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KRRO
Ticker

Korro Bio, Inc.

KRRO · Healthcare · Korro Bio, Inc., a biopharmaceutical company, engages in the discovering, developing, and commercializing of genetic medicines based on edi…

Korro Bio, Inc. (KRRO), in the Healthcare sector, has 14 disclosed filings on Paydirt over the trailing twelve months from 12 corporate insiders: 10 purchases and 4 sales. Filers took a median of 2 days from execution to disclosure, and the most recent trade was executed Oct 26 and filed Oct 26. The most active filer was Jean Francois Formela with 3 filings. Data as of Nov 8 2026.

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Filings, ttm
14
10 buys · 4 sells
Traders, ttm
12
12 insiders
Volume, ttmiDollar value disclosed in the window
$26.3M
estimated for Congress, as filed for insiders
Median delay
2d
execution to disclosure
Last traded
Oct 26
Filed Oct 26
ADViAverage daily dollar volume
$2.6M
market data
Share price · 12M
$14.31 (-56.1%)
$32.80$19.04$5.28Nov 10 2025May 7Oct 30

Adjusted for splits and dividends.

Volume by month
$20.7M$10.4M$0Dec 2024Jun 2025Dec 2025Jun 2026Mar 2026 · buys $20.7MJun 2026 · sells $2.6MJul 2026 · sells $1.5MSep 2026 · sells $568KOct 2026 · buys $854K
Buys $21.6M Sells $4.7M

Estimated for Congress, as filed for insiders · by filing month · past 24 months

Who filed · past 24 months
JF Jean Francois Formela Director 3 filings · 0 buys, 3 sales RA Ram Aiyar President and CEO 1 filing · 0 buys, 1 sale FB Forest Baskett 10% owner 1 filing · 1 buy, 0 sales CC Carmen Chang 10% owner 1 filing · 1 buy, 0 sales AJ Anthony A. Florence Jr. 10% owner 1 filing · 1 buy, 0 sales LL Lynx1 Capital Management LP 10% owner 1 filing · 1 buy, 0 sales MM Mohamad Makhzoumi 10% owner 1 filing · 1 buy, 0 sales EM Edward T Mathers 10% owner 1 filing · 1 buy, 0 sales
All 12 filers NP New Enterprise Associates 17, L.P. 10% owner 1 filing · 1 buy, 0 sales SS Scott D Sandell 10% owner 1 filing · 1 buy, 0 sales PW Paul Edward Walker 10% owner 1 filing · 1 buy, 0 sales RY Rick Yang 10% owner 1 filing · 1 buy, 0 sales
Recent filings
Lynx1 Capital Management LPPURCHASE 10% owner $854K
77,299 sh across 3 lots
Exec Oct 22
Filed Oct 26 · 6:37 PM ET Jean Francois FormelaSALE Director $568K
40,338 sh across 2 lots
Exec Sep 11
Filed Sep 15 · 4:15 PM ET Jean Francois FormelaSALE Director $1.5M
109,206 sh across 3 lots
Exec Jul 2
Filed Jul 7 · 6:04 PM ET Jean Francois FormelaSALE Director $2.4M
166,663 sh across 4 lots
Exec Jun 23
Filed Jun 24 · 5:30 PM ET Ram AiyarSALE President and CEO $197K
15,152 sh × $12.98
Exec May 29
Filed Jun 2 · 5:30 PM ET Rick YangPURCHASE 10% owner $2.3M
207,100 sh × $11.11
Exec Mar 10
Filed Mar 12 · 8:15 PM ET Scott D SandellPURCHASE 10% owner $2.3M
207,100 sh × $11.11
Exec Mar 10
Filed Mar 12 · 8:15 PM ET New Enterprise Associates 17, L.P.PURCHASE 10% owner $2.3M
207,100 sh × $11.11
Exec Mar 10
Filed Mar 12 · 8:15 PM ET Carmen ChangPURCHASE 10% owner $2.3M
207,100 sh × $11.11
Exec Mar 10
Filed Mar 12 · 8:15 PM ET Forest BaskettPURCHASE 10% owner $2.3M
207,100 sh × $11.11
Exec Mar 10
Filed Mar 12 · 8:15 PM ET Edward T MathersPURCHASE 10% owner $2.3M
207,100 sh × $11.11
Exec Mar 10
Filed Mar 12 · 8:15 PM ET Mohamad MakhzoumiPURCHASE 10% owner $2.3M
207,100 sh × $11.11
Exec Mar 10
Filed Mar 12 · 8:15 PM ET Paul Edward WalkerPURCHASE 10% owner $2.3M
207,100 sh × $11.11
Exec Mar 10
Filed Mar 12 · 8:15 PM ET Anthony A. Florence Jr.PURCHASE 10% owner $2.3M
207,100 sh × $11.11
Exec Mar 10
Filed Mar 12 · 8:15 PM ET