On Jul 22, 2026, 34 insiders at 18 companies filed 58 purchases reported on Form 4, worth $12.8M in all, with a median purchase of $97.4K. The largest was Ra Capital Management, L.p., Director, 10% owner of Parabilis Medicines, Inc. (PBLS), who reported buying 98,433 shares worth $2.7M. Officers accounted for 28 purchases, directors who are not officers for 20, and 10% owners with no board or officer role for 7. Chief executives and chief financial officers filed 5 purchases: Kemly Thomas J., President & CEO, Director of Columbia Financial, Inc./MD/ (CLBK); Lipman Matthew E., Chief Executive Officer, Director, 10% owner of Capstone Holding Corp. (CAPS); Liu Chang, Chief Executive Officer, Director, 10% owner of 17 Education & Technology Group Inc. (YQ) among others. 4 companies showed cluster buying, two or more insiders buying within 7 days: CLBK (16 insiders), TSM (2 insiders), RDGL (2 insiders), CIK 1777677 (2 insiders). For 18 insiders of 34, this was the first purchase of that company's stock on our record. That is more than the 32 purchases filed on Jul 21, 2026. A Form 4 is due within two business days of the trade, so most of these purchases were made earlier in the week. Code P also covers shares bought privately from the company, so one large figure can be a negotiated placement rather than buying on the exchange.
| Company | Value | Insider | Role | Shares | Filed |
|---|---|---|---|---|---|
| PBLS Parabilis Medicines, Inc. | $2.7M | Ra Capital Management, L.p. | Director, 10% owner | 98,433 | 2026-07-22 |
| PBLS Parabilis Medicines, Inc. | $1.4M | Ra Capital Management, L.p. | Director, 10% owner | 47,250 | 2026-07-22 |
| PBLS Parabilis Medicines, Inc. | $1.1M | Ra Capital Management, L.p. | Director, 10% owner | 37,723 | 2026-07-22 |
| PBLS Parabilis Medicines, Inc. | $914.4K | Ra Capital Management, L.p. | Director, 10% owner | 32,987 | 2026-07-22 |
| PBLS Parabilis Medicines, Inc. | $606.6K | Ra Capital Management, L.p. | Director, 10% owner | 21,696 | 2026-07-22 |
| CLBK Columbia Financial, Inc./MD/ | $500.0K | Splaine Thomas Jr | EVP, CFO | 50,000 | 2026-07-22 |
| CLBK Columbia Financial, Inc./MD/ | $500.0K | Klein Steven M | Sr. EVP, COO, Director | 50,000 | 2026-07-22 |
| CLBK Columbia Financial, Inc./MD/ | $444.0K | Schlesinger Allyson Katz | SEVP&Head of Consumer Banking | 44,400 | 2026-07-22 |
| CLBK Columbia Financial, Inc./MD/ | $400.0K | Kemly Thomas J. | President & CEO, Director | 40,000 | 2026-07-22 |
| CLBK Columbia Financial, Inc./MD/ | $300.0K | Klimowich John | SEVP & Chief Risk Officer | 30,000 | 2026-07-22 |
| HDSN Hudson Technologies Inc /ny | $285.7K | Hartree Partners, LP | 10% owner | 47,708 | 2026-07-22 |
| CLBK Columbia Financial, Inc./MD/ | $272.0K | Randall Elizabeth E. | Director | 27,200 | 2026-07-22 |
| CLBK Columbia Financial, Inc./MD/ | $250.0K | Van Dyk Robert | Director | 25,000 | 2026-07-22 |
| CLBK Columbia Financial, Inc./MD/ | $205.0K | Gibney Dennis E. | 1st Sr. EVP, CBO, Director | 20,500 | 2026-07-22 |
| CLBK Columbia Financial, Inc./MD/ | $200.0K | Sorrentini Lucy | Director | 20,000 | 2026-07-22 |
| PBLS Parabilis Medicines, Inc. | $189.7K | Ra Capital Management, L.p. | Director, 10% owner | 6,504 | 2026-07-22 |
| CAPS Capstone Holding Corp. | $167.0K | Lipman Matthew E. | Chief Executive Officer, Director, 10% owner | 41,750 | 2026-07-22 |
| CLBK Columbia Financial, Inc./MD/ | $150.0K | Massood Michael Jr. | Director | 15,000 | 2026-07-22 |
| CLBK Columbia Financial, Inc./MD/ | $150.0K | Prabhu Manesh Balachandran | EVP & CIO | 15,000 | 2026-07-22 |
| CLBK Columbia Financial, Inc./MD/ | $145.0K | Lewis Oliver Edward Jr | SEVP & Head Commercial Banking | 14,500 | 2026-07-22 |
| CLBK Columbia Financial, Inc./MD/ | $130.6K | Kemly Thomas J. | President & CEO, Director | 13,057 | 2026-07-22 |
| CLBK Columbia Financial, Inc./MD/ | $125.0K | Gibney Dennis E. | 1st Sr. EVP, CBO, Director | 12,500 | 2026-07-22 |
| CLBK Columbia Financial, Inc./MD/ | $122.0K | Randall Elizabeth E. | Director | 12,200 | 2026-07-22 |
| CLBK Columbia Financial, Inc./MD/ | $115.0K | Gibney Dennis E. | 1st Sr. EVP, CBO, Director | 11,500 | 2026-07-22 |
| HDSN Hudson Technologies Inc /ny | $106.9K | Hartree Partners, LP | 10% owner | 17,842 | 2026-07-22 |
| CLBK Columbia Financial, Inc./MD/ | $105.8K | Randall Elizabeth E. | Director | 10,580 | 2026-07-22 |
| CLBK Columbia Financial, Inc./MD/ | $100.0K | Massood Michael Jr. | Director | 10,000 | 2026-07-22 |
| CLBK Columbia Financial, Inc./MD/ | $100.0K | Kuiken James Michael | Director | 10,000 | 2026-07-22 |
| CLBK Columbia Financial, Inc./MD/ | $100.0K | Wainwright Jim Hobart | Director | 10,000 | 2026-07-22 |
| TOI Starling Oncology, Inc. | $94.9K | Chernett Jorey | 10% owner | 18,000 | 2026-07-22 |
| CLBK Columbia Financial, Inc./MD/ | $90.0K | Rinaldi Mayra Liseth | EVP, Corp Governance & Culture | 9,000 | 2026-07-22 |
| NMM Navios Maritime Partners L.P. | $85.1K | Frangou Angeliki | See Remarks, Director, 10% owner | 1,167 | 2026-07-22 |
| NMM Navios Maritime Partners L.P. | $85.1K | Frangou Angeliki | See Remarks, Director, 10% owner | 1,149 | 2026-07-22 |
| NMM Navios Maritime Partners L.P. | $83.0K | Frangou Angeliki | See Remarks, Director, 10% owner | 1,121 | 2026-07-22 |
| CLBK Columbia Financial, Inc./MD/ | $75.0K | Holland Noel R. | Director | 7,500 | 2026-07-22 |
| TSM Taiwan Semiconductor Manufacturing Co Ltd | $74.1K | Lin Shyue-Shyh | VP | 1,000 | 2026-07-22 |
| TSM Taiwan Semiconductor Manufacturing Co Ltd | $72.7K | Lin Shyue-Shyh | VP | 1,000 | 2026-07-22 |
| CLBK Columbia Financial, Inc./MD/ | $56.0K | Schlesinger Allyson Katz | SEVP&Head of Consumer Banking | 5,600 | 2026-07-22 |
| SNES SenesTech, Inc. | $51.6K | Glenbrook Capital Management | 10% owner | 35,000 | 2026-07-22 |
| CLBK Columbia Financial, Inc./MD/ | $50.0K | Klimowich John | SEVP & Chief Risk Officer | 5,000 | 2026-07-22 |
| YQ 17 Education & Technology Group Inc. | $20.1K | Liu Chang | Chief Executive Officer, Director, 10% owner | 9,287 | 2026-07-22 |
| CLBK Columbia Financial, Inc./MD/ | $11.6K | Rinaldi Mayra Liseth | EVP, Corp Governance & Culture | 1,157 | 2026-07-22 |
| BTO John Hancock Financial Opportunities Fund | $7.5K | Bacic William K | Insider | 184 | 2026-07-22 |
| SWZ Total Return Securities Fund | $5.9K | Sell Moritz A | Director | 1,000 | 2026-07-22 |
| CLBK Columbia Financial, Inc./MD/ | $5.0K | Lewis Oliver Edward Jr | SEVP & Head Commercial Banking | 500 | 2026-07-22 |
| HEQ John Hancock Diversified Income Fund | $3.5K | Bacic William K | Insider | 308 | 2026-07-22 |
| JCTC Jewett Cameron Trading Co Ltd | $3.3K | AJB Investment Fund II, LP | 10% owner | 1,350 | 2026-07-22 |
| RDGL Vivos Inc | $3.0K | Weeks Brad Allan | President | 60,000 | 2026-07-22 |
| SWZ Total Return Securities Fund | $2.8K | Sell Moritz A | Director | 483 | 2026-07-22 |
| RCG RENN Fund, Inc. | $2.3K | Horizon Kinetics Asset Management Llc | 10% owner | 756 | 2026-07-22 |
| RDGL Vivos Inc | $1.6K | Weeks Brad Allan | President | 32,000 | 2026-07-22 |
| CLBK Columbia Financial, Inc./MD/ | $1.0K | Rinaldi Mayra Liseth | EVP, Corp Governance & Culture | 100 | 2026-07-22 |
| CIK 1885551 | $638 | Monte Mark David | Director | 63 | 2026-07-22 |
| CLBK Columbia Financial, Inc./MD/ | $500 | Rinaldi Mayra Liseth | EVP, Corp Governance & Culture | 50 | 2026-07-22 |
| CIK 1777677 | $500 | Booth Richard Whitaker | Insider | 41 | 2026-07-22 |
| TPL Texas Pacific Land Corp | $413 | Horizon Kinetics Asset Management Llc | 10% owner | 1 | 2026-07-22 |
| CIK 1777677 | $362 | Monte Mark David | Director | 30 | 2026-07-22 |
| CLBK Columbia Financial, Inc./MD/ | $300 | Rinaldi Mayra Liseth | EVP, Corp Governance & Culture | 30 | 2026-07-22 |
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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