Insider trading recap: August 19, 2026
On August 19, 2026, insiders filed 62 open-market purchases worth $28.0M across 53 companies, and 271 sales worth $1.0B, on SEC Form 4. The largest purchase was Walters Group (10% Owner) buying $15.2M of Zentalis Pharmaceuticals, Inc. (ZNTL) at an average $3.50 a share. The largest sale was Uber Technologies, Inc (10% Owner) selling $471.6M of Aurora Innovation, Inc. (AUR). 7 companies had several insiders buying on the same day: CCH Holdings Ltd (CCHH), Chicago Atlantic BDC, Inc. (LIEN), Chicago Atlantic Real Estate Finance, Inc. (REFI).
Biggest insider buys filed August 19, 2026
Open-market purchases, one row per Form 4, largest first.
| Company | Insider | Value | Shares | Avg price | Traded |
|---|---|---|---|---|---|
| ZNTL Zentalis Pharmaceuticals, Inc. | Walters Group 10% Owner | $15.2M | 4,335,000 | $3.50 | Aug 14, 2026 |
| BKKT Bakkt, Inc. | Alfred Michael Director | $2.1M | 296,567 | $7.12 | Aug 18, 2026 |
| CCHH CCH Holdings Ltd | Goh Kok E Chairman and CEO and COO, Director | $1.4M | 5,220,000 | $0.28 | Jul 24, 2026 |
| AAT American Assets Trust, Inc. | Rady Ernest S Executive Chairman, Director, 10% Owner | $1.4M | 63,586 | $22.59 | Aug 17, 2026 |
| ATXG ADDENTAX GROUP CORP. | Hong Zhiwang Director, 10% Owner | $1.1M | 218,750 | $4.80 | Aug 18, 2026 |
| QVCG QVC Group, Inc. | Goldentree Asset Management LP 10% Owner | $682K | 44,942 | $15.18 | Aug 17, 2026 |
| LIEN Chicago Atlantic BDC, Inc. | Mazarakis John 10% Owner | $566K | 60,000 | $9.44 | Aug 17, 2026 |
| MFP Midera Food Processing, Inc. | Nerbonne Robert A Director | $491K | 10,900 | $45.05 | Aug 17, 2026 |
| REFI Chicago Atlantic Real Estate Finance, Inc. | Cappell Anthony Co-Chief Executive Officer, Director | $468K | 45,000 | $10.41 | Aug 17, 2026 |
| GLPI Gaming & Leisure Properties, Inc. | Shanks Earl C Director | $422K | 10,000 | $42.24 | Aug 18, 2026 |
| LIEN Chicago Atlantic BDC, Inc. | Gordon Scott Co-Chief Investment Officer, Director | $421K | 44,084 | $9.55 | Aug 17, 2026 |
| DGICA DONEGAL GROUP INC | Donegal Mutual Insurance Co 10% Owner | $371K | 20,000 | $18.56 | Aug 17, 2026 |
| NATR NATURES SUNSHINE PRODUCTS INC | Prescott Group Capital Management, L.L.C. 10% Owner | $294K | 20,000 | $14.69 | Aug 17, 2026 |
| UTGN UTG INC | First Southern Funding LLC 10% Owner | $284K | 4,808 | $59.00 | Aug 18, 2026 |
| UTGN UTG INC | Correll Jesse T Chairman & CEO, Director, 10% Owner | $284K | 4,808 | $59.00 | Aug 18, 2026 |
Several insiders buying the same stock
Companies where two or more insiders filed purchases this day. All cluster buys.
Biggest insider sales filed August 19, 2026
Selling has many routine reasons (taxes, diversification, planned 10b5-1 sales), so read these as context.
| Company | Insider | Value | Shares | Avg price | Traded |
|---|---|---|---|---|---|
| AUR Aurora Innovation, Inc. | Uber Technologies, Inc 10% Owner | $471.6M | 72,000,000 | $6.55 | Aug 17, 2026 |
| ALAB Astera Labs, Inc. | Gajendra Sanjay President and COO, Director | $30.8M | 90,630 | $340.35 | Aug 17, 2026 |
| ALAB Astera Labs, Inc. | Mohan Jitendra Chief Executive Officer, Director | $30.8M | 90,630 | $340.35 | Aug 17, 2026 |
| PBF PBF Energy Inc. | Nimbley Thomas J. Director | $25.4M | 341,008 | $74.42 | Aug 17, 2026 |
| PATH UiPath, Inc. | Dines Daniel CEO and Chairman, Director, 10% Owner · 10b5-1 | $22.5M | 1,402,347 | $16.07 | Aug 19, 2026 |
| SHC Sotera Health Co | Petras Michael B. Jr. Executive Chairman, Director | $21.2M | 1,144,515 | $18.50 | Aug 17, 2026 |
| CRWV CoreWeave, Inc. | McBee Brannin Chief Development Officer · 10b5-1 | $20.6M | 194,000 | $106.08 | Aug 17, 2026 |
| AUR Aurora Innovation, Inc. | Volpi Michelangelo Director | $19.9M | 2,842,682 | $7.00 | Aug 17, 2026 |
| CBRS Cerebras Systems Inc. | Vishria Eric Director · 10b5-1 | $15.7M | 68,268 | $229.77 | Aug 17, 2026 |
| ADPT Adaptive Biotechnologies Corp | Robins Chad M CEO and Chairman, Director | $14.9M | 600,000 | $24.80 | Aug 17, 2026 |
Grouped by the day the Form 4 reached SEC EDGAR. Values are shares times the reported price; a price far from the market close is treated as a typo and left out. Not investment advice.