As of the latest Form 4 filed May 13, 2026.
What Clene Inc. insiders — officers, directors and 10% owners — have bought and sold in their own stock, straight from their SEC Form 4 filings. Values are shares × the reported transaction price where both are disclosed.
Buys plotted up, sells down; bar height is the disclosed dollar value (shares × reported price). Our Form 4 history is only complete from mid-2026, so early months are sparse — the series fills in as more filings land. Open-market purchases and sales only.
Newest filing first — the 66 most recent filings for CLNN.
| Filed | Trade date | Insider | Transaction | Shares | Price | Value | 10b5-1 | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-05-13 | 2026-05-12 | Ugwumba Chidozie 10% owner | SSale | −73.3K | $6.20 | $454K | No | Form 4 ↗ |
| 2026-05-13 | 2026-05-11 | Ugwumba Chidozie, 10% owner | SSale | −22.2K | $6.75 | $150K | No | Form 4 ↗ |
| 2026-05-05 | 2026-05-04 | Ugwumba Chidozie 10% owner | SSale | −72.9K | $6.80 | $496K | No | Form 4 ↗ |
| 2026-05-05 | 2026-05-01 | Ugwumba Chidozie, 10% owner | SSale | −5.79K | $6.01 | $34.8K | No | Form 4 ↗ |
| 2026-04-30 | 2026-04-30 | Ugwumba Chidozie 10% owner | SSale | −5.74K | $6.08 | $34.9K | No | Form 4 ↗ |
| 2026-04-30 | 2026-04-29 | Ugwumba Chidozie, 10% owner | SSale | −12.2K | $5.63 | $68.5K | No | Form 4 ↗ |
| 2026-04-30 | 2026-04-28 | Ugwumba Chidozie, 10% owner | SSale | −1.59K | $5.90 | $9.39K | No | Form 4 ↗ |
| 2026-04-22 | 2026-04-21 | Ugwumba Chidozie 10% owner | SSale | −61.3K | $6.14 | $377K | No | Form 4 ↗ |
| 2026-04-22 | 2026-04-20 | Ugwumba Chidozie, 10% owner | SSale | −4.32K | $6.12 | $26.4K | No | Form 4 ↗ |
| 2026-04-17 | 2026-04-17 | Ugwumba Chidozie 10% owner | SSale | −25.0K | $6.43 | $161K | No | Form 4 ↗ |
| 2026-04-17 | 2026-04-16 | Ugwumba Chidozie, 10% owner | SSale | −7.75K | $6.40 | $49.6K | No | Form 4 ↗ |
| 2026-04-17 | 2026-04-15 | Ugwumba Chidozie, 10% owner | SSale | −6.37K | $6.48 | $41.3K | No | Form 4 ↗ |
| 2026-04-06 | 2026-04-02 | Ugwumba Chidozie 10% owner | SSale | −24.9K | $4.81 | $120K | No | Form 4 ↗ |
| 2026-04-01 | 2026-04-01 | Ugwumba Chidozie 10% owner | SSale | −4.28K | $4.97 | $21.3K | No | Form 4 ↗ |
| 2026-03-31 | 2026-03-31 | Ugwumba Chidozie 10% owner | SSale | −68.0K | $4.88 | $332K | No | Form 4 ↗ |
| 2026-03-31 | 2026-03-30 | Ugwumba Chidozie, 10% owner | SSale | −15.5K | $5.10 | $79.2K | No | Form 4 ↗ |
| 2026-03-31 | 2026-03-27 | Ugwumba Chidozie, 10% owner | SSale | −17.5K | $4.75 | $83.0K | No | Form 4 ↗ |
| 2026-03-26 | 2026-03-26 | Ugwumba Chidozie 10% owner | SSale | −5.32K | $5.40 | $28.7K | No | Form 4 ↗ |
| 2026-03-26 | 2026-03-25 | Ugwumba Chidozie, 10% owner | SSale | −7.10K | $5.50 | $39.0K | No | Form 4 ↗ |
| 2026-03-26 | 2026-03-24 | Ugwumba Chidozie, 10% owner | SSale | −5.49K | $5.78 | $31.7K | No | Form 4 ↗ |
| 2026-02-05 | 2026-02-03 | Ugwumba Chidozie 10% owner | SSale | −5.56K | $4.10 | $22.8K | No | Form 4 ↗ |
| 2026-02-02 | 2026-02-02 | Ugwumba Chidozie 10% owner | SSale | −3.80K | $4.04 | $15.4K | No | Form 4 ↗ |
| 2026-02-02 | 2026-01-30 | Ugwumba Chidozie, 10% owner | SSale | −5.69K | $4.13 | $23.5K | No | Form 4 ↗ |
| 2026-02-02 | 2026-01-29 | Ugwumba Chidozie, 10% owner | SSale | −15.3K | $4.32 | $66.0K | No | Form 4 ↗ |
| 2026-01-28 | 2026-01-28 | Ugwumba Chidozie 10% owner | SSale | −8.72K | $4.91 | $42.8K | No | Form 4 ↗ |
| 2026-01-28 | 2026-01-27 | Ugwumba Chidozie, 10% owner | SSale | −4.14K | $5.08 | $21.0K | No | Form 4 ↗ |
| 2026-01-28 | 2026-01-26 | Ugwumba Chidozie, 10% owner | SSale | −6.42K | $5.02 | $32.2K | No | Form 4 ↗ |
| 2026-01-23 | 2026-01-23 | Ugwumba Chidozie 10% owner | SSale | −5.56K | $5.27 | $29.3K | No | Form 4 ↗ |
| 2026-01-23 | 2026-01-22 | Ugwumba Chidozie, 10% owner | SSale | −12.7K | $5.32 | $67.4K | No | Form 4 ↗ |
| 2026-01-21 | 2026-01-21 | Ugwumba Chidozie 10% owner | SSale | −12.1K | $5.05 | $61.2K | No | Form 4 ↗ |
| 2026-01-21 | 2026-01-20 | Ugwumba Chidozie, 10% owner | SSale | −12.4K | $4.80 | $59.7K | No | Form 4 ↗ |
| 2026-01-21 | 2026-01-16 | Ugwumba Chidozie, 10% owner | SSale | −7.92K | $5.13 | $40.6K | No | Form 4 ↗ |
| 2026-01-16 | 2026-01-15 | Ugwumba Chidozie 10% owner | SSale | −12.6K | $5.10 | $64.1K | No | Form 4 ↗ |
| 2026-01-16 | 2026-01-14 | Ugwumba Chidozie, 10% owner | SSale | −19.6K | $5.12 | $100K | No | Form 4 ↗ |
| 2026-01-16 | 2026-01-13 | Ugwumba Chidozie, 10% owner | SSale | −26.1K | $4.89 | $128K | No | Form 4 ↗ |
| 2026-01-13 | 2026-01-13 | MATLIN DAVID J Director | PPurchase | +33.3K | $6.50 | $217K | No | Form 4 ↗ |
| 2026-01-13 | 2026-01-13 | Mosca Alison Director | AAward | +16.7K | $6.00 | $100K | No | Form 4 ↗ |
| 2026-01-13 | 2026-01-09 | Mosca Alison, Director | JOther | −57.2K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-01-12 | 2026-01-12 | Ugwumba Chidozie 10% owner | SSale | −32.7K | $5.50 | $180K | No | Form 4 ↗ |
| 2026-01-12 | 2026-01-09 | Ugwumba Chidozie, 10% owner | SSale | −9.07K | $6.27 | $56.9K | No | Form 4 ↗ |
| 2026-01-12 | 2026-01-08 | Ugwumba Chidozie, 10% owner | SSale | −3.19K | $6.09 | $19.5K | No | Form 4 ↗ |
| 2026-01-07 | 2026-01-07 | Ugwumba Chidozie 10% owner | SSale | −3.94K | $6.29 | $24.8K | No | Form 4 ↗ |
| 2026-01-07 | 2026-01-06 | Ugwumba Chidozie, 10% owner | SSale | −3.11K | $6.04 | $18.8K | No | Form 4 ↗ |
| 2026-01-07 | 2026-01-05 | Ugwumba Chidozie, 10% owner | SSale | −5.87K | $5.87 | $34.5K | No | Form 4 ↗ |
| 2026-01-02 | 2026-01-02 | Ugwumba Chidozie 10% owner | SSale | −4.01K | $5.73 | $23.0K | No | Form 4 ↗ |
| 2026-01-02 | 2025-12-31 | Ugwumba Chidozie, 10% owner | SSale | −13.1K | $5.81 | $76.1K | No | Form 4 ↗ |
| 2025-12-31 | 2025-12-30 | Ugwumba Chidozie 10% owner | SSale | −4.14K | $6.03 | $25.0K | No | Form 4 ↗ |
| 2025-12-31 | 2025-12-29 | Ugwumba Chidozie, 10% owner | SSale | −8.10K | $5.95 | $48.2K | No | Form 4 ↗ |
| 2025-12-30 | 2025-12-26 | Ugwumba Chidozie 10% owner | SSale | −3.35K | $6.32 | $21.2K | No | Form 4 ↗ |
| 2025-12-30 | 2025-12-24 | Ugwumba Chidozie, 10% owner | SSale | −1.49K | $6.27 | $9.34K | No | Form 4 ↗ |
| 2025-12-30 | 2025-12-23 | Ugwumba Chidozie, 10% owner | SSale | −6.83K | $6.27 | $42.8K | No | Form 4 ↗ |
| 2025-12-30 | 2025-12-23 | Ugwumba Chidozie, 10% owner | EE | +424K | $0.00 | $424.36 | No | Form 4 ↗ |
| 2025-12-23 | 2025-12-22 | Ugwumba Chidozie 10% owner | SSale | −4.37K | $6.54 | $28.6K | No | Form 4 ↗ |
| 2025-12-23 | 2025-12-19 | Ugwumba Chidozie, 10% owner | SSale | −5.58K | $6.45 | $36.0K | No | Form 4 ↗ |
| 2025-12-18 | 2025-12-18 | Ugwumba Chidozie 10% owner | SSale | −5.82K | $6.33 | $36.8K | No | Form 4 ↗ |
| 2025-12-18 | 2025-12-17 | Ugwumba Chidozie, 10% owner | SSale | −2.88K | $6.61 | $19.1K | No | Form 4 ↗ |
| 2025-12-18 | 2025-12-16 | Ugwumba Chidozie, 10% owner | SSale | −7.03K | $6.31 | $44.4K | No | Form 4 ↗ |
| 2025-12-18 | 2025-12-15 | Ugwumba Chidozie, 10% owner | SSale | −10.6K | $6.49 | $68.7K | No | Form 4 ↗ |
| 2025-12-18 | 2025-12-12 | Ugwumba Chidozie, 10% owner | SSale | −7.60K | $6.79 | $51.6K | No | Form 4 ↗ |
| 2025-12-18 | 2025-12-11 | Ugwumba Chidozie, 10% owner | SSale | −10.9K | $6.81 | $74.3K | No | Form 4 ↗ |
| 2025-12-18 | 2025-12-10 | Ugwumba Chidozie, 10% owner | SSale | −9.92K | $6.42 | $63.7K | No | Form 4 ↗ |
| 2025-12-18 | 2025-12-09 | Ugwumba Chidozie, 10% owner | SSale | −15.0K | $5.95 | $89.4K | No | Form 4 ↗ |
| 2025-12-18 | 2025-12-08 | Ugwumba Chidozie, 10% owner | SSale | −21.5K | $5.70 | $122K | No | Form 4 ↗ |
| 2025-12-18 | 2025-12-05 | Ugwumba Chidozie, 10% owner | SSale | −37.2K | $5.94 | $221K | No | Form 4 ↗ |
| 2025-12-18 | 2025-12-04 | Ugwumba Chidozie, 10% owner | SSale | −72.7K | $6.73 | $490K | No | Form 4 ↗ |
| 2025-12-18 | 2025-12-03 | Ugwumba Chidozie, 10% owner | SSale | −56.6K | $7.86 | $445K | No | Form 4 ↗ |
Insiders — a company’s officers, directors and holders of more than 10% of its stock — must report any trade in that stock to the SEC on a Form 4 within two business days. Each row here is one transaction from those filings.
The transaction code tells you what happened: Purchase (P) and Sale (S) are open-market trades — the ones markets watch most; Award (A) is a granted stock or unit, Option exercise (M) converts options into shares, and Gift (G) is a transfer for no consideration. Awards, exercises and gifts are largely compensation or administrative, not a directional bet.
One caveat on sales: many are made under a Rule 10b5-1 plan scheduled months in advance, so a sale is not automatically a bearish signal. Insider activity is a noisy input — read it alongside the filings, not on its own.
See also CLNN’s full analysis or the market-wide insider trading feed. The tabs above jump to CLNN’s other SEC data.
Source: SEC Form 4 filings for CLNN, parsed from EDGAR. Transaction prices are as reported in the filing — SEC public-domain data, not market quotes. Values are shares × reported price where both are disclosed; grants and gifts often carry no price. A delayed record of what insiders reported, not a live position or a recommendation.
Research and education only — not financial advice. TENKis not a registered investment adviser or broker-dealer and gives no personalized advice. Every call is impersonal — identical for all users, generated on a schedule from SEC filings plus a delayed/third-party price feed — may be wrong or out of date, and is not a recommendation to buy or sell any security. The operator and an affiliated trading operation may hold or trade the securities TENK rates; see Disclosures. Past performance does not guarantee future results. Do your own research.