Wahlstrom Mats (CIK 1459154) reported 5 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-06-09). Recent activity: Buy CHRS (30,000 shares), Buy TLSI (60,000 shares), Buy TLSI (37,602 shares), Buy TLSI (34,226 shares), Sell CHRS (99,988 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-09 | Coherus Oncology, Inc. (CHRS) | Director | Buy | 30,000 | $0 |
| 2026-05-18 | TriSalus Life Sciences, Inc. (TLSI) | Director | Buy | 60,000 | $151,800 |
| 2026-05-15 | TriSalus Life Sciences, Inc. (TLSI) | Director | Buy | 37,602 | $0 |
| 2026-05-15 | TriSalus Life Sciences, Inc. (TLSI) | Director | Buy | 34,226 | $0 |
| 2025-05-28 | Coherus BioSciences, Inc. (CHRS) | Director | Sell | 99,988 | $73,991 |
Source: SEC Form 4 filings · as of 2026-06-09