquired (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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
March 26, 2026 CMPS Share Option (Right to Buy) Ordinary Shares [F2] (55,000) $0.01 March 25, 2036 55,000 Acquired
March 26, 2026 CMPS Share Option (Right to Buy) Ordinary Shares [F2] (115,600) $5.64 March 25, 2036 115,600 Acquired
March 11, 2025 CMPS Share Option (Right to Buy) Ordinary Shares [F2] (32,000) $0.01 March 10, 2035 32,000 Acquired
March 11, 2025 CMPS Share Option (Right to Buy) Ordinary Shares [F2] (63,000) $3.60 March 10, 2035 63,000 Acquired
Feb. 1, 2024 CMPS Share Option (Right to Buy) Ordinary Shares [F2] (63,000) $11.34 Jan. 31, 2034 63,000 Acquired
Feb. 1, 2024 CMPS Share Option (Right to Buy) Ordinary Shares [F2] (32,000) $0.01 Jan. 31, 2034 32,000 Acquired
Feb. 2, 2023 CMPS Share Option (Right to Buy) Ordinary Shares [F2] (63,900) $10.85 Feb. 1, 2033 63,900 Acquired
Feb. 2, 2023 CMPS Share Option (Right to Buy) Ordinary Shares [F2] (10,800) $0.01 Feb. 1, 2033 10,800 Acquired
Feb. 1, 2022 CMPS Share Option (Right to Buy) Ordinary Shares [F1] (45,000) $15.75 Feb. 1, 2032 45,000 Acquired

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

Initial ownership (Form 3) 1 holding

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

DateTickerSecuritySharesOwnership
Jan. 3, 2022 CMPS Share Option (Right to Buy)→ Ordinary Shares [F2] (100,000) 100,000 Direct