Insider trading recap: September 28, 2026
On September 28, 2026, insiders filed 38 open-market purchases worth $48.5M across 34 companies, and 59 sales worth $414.4M, on SEC Form 4. The largest purchase was Conifer Management, L.L.C. (10% Owner) buying $31.5M of GROUP 1 AUTOMOTIVE INC (GPI) at an average $249.62 a share. The largest sale was Sijbrandij Sytse (Director) selling $101.1M of Gitlab Inc. (GTLB) under a 10b5-1 plan. 2 companies had several insiders buying on the same day: Anixa Biosciences Inc (ANIX), Finward Bancorp (FNWD).
The write-up, company by company: insider buying on September 28, 2026 · insider selling on September 28, 2026.
Biggest insider buys filed September 28, 2026
Open-market purchases, one row per Form 4, largest first.
| Company | Insider | Value | Shares | Avg price | Traded |
|---|---|---|---|---|---|
| GPI GROUP 1 AUTOMOTIVE INC | Conifer Management, L.L.C. 10% Owner | $31.5M | 126,288 | $249.62 | Sep 24, 2026 |
| CRBG Corebridge Financial, Inc. | Nippon Life Insurance Co 10% Owner · 10b5-1 | $8.8M | 258,878 | $33.85 | Sep 24, 2026 |
| LLYVK Liberty Live Holdings, Inc. | Malone John C 10% Owner | $2.9M | 28,333 | $102.53 | Sep 24, 2026 |
| QVCG QVC Group, Inc. | Goldentree Asset Management LP 10% Owner | $1.1M | 80,000 | $14.35 | Sep 24, 2026 |
| INBX Inhibrx Biosciences, Inc. | Lappe Mark Chief Executive Officer, Director | $999K | 10,000 | $99.88 | Sep 25, 2026 |
| HDSN HUDSON TECHNOLOGIES INC /NY | Hartree Partners, LP 10% Owner | $604K | 118,549 | $5.10 | Sep 24, 2026 |
| LILA Liberty Latin America Ltd. | Malone John C 10% Owner, Director Emeritus | $459K | 22,442 | $20.44 | Sep 24, 2026 |
| INR INFINITY NATURAL RESOURCES, INC. | Baetz Cary D EVP and CFO | $300K | 22,316 | $13.44 | Sep 24, 2026 |
| AOMR Angel Oak Mortgage REIT, Inc. | Fierman Michael Director, 10% Owner | $291K | 38,726 | $7.50 | Sep 25, 2026 |
| ACOG Alpha Cognition Inc. | Opaleye Management Inc. 10% Owner | $271K | 31,763 | $8.53 | Sep 24, 2026 |
| DMRA Damora Therapeutics, Inc. | Jarrett Jennifer Director, President and CEO, Director | $253K | 12,500 | $20.23 | Sep 25, 2026 |
| ZUMZ Zumiez Inc | Ellis Adam Christopher President International | $134K | 10,000 | $13.40 | Sep 18, 2026 |
| FTHY FIRST TRUST HIGH YIELD OPPORTUNITIES 2027 TERM FUND | Mcgarel David Officer-Investment Adviser | $129K | 10,000 | $12.92 | Sep 25, 2026 |
| GPUS Hyperscale Data, Inc. | Ault Milton C III Executive Chairman, Director, 10% Owner | $117K | 689,600 | $0.17 | Sep 24, 2026 |
| AFCG Advanced Flower Capital Inc. | Tannenbaum Leonard M Director, 10% Owner | $88K | 25,228 | $3.50 | Sep 24, 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 28, 2026
Selling has many routine reasons (taxes, diversification, planned 10b5-1 sales), so read these as context.
| Company | Insider | Value | Shares | Avg price | Traded |
|---|---|---|---|---|---|
| GTLB Gitlab Inc. | Sijbrandij Sytse Director · 10b5-1 | $101.1M | 2,116,200 | $47.77 | Sep 24, 2026 |
| INNV InnovAge Holding Corp. | Tco Group Holdings, L.P. 10% Owner | $92.5M | 10,000,000 | $9.25 | Sep 24, 2026 |
| INNV InnovAge Holding Corp. | Ignite Aggregator LP 10% Owner | $92.5M | 10,000,000 | $9.25 | Sep 24, 2026 |
| CBRS Cerebras Systems Inc. | Lie Sean Chief Technology Officer · 10b5-1 | $25.1M | 120,000 | $208.97 | Sep 25, 2026 |
| META Meta Platforms, Inc. | Zuckerberg Mark COB and CEO, Director, 10% Owner · 10b5-1 | $21.4M | 27,474 | $777.44 | Sep 24, 2026 |
| PANW Palo Alto Networks Inc | Golechha Dipak EVP, Chief Financial Officer · 10b5-1 | $10.8M | 27,500 | $391.61 | Sep 24, 2026 |
| NTAP NetApp, Inc. | Kurian George CEO, Director · 10b5-1 | $7.4M | 37,000 | $199.95 | Sep 24, 2026 |
| DUOL Duolingo, Inc. | von Ahn Luis President & CEO, Co-Founder, Director, 10% Owner · 10b5-1 | $7.0M | 46,682 | $150.63 | Sep 24, 2026 |
| BNTX BioNTech SE | Sahin Ugur Chief Executive Officer, 10% Owner · 10b5-1 | $6.0M | 61,000 | $98.57 | Sep 25, 2026 |
| P Everpure, Inc. | Singh Ajay Chief Product Officer | $5.3M | 42,930 | $124.17 | Sep 24, 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.