Neil Harris Cohen
CIK 1840006 · View on SEC EDGAR ↗
Insider
First SEC filing: April 10, 2026 · Latest: April 10, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 16 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
16 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 16, 2022 | CMMB | S | 2,409 | $2.00 | $4,818 | 10,000 Direct | -19.41% | Disposed | -73.8% (price as of 2026-08-21) |
| May 18, 2022 | CMMB | P | 2,000 | $3.19 | $6,380 | 12,409 Direct | +19.21% | Acquired | -83.6% (price as of 2026-08-21) |
| March 14, 2022 | CMMB | P | 2,000 | $4.56 | $9,120 | 10,409 Direct | +23.78% | Acquired | -88.5% (price as of 2026-08-21) |
| March 14, 2022 | CMMB | P | 2,000 | $4.30 | $8,600 | 8,409 Direct | +31.21% | Acquired | -87.8% (price as of 2026-08-21) |
| March 14, 2022 | CMMB | P | 2,000 | $4.20 | $8,400 | 6,409 Direct | +45.36% | Acquired | -87.5% (price as of 2026-08-21) |
| Dec. 6, 2021 | CMMB | P | 2,000 | $7.43 | $14,860 | 4,409 Direct | +83.02% | Acquired | -92.9% (price as of 2026-08-21) |
| March 16, 2021 | CMMB | P | 688 | — | — | 688 Direct | — | Acquired | (price as of 2026-08-21) |
| March 16, 2021 | CMMB | P | 2,409 | $41.51 | $99,998 | 2,409 Direct | — | Acquired | -99.9% (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| March 16, 2023 | CMMB | Option to Purchase American Depositary Shares | American Depositary Shares [F1] (6,875) | $1.62 | March 21, 2033 | 6,875 | Acquired |
| March 7, 2022 | CMMB | Option to Purchase American Depositary Shares [F2] | American Depositary Shares [F1] (6,820) | $3.53 | March 7, 2032 | 6,820 | Acquired |
| March 7, 2022 | CMMB | Option to Purchase American Depositary Shares [F4] | American Depositary Shares [F1] (6,820) | $3.53 | March 7, 2032 | 6,820 | Acquired |
| March 7, 2022 | CMMB | Option to Purchase American Depositary Shares [F4] | American Depositary Shares [F1] (6,820) | $3.53 | March 7, 2032 | 6,820 | Acquired |
| March 7, 2022 | CMMB | Option to Purchase American Depositary Shares [F3] | American Depositary Shares [F1] (6,820) | $3.53 | March 7, 2032 | 6,820 | Acquired |
| March 7, 2022 | CMMB | Option to Purchase American Depositary Shares | American Depositary Shares [F1] (6,820) | $3.53 | March 7, 2032 | 6,820 | Acquired |
| April 19, 2021 | CMMB | Option to Purchase American Depositary Shares [F2] | American Depositary Shares [F1] (11,884) | $27.26 | April 19, 2031 | 11,884 | Acquired |
| April 19, 2021 | CMMB | Option to Purchase American Depositary Shares [F4] | American Depositary Shares [F1] (11,884) | $27.26 | April 19, 2031 | 11,884 | Acquired |
| April 19, 2021 | CMMB | Option to Purchase American Depositary Shares [F4] | American Depositary Shares [F1] (11,884) | $27.26 | April 19, 2031 | 11,884 | Acquired |
| April 19, 2021 | CMMB | Option to Purchase American Depositary Shares [F3] | American Depositary Shares [F1] (11,884) | $27.26 | April 19, 2031 | 11,884 | Acquired |
| April 19, 2021 | CMMB | Option to Purchase American Depositary Shares | American Depositary Shares [F1] (11,884) | $27.26 | April 19, 2031 | 11,884 | Acquired |
| March 16, 2021 | CMMB | Option to Purchase American Depositary Shares [F2] | American Depositary Shares [F1] (688) | $13.17 | July 15, 2030 | 688 | Acquired |
| March 16, 2021 | CMMB | Option to Purchase American Depositary Shares [F4] | American Depositary Shares [F1] (688) | $13.17 | July 15, 2030 | 688 | Acquired |
| March 16, 2021 | CMMB | Option to Purchase American Depositary Shares [F4] | American Depositary Shares [F1] (688) | $13.17 | July 15, 2030 | 688 | Acquired |
| March 16, 2021 | CMMB | Option to Purchase American Depositary Shares [F3] | American Depositary Shares [F1] (688) | $13.17 | July 15, 2030 | 688 | Acquired |
| March 16, 2021 | CMMB | Option to Purchase American Depositary Shares | American Depositary Shares (688) | $13.17 | March 15, 2030 | 688 | Acquired |
| July 16, 2020 | CMMB | Stock Option (right to buy) | Ordinary Shares (55,000) | $0.17 | July 15, 2030 | 55,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 10 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| April 10, 2026 | CMMB | American Depositary Shares | 35,304 | Direct |
| April 10, 2026 | CMMB | Stock option (right to buy American Depositary Shares)→ American Depositary Shares (172) | 172 | Direct |
| April 10, 2026 | CMMB | Stock option (right to buy American Depositary Shares)→ American Depositary Shares (2,971) | 2,971 | Direct |
| April 10, 2026 | CMMB | Stock option (right to buy American Depositary Shares)→ American Depositary Shares (1,705) | 1,705 | Direct |
| April 10, 2026 | CMMB | Stock option (right to buy American Depositary Shares)→ American Depositary Shares (1,714) | 1,714 | Direct |
| April 10, 2026 | CMMB | Stock option (right to buy American Depositary Shares)→ American Depositary Shares (2,520) | 2,520 | Direct |
| April 10, 2026 | CMMB | Stock option (right to buy American Depositary Shares)→ American Depositary Shares (3,821) | 3,821 | Direct |
| April 10, 2026 | CMMB | Stock option (right to buy American Depositary Shares)→ American Depositary Shares (5,172) | 5,172 | Direct |
| March 11, 2021 | CMMB | Ordinary Shares | 62,110 | Direct |
| March 11, 2021 | CMMB | Warrant→ Ordinary Shares (44,935) | 44,935 | Direct |