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EdgarHawk

Florence Anthony A. Jr.

10% Owner

10% Owner
3 filings analyzed · 3 companies · Latest 2026-03-12

Companies

Company Buys Sells Direction
Korro Bio, Inc. KRRO 1 0 Net buying
SpyGlass Pharma, Inc. SGP 7 0 Net buying
MBX Biosciences, Inc. MBX 3 0 Net buying

Activity

March 2026
2026-03-12 Korro Bio, Inc. KRRO
high
Buy
207,100 shares
$2,300,881
Significance 6/10

10% Owner Florence Anthony A. Jr. buys 207,100 shares of KRRO at $11.11; 8 other insiders bought within 14 days amid -77.6% decline from 52-week high.

Florence Anthony A. Jr., a 10% owner of Korro Bio, purchased 207,100 shares at $11.11 on 2026-03-10, expanding his holdings to 1,297,893 shares (+19.0% increase). The transaction occurs against a backdrop of significant stock weakness: the current price of $11.50 stands 77.6% below the 52-week high of $51.36. A cluster pattern emerges with 8 other insiders also buying within the past 14 days, suggesting coordinated appetite for shares at depressed levels. However, context reveals material headwinds: the company reported $1.1M in quarterly revenue against a $-18.1M net loss, remains unprofitable, and Anthony's sole prior purchase at KRRO on 2024-04-22 declined 18.6% over 90 days—establishing a 0% win rate at this specific ticker. The cross-ticker track record (66.67% 90-day win rate, +2.9% average 90d return) does not yet demonstrate execution strength at KRRO itself, where the stock has compressed substantially from its recent highs.

February 2026
high
Buy
937,500 shares
$15,000,000
Significance 8/10

10% owner Florence Anthony Jr. purchases 937,500 shares of SGP at $16.00 for $15.0M; cluster buy signal with 14 other insiders buying in past 14 days.

Florence Anthony Jr., a 10% owner, deployed $15,000,000 to acquire 937,500 shares at $16.00 on 2026-02-09, increasing his stake from 419,763 shares to 1,357,263 shares (a +223.3% increase relative to pre-transaction holdings). This transaction occurs in a cluster context: 14 other insiders also bought within the past 14 days, signaling coordinated accumulation across the insider base. The stock has appreciated 72.2% from the transaction price ($16.00) to the current price of $27.55 in just four trading days post-IPO, though 52-week metrics remain uninformative. The substantial dollar commitment by a major shareholder, paired with synchronized buying across multiple insiders, suggests organized conviction regarding the company's near-term prospects immediately following its recent listing.

September 2024
high
Buy
500,000 shares
$8,000,000
Significance 7/10

10% owner Florence Anthony A. Jr. purchases 500,000 shares of MBX at $16.00 amid cluster buy pattern by 14 other insiders in 14 days.

Florence Anthony A. Jr., a 10% owner, purchased 500,000 shares at $16.00 on 2024-09-16, expanding his holdings from 3,114,486 to 3,614,486 shares. The $8,000,000.00 transaction occurred within days of MBX's recent listing (3 trading days), when the stock currently trades at $21.50. Most significantly, this buy is part of a broader cluster pattern: 14 other insiders also bought within the past 14 days, suggesting coordinated or aligned sentiment among company leadership at or near the IPO stage. The scale of the transaction—$8.0M from a major shareholder—combined with the cluster activity indicates material insider confidence in valuation at post-listing prices.

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