Insider buying report — Monday, October 26, 2026: 37 open-market buys worth $41.5M
On Monday, October 26, 2026 the SEC published 37 open-market insider purchases worth $41.5M across 33 companies, against 14 insider sales of $1M or more worth $56.4M. By dollar value the selling outweighed the buying, which is the usual state of affairs — executives at large companies sell on schedule, and buy only on purpose.
The largest purchase
Conifer Management, L.L.C. (10% owner) at GROUP 1 AUTOMOTIVE INC (GPI) filed the day's largest purchase: 100,000 shares at $242.32, $24.2M in total, transacted on Oct 22, 2026 and filed Oct 26, 2026. What makes it notable: the stock was at least 25% below its recent high when they bought.
Behind it: Life Insurance Co Nippon at CRBG ($8.7M), Ramin Kamfar at BPRE ($2.1M), William P Scully at PRTA ($1.2M).
Top ten insider buys
| Filed | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-10-26 | Conifer Management, L.L.C.dip 10% owner | GPI GROUP 1 AUTOMOTIVE INC | Bought | 100,000 | $242.32 | $24.2M |
| 2026-10-26 | Life Insurance Co Nippon 10% owner | CRBG Corebridge Financial, Inc. | Bought | 246,440 | $35.15 | $8.7M |
| 2026-10-26 | Ramin Kamfarclusterdip Director | BPRE Bluerock Private Real Estate Fund | Bought | 170,320 | $12.48 | $2.1M |
| 2026-10-26 | William P Scullydip 10% owner | PRTA PROTHENA CORP PUBLIC LTD CO | Bought | 150,000 | $8.15 | $1.2M |
| 2026-10-26 | Dark Mirage, LPdip 10% owner | OPTU Optimum Communications, Inc. | Bought | 2,228,007 | $0.52 | $1.2M |
| 2026-10-26 | Lynx1 Capital Management LPdiplargest ever 10% owner | KRRO Korro Bio, Inc. | Bought | 79,809 | $11.09 | $885k |
| 2026-10-26 | Paul Anthony Mascarenasfirst buydip Director | THRM Gentherm Inc | Bought | 20,000 | $26.63 | $533k |
| 2026-10-26 | BoltRock Holdings LLCfirst buydip Director · 10% owner | CITR CitroTech Inc. | Bought | 200,000 | $2.50 | $500k |
| 2026-10-26 | Saba Capital Management, L.P. 10% owner | LEO BNY MELLON STRATEGIC MUNICIPALS, INC. | Bought | 65,000 | $5.68 | $369k |
| 2026-10-26 | Edward A Muledip Director · 10% owner | MSC STUDIO CITY INTERNATIONAL HOLDINGS Ltd | Bought | 407,000 | $0.81 | $332k |
Showing 10 of 37 open-market purchases filed on 2026-10-26. The full list, sortable and filterable by role and size, is in the members Filings Browser; the same rows are available as JSON through the API.
Signals in the day's buying
Of the purchases filed: 5 purchases by a chief executive (AIM, CTTH, DLPN, THRM, UXIN); 5 that belong to an active cluster (ANIX, BPRE, STC); 14 first-ever purchases by the insider; 25 bought at least 25% below the recent high. These are the flags the members area scores on — a CFO buying with their own money has historically been the strongest single-insider signal, and a cluster of three or more buyers the strongest of all. The cluster guide explains the scoring.
GPI — two years of insider activity on the price
CRBG — two years of insider activity on the price
BPRE — two years of insider activity on the price
Largest insider sales ($1M and up)
| Filed | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-10-26 | Gary S Guthart Director | ISRG INTUITIVE SURGICAL INC | Sold | 20,095 | $451.61 | $9.1M |
| 2026-10-26 | James C Foster Director | CRL CHARLES RIVER LABORATORIES INTERNATIONAL | Sold | 24,042 | $350.00 | $8.4M |
| 2026-10-26 | Kim Vyacheslav Director | KSPI Joint Stock Co Kaspi.kz | Sold | 82,629 | $91.16 | $7.5M |
| 2026-10-26 | Timothy Archer President and CEO | LRCX LAM RESEARCH CORP | Sold | 31,400 | $227.02 | $7.1M |
| 2026-10-26 | Jejurikar Shailesh Chairman, President and CEO | PG PROCTER & GAMBLE Co | Sold | 35,000 | $163.09 | $5.7M |
The largest sale was Gary S Guthart at INTUITIVE SURGICAL INC (ISRG), $9.1M. Sales are shown from $1M upward only; below that they are overwhelmingly scheduled 10b5-1 plans and tax-driven, and listing them would bury the signal.
Context: the market-wide picture
For the week starting Oct 19, 2026, 30% of open-market insider filings across the whole market were buys (149 buys against 349 sales). The long-run average sits near a third, because insiders buy for one reason and sell for many. The full weekly series since 2019 is on the insider sentiment index.
Questions this post answers
Which insiders bought stock on Oct 26, 2026?
37 open-market purchases were filed with the SEC on Oct 26, 2026, worth $41.5M across 33 companies. The largest was Conifer Management, L.L.C. at GROUP 1 AUTOMOTIVE INC (GPI), $24.2M. The ten largest are listed above.
Were insiders net buyers or net sellers on Oct 26, 2026?
By dollar value, sellers: $41.5M bought against $56.4M in sales of $1M or more. Selling normally dominates because executives sell on pre-set schedules; what matters is the buying, which is voluntary.
What counts as an insider buy here?
Only Form 4 transactions with code P — an open-market purchase paid for with the insider's own money. Grants (A), option exercises (M) and shares withheld for tax (F) are excluded, because they follow vesting schedules set years earlier and say nothing about what the insider thinks of the price.
How current is this?
The SEC publishes Form 4 filings through about 10 pm Eastern each business day. This report covers everything published on Oct 26, 2026 and was generated early the next morning from the same data the members area uses.