According to recent filings covering the 90 days ending February 19, 2026, the three most significant insider holders at Clene are TenPercentOwner Resonance Llc General (704.59K shares), TenPercentOwner Chidozie Ugwumba (550.00K shares), Director David J Matlin (485.32K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| John Henry Stevens | 40,010 | 27 Jun, 2023 | |
| Resonance Llc General | 704,591 | 21 Aug, 2025 | |
| David J Matlin | 485,324 | 13 Jan, 2026 | |
| Reed N Wilcox | 28,757 | 14 Nov, 2022 | |
| Chidozie Ugwumba | 550,000 | 05 Feb, 2026 | |
| Alison Mosca | 282,474 | 16 Jun, 2022 | |
| Jonathon Gay | 8,719 | 17 May, 2022 | |
| Robert Dee Etherington | Chief Executive Officer | 41,399 | 01 Oct, 2024 |
| Mark Mortenson | Chief Science Officer | 28,949 | 01 Oct, 2024 |
| Shalom Jacobovitz | 1,042 | 15 Jul, 2021 | |
| Robert Glanzman | Chief Medical Officer | 528 | 18 May, 2022 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 03 Feb, 2026 | Chidozie Ugwumba | Common Stock | D | 5,559 | $4.10 | 550,000 | I | S |
| 02 Feb, 2026 | Chidozie Ugwumba | Common Stock | D | 3,800 | $4.04 | 555,559 | I | S |
| 30 Jan, 2026 | Chidozie Ugwumba | Common Stock | D | 5,686 | $4.13 | 559,359 | I | S |
| 29 Jan, 2026 | Chidozie Ugwumba | Common Stock | D | 15,284 | $4.32 | 565,045 | I | S |
| 28 Jan, 2026 | Chidozie Ugwumba | Common Stock | D | 8,717 | $4.91 | 580,329 | I | S |
| 27 Jan, 2026 | Chidozie Ugwumba | Common Stock | D | 4,139 | $5.08 | 589,046 | I | S |
| 26 Jan, 2026 | Chidozie Ugwumba | Common Stock | D | 6,418 | $5.02 | 593,185 | I | S |
| 23 Jan, 2026 | Chidozie Ugwumba | Common Stock | D | 5,556 | $5.27 | 599,603 | I | S |
| 22 Jan, 2026 | Chidozie Ugwumba | Common Stock | D | 12,665 | $5.32 | 605,159 | I | S |
| 21 Jan, 2026 | Chidozie Ugwumba | Common Stock | D | 12,119 | $5.05 | 617,824 | I | S |
| 20 Jan, 2026 | Chidozie Ugwumba | Common Stock | D | 12,432 | $4.80 | 629,943 | I | S |
| 16 Jan, 2026 | Chidozie Ugwumba | Common Stock | D | 7,923 | $5.13 | 642,375 | I | S |
| 15 Jan, 2026 | Chidozie Ugwumba | Common Stock | D | 12,563 | $5.10 | 650,298 | I | S |
| 14 Jan, 2026 | Chidozie Ugwumba | Common Stock | D | 19,621 | $5.12 | 662,861 | I | S |
| 13 Jan, 2026 | David J Matlin | common stock | A | 33,333 | $6.50 | 477,824 | D | P |
| 13 Jan, 2026 | Alison Mosca | Common Stock | A | 16,667 | $6.00 | 280,500 | I | A |
| 13 Jan, 2026 | Chidozie Ugwumba | Common Stock | D | 26,105 | $4.89 | 682,482 | I | S |
| 12 Jan, 2026 | Chidozie Ugwumba | Common Stock | D | 32,705 | $5.50 | 708,587 | I | S |
| 09 Jan, 2026 | Alison Mosca | Common Stock | D | 57,219 | $0.00 | 263,833 | I | J |
| 09 Jan, 2026 | Chidozie Ugwumba | Common Stock | D | 9,075 | $6.27 | 741,292 | I | S |