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KRRO - Korro Bio, Inc.

Insider Purchase by Chang Carmen (10%)

1 Month
After Trade
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Trade Summary

5 days ago, Chang Carmen, serving as 10% owner at Korro Bio, Inc. (KRRO), purchased 207,100 shares at $11.11 per share, for a total transaction value of $2,300,881.00. Following this transaction, Chang Carmen now holds 1,297,893 shares of KRRO.

This purchase represents a 19.00% increase in Chang Carmen's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Tuesday, March 10, 2026 and publicly disclosed via SEC Form 4 filing on Thursday, March 12, 2026, 2 days after the trade was made.

Korro Bio, Inc. operates in the HEALTHCARE sector, specifically within the BIOTECHNOLOGY industry. Insider buying activity in this sector can provide valuable signals about industry trends and company-specific developments.

Chang Carmen

Chang Carmen

10%

Carmen Chang is a prominent venture capital investor and 10% owner of SpyGlass Pharma, Inc. (SGP), holding approximately 7,392,301 shares valued at over $205 million as of recent filings.[[1]](https://www.gurufocus.com/insider/48650/carmen-chang)[[4]](https://www.stocktitan.net/sec-filings/SGP/schedule-13d-spy-glass-pharma-inc-major-shareholder-acquisition-5-8739c900d44e.html) She recently participated in a significant share purchase on February 9, 2026, acquiring shares at $16 each alongside other insiders and executives, signaling strong confidence in the company's future.[[3]](https://www.ainvest.com/news/spyglass-pharma-director-khan-bilal-arshad-buys-115000-shares-16-share-2602/)[[7]](https://whalewisdom.com/filing/chang-carmen-4-2026-02-11-163006-0500-sgp)[[8]](https://www.tipranks.com/news/insider-trading/spyglass-pharma-insiders-make-a-massive-high-stakes-bet-on-the-companys-future-insider-trading) Chang serves as a manager of general partner entities associated with her investments and maintains substantial stakes across multiple biotech firms, including Mirum Pharmaceuticals Inc. (MIRM) with 4,186,243 shares worth $188 million, Savara Inc. (SVRA) with 24,471,264 shares worth $75 million, and Trevi Therapeutics Inc. (TRVI) with 11,370,376 shares.[[1]](https://www.gurufocus.com/insider/48650/carmen-chang) Her portfolio spans 15 companies, such as Akouos Inc., MBX Biosciences Inc., and Coursera Inc., with her estimated net worth exceeding $478 million as of 2025.[[1]](https://www.gurufocus.com/insider/48650/carmen-chang) SEC filings confirm her role as a 10% owner in SpyGlass Pharma through beneficial ownership structures.[[5]](https://insiderinsights.com/free/index.php?s=ticker&o=-1&a=&q=SGP)[[6]](https://www.stocktitan.net/sec-filings/SGP/form-3-spy-glass-pharma-inc-initial-statement-of-beneficial-ownership-b62511ac8776.html)

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Trade Price

$11.11

Quantity

207,100

Total Value

$2,300,881.00

Shares Owned

1,297,893

Trade Date

Tuesday, March 10, 2026

5 days ago

SEC Filing Date

Thursday, March 12, 2026

Filed 2 days after trade

HEALTHCAREBIOTECHNOLOGY

About Korro Bio, Inc.

Company Overview

No company information available
View news mentioning KRRO

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