ARBIOS SYSTEMS INC (ABOS) has 19 open-market insider trades by 14 insiders since 2006. Over the last six months insiders net sold $90K. The most active filer is Derek M. Meisner, CLO & Secretary.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| RA Capital Management, L.P. | Dir10% Owner | — | 1 | $80.0M | 2026-06-03 |
| Rajeev M. Shah | Dir10% Owner | — | 1 | $30.0M | 2026-03-16 |
| Robert D. Hardie | 10% Owner | — | 2 | $17.0M | 2021-07-06 |
| Frank M. Sands | 10% Owner | — | 1 | $6.7M | 2021-07-06 |
| Paul B. Manning | 10% Owner | — | 1 | $5.0M | 2021-07-06 |
| John A. Stalfort III | Dir | — | 1 | $560K | 2026-06-03 |
| Derek M. Meisner | CLOSecretary | — | 4 | $168K | 2026-03-06 |
| Nathan B. Fountain | Dir | — | 2 | $114K | 2026-06-09 |
| Derrell Porter | Dir | — | 1 | $75K | 2026-06-17 |
| Matt Zuga | CFO | — | 1 | $29K | 2026-01-22 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Derrell Porter | Director | Sell | $75K | 2026-06-15 |
| Nathan B. Fountain | Director | Sell | $14K | 2026-06-09 |
| Derek M. Meisner | CLO & Secretary | Sell | $7K | 2026-03-06 |
| Derek M. Meisner | CLO | Sell | $28K | 2026-02-27 |
| Derek M. Meisner | CLO & Secretary | Sell | $53K | 2026-01-26 |
| Russell Barton | COO | Sell | $5K | 2026-01-21 |
Companies that share insiders with ABOS, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| Eric Siemers | Chief Medical Officer | Sell | $6K | 2026-01-21 |
| Derek M. Meisner | CLO & Secretary | Sell | $17K | 2026-01-21 |
| Daniel Joseph OConnell | CEO | Sell | $22K | 2026-01-21 |
| Matt Zuga | CFO & Chief Business Officer | Sell | $8K | 2026-01-21 |
| Matt Zuga | CFO & Chief Business Officer | Sell | $13K | 2026-01-08 |
| Derek M. Meisner | CLO & Secretary | Sell | $91K | 2026-01-08 |
| Daniel Joseph OConnell | CEO | Sell | $47K | 2026-01-08 |
| Russell Barton | COO | Sell | $7K | 2026-01-08 |
| Amy Schacterle | Chief Regulatory Officer | Sell | $2K | 2026-01-07 |