Insider at

04

Insider transactions

05
2 buys (P) 0 sells (S) Net: $20,246 + 6 non-open-market transactions below Avg return of open purchases vs now: -30.7% 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

6 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
May 29, 2026 CMMB P 4,878 $2.05 $10,000 134,205 Direct -3.51% Disposed -30.2% (price as of 2026-10-02)
May 29, 2026 CMMB P 4,926 $2.08 $10,246 139,131 Direct -3.42% Disposed -31.3% (price as of 2026-10-02)
Jan. 3, 2023 CMMB S 10b5-1 6,100 $5.03 $30,683 251,147 Indirect -2.37% Disposed -92.9% (price as of 2026-10-02)
Jan. 3, 2023 CMMB S 10b5-1 7,700 $5.03 $38,731 317,075 Direct -2.37% Disposed -92.9% (price as of 2026-10-02)
Nov. 16, 2022 CMMB S 257,248 $2.08 $535,076 257,247 Indirect -50.00% Disposed -82.8% (price as of 2026-10-02)
Nov. 16, 2022 CMMB S 324,775 $2.08 $675,532 324,775 Direct -50.00% Disposed -82.8% (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
March 15, 2018 CMMB Option to Purchase American Depositary Shares [F3] American Depositary Shares [F1] (131,698) $1.49 March 15, 2028 131,698 Acquired
March 15, 2018 CMMB Option to Purchase American Depositary Shares [F3] American Depositary Shares [F1] (131,698) $1.49 March 15, 2028 131,698 Acquired
Oct. 28, 2016 CMMB Option to Purchase American Depositary Shares [F3] American Depositary Shares [F1] (33,725) $0.80 Oct. 27, 2026 33,725 Acquired
Oct. 28, 2016 CMMB Option to Purchase American Depositary Shares [F3] American Depositary Shares [F1] (33,725) $0.80 Oct. 27, 2026 33,725 Acquired

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

Initial ownership (Form 3) 11 holdings

07

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

DateTickerSecuritySharesOwnership
April 10, 2026 CMMB American Depositary Shares 79,268 Direct
April 10, 2026 CMMB American Depositary Shares 50,059 Indirect
April 10, 2026 CMMB American Depositary Shares [F1] 31,712 Direct
April 10, 2026 CMMB American Depositary Shares [F2] 18,750 Direct
April 10, 2026 CMMB Stock option (right to buy American Depositary Shares)→ American Depositary Shares (32,925) 32,925 Direct
April 10, 2026 CMMB Stock option (right to buy American Depositary Shares)→ American Depositary Shares (109,718) 109,718 Direct
April 10, 2026 CMMB Stock option (right to buy American Depositary Shares)→ American Depositary Shares (8,431) 8,431 Indirect
March 25, 2021 CMMB American Depositary Shares [F1] 649,550 Direct
March 25, 2021 CMMB American Depositary Shares [F1] 514,495 Indirect
March 25, 2021 CMMB Option to purchase American Depositary Shares→ American Depositary Shares [F1] (131,698) 131,698 Direct
March 25, 2021 CMMB Option to purchase American Depositary Shares→ American Depositary Shares [F1] (33,725) 33,725 Indirect