🕵️ Clene Inc. ($CLNN)
SEC insider & ownership activity, last 12 months · CIK 1822791 · every row links its SEC filing
Over the last 12 months insiders sold $5.8M against $217K of open-market buying. Ugwumba Chidozie sold $5.8M (Dec–May). Alison Mosca trimmed 19.7% → 13.0%; Ugwumba Chidozie trimmed 14.8% → 9.7%. No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $217K (1 lots) · 2 sellers, $5.8M (63 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Ugwumba Chidozie | 0 | – | 62 | $5.8M | May 12, 2026 |
| David J. Matlin | 1 | $217K | 0 | – | Jan 13, 2026 |
| General Resonance LLC | 0 | – | 1 | $18K | Aug 21, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Alison Mosca | 13.0% | 13G | May 14, 2026 | filing ↗ | |
| VIVO Opportunity Fund Holdings, L.P. | 10.0% | 13G | May 12, 2026 | filing ↗ | |
| VIVO Opportunity, LLC | 10.0% | 13G | May 12, 2026 | filing ↗ | |
| VIVO Opportunity Cayman Fund, L.P. | 10.0% | 13G | May 12, 2026 | filing ↗ | |
| VIVO Opportunity Cayman, LLC | 10.0% | 13G | May 12, 2026 | filing ↗ | |
| Ugwumba Chidozie | 9.7% | 13G | May 15, 2026 | filing ↗ | |
| David Lisonbee | 6.5% | 13G | Feb 14, 2025 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Symbiosis II LLC | $1.3M | May 11, 2026 | filing ↗ |
| Symbiosis II LLC | $270K | May 4, 2026 | filing ↗ |
| Symbiosis II LLC | $336K | Apr 28, 2026 | filing ↗ |
| Symbiosis II LLC | $670K | Apr 15, 2026 | filing ↗ |
| Symbiosis II LLC | $149K | Mar 24, 2026 | filing ↗ |
| Symbiosis II LLC | $477K | Mar 24, 2026 | filing ↗ |
| Symbiosis II LLC | $266K | Jan 29, 2026 | filing ↗ |
| Symbiosis II LLC | $3.8M | Dec 3, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Material agreement (1.01) | May 18, 2026 | filing ↗ |
| Officer/director changes (5.02) | May 18, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 18, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 18, 2026 | filing ↗ |
| Material agreement (1.01) | May 11, 2026 | filing ↗ |
| Earnings (2.02) | May 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 11, 2026 | filing ↗ |
| Material agreement (1.01) | May 5, 2026 | filing ↗ |
| Other events (8.01) | May 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 5, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 4, 2026 | filing ↗ |
| Other events (8.01) | May 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 4, 2026 | filing ↗ |
| Material agreement (1.01) | Mar 13, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 13, 2026 | filing ↗ |
| Earnings (2.02) | Mar 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 12, 2026 | filing ↗ |
| Other events (8.01) | Feb 24, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 24, 2026 | filing ↗ |
| Other events (8.01) | Jan 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 12, 2026 | filing ↗ |
| Material agreement (1.01) | Jan 8, 2026 | filing ↗ |
| Other events (8.01) | Jan 8, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 8, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Dec 3, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 3, 2025 | filing ↗ |
| Other events (8.01) | Dec 3, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 3, 2025 | filing ↗ |
| Earnings (2.02) | Nov 13, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 13, 2025 | filing ↗ |