🕵️ Anaptysbio, Inc. ($ANAB)
SEC insider & ownership activity, last 12 months · CIK 1370053 · every row links its SEC filing
Over the last 12 months insiders sold $9.9M with no open-market buying against it. Eric J Loumeau sold $3.0M (Sep–Feb). 25 planned sales are pending, the largest $1.8M (Dennis Mulroy). No red-flag 8-Ks in the window.
🚨 6 signals active —
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 8 sellers, $9.9M (44 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Eric J Loumeau | 0 | – | 13 | $3.0M | Feb 11, 2026 |
| Faga Daniel | 0 | – | 13 | $2.8M | Mar 27, 2026 |
| Dennis Mulroy | 0 | – | 6 | $1.5M | Jan 8, 2026 |
| John P. Schmid | 0 | – | 3 | $1.2M | Mar 30, 2026 |
| Marquet Magda | 0 | – | 2 | $531K | Jan 15, 2026 |
| Paul F. Lizzul | 0 | – | 4 | $522K | Jan 8, 2026 |
| Renton Hollings | 0 | – | 2 | $201K | Aug 8, 2025 |
| Joe Anthony Ware | 0 | – | 1 | $193K | Dec 23, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Sirenia Capital Management LP | 6.7% | 13G | May 15, 2026 | filing ↗ | |
| Alex Silverstein | 6.7% | 13G | May 15, 2026 | filing ↗ | |
| Blackrock, Inc. | 6.2% | 13G | Apr 17, 2025 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Joe Anthony Ware | $718K | Jul 13, 2026 | filing ↗ |
| Joe Anthony Ware | $409K | Jun 30, 2026 | filing ↗ |
| Dennis Mulroy | $601K | Jun 29, 2026 | filing ↗ |
| Dennis Mulroy | $608K | Jun 26, 2026 | filing ↗ |
| Dennis Mulroy | $51K | Jun 17, 2026 | filing ↗ |
| Dennis Mulroy | $76K | Jun 16, 2026 | filing ↗ |
| Dennis Mulroy | $1.2M | Jun 15, 2026 | filing ↗ |
| Dennis Mulroy | $1.1M | Jun 12, 2026 | filing ↗ |
| Dennis Mulroy | $1.8M | Jun 11, 2026 | filing ↗ |
| Dennis Mulroy | $1.0M | Jun 10, 2026 | filing ↗ |
| Dennis Mulroy | $1.0M | Jun 9, 2026 | filing ↗ |
| Dennis Mulroy | $1.1M | Jun 8, 2026 | filing ↗ |
| Dennis Mulroy | $1.2M | Jun 5, 2026 | filing ↗ |
| Dennis Mulroy | $1.0M | Jun 4, 2026 | filing ↗ |
| Dennis Mulroy | $1.0M | Jun 3, 2026 | filing ↗ |
| Dennis Mulroy | $1.0M | Jun 2, 2026 | filing ↗ |
| Dennis Mulroy | $404K | Jun 1, 2026 | filing ↗ |
| Dennis Mulroy | $835K | May 29, 2026 | filing ↗ |
| Dennis Mulroy | $595K | May 28, 2026 | filing ↗ |
| Dennis Mulroy | $585K | May 27, 2026 | filing ↗ |
| Dennis Mulroy | $576K | May 26, 2026 | filing ↗ |
| Dennis Mulroy | $593K | May 22, 2026 | filing ↗ |
| Dennis Mulroy | $928K | May 21, 2026 | filing ↗ |
| Dennis Mulroy | $599K | May 19, 2026 | filing ↗ |
| Dennis Mulroy | $633K | May 15, 2026 | filing ↗ |
| John Schmid | $1.2M | Mar 30, 2026 | filing ↗ |
| Eric J Loumeau | $540K | Feb 11, 2026 | filing ↗ |
| Magda Marquet | $531K | Jan 15, 2026 | filing ↗ |
| Paul F. Lizzul | $165K | Jan 8, 2026 | filing ↗ |
| Daniel Faga | $646K | Jan 8, 2026 | filing ↗ |
| Dennis Mulroy | $114K | Jan 8, 2026 | filing ↗ |
| Eric J Loumeau | $100K | Jan 8, 2026 | filing ↗ |
| Eric J Loumeau | $348K | Jan 7, 2026 | filing ↗ |
| Paul F. Lizzul | $98K | Jan 7, 2026 | filing ↗ |
| Daniel Faga | $404K | Jan 7, 2026 | filing ↗ |
| Dennis Mulroy | $84K | Jan 7, 2026 | filing ↗ |
| Eric J Loumeau | $89K | Jan 7, 2026 | filing ↗ |
| Paul F. Lizzul | $190K | Jan 5, 2026 | filing ↗ |
| Daniel Faga | $688K | Jan 5, 2026 | filing ↗ |
| Dennis Mulroy | $151K | Jan 5, 2026 | filing ↗ |
| Eric J Loumeau | $134K | Jan 5, 2026 | filing ↗ |
| Joe Anthony Ware | $193K | Dec 23, 2025 | filing ↗ |
| Eric J Loumeau | $510K | Dec 22, 2025 | filing ↗ |
| Paul F Lizzul | $75K | Dec 22, 2025 | filing ↗ |
| Dennis Mulroy | $500K | Dec 22, 2025 | filing ↗ |
| Eric J Loumeau | $7K | Dec 18, 2025 | filing ↗ |
| Eric J Loumeau | $460K | Dec 17, 2025 | filing ↗ |
| Dennis Mulroy | $705K | Dec 16, 2025 | filing ↗ |
| Eric J Loumeau | $561K | Dec 16, 2025 | filing ↗ |
| Eric J Loumeau | $239K | Sep 30, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Material agreement (1.01) | Jun 15, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 29, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | May 18, 2026 | filing ↗ |
| Earnings (2.02) | May 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 12, 2026 | filing ↗ |
| Officer/director changes (5.02) | May 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 20, 2026 | filing ↗ |
| Material agreement (1.01) | Apr 20, 2026 | filing ↗ |
| Acquisition or disposition (2.01) | Apr 20, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 20, 2026 | filing ↗ |
| Other events (8.01) | Apr 20, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 20, 2026 | filing ↗ |
| Material agreement (1.01) | Mar 26, 2026 | filing ↗ |
| Agreement terminated (1.02) | Mar 26, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 26, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Mar 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 26, 2026 | filing ↗ |
| Earnings (2.02) | Mar 3, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Mar 3, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 3, 2026 | filing ↗ |
| Earnings (2.02) | Jan 9, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 9, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Nov 26, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 26, 2025 | filing ↗ |
| Other events (8.01) | Nov 21, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 21, 2025 | filing ↗ |
| Other events (8.01) | Nov 20, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Nov 10, 2025 | filing ↗ |
| Other events (8.01) | Nov 10, 2025 | filing ↗ |