🕵️ Equillium, Inc. ($EQ)
SEC insider & ownership activity, last 12 months · CIK 1746466 · every row links its SEC filing
Over the last 12 months insiders sold $2.4M with no open-market buying against it. Zedelmayer Christine sold $1.5M through a program of 7 sale notices averaging $184K (Nov–Jun). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 3 sellers, $2.4M (18 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Zedelmayer Christine | 0 | – | 14 | $1.5M | Jun 5, 2026 |
| Connelly Stephen | 0 | – | 2 | $724K | Jun 5, 2026 |
| Tom Penny | 0 | – | 2 | $200K | May 28, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Janus Henderson Group PLC | 10.0% | 13G | Feb 6, 2026 | filing ↗ | |
| RA Capital Management, L.P. | 9.9% | 13G | Mar 20, 2026 | filing ↗ | |
| Peter Kolchinsky | 9.9% | 13G | Mar 20, 2026 | filing ↗ | |
| Rajeev Shah | 9.9% | 13G | Mar 20, 2026 | filing ↗ | |
| RA Capital Healthcare Fund, L.P. | 9.9% | 13G | Mar 20, 2026 | filing ↗ | |
| ADAR1 Capital Management, LLC | 9.9% | 13G | May 15, 2026 | filing ↗ | |
| Daniel Schneeberger | 9.9% | 13G | May 15, 2026 | filing ↗ | |
| ADAR1 Capital Management GP, LLC | 9.5% | 13G | May 15, 2026 | filing ↗ | |
| Xiangmin Cui | 8.9% | 13G | May 15, 2026 | filing ↗ | |
| Adage Capital Management, L.P. | 7.2% | 13G | Aug 12, 2026 | filing ↗ | |
| Robert Atchinson | 7.2% | 13G | Aug 12, 2026 | filing ↗ | |
| Phillip Gross | 7.2% | 13G | Aug 12, 2026 | filing ↗ | |
| Decheng Capital Management IV (CAYMAN), LLC | 6.7% | 13G | May 15, 2026 | filing ↗ | |
| Decheng Capital Global Life Sciences Fund IV, L.P. | 6.7% | 13G | May 15, 2026 | filing ↗ | |
| Affinity Asset Advisors, LLC | 6.5% | 13G | Aug 13, 2026 | filing ↗ | |
| Michael Cho | 6.5% | 13G | Aug 13, 2026 | filing ↗ | |
| Woodline Partners LP | 5.9% | 13G | Nov 14, 2025 | filing ↗ | |
| Aberdeen Group PLC | 5.3% | 13G | May 7, 2026 | filing ↗ | |
| Abrdn Inc. | 5.3% | 13G | May 7, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Connelly Stephen | $91K | Jun 5, 2026 | filing ↗ |
| Connelly Stephen | $633K | Jun 4, 2026 | filing ↗ |
| Zedelmayer Christine | $173K | May 27, 2026 | filing ↗ |
| Zedelmayer Christine | $289K | Mar 13, 2026 | filing ↗ |
| Zedelmayer Christine | $321K | Mar 9, 2026 | filing ↗ |
| Zedelmayer Christine | $316K | Feb 19, 2026 | filing ↗ |
| Tom Penny | $8K | Jan 8, 2026 | filing ↗ |
| Zedelmayer Christine | $150K | Dec 23, 2025 | filing ↗ |
| Zedelmayer Christine | $32K | Dec 12, 2025 | filing ↗ |
| Zedelmayer Christine | $7K | Nov 25, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Aug 13, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 13, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 28, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 28, 2026 | filing ↗ |
| Earnings (2.02) | May 13, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 13, 2026 | filing ↗ |
| Earnings (2.02) | Mar 25, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 25, 2026 | filing ↗ |
| Material agreement (1.01) | Mar 11, 2026 | filing ↗ |
| Unregistered equity sale (3.02) | Mar 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 11, 2026 | filing ↗ |
| Earnings (2.02) | Nov 13, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 13, 2025 | filing ↗ |
| Auditor change (4.01) | Sep 30, 2025 | filing ↗ |
| Auditor change (4.01) | Sep 30, 2025 | filing ↗ |
| Officer/director changes (5.02) | Sep 30, 2025 | filing ↗ |
| Other events (8.01) | Sep 30, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 30, 2025 | filing ↗ |
| Other events (8.01) | Sep 19, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 19, 2025 | filing ↗ |