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CIK 0001703647 · Non-accelerated filer<br>Smaller reporting company

Korro Bio, Inc.

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Ticker
KRRO
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
472324450
Phone
617-468-1999
Business address
60 FIRST STREET, 2ND FLOOR, SUITE 250, CAMBRIDGE, MA, 02141
Former names
Frequency Therapeutics, Inc.
Open-market buys, last 90 days
$884,752
in 1 filing
Open-market sales, last 90 days
$2,161,962
in 6 filings, $2.2M under 10b5-1 plans

Net −$1,277,210. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. FORMELA JEAN FRANCOIS −$2.1M Director sold 54% of stake
  2. Lynx1 Capital Management LP +$885K 10% owner 1 filing
  3. Dolan Oliver −$99K Senior Vice President, Finance sold 31% of stake

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2023-11-03 Bermingham Nessan Director Grant or award +35,114 35,114
2023-11-03 Bermingham Nessan Director Grant or award · Stock Option (Right to Buy) +67,061 67,061
2023-11-03 Bermingham Nessan Director Grant or award · Stock Option (Right to Buy) +24,712 24,712
2023-11-03 Chappell Todd Chief Operating Officer Grant or award · Stock Option (Right to Buy) +13,625 13,625
2023-11-03 Chappell Todd Chief Operating Officer Grant or award · Stock Option (Right to Buy) +4,968 4,968
2023-11-03 Chappell Todd Chief Operating Officer Grant or award · Stock Option (Right to Buy) +5,128 5,128
2023-11-03 Chappell Todd Chief Operating Officer Grant or award · Stock Option (Right to Buy) +62,651 62,651
2023-11-03 Aiyar Ram President and CEO Grant or award +4,613 4,613
2023-11-03 Aiyar Ram President and CEO Grant or award · Stock Option (Right to Buy) +136,234 136,234
2023-11-03 Aiyar Ram President and CEO Grant or award · Stock Option (Right to Buy) +36,769 36,769
2023-11-03 Aiyar Ram President and CEO Grant or award · Stock Option (Right to Buy) +30,130 30,130
2023-11-03 Aiyar Ram President and CEO Grant or award · Stock Option (Right to Buy) +156,760 156,760
2023-11-03 Agarwal Vineet Chief Financial Officer Grant or award · Stock Option (Right to Buy) +40,870 40,870
2023-11-03 Agarwal Vineet Chief Financial Officer Grant or award · Stock Option (Right to Buy) +5,962 5,962
2023-11-03 Agarwal Vineet Chief Financial Officer Grant or award · Stock Option (Right to Buy) +2,591 2,591
2023-11-03 Agarwal Vineet Chief Financial Officer Grant or award · Stock Option (Right to Buy) +46,547 46,547
2023-11-03 PEARSON TIMOTHY R Director Grant or award · Stock Option (Right to Buy) +16,000 16,000
2023-11-03 FORMELA JEAN FRANCOIS Director Grant or award +942,075 942,075
2023-11-03 FORMELA JEAN FRANCOIS Director Grant or award +177,217 177,217
2023-11-03 FORMELA JEAN FRANCOIS Director Grant or award · Stock Option (Right to Buy) +16,000 16,000

Page 9 of 10 · 188 trades