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KRRO - Korro Bio, Inc.

Insider Purchase by Mathers Edward T (10%)

1 Month
After Trade
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Trade Summary

5 days ago, Mathers Edward T, 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, Mathers Edward T now holds 1,297,893 shares of KRRO.

This purchase represents a 19.00% increase in Mathers Edward T'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.

Mathers Edward T

10%

Edward T. Mathers is a prominent venture capital investor and manager who serves as a key decision-maker at New Enterprise Associates 17, L.P. (NEA 17), one of the leading venture capital firms[[1]](https://www.stocktitan.net/sec-filings/SGP/form-3-spy-glass-pharma-inc-initial-statement-of-beneficial-ownership-0cb8675a6e1d.html)[[2]](https://www.stocktitan.net/sec-filings/SGP/form-4-spy-glass-pharma-inc-insider-trading-activity-ff537c6f6bac.html). Through his role as a manager of NEA 17 GP, LLC, the general partner of NEA 17, Mathers holds a 10% beneficial ownership stake in SpyGlass Pharma, Inc. (SGP)[[1]](https://www.stocktitan.net/sec-filings/SGP/form-3-spy-glass-pharma-inc-initial-statement-of-beneficial-ownership-0cb8675a6e1d.html)[[2]](https://www.stocktitan.net/sec-filings/SGP/form-4-spy-glass-pharma-inc-insider-trading-activity-ff537c6f6bac.html). His investment portfolio through NEA 17 demonstrates significant confidence in emerging pharmaceutical ventures, with his entity's holdings in SpyGlass including substantial positions in multiple preferred stock series that converted to common stock ahead of the company's initial public offering in February 2026[[1]](https://www.stocktitan.net/sec-filings/SGP/form-3-spy-glass-pharma-inc-initial-statement-of-beneficial-ownership-0cb8675a6e1d.html)[[2]](https://www.stocktitan.net/sec-filings/SGP/form-4-spy-glass-pharma-inc-insider-trading-activity-ff537c6f6bac.html). Mathers' involvement with SpyGlass Pharma reflects his strategic investment activity in the biopharmaceutical sector[[2]](https://www.stocktitan.net/sec-filings/SGP/form-4-spy-glass-pharma-inc-insider-trading-activity-ff537c6f6bac.html). On February 9, 2026, concurrent with SpyGlass's IPO, NEA 17 converted preferred stock holdings totaling 5,097,538 shares into common stock and subsequently purchased an additional 937,500 common shares at $16 per share, bringing the entity's total common stock position to 6,035,038 shares[[2]](https://www.stocktitan.net/sec-filings/SGP/form-4-spy-glass-pharma-inc-insider-trading-activity-ff537c6f6bac.html). This substantial investment underscores Mathers' active role in identifying and supporting promising pharmaceutical companies in their growth and public market transition stages[[2]](https://www.stocktitan.net/sec-filings/SGP/form-4-spy-glass-pharma-inc-insider-trading-activity-ff537c6f6bac.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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