Insider buyers were busy on May 21, 2026: 40 companies, $45.5 million in open-market purchases all told. The biggest was CSAN3 (Cosan S.A.), where Martins Marcelo Eduardo led about $23.8 million of buying.
C-suite buying: seven companies. 102 companies had three or more insiders buying in the past 30 days. Each filing is linked below if you want to check the details yourself.
| Stock | Company | Bought | Insiders | Largest buyer | Source |
|---|---|---|---|---|---|
| CSAN3 | Cosan S.A. | $23.8M | 1 | Martins Marcelo Eduardo CEO | SEC filing |
| GOLD | Gold.com, Inc. | $5.7M | 1 | TPM, S.A. de C.V. 10% Owner | SEC filing |
| FBIN | Fortune Brands Innovations, Inc. | $2.0M | 1 | GARDEN EDWARD P Director | SEC filing |
| AAT | American Assets Trust, Inc. | $1.7M | 1 | RADY ERNEST S Chair | SEC filing |
| LOGC | ContextLogic Holdings Inc. | $1.3M | 1 | Bobbili Raja Director | SEC filing |
| BLND | Blend Labs, Inc. | $1.2M | 1 | Haveli Investments Software Director | SEC filing |
| XPOF | Xponential Fitness, Inc. | $964K | 1 | Cocke Travis W. 10% Owner | SEC filing |
| INM | InMed Pharmaceuticals Inc. | $722K | 1 | Schneeberger Daniel 10% Owner | SEC filing |
| KBR | KBR, INC. | $597K | 2 | Sabater Carlos A. Director | SEC filing |
| MXF | MEXICO FUND INC | $594K | 1 | Saba Capital Management, L.P 10% Owner | SEC filing |
| BSX | BOSTON SCIENTIFIC CORP | $554K | 3 | LUDWIG EDWARD J Director | SEC filing |
| NCLH | Norwegian Cruise Line Holdings Ltd. | $475K | 1 | COHEN JONATHAN Z Director | SEC filing |
| HFRO | HIGHLAND OPPORTUNITIES & INCOME FUND | $391K | 1 | Saba Capital Management, L.P 10% Owner | SEC filing |
| BETR | Better Home & Finance Holding Co | $388K | 1 | Garg Vishal CEO | SEC filing |
| PDX | PIMCO Dynamic Income Strategy Fund | $386K | 1 | SHARENOW GREG ELLIOT Other | SEC filing |
| OXSQ | Oxford Square Capital Corp. | $333K | 2 | COHEN JONATHAN H CEO | SEC filing |
| WW | WW INTERNATIONAL, INC. | $311K | 3 | Hawks Carney Director | SEC filing |
| LEE | LEE ENTERPRISES, Inc | $304K | 1 | Hoffmann David Henry Director | SEC filing |
| SMWB | SIMILARWEB LTD. | $292K | 1 | Beit-On Harel Moshe Director | SEC filing |
| AMRZ | Amrize Ltd | $271K | 2 | Gross Mario Executive Officer | SEC filing |
| LMRI | Lumexa Imaging Holdings, Inc. | $254K | 1 | BRODNAX BRETT Director | SEC filing |
| PPRUX | PGIM Real Estate Fund Inc. | $250K | 1 | Parker Stuart President | SEC filing |
| BETA | BETA Technologies, Inc. | $250K | 1 | Stone Michael Robert Director | SEC filing |
| LUCD | Lucid Diagnostics Inc. | $245K | 1 | Matheis Dennis Director | SEC filing |
| VITL | Vital Farms, Inc. | $243K | 5 | Holland Joseph Michael Executive Officer | SEC filing |
| Stock | Company | Bought | Insiders | Largest buyer | Source |
|---|---|---|---|---|---|
| CSAN3 | Cosan S.A. | $23.8M | 1 | Martins Marcelo Eduardo CEO | SEC filing |
| BETR | Better Home & Finance Holding Co | $388K | 1 | Garg Vishal CEO | SEC filing |
| OXSQ | Oxford Square Capital Corp. | $333K | 2 | COHEN JONATHAN H CEO | SEC filing |
| STRR | Star Equity Holdings, Inc. | $194K | 2 | Eberwein Jeffrey E. CEO | SEC filing |
| TISI | TEAM INC | $94K | 1 | Hill Gary L. CEO | SEC filing |
| SWIM | Latham Group, Inc. | $74K | 1 | Gloe Oliver C. CFO | SEC filing |
| RGR | STURM RUGER & CO INC | $59K | 1 | Seyfert Todd William CEO | SEC filing |
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