🕵️ Apellis Pharmaceuticals, Inc. ($APLS)
SEC insider & ownership activity, last 12 months · CIK 1492422 · every row links its SEC filing
Over the last 12 months insiders sold $5.5M with no open-market buying against it. Dunlop A. Sinclair sold $2.2M through a 10b5-1 trading plan in 3 lots (Sep–Oct). BlackRock, Inc. added 4.5% → 10.5%. One red-flag 8-K in the window: Delisting notice (3.01), May 14, 2026.
🚨 8 signals active —
planned-vs-executed verdicts, pre-event flags, and cluster context live in the
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 9 sellers, $5.5M (34 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Dunlop A. Sinclair | 0 | – | 3 | $2.2M | Oct 10, 2025 |
| Francois Cedric | 0 | – | 3 | $980K | Jan 22, 2026 |
| David O. Watson | 0 | – | 7 | $818K | Jan 22, 2026 |
| Sullivan Timothy Eugene | 0 | – | 4 | $647K | Jan 22, 2026 |
| Nicholson Nur | 0 | – | 3 | $270K | Jan 22, 2026 |
| Deschatelets Pascal | 0 | – | 3 | $198K | Jan 22, 2026 |
| Baumal Caroline | 0 | – | 3 | $175K | Jan 22, 2026 |
| Delong Mark Jeffrey | 0 | – | 4 | $147K | Feb 11, 2026 |
| Chopas James George | 0 | – | 4 | $83K | Jan 22, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| BlackRock, Inc. | 10.5% | 13G | Feb 6, 2026 | filing ↗ | |
| Wellington Management Company LLP | 10.5% | 13G | Nov 7, 2025 | filing ↗ | |
| State Street Corporation | 5.4% | 13G | May 12, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| DeLong Mark Jeffrey | $8K | Feb 11, 2026 | filing ↗ |
| David O. Watson | $170K | Jan 22, 2026 | filing ↗ |
| Deschatelets Pascal | $129K | Jan 22, 2026 | filing ↗ |
| Sullivan Timothy Eugene | $224K | Jan 22, 2026 | filing ↗ |
| DeLong Mark Jeffrey | $73K | Jan 22, 2026 | filing ↗ |
| Francois Cedric | $592K | Jan 22, 2026 | filing ↗ |
| Nicholson Nur | $168K | Jan 22, 2026 | filing ↗ |
| Chopas James George | $45K | Jan 22, 2026 | filing ↗ |
| Baumal Caroline | $61K | Jan 22, 2026 | filing ↗ |
| Nicholson Nur | $44K | Jan 20, 2026 | filing ↗ |
| David O. Watson | $49K | Jan 20, 2026 | filing ↗ |
| Francois Cedric | $162K | Jan 20, 2026 | filing ↗ |
| DeLong Mark Jeffrey | $26K | Jan 20, 2026 | filing ↗ |
| Deschatelets Pascal | $18K | Jan 20, 2026 | filing ↗ |
| Baumal Caroline | $37K | Jan 20, 2026 | filing ↗ |
| Sullivan Timothy Eugene | $57K | Jan 20, 2026 | filing ↗ |
| Chopas James George | $14K | Jan 20, 2026 | filing ↗ |
| Nicholson Nur | $58K | Jan 13, 2026 | filing ↗ |
| Chopas James George | $19K | Jan 13, 2026 | filing ↗ |
| David O. Watson | $128K | Jan 13, 2026 | filing ↗ |
| DeLong Mark Jeffrey | $39K | Jan 13, 2026 | filing ↗ |
| Deschatelets Pascal | $51K | Jan 13, 2026 | filing ↗ |
| Francois Cedric | $226K | Jan 13, 2026 | filing ↗ |
| Sullivan Timothy Eugene | $86K | Jan 13, 2026 | filing ↗ |
| Baumal Caroline | $77K | Jan 5, 2026 | filing ↗ |
| David O. Watson | $122K | Dec 16, 2025 | filing ↗ |
| David O. Watson | $100K | Nov 17, 2025 | filing ↗ |
| Sullivan Timothy Eugene | $280K | Oct 21, 2025 | filing ↗ |
| David O. Watson | $126K | Oct 16, 2025 | filing ↗ |
| Dunlop A. Sinclair | $2.1M | Sep 19, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Material agreement (1.01) | May 14, 2026 | filing ↗ |
| Agreement terminated (1.02) | May 14, 2026 | filing ↗ |
| Acquisition or disposition (2.01) | May 14, 2026 | filing ↗ |
| Delisting notice (3.01) | May 14, 2026 | filing ↗ |
| Material Modifications to Rights of Security Holders (3.03) | May 14, 2026 | filing ↗ |
| Change of control (5.01) | May 14, 2026 | filing ↗ |
| Officer/director changes (5.02) | May 14, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | May 14, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 14, 2026 | filing ↗ |
| Other events (8.01) | May 14, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 14, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 28, 2026 | filing ↗ |
| Material agreement (1.01) | Mar 30, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 30, 2026 | filing ↗ |
| Other events (8.01) | Mar 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 30, 2026 | filing ↗ |
| Officer/director changes (5.02) | Feb 27, 2026 | filing ↗ |
| Earnings (2.02) | Jan 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 12, 2026 | filing ↗ |