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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
2023-11-22 Lucchino David L. Director Sale −110 $35.99 $4K 23,196
2023-11-22 Lucchino David L. Director Sale −230 $36.74 $8K 22,966
2023-11-22 Lucchino David L. Director Sale −614 $37.98 $23K 22,352
2023-11-22 Lucchino David L. Director Sale −202 $38.82 $8K 22,150
2023-11-10 Lucchino David L. Director Sale −37 $37.92 $1K 24,237
2023-11-10 Lucchino David L. Director Sale −373 $39.59 $15K 23,864
2023-11-10 Lucchino David L. Director Sale −41 $41.94 $2K 23,823
2023-11-10 Lucchino David L. Director Sale −225 $43.17 $10K 23,598
2023-11-10 Lucchino David L. Director Sale −191 $44.01 $8K 23,407
2023-11-10 Lucchino David L. Director Sale −67 $45.53 $3K 23,340
2023-11-10 Lucchino David L. Director Sale −34 $46.23 $2K 23,306
2023-11-03 Lucchino David L. Director Option exercise +5,600 18,274
2023-11-03 Lucchino David L. Director Grant or award +6,000 24,274
2023-11-03 Lucchino David L. Director Option exercise · Restricted Stock Units −5,600 0
2023-11-03 Behbahani Ali Director Grant or award +1,072,936 1,072,936
2023-11-03 Behbahani Ali Director Grant or award · Stock Option (Right to Buy) +16,000 16,000
2023-11-03 Colletti Steve Chief Scientific Officer Grant or award · Stock Option (Right to Buy) +51,896 51,896
2023-11-03 Colletti Steve Chief Scientific Officer Grant or award · Stock Option (Right to Buy) +34,478 34,478
2023-11-03 Walker Shelby J. See Remarks Grant or award · Stock Option (Right to Buy) +23,723 23,723
2023-11-03 Walker Shelby J. See Remarks Grant or award · Stock Option (Right to Buy) +29,061 29,061

Page 8 of 10 · 188 trades