Insider Buying on September 23, 2026: ETRA, CV and CRBG Lead $68.2M of Purchases

Company insiders filed 37 open-market purchases worth $68.2M with the SEC on September 23, 2026, across 36 companies. 6 purchases came from a chief executive or financial officer. ETRA 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 Sep 23

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.

• Nesbitt Stephen Lane (President, Director) at CRAFX bought 500,000 shares at $10.00 ($5.0M).
• Robo James L (Director) at KBDC bought 114,961 shares at $13.09 ($1.5M), raising their holding 29%.
• Lewinsohn Jonathan (Co-President, Portfolio Manager) at Diameter Dynamic Credit Fund bought 98,814 shares at $10.12 ($1.0M).
• Batista de Lima Filho Pedro (Director) at AXIA3 bought 91,000 shares at $10.55 ($960K), raising their holding 1.9%.
• Kayyem Jon Faiz (Director) at INBX bought 5,000 shares at $100.00 ($500K), raising their holding 1.2%.
• Gieselman Scott (Director) at INR bought 28,467 shares at $12.78 ($364K), raising their holding 30%.
• Allen Patrick E (Director) at TNC bought 3,000 shares at $69.42 ($208K), raising their holding 156%.
• Affeldt Eric (Director) at AIAI bought 42,857 shares at $3.50 ($150K), raising their holding 857%.

Dip buys

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

• Harari Eliyahou Et Al (10% Owner) at CV bought 1,757,469 shares at $5.69 ($10.0M), 25% below the 90-day high.
• Kayyem Jon Faiz (Director) at INBX bought 5,000 shares at $100.00 ($500K), raising their holding 1.2%, 21% below the 90-day high.
• Allen Patrick E (Director) at TNC bought 3,000 shares at $69.42 ($208K), raising their holding 156%, 24% below the 90-day high.
• Affeldt Eric (Director) at AIAI bought 42,857 shares at $3.50 ($150K), raising their holding 857%, 80% below the 90-day high.
• Steel Partners Holdings L.P. (10% Owner) at SPRU bought 52,780 shares at $2.04 ($108K), raising their holding 1.5%, 25% below the 90-day high.
• Dorsett Jason Christopher (10% Owner) at RTB bought 11,000 shares at $8.32 ($92K), raising their holding 0.3%, 57% below the 90-day high.

Reversals

Insiders buying after being net sellers of the same stock over the previous 90 days.

• Batista de Lima Filho Pedro (Director) at AXIA3 bought 91,000 shares at $10.55 ($960K), raising their holding 1.9%, after 10 sales worth $15.3M in the prior 90 days.

Biggest stake increases

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

• Affeldt Eric (Director) at AIAI bought 42,857 shares at $3.50 ($150K), raising their holding 857%.
• Gordon Carl L (Director, 10% Owner) at ETRA bought 1,333,333 shares at $15.00 ($20.0M), raising their holding 314%.
• Orbimed Advisors LLC (Director, 10% Owner) at ETRA bought 1,333,333 shares at $15.00 ($20.0M), raising their holding 314%.
• Grassi Craig Anthony (Vice-President) at GAM bought 2,000 shares at $23.08 ($46K), raising their holding 182%.
• Allen Patrick E (Director) at TNC bought 3,000 shares at $69.42 ($208K), raising their holding 156%.
• Winter Michael R (Director) at ALNT bought 457 shares at $108.97 ($50K), raising their holding 54%.

Electra Therapeutics, Inc. (ETRA)

Gordon Carl L (Director, 10% Owner) bought 1,333,333 shares starting Sep 21 at an average $15.00, about $20.0M. That raised their holding 313.8% to 1,758,279 shares. Read the Form 4.

Orbimed Advisors LLC (Director, 10% Owner) bought 1,333,333 shares starting Sep 21 at an average $15.00, about $20.0M. That raised their holding 313.8% to 1,758,279 shares. Read the Form 4.

ETRA last closed at $8.64 on Oct 29, -42.4% from the average purchase price. Since Aug 1, Electra Therapeutics, Inc. insiders filed 2 open-market purchases ($40.0M) and 0 sales ($0).

Who traded ETRA since Aug 1:

• Gordon Carl L (Director, 10% Owner): 1 purchase of 1,333,333 shares, about $20.0M
• Orbimed Advisors LLC (Director, 10% Owner): 1 purchase of 1,333,333 shares, about $20.0M

See every ETRA insider trade.

CapsoVision, Inc (CV)

Harari Eliyahou Et Al (10% Owner) bought 1,757,469 shares starting Sep 18 at an average $5.69, about $10.0M. They now report 878,734 shares. They bought 25% below the stock's 90-day high. Read the Form 4.

CV last closed at $6.94 on Oct 29, +22.0% from the average purchase price. Since Aug 1, CapsoVision, Inc insiders filed 2 open-market purchases ($15.0M) and 0 sales ($0).

Who traded CV since Aug 1:

• Harari Eliyahou Et Al (10% Owner): 1 purchase of 1,757,469 shares, about $10.0M
• Shen Ching Hang (10% Owner): 1 purchase of 878,734 shares, about $5.0M

See every CV insider trade.

Corebridge Financial, Inc. (CRBG)

Nippon Life Insurance Co (10% Owner) bought 212,828 shares starting Sep 21 at an average $35.08, about $7.5M. That raised their holding 0.2% to 123,820,013 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, +0.6% from the average purchase price. Since Aug 1, Corebridge Financial, Inc. insiders filed 9 open-market purchases ($63.7M) 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): 9 purchases of 1,830,486 shares, about $63.7M
• 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.

Cascade Real Assets Fund (CRAFX)

Nesbitt Stephen Lane (President, Director) bought 500,000 shares starting Sep 21 at an average $10.00, about $5.0M. They now report 500,000 shares. Read the Form 4.

CRAFX last closed at $10.42 on Oct 28, +4.2% from the average purchase price. Since Aug 1, Cascade Real Assets Fund insiders filed 1 open-market purchase ($5.0M) and 0 sales ($0).

See every CRAFX insider trade.

Kayne Anderson BDC, Inc. (KBDC)

Robo James L (Director) bought 114,961 shares starting Sep 22 at an average $13.09, about $1.5M. That raised their holding 28.7% to 514,961 shares. Read the Form 4.

KBDC last closed at $13.04 on Oct 29, -0.4% from the average purchase price. Since Aug 1, Kayne Anderson BDC, Inc. insiders filed 2 open-market purchases ($6.7M) and 0 sales ($0). 12 13F filers hold KBDC among their 50 largest positions.

See every KBDC insider trade.

AXIA Energia S.A. (AXIA3)

Batista de Lima Filho Pedro (Director) bought 91,000 shares starting Sep 21 at an average $10.55, about $960K. That raised their holding 1.9% to 5,002,284 shares. Read the Form 4.

Since Aug 1, AXIA Energia S.A. insiders filed 9 open-market purchases ($8.4M) and 11 sales ($15.5M).

Who traded AXIA3 since Aug 1:

• Batista de Lima Filho Pedro (Director): 5 purchases of 795,500 shares, about $8.3M; 10 sales of 1,511,100 shares, about $15.3M
• Gualda Sampaio Araujo Camila (See Remarks*): 1 sale of 10,800 shares, about $116K
• Corso Matte Ana Silvia (Director): 3 purchases of 5,500 shares, about $54K
• de Bittencourt Marinho Gisomar Francisco (See Remarks*): 1 purchase of 100 shares, about $1K

See every AXIA3 insider trade.

Inhibrx Biosciences, Inc. (INBX)

Kayyem Jon Faiz (Director) bought 5,000 shares on Sep 23 at an average $100.00, about $500K. That raised their holding 1.2% to 434,360 shares. They bought 21% below the stock's 90-day high. Read the Form 4.

INBX last closed at $73.65 on Oct 29, -26.3% from the average purchase price. Since Aug 1, Inhibrx Biosciences, Inc. insiders filed 5 open-market purchases ($4.5M) and 2 sales ($279K). 14 13F filers hold INBX among their 50 largest positions.

Who traded INBX since Aug 1:

• Lappe Mark (Chief Executive Officer, Director): 1 purchase of 25,000 shares, about $2.6M
• Kayyem Jon Faiz (Director): 3 purchases of 15,000 shares, about $1.6M
• Forsyth Douglas (Director): 1 purchase of 2,500 shares, about $287K
• Manhard Kimberly (Director): 2 sales of 2,500 shares, about $279K

See every INBX insider trade and which funds own INBX.

Infinity Natural Resources, Inc. (INR)

Gieselman Scott (Director) bought 28,467 shares starting Sep 21 at an average $12.78, about $364K. That raised their holding 30.0% to 123,467 shares. They bought 19% below the stock's 90-day high. Read the Form 4.

INR last closed at $14.53 on Oct 29, +13.7% from the average purchase price. Since Aug 1, Infinity Natural Resources, Inc. insiders filed 1 open-market purchase ($364K) and 0 sales ($0). 2 13F filers hold INR among their 50 largest positions.

See every INR insider trade.

Every number here comes from the original Form 4 filings. See all of the day's trades in the Sep 23 insider recap, or screen every Form 4 in the insider screener.