Insider trading recap: September 18, 2026
On September 18, 2026, insiders filed 34 open-market purchases worth $30.9M across 31 companies, and 136 sales worth $311.3M, on SEC Form 4. The largest purchase was Nippon Life Insurance Co (10% Owner) buying $11.2M of Corebridge Financial, Inc. (CRBG) at an average $35.02 a share. The largest sale was Silver Lake Partners IV, L.P. (Director, 10% Owner) selling $32.3M of Dell Technologies Inc. (DELL). 2 companies had several insiders buying on the same day: Karman Holdings Inc. (KRMN), GENERAL AMERICAN INVESTORS CO INC (GAM).
The write-up, company by company: insider buying on September 18, 2026 · insider selling on September 18, 2026.
Biggest insider buys filed September 18, 2026
Open-market purchases, one row per Form 4, largest first.
| Company | Insider | Value | Shares | Avg price | Traded |
|---|---|---|---|---|---|
| CRBG Corebridge Financial, Inc. | Nippon Life Insurance Co 10% Owner · 10b5-1 | $11.2M | 320,785 | $35.02 | Sep 16, 2026 |
| — 5C Lending Partners Corp. | LIBERTY MUTUAL HOLDING Co INC. 10% Owner | $9.8M | 398,774 | $24.48 | Sep 17, 2026 |
| CV CapsoVision, Inc | Shen Ching Hang 10% Owner | $5.0M | 878,734 | $5.69 | Sep 15, 2026 |
| TFC TRUIST FINANCIAL CORP | Lyons Michael P. President & CEO, Director | $1.0M | 21,000 | $48.36 | Sep 17, 2026 |
| KRMN Karman Holdings Inc. | Stinnett David Director | $1.0M | 27,000 | $37.32 | Sep 16, 2026 |
| LILA Liberty Latin America Ltd. | Malone John C 10% Owner, Director Emeritus | $758K | 37,082 | $20.43 | Sep 16, 2026 |
| BORR Borr Drilling Ltd | Troim Tor Olav Director | $657K | 150,000 | $4.38 | Sep 17, 2026 |
| BPRE Bluerock Private Real Estate Fund | MacDonald Ryan S Trustee | $248K | 20,745 | $11.96 | Sep 14, 2026 |
| ELOG Eastern International Ltd. | Wong Albert Chief Executive Officer, Director, 10% Owner | $200K | 200,000 | $1.00 | Aug 27, 2026 |
| THM INTERNATIONAL TOWER HILL MINES LTD | Wiens David Victor Chief Executive Officer, Director | $200K | 83,682 | $2.39 | Sep 16, 2026 |
| TH Target Hospitality Corp. | Schrenk Troy C. Chief Commercial Officer | $125K | 5,907 | $21.16 | Sep 18, 2026 |
| GAM GENERAL AMERICAN INVESTORS CO INC | Priest Jeffrey W President & CEO | $94K | 4,000 | $23.46 | Sep 18, 2026 |
| TELA TELA Bio, Inc. | Capper Joseph H Director | $89K | 75,000 | $1.18 | Sep 16, 2026 |
| AFCG Advanced Flower Capital Inc. | Tannenbaum Leonard M Director, 10% Owner | $88K | 25,000 | $3.50 | Sep 17, 2026 |
| GAM GENERAL AMERICAN INVESTORS CO INC | Jin Samantha X. Treasurer/PAO/PFO | $71K | 3,000 | $23.68 | Sep 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 September 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 |
|---|---|---|---|---|---|
| DELL Dell Technologies Inc. | Silver Lake Partners IV, L.P. Director, 10% Owner | $32.3M | 56,794 | $567.89 | Sep 16, 2026 |
| ADBE ADOBE INC. | Narayen Shantanu Chair and CEO, Director | $31.3M | 125,000 | $250.76 | Sep 16, 2026 |
| BBY BEST BUY CO INC | Schulze Richard M Chairman Emeritus | $27.8M | 300,000 | $92.51 | Sep 16, 2026 |
| DELL Dell Technologies Inc. | Sl Spv-2, L.P. Director, 10% Owner | $26.7M | 46,994 | $567.88 | Sep 16, 2026 |
| STNG Scorpio Tankers Inc. | Bugbee Robert L President, Director | $22.2M | 256,799 | $86.28 | Sep 16, 2026 |
| TEM Tempus AI, Inc. | Lefkofsky Eric P CEO and Chairman, Director, 10% Owner · 10b5-1 | $16.1M | 200,000 | $80.57 | Sep 17, 2026 |
| DELL Dell Technologies Inc. | Silver Lake Partners V DE (AIV), L.P. Director, 10% Owner | $15.3M | 26,985 | $567.88 | Sep 16, 2026 |
| BX Blackstone Inc. | Baratta Joseph Director | $12.4M | 100,000 | $123.80 | Sep 18, 2026 |
| STNG Scorpio Tankers Inc. | Mackey Cameron Keyser Chief Operating Officer | $11.1M | 125,000 | $89.03 | Sep 17, 2026 |
| GRND Grindr Inc. | Zage George Raymond III Director, 10% Owner · 10b5-1 | $7.8M | 500,000 | $15.55 | Sep 16, 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.