Insider trading recap: August 13, 2026
On August 13, 2026, insiders filed 61 open-market purchases worth $45.9M across 45 companies, and 177 sales worth $949.3M, on SEC Form 4. The largest purchase was Huang Jack Jiajia (Chief Executive Officer, Director, 10% Owner) buying $11.8M of 51Talk Online Education Group (COE) at an average $19.93 a share. The largest sale was Ignition Acquisition Holdings LP (10% Owner) selling $274.9M of OPENLANE, Inc. (OPLN). 9 companies had several insiders buying on the same day: Attovia Therapeutics, Inc. (ATTO), Chiron Real Estate Inc. (XRN), Amrize Ltd (AMRZ).
Biggest insider buys filed August 13, 2026
Open-market purchases, one row per Form 4, largest first.
| Company | Insider | Value | Shares | Avg price | Traded |
|---|---|---|---|---|---|
| COE 51Talk Online Education Group | Huang Jack Jiajia Chief Executive Officer, Director, 10% Owner · 10b5-1 | $11.8M | 592,320 | $19.93 | Aug 11, 2026 |
| ATTO Attovia Therapeutics, Inc. | Walsh Colin Director | $10.3M | 585,000 | $17.58 | Aug 5, 2026 |
| ATTO Attovia Therapeutics, Inc. | Goldman Sachs Group INC Former 10% Owner | $10.3M | 585,000 | $17.58 | Aug 5, 2026 |
| TXO TXO Partners, L.P. | Simpson Bob R Director, 10% Owner | $2.2M | 150,000 | $14.34 | Aug 12, 2026 |
| DFH Dream Finders Homes, Inc. | Beckwitt Richard Director | $1.3M | 90,000 | $14.05 | Aug 11, 2026 |
| MBGL Mobility Global Inc. | Peek Mark S Director | $981K | 50,000 | $19.61 | Aug 11, 2026 |
| TNC TENNANT CO | Mulligan Donal L Director | $539K | 8,000 | $67.34 | Aug 12, 2026 |
| XRN Chiron Real Estate Inc. | Fitzgerald Charles Director | $501K | 14,000 | $35.78 | Aug 11, 2026 |
| N Crestline Lending Solutions, LLC | Diehl Bowen S Director | $500K | 25,477 | $19.63 | Jul 24, 2026 |
| XRN Chiron Real Estate Inc. | Roseth Aaron Robert COO, Director | $496K | 13,500 | $36.73 | Aug 12, 2026 |
| LILA Liberty Latin America Ltd. | Malone John C 10% Owner, Director Emeritus | $431K | 50,696 | $8.50 | Aug 11, 2026 |
| OPFI OppFi Inc. | Schwartz Todd G. Chief Executive Officer, Director, 10% Owner | $428K | 60,000 | $7.13 | Aug 13, 2026 |
| CEG Constellation Energy Corp | Crandall Roger W Director | $418K | 1,500 | $278.62 | Aug 11, 2026 |
| CODI Compass Diversified Holdings | Sawtelle Zachary T. See Remark (a) | $387K | 32,000 | $12.09 | Aug 12, 2026 |
| BDSX BIODESIX INC | Schuler Jack W 10% Owner, Emeritus Director | $367K | 15,000 | $24.47 | Aug 12, 2026 |
Several insiders buying the same stock
Companies where two or more insiders filed purchases this day. All cluster buys.
| Company | Insiders | Value |
|---|---|---|
| ATTO Attovia Therapeutics, Inc. | 2 | $20.6M |
| XRN Chiron Real Estate Inc. | 3 | $1.3M |
| AMRZ Amrize Ltd | 5 | $839K |
| LILA Liberty Latin America Ltd. | 2 | $796K |
| TNC TENNANT CO | 2 | $641K |
| EMBC Embecta Corp. | 4 | $558K |
| CODI Compass Diversified Holdings | 2 | $507K |
| SUNS Sunrise Realty Trust, Inc. | 2 | $157K |
| CC Chemours Co | 2 | $81K |
Biggest insider sales filed August 13, 2026
Selling has many routine reasons (taxes, diversification, planned 10b5-1 sales), so read these as context.
| Company | Insider | Value | Shares | Avg price | Traded |
|---|---|---|---|---|---|
| OPLN OPENLANE, Inc. | Ignition Acquisition Holdings LP 10% Owner | $274.9M | 8,000,000 | $34.36 | Aug 13, 2026 |
| SE Sea Ltd | Li Xiaodong Chairman and CEO, Director · 10b5-1 | $137.3M | 1,057,650 | $129.80 | Aug 11, 2026 |
| KVYO Klaviyo, Inc. | Summit Partners L P 10% Owner | $88.5M | 5,000,000 | $17.71 | Aug 11, 2026 |
| CHYM Chime Financial, Inc. | DST Global Advisors Ltd 10% Owner | $33.4M | 1,041,325 | $32.11 | Aug 11, 2026 |
| CHYM Chime Financial, Inc. | DST Global Advisors Ltd 10% Owner | $33.4M | 1,041,325 | $32.11 | Aug 11, 2026 |
| CRWV CoreWeave, Inc. | Intrator Michael N CEO and President, Director, 10% Owner · 10b5-1 | $27.4M | 307,692 | $89.18 | Aug 11, 2026 |
| PBF PBF Energy Inc. | Control Empresarial de Capitales S.A. de C.V. 10% Owner, Add'l Rep. Persons-see Ex.99-1 | $25.7M | 370,375 | $69.27 | Aug 11, 2026 |
| P Everpure, Inc. | Colgrove John Chief Visionary Officer, Director · 10b5-1 | $21.6M | 200,000 | $107.93 | Aug 11, 2026 |
| AIG AMERICAN INTERNATIONAL GROUP, INC. | Zaffino Peter Executive Chair, Director · 10b5-1 | $18.1M | 236,829 | $76.42 | Aug 12, 2026 |
| PBF PBF Energy Inc. | Nimbley Thomas J. Director | $17.6M | 260,063 | $67.84 | Aug 11, 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.