Stephen P Squinto
CIK 1231954 · View on SEC EDGAR ↗
Insider
First SEC filing: March 25, 2021 · Latest: March 25, 2021
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 5 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.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 18, 2022 | CMPX | A | 30,000 | — | — | 30,000 Direct | — | Acquired | (price as of 2026-08-19) |
| April 19, 2021 | CMMB | A | 23,768 | — | — | 23,768 Direct | — | Acquired | (price as of 2026-08-19) |
| Aug. 6, 2020 | CMPX | A | 30,000 | — | — | 30,000 Direct | — | Acquired | (price as of 2026-08-19) |
| Feb. 27, 2020 | PASG | A | 185,776 | — | — | 185,776 Direct | — | Acquired | (price as of 2026-08-19) |
| Feb. 27, 2020 | PASG | A | 33,836 | — | — | 33,836 Direct | — | Acquired | (price as of 2026-08-19) |
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 |
|---|---|---|---|---|---|---|---|
| Feb. 18, 2022 | CMPX | Stock Option (Right to Buy) | Common Stock (30,000) | $2.40 | Feb. 17, 2032 | 30,000 | Acquired |
| April 19, 2021 | CMMB | Option to Purchase American Depositary Shares | American Depositary Shares [F2] (23,768) | $27.26 | April 19, 2031 | 23,768 | Acquired |
| Aug. 6, 2020 | CMPX | Stock Option (Right to Buy) | Common Stock (30,000) | $5.00 | Aug. 6, 2030 | 30,000 | Acquired |
| Feb. 27, 2020 | PASG | Employee Stock Option (Right to Buy) | Common Stock (185,776) | $18.00 | Feb. 27, 2030 | 185,776 | Acquired |
| Feb. 27, 2020 | PASG | Director Stock Option (Right to Buy) | Common Stock (33,836) | $18.00 | Feb. 27, 2030 | 33,836 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 9 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 25, 2021 | CMMB | American Depositary Shares [F1] | 47,938 | Direct |
| March 25, 2021 | CMMB | Option to purchase American Depositary Shares→ American Depositary Shares [F1] (424) | 424 | Direct |
| March 25, 2021 | CMMB | Option to purchase American Depositary Shares→ American Depositary Shares [F1] (2,109) | 2,109 | Direct |
| March 25, 2021 | CMMB | Option to purchase American Depositary Shares→ American Depositary Shares [F1] (21,095) | 21,095 | Direct |
| March 25, 2021 | CMMB | Option to purchase American Depositary Shares→ American Depositary Shares [F1] (32,928) | 32,928 | Direct |
| March 25, 2021 | CMMB | Option to purchase American Depositary Shares→ American Depositary Shares [F1] (40,362) | 40,362 | Direct |
| June 23, 2020 | CMPX | Common Stock | 34,540 | Indirect |
| Feb. 27, 2020 | PASG | Common Stock | 668,575 | Direct |
| Feb. 27, 2020 | PASG | Employee Stock Option (Right to Buy)→ Common Stock (225,305) | 225,305 | Direct |