CTNM's three largest insider shareholders as of June 09, 2026 are Venture Capital Vi, L.P. Versant (TenPercentOwner, 148.31K shares), Daniel S. Lorrain (Chief Scientific Officer, 147.71K shares), Carmine N. Stengone (Ceo And President, 14.95K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Venture Capital Vi, L.P. Versant | - | 0 | 148,312 | 11 Apr, 2024 |
| Carmine N. Stengone | Ceo And President | 14,954 | 0 | 26 Feb, 2026 |
| Daniel S. Lorrain | Chief Scientific Officer | 147,712 | 0 | 06 Apr, 2026 |
| Stephen L. Huhn | Cmo Sr Vp, Clinical Dev. | 12,800 | 0 | 14 Aug, 2024 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 06 Apr, 2026 | Daniel S. Lorrain | Class A Common Stock | D | 4,170 | $13.43 | 147,712 | D | S |
| 06 Apr, 2026 | Daniel S. Lorrain | Class A Common Stock | D | 4,170 | $13.43 | 147,712 | D | S |
| 02 Mar, 2026 | Daniel S. Lorrain | Class A Common Stock | D | 4,170 | $15.01 | 151,882 | D | S |
| 02 Mar, 2026 | Tim Watkins | Class A Common Stock | A | 3,611 | $4.50 | 3,611 | D | M |
| 02 Mar, 2026 | Tim Watkins | Class A Common Stock | A | 3,611 | $4.50 | 3,611 | D | M |
| 02 Mar, 2026 | Tim Watkins | Class A Common Stock | A | 3,611 | $4.50 | 3,611 | D | M |
| 02 Mar, 2026 | Daniel S. Lorrain | Class A Common Stock | D | 4,170 | $15.01 | 151,882 | D | S |
| 02 Mar, 2026 | Daniel S. Lorrain | Class A Common Stock | D | 4,170 | $15.01 | 151,882 | D | S |
| 02 Mar, 2026 | Tim Watkins | Class A Common Stock | D | 3,611 | $15.02 | 0 | D | S |
| 02 Mar, 2026 | Tim Watkins | Class A Common Stock | D | 3,611 | $15.02 | 0 | D | S |
| 02 Mar, 2026 | Tim Watkins | Class A Common Stock | D | 3,611 | $15.02 | 0 | D | S |
| 02 Mar, 2026 | Tim Watkins | Stock Option (right to buy) | D | 3,611 | $0.00 | 249,167 | D | M |
| 02 Mar, 2026 | Tim Watkins | Stock Option (right to buy) | D | 3,611 | $0.00 | 249,167 | D | M |
| 02 Mar, 2026 | Tim Watkins | Stock Option (right to buy) | D | 3,611 | $0.00 | 249,167 | D | M |
| 24 Feb, 2026 | Daniel S. Lorrain | Class A Common Stock | A | 4,300 | $1.01 | 160,352 | D | M |
| 24 Feb, 2026 | Carmine N. Stengone | Class A Common Stock | A | 4,400 | $1.26 | 19,354 | D | M |
| 24 Feb, 2026 | Carmine N. Stengone | Class A Common Stock | A | 4,400 | $1.26 | 19,354 | D | M |
| 24 Feb, 2026 | Carmine N. Stengone | Class A Common Stock | A | 4,400 | $1.26 | 19,354 | D | M |
| 24 Feb, 2026 | Daniel S. Lorrain | Class A Common Stock | A | 4,300 | $1.01 | 160,352 | D | M |
| 24 Feb, 2026 | Daniel S. Lorrain | Class A Common Stock | A | 4,300 | $1.01 | 160,352 | D | M |