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KRRO
NASDAQ Life Sciences

Atlas Venture Fund XI Files Intent to Sell $1.4M in Korro Bio Stock

Arie Shkolnikov · Analysis by Wiseek AI
More coverage: Biotech Stocks · Healthcare
Sentiment info
Negative
Importance info
7
Price
$13.71
Mkt Cap
$197.733M
52W Low
$5.204
52W High
$55.89
52W Position info
163% above low
Off High info
75% below high
Rel. Volume info
2.9× avg
Market data snapshot near publication time

KRRO has more than doubled off its 52-week low of $5.204 on elevated volume (2.9× avg).

Summary

Atlas Venture Fund XI, a major shareholder, has filed to sell $1.41 million of Korro Bio stock, representing a notable reduction in its holdings and contributing to recent insider selling.


Key Events · Ownership and Investor Activity · KRRO

  • Intent to Sell Shares

    Atlas Venture Fund XI, L.P. filed a Form 144 to sell 101,579 shares of Korro Bio common stock.

  • Significant Transaction Value

    The proposed sale has an approximate market value of $1.41 million.

  • Institutional Shareholder Activity

    The filer, Atlas Venture Fund XI, L.P., is a major institutional shareholder. Sales by such entities are often for portfolio rebalancing but can still impact market sentiment.

  • Part of Ongoing Distribution

    This filing follows a pattern of recent Form 144 filings and contributes to a net distribution of shares by insiders over the last 90 days.


Analysis · KRRO · Life Sciences

Atlas Venture Fund XI, a significant institutional shareholder, has filed a Form 144 indicating its intent to sell approximately $1.41 million worth of Korro Bio common stock. This proposed sale represents about 0.7% of the company's market capitalization and adds to recent insider distribution activity. While institutional investors often rebalance portfolios, a sale of this magnitude from a major holder can create an overhang on the stock.

At the time of this filing, KRRO was trading at $13.71 on NASDAQ in the Life Sciences sector, with a market capitalization of approximately $197.7M. The 52-week trading range was $5.20 to $55.89. This filing was assessed with negative market sentiment and an importance score of 7 out of 10.

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KRRO - Latest Insights

KRRO
Aug 06, 2026, 7:08 AM EDT
Filing Type: 10-Q
Importance Score:
7
Price at Filing: $11.50
Real-time Price: $12.12 info
Change: +$0.620 (+5%) info
Market Cap: $174.802M info
KRRO
Aug 06, 2026, 7:04 AM EDT
Filing Type: 8-K
Importance Score:
7
Price at Filing: $11.50
Real-time Price: $12.12 info
Change: +$0.620 (+5%) info
Market Cap: $174.802M info
KRRO
Jul 02, 2026, 4:41 PM EDT
Filing Type: 144
Importance Score:
7
Price at Filing: $14.00
Real-time Price: $12.12 info
Change: -$1.88 (-13%) info
Market Cap: $174.802M info
KRRO
May 19, 2026, 7:03 AM EDT
Source: Wiseek News
Importance Score:
8
Price at Filing: $9.80
Real-time Price: $12.12 info
Change: +$2.32 (+24%) info
Market Cap: $174.802M info
KRRO
May 19, 2026, 7:00 AM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $9.80
Real-time Price: $12.12 info
Change: +$2.32 (+24%) info
Market Cap: $174.802M info