Insider buyers were busy on May 28, 2026: 40 companies, $45.1 million in open-market purchases all told. At the top: ARTV, $16.5 million bought, with GC Corp. as the largest buyer.
CEOs and CFOs show up 10 times in today's list. 107 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 |
|---|---|---|---|---|---|
| ARTV | Artiva Biotherapeutics, Inc. | $16.5M | 1 | GC Corp. 10% Owner | SEC filing |
| HLNE | Hamilton Lane INC | $10.0M | 1 | Rogers Hartley R. Chair | SEC filing |
| GF | NEW GERMANY FUND INC | $2.9M | 1 | Saba Capital Management, L.P 10% Owner | SEC filing |
| SCHW | SCHWAB CHARLES CORP | $1.8M | 1 | Wurster Richard A CEO | SEC filing |
| MXF | MEXICO FUND INC | $1.3M | 1 | Saba Capital Management, L.P 10% Owner | SEC filing |
| LOGC | ContextLogic Holdings Inc. | $1.1M | 1 | Bobbili Raja Director | SEC filing |
| COR | Cencora, Inc. | $1.1M | 1 | DURCAN DERMOT MARK Director | SEC filing |
| PSEC | PROSPECT CAPITAL CORP | $1.0M | 1 | Barry John F CEO | SEC filing |
| NAKA | Nakamoto Inc. | $993K | 1 | Bailey David F CEO | SEC filing |
| GLOB | Globant S.A. | $972K | 1 | Aguzin Alejandro Nicolas Director | SEC filing |
| PAM | Pampa Energy Inc. | $927K | 1 | Mindlin Marcos Marcelo Director | SEC filing |
| DNUT | Krispy Kreme, Inc. | $769K | 1 | Hees Bernardo Director | SEC filing |
| CDZI | CADIZ INC | $508K | 1 | O'Hara David Mark Director | SEC filing |
| XPEPX | AMG Pantheon Fund, LLC | $500K | 1 | Miller Jeffrey Grant President | SEC filing |
| BSM | Black Stone Minerals, L.P. | $497K | 1 | DeWalch D Mark Director | SEC filing |
| HAWK | HawkEye 360, Inc. | $390K | 1 | Finelli Francis Alphonse Director | SEC filing |
| PLYX | Polaryx Therapeutics, Inc. | $360K | 1 | Mstone Partners Healthcare L CEO | SEC filing |
| PAX | Patria Investments Ltd | $342K | 1 | Neto Olimpio Matarazzo Director | SEC filing |
| TMCI | TREACE MEDICAL CONCEPTS, INC. | $340K | 1 | Treace John T. CEO | SEC filing |
| CAVA | CAVA GROUP, INC. | $318K | 1 | Thompson Douglas W. Executive Officer | SEC filing |
| DGICA | DONEGAL GROUP INC | $293K | 1 | DONEGAL MUTUAL INSURANCE CO 10% Owner | SEC filing |
| CRT | CROSS TIMBERS ROYALTY TRUST | $254K | 1 | SoftVest GP I, LLC 10% Owner | SEC filing |
| MTDR | Matador Resources Co | $245K | 1 | Foran Joseph Wm CEO | SEC filing |
| RLI | RLI CORP | $209K | 2 | Klobnak Jennifer L COO | SEC filing |
| UBCP | UNITED BANCORP INC /OH/ | $201K | 9 | Glessner Gary W Director | SEC filing |
| Stock | Company | Bought | Insiders | Largest buyer | Source |
|---|---|---|---|---|---|
| SCHW | SCHWAB CHARLES CORP | $1.8M | 1 | Wurster Richard A CEO | SEC filing |
| PSEC | PROSPECT CAPITAL CORP | $1.0M | 1 | Barry John F CEO | SEC filing |
| NAKA | Nakamoto Inc. | $993K | 1 | Bailey David F CEO | SEC filing |
| PLYX | Polaryx Therapeutics, Inc. | $360K | 1 | Mstone Partners Healthcare L CEO | SEC filing |
| TMCI | TREACE MEDICAL CONCEPTS, INC. | $340K | 1 | Treace John T. CEO | SEC filing |
| MTDR | Matador Resources Co | $245K | 1 | Foran Joseph Wm CEO | SEC filing |
| CURI | CuriosityStream Inc. | $80K | 1 | Stinchcomb Clinton Larry CEO | SEC filing |
| BZUN | Baozun Inc. | $77K | 2 | Qiu Wenbin CEO | SEC filing |
| WATT | Energous Corp | $49K | 1 | Burak Mallorie Sara CEO | SEC filing |
| FIP | FTAI Infrastructure Inc. | $46K | 1 | Fletcher Carl Russell IV CFO | SEC filing |
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