Insider trading recap: August 18, 2026
On August 18, 2026, insiders filed 62 open-market purchases worth $134.4M across 51 companies, and 286 sales worth $574.0M, on SEC Form 4. The largest purchase was Cascade Investment, L.L.C. (10% Owner) buying $76.6M of REPUBLIC SERVICES, INC. (RSG) at an average $215.26 a share. The largest sale was Wirth Michael K (Chairman and CEO, Director) selling $63.6M of CHEVRON CORP (CVX). 6 companies had several insiders buying on the same day: Verrica Pharmaceuticals Inc. (VRCA), NEONC TECHNOLOGIES HOLDINGS, INC. (NTHI), Evolv Technologies Holdings, Inc. (EVLV).
Biggest insider buys filed August 18, 2026
Open-market purchases, one row per Form 4, largest first.
| Company | Insider | Value | Shares | Avg price | Traded |
|---|---|---|---|---|---|
| RSG REPUBLIC SERVICES, INC. | Cascade Investment, L.L.C. 10% Owner | $76.6M | 356,050 | $215.26 | Aug 14, 2026 |
| MPLT MapLight Therapeutics, Inc. | Catalyst4, Inc. 10% Owner | $50.1M | 4,400,000 | $11.38 | Aug 14, 2026 |
| AB-LEND AB Private Lending Fund | PM Alpha II DAC 10% Owner | $1.3M | 53,060 | $24.99 | Mar 2, 2026 |
| AUGO Aura Minerals Inc. | Sousa Mauad Bruno Director | $868K | 11,000 | $78.93 | Aug 17, 2026 |
| CODI Compass Diversified Holdings | Richter Glenn R See Remarks (a) | $500K | 38,051 | $13.14 | Aug 14, 2026 |
| FTI TechnipFMC plc | Mullins Eric D. Director | $500K | 6,365 | $78.55 | Aug 14, 2026 |
| ASND Ascendis Pharma A/S | Bienaime Jean Jacques Director | $493K | 2,000 | $246.33 | Aug 14, 2026 |
| BGDE Big Digital Energy, Inc. | Endeavor Blockchain, LLC 10% Owner, SEE REMARKS | $475K | 69,690 | $6.82 | Aug 14, 2026 |
| ENSC Ensysce Biosciences, Inc. | Gower Bob G Director | $444K | 908,614 | $0.49 | Apr 23, 2026 |
| CDNL Cardinal Infrastructure Group Inc. | Wimmer Richard Bennett Director | $293K | 7,500 | $39.13 | Aug 17, 2026 |
| REZI RESIDEO TECHNOLOGIES, INC. | Mehta Amit Ashvin SVP, Strategy & Business Ops | $226K | 10,928 | $20.68 | Aug 17, 2026 |
| FRPH FRP HOLDINGS, INC. | Baker John D II Director, 10% Owner · 10b5-1 | $201K | 9,146 | $21.97 | Aug 17, 2026 |
| ASST Strive, Inc. | Rochard Pierre Director | $199K | 15,900 | $12.54 | Aug 14, 2026 |
| EQPT EquipmentShare.com Inc | Schlacks William J. Founder & President, Director, Member of 10% owner group | $183K | 8,950 | $20.43 | Aug 14, 2026 |
| ECG Everus Construction Group, Inc. | Sparby David M Director | $145K | 1,000 | $144.95 | Aug 17, 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 18, 2026
Selling has many routine reasons (taxes, diversification, planned 10b5-1 sales), so read these as context.
| Company | Insider | Value | Shares | Avg price | Traded |
|---|---|---|---|---|---|
| CVX CHEVRON CORP | Wirth Michael K Chairman and CEO, Director | $63.6M | 317,100 | $200.46 | Aug 14, 2026 |
| MXL MAXLINEAR, INC | Seendripu Kishore Chairman, President and CEO, Director, 10% Owner | $50.4M | 591,454 | $85.27 | Aug 14, 2026 |
| EQPT EquipmentShare.com Inc | Chheda Neil 10% Owner | $26.7M | 1,296,408 | $20.62 | Aug 14, 2026 |
| WRLD WORLD ACCEPTANCE CORP | Prescott General Partners LLC 10% Owner, Member of Section 13(d) Group | $25.0M | 133,199 | $187.69 | Aug 14, 2026 |
| ROIV Roivant Sciences Ltd. | Sukhatme Mayukh President & CIO, Director | $24.2M | 664,826 | $36.34 | Aug 14, 2026 |
| EQPT EquipmentShare.com Inc | Chheda Neil 10% Owner | $18.7M | 904,624 | $20.62 | Aug 14, 2026 |
| RDDT Reddit, Inc. | Wong Jennifer L. Chief Operating Officer · 10b5-1 | $13.4M | 75,000 | $178.55 | Aug 14, 2026 |
| NBIS Nebius Group N.V. | Ryan Charles E Director · 10b5-1 | $13.3M | 50,000 | $265.53 | Aug 14, 2026 |
| CHEF Chefs' Warehouse, Inc. | Pappas Christopher President and CEO, Director | $11.0M | 100,000 | $110.11 | Aug 14, 2026 |
| CBRS Cerebras Systems Inc. | Vassallo Steven Director | $10.9M | 50,000 | $218.18 | Aug 14, 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.