Insider Buying on October 26, 2026: GPI, CRBG and BPRE Lead $42.0M of Purchases

Company insiders filed 37 open-market purchases worth $42.0M with the SEC on October 26, 2026, across 33 companies. 6 purchases came from a chief executive or financial officer. THRM, STC and GROW had more than one insider buying. Below are the largest, with what each insider owns now, how the stock has moved since, and each company's insider trading over the past 90 days.

The 15 largest insider purchases filed Oct 26

Unscheduled purchases

The largest buys made outside Rule 10b5-1 plans by officers and directors rather than 10% owners: insiders choosing to put in their own money.

• Kamfar Ramin (Director) at BPRE bought 170,320 shares at $12.48 ($2.1M), raising their holding 6.3%.
• Abrahams Riad M (Chief Executive Officer, Director) at Blackstone Multi-Strategy Hedge Fund L.P. bought 31,213 shares at $25.47 ($795K).
• Mascarenas Paul Anthony (Director) at THRM bought 20,000 shares at $26.63 ($533K), raising their holding 747%.
• Presley William T. (President & CEO, Director) at THRM bought 5,000 shares at $26.00 ($130K), raising their holding 2.8%.
• Hollister Thomas J (Director) at BBT bought 3,450 shares at $30.43 ($105K), raising their holding 14%.
• Apel Thomas G (Director) at STC bought 2,000 shares at $47.73 ($95K), raising their holding 4.5%.
• Bradley C Allen Jr (Director) at STC bought 2,000 shares at $47.30 ($95K), raising their holding 8.0%.
• Corey William S. Jr. (Director) at STC bought 2,000 shares at $46.82 ($94K), raising their holding 17%.

Dip buys

Purchases made at least 20% below the stock's 90-day high.

• Conifer Management, L.L.C. (10% Owner) at GPI bought 100,000 shares at $242.32 ($24.2M), raising their holding 5.2%, 32% below the 90-day high.
• Subin Neil S (10% Owner) at OPTU bought 2,228,007 shares at $0.5222 ($1.2M), raising their holding 11%, 54% below the 90-day high.
• Lynx1 Capital Management LP (10% Owner) at KRRO bought 79,809 shares at $11.09 ($885K), raising their holding 5.2%, 21% below the 90-day high.
• Mascarenas Paul Anthony (Director) at THRM bought 20,000 shares at $26.63 ($533K), raising their holding 747%, 39% below the 90-day high.
• Huff Craig A (Director, 10% Owner) at CITR bought 200,000 shares at $2.50 ($500K), raising their holding 6.0%, 64% below the 90-day high.
• Opaleye Management Inc. (10% Owner) at GRCE bought 87,801 shares at $1.81 ($159K), raising their holding 3.0%, 22% below the 90-day high.

Biggest stake increases

The purchases that grew an insider's holding the most, in percent.

• Mascarenas Paul Anthony (Director) at THRM bought 20,000 shares at $26.63 ($533K), raising their holding 747%.
• Equels Thomas K (CEO & President, Director) at AIM bought 31,675 shares at $0.1600 ($5K), raising their holding 20%.
• Stewart Pamela C (Director) at BY bought 1,160 shares at $38.61 ($45K), raising their holding 18%.
• Corey William S. Jr. (Director) at STC bought 2,000 shares at $46.82 ($94K), raising their holding 17%.
• Scully William P (10% Owner) at PRTA bought 150,000 shares at $8.15 ($1.2M), raising their holding 14%.
• Hollister Thomas J (Director) at BBT bought 3,450 shares at $30.43 ($105K), raising their holding 14%.

Group 1 Automotive Inc (GPI)

Conifer Management, L.L.C. (10% Owner) bought 100,000 shares starting Oct 22 at an average $242.32, about $24.2M. That raised their holding 5.2% to 2,012,290 shares. They bought 32% below the stock's 90-day high. Read the Form 4.

GPI last closed at $259.97 on Oct 29, +7.3% from the average purchase price. Since Aug 1, Group 1 Automotive Inc insiders filed 7 open-market purchases ($211.5M) and 0 sales ($0). 12 13F filers hold GPI among their 50 largest positions, including Greg Alexander and Ruane Cunniff LP.

See every GPI insider trade and which funds own GPI.

Corebridge Financial, Inc. (CRBG)

Nippon Life Insurance Co (10% Owner) bought 246,440 shares starting Oct 22 at an average $35.15, about $8.7M. That raised their holding 0.2% to 130,667,106 shares. The trade was made under a Rule 10b5-1 plan set up in advance. Read the Form 4.

CRBG last closed at $35.29 on Oct 29, +0.4% from the average purchase price. Since Aug 1, Corebridge Financial, Inc. insiders filed 31 open-market purchases ($298.0M) and 4 sales ($492.1M). 21 13F filers hold CRBG among their 50 largest positions, including Richard Pzena and Bill Nygren.

Who traded CRBG since Aug 1:

• Argon Holdco LLC (10% Owner): 1 sale of 14,500,000 shares, about $491.1M
• Nippon Life Insurance Co (10% Owner): 31 purchases of 8,677,579 shares, about $298.0M
• Ditillo David (Chief Information Officer): 2 sales of 21,150 shares, about $728K
• Cropper Elizabeth B (EVP & Chief Human Res. Officer): 1 sale of 7,745 shares, about $256K

See every CRBG insider trade and which funds own CRBG.

Bluerock Private Real Estate Fund (BPRE)

Kamfar Ramin (Director) bought 170,320 shares starting Oct 22 at an average $12.48, about $2.1M. That raised their holding 6.3% to 2,890,743 shares. Read the Form 4.

BPRE last closed at $12.56 on Oct 29, +0.6% from the average purchase price. Since Aug 1, Bluerock Private Real Estate Fund insiders filed 14 open-market purchases ($31.2M) and 0 sales ($0).

Who traded BPRE since Aug 1:

• Kamfar Ramin (Director): 7 purchases of 2,409,529 shares, about $30.6M
• MacDonald Ryan S (Director): 4 purchases of 37,965 shares, about $459K
• Ruddy Jordan B. (President): 3 purchases of 10,340 shares, about $129K

See every BPRE insider trade.

Prothena Corp Public LTD Co (PRTA)

Scully William P (10% Owner) bought 150,000 shares starting Oct 22 at an average $8.15, about $1.2M. That raised their holding 14.5% to 1,187,000 shares. They bought 17% below the stock's 90-day high. Read the Form 4.

PRTA last closed at $8.88 on Oct 29, +9.0% from the average purchase price. Since Aug 1, Prothena Corp Public LTD Co insiders filed 10 open-market purchases ($9.0M) and 0 sales ($0). 8 13F filers hold PRTA among their 50 largest positions.

See every PRTA insider trade.

Optimum Communications, Inc. (OPTU)

Subin Neil S (10% Owner) bought 2,228,007 shares starting Oct 22 at an average $0.5222, about $1.2M. That raised their holding 11.4% to 21,777,316 shares. They bought 54% below the stock's 90-day high. Read the Form 4.

OPTU last closed at $0.6640 on Oct 29, +27.1% from the average purchase price. Since Aug 1, Optimum Communications, Inc. insiders filed 2 open-market purchases ($3.6M) and 1 sale ($15K).

Who traded OPTU since Aug 1:

• Subin Neil S (10% Owner): 2 purchases of 5,260,361 shares, about $3.6M
• Olsen Michael (General Counsel and CCRO): 1 sale of 20,000 shares, about $15K

See every OPTU insider trade.

Korro Bio, Inc. (KRRO)

Lynx1 Capital Management LP (10% Owner) bought 79,809 shares starting Oct 22 at an average $11.09, about $885K. That raised their holding 5.2% to 1,624,789 shares. They bought 21% below the stock's 90-day high. Read the Form 4.

KRRO last closed at $14.20 on Oct 29, +28.1% from the average purchase price. Since Aug 1, Korro Bio, Inc. insiders filed 2 open-market purchases ($964K) and 7 sales ($1.3M). 7 13F filers hold KRRO among their 50 largest positions.

Who traded KRRO since Aug 1:

• Formela Jean Francois (Director): 4 sales of 79,601 shares, about $1.1M
• Lynx1 Capital Management LP (10% Owner): 2 purchases of 86,493 shares, about $964K
• Dolan Oliver (Senior Vice President, Finance): 2 sales of 7,358 shares, about $99K
• Aiyar Ram (President and CEO, Director): 1 sale of 5,802 shares, about $63K

See every KRRO insider trade.

Gentherm Inc (THRM)

Mascarenas Paul Anthony (Director) bought 20,000 shares starting Oct 23 at an average $26.63, about $533K. That raised their holding 747.1% to 22,677 shares. They bought 39% below the stock's 90-day high. Read the Form 4.

Presley William T. (President & CEO, Director) bought 5,000 shares starting Oct 23 at an average $26.00, about $130K. That raised their holding 2.8% to 183,314 shares. They bought 41% below the stock's 90-day high. Read the Form 4.

THRM last closed at $32.20 on Oct 29, +21.5% from the average purchase price. Since Aug 1, Gentherm Inc insiders filed 2 open-market purchases ($663K) and 1 sale ($40K). 10 13F filers hold THRM among their 50 largest positions.

Who traded THRM since Aug 1:

• Mascarenas Paul Anthony (Director): 1 purchase of 20,000 shares, about $533K
• Presley William T. (President & CEO, Director): 1 purchase of 5,000 shares, about $130K
• Nicholas Breisacher (Chief Accounting Officer): 1 sale of 925 shares, about $40K

See every THRM insider trade.

CitroTech Inc. (CITR)

Huff Craig A (Director, 10% Owner) bought 200,000 shares starting Oct 22 at an average $2.50, about $500K. That raised their holding 6.0% to 3,557,467 shares. They bought 64% below the stock's 90-day high. Read the Form 4.

CITR last closed at $2.52 on Oct 29, +0.8% from the average purchase price. Since Aug 1, CitroTech Inc. insiders filed 1 open-market purchase ($500K) and 1 sale ($825K).

Who traded CITR since Aug 1:

• Conboy Stephen (Former Chief Technology Off.): 1 sale of 275,001 shares, about $825K
• Huff Craig A (Director, 10% Owner): 1 purchase of 200,000 shares, about $500K

See every CITR insider trade.

Every number here comes from the original Form 4 filings. See all of the day's trades in the Oct 26 insider recap, or screen every Form 4 in the insider screener.