Here's what insiders bought in filings for Jul 22, 2026 — 16 companies and around $12.9 million in total. The biggest was PBLS (Parabilis Medicines, Inc.), where RA CAPITAL MANAGEMENT, L.P. led about $6.9 million of buying.
C-suite buying: two companies. 31 companies had three or more insiders buying in the past 30 days. One buy doesn't make a thesis, but it's a good place to start digging.
| Stock | Company | Bought | Insiders | Largest buyer | Source |
|---|---|---|---|---|---|
| PBLS | Parabilis Medicines, Inc. | $6.9M | 1 | RA CAPITAL MANAGEMENT, L.P. Director | SEC filing |
| CLBK | Columbia Financial, Inc./MD/ | $4.8M | 16 | Klein Steven M COO | SEC filing |
| HDSN | HUDSON TECHNOLOGIES INC /NY | $393K | 1 | Hartree Partners, LP 10% Owner | SEC filing |
| NMM | Navios Maritime Partners L.P. | $253K | 1 | Frangou Angeliki Officer | SEC filing |
| CAPS | Capstone Holding Corp. | $167K | 1 | Lipman Matthew E. CEO | SEC filing |
| TSM | TAIWAN SEMICONDUCTOR MANUFACTURING CO | $147K | 1 | Lin Shyue-Shyh Officer | SEC filing |
| TOI | Oncology Institute, Inc. | $95K | 1 | Chernett Jorey 10% Owner | SEC filing |
| SNES | SenesTech, Inc. | $51K | 1 | GLENBROOK CAPITAL MANAGEMENT 10% Owner | SEC filing |
| YQ | 17 Education & Technology Group Inc. | $20K | 1 | Liu Chang CEO | SEC filing |
| SWZ | Total Return Securities Fund | $9K | 1 | SELL MORITZ A Director | SEC filing |
| BTO | JOHN HANCOCK FINANCIAL OPPORTUNITIES F | $7K | 1 | Bacic William K Other | SEC filing |
| RDGL | VIVOS INC | $5K | 1 | Weeks Brad Allan President | SEC filing |
| HEQ | John Hancock Diversified Income Fund | $4K | 1 | Bacic William K Other | SEC filing |
| JCTC | JEWETT CAMERON TRADING CO LTD | $3K | 1 | AJB Investment Fund II, LP 10% Owner | SEC filing |
| RCG | RENN Fund, Inc. | $2K | 1 | HORIZON KINETICS ASSET MANAG 10% Owner | SEC filing |
| TPL | Texas Pacific Land Corp | $413 | 1 | HORIZON KINETICS ASSET MANAG 10% Owner | SEC filing |
| Stock | Company | Bought | Insiders | Largest buyer | Source |
|---|---|---|---|---|---|
| CAPS | Capstone Holding Corp. | $167K | 1 | Lipman Matthew E. CEO | SEC filing |
| YQ | 17 Education & Technology Group Inc. | $20K | 1 | Liu Chang CEO | SEC filing |
← Jul 21, 2026 · This week's CEO buys · All days · Congress trades (free)