Korro Bio Inc. (KRRO) - Insider Trading & Ownership

Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Insider Trading Transactions for Korro Bio Inc.
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Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2026-09-08
Sale
2026-09-10
4:05 pm
Korro Bio Inc.KRRODolan Oliver
Senior Vice President, Finance
7,353$13.51$99,36816,246
(Direct)
View
2026-08-26
Sale
2026-08-28
4:30 pm
Korro Bio Inc.KRROFORMELA JEAN FRANCOIS
Director
300$13.96$4,188141,002
(Indirect)
View
2026-08-19
Sale
2026-08-21
4:20 pm
Korro Bio Inc.KRROFORMELA JEAN FRANCOIS
Director
28,468$14$398,552141,053
(Indirect)
View
2026-08-11
Sale
2026-08-13
5:04 pm
Korro Bio Inc.KRROFORMELA JEAN FRANCOIS
Director
2,143$13.96$29,916145,937
(Indirect)
View
2026-08-06
Purchase
2026-08-13
09:54 am
Korro Bio Inc.KRROLynx1 Capital Management LP
Nichols Weston
10% Owner
6,684$11.79$78,8091,544,980
(Indirect)
View
2026-08-04
Sale
2026-08-05
4:05 pm
Korro Bio Inc.KRROAiyar Ram
President and CEO
5,802$10.84$62,91773,659
(Indirect
Direct)
View
2026-07-02
Sale
2026-07-07
6:04 pm
Korro Bio Inc.KRROFORMELA JEAN FRANCOIS
Director
110,023$14.02$1,542,970146,305
(Indirect)
View
2026-06-22
Sale
2026-06-24
8:09 pm
Korro Bio Inc.KRROFORMELA JEAN FRANCOIS
Director
171,405$14.34$2,458,582169,556
(Indirect)
View
2026-06-16
Sale
2026-06-17
4:14 pm
Korro Bio Inc.KRROChappell Todd
Chief Operating Officer
3,168$10.83$34,30916,964
(Direct)
View
2026-06-16
Sale
2026-06-17
4:11 pm
Korro Bio Inc.KRROVincent Loic A
Chief Scientific Officer
3,418$10.83$37,01718,297
(Direct)
View
2026-06-16
Sale
2026-06-17
4:08 pm
Korro Bio Inc.KRROCerio Jeffrey
General Counsel
6,609$10.83$71,57535,293
(Direct)
View
2026-06-16
Sale
2026-06-17
4:05 pm
Korro Bio Inc.KRRODolan Oliver
Senior Vice President, Finance
3,383$10.83$36,63818,099
(Direct)
View
2026-05-29
Sale
2026-06-02
07:00 am
Korro Bio Inc.KRROAiyar Ram
President and CEO
15,152$12.98$196,67379,461
(Indirect
Direct)
View
2026-05-28
Sale
2026-06-01
5:35 pm
Korro Bio Inc.KRROFORMELA JEAN FRANCOIS
Director
2,860$13.95$39,897194,655
(Indirect)
View
2026-03-31
Purchase
2026-04-02
12:00 pm
Korro Bio Inc.KRROLynx1 Capital Management LP
Nichols Weston
10% Owner
520$10.6$5,5121,538,296
(Indirect)
View
2026-03-10
Purchase
2026-03-12
8:15 pm
Korro Bio Inc.KRROYang Rick
10% Owner
207,100$11.11$2,300,8811,540,838
(Indirect)
View
2026-03-10
Purchase
2026-03-12
8:15 pm
Korro Bio Inc.KRROSANDELL SCOTT D
10% Owner
207,100$11.11$2,300,8811,540,838
(Indirect)
View
2026-03-10
Purchase
2026-03-12
8:15 pm
Korro Bio Inc.KRRONew Enterprise Associates 17 L.P.
NEA Partners 17 L.P.
NEA 17 GP LLC
10% Owner
207,100$11.11$2,300,8811,540,838
(Direct)
View
2026-03-10
Purchase
2026-03-12
8:15 pm
Korro Bio Inc.KRROChang Carmen
10% Owner
207,100$11.11$2,300,8811,540,838
(Indirect)
View
2026-03-10
Purchase
2026-03-12
8:15 pm
Korro Bio Inc.KRROBASKETT FOREST
10% Owner
207,100$11.11$2,300,8811,540,838
(Indirect)
View
2026-03-10
Purchase
2026-03-12
8:15 pm
Korro Bio Inc.KRROMathers Edward T
10% Owner
207,100$11.11$2,300,8811,540,838
(Indirect)
View
2026-03-10
Purchase
2026-03-12
8:15 pm
Korro Bio Inc.KRROMakhzoumi Mohamad
10% Owner
207,100$11.11$2,300,8811,540,838
(Indirect)
View
2026-03-10
Purchase
2026-03-12
8:15 pm
Korro Bio Inc.KRROWalker Paul Edward
10% Owner
207,100$11.11$2,300,8811,540,838
(Indirect)
View
2026-03-10
Purchase
2026-03-12
8:15 pm
Korro Bio Inc.KRROFlorence Anthony A. Jr.
10% Owner
207,100$11.11$2,300,8811,540,838
(Indirect)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2026-07-15
Option Award
2026-07-17
07:14 am
N/A
N/A
Korro Bio Inc.KRROVincent Loic A
Chief Scientific Officer
7,500$025,797
(Direct)
View
2026-07-15
Option Award
2026-07-17
07:11 am
N/A
N/A
Korro Bio Inc.KRRODolan Oliver
Senior Vice President, Finance
5,500$023,599
(Direct)
View
2026-07-15
Option Award
2026-07-17
07:08 am
N/A
N/A
Korro Bio Inc.KRROCerio Jeffrey
General Counsel
6,500$041,793
(Direct)
View
2026-07-15
Option Award
2026-07-17
07:05 am
N/A
N/A
Korro Bio Inc.KRROChappell Todd
Chief Operating Officer
7,500$024,464
(Direct)
View
2026-06-10
Option Award
2026-06-11
6:10 pm
N/A
2036-06-09
Korro Bio Inc.KRROBehbahani Ali
Director
14,677$014,677
(Direct)
View
2026-06-10
Option Award
2026-06-11
6:07 pm
N/A
2036-06-09
Korro Bio Inc.KRROMeyers Rachel
Director
14,677$014,677
(Direct)
View
2026-06-10
Option Award
2026-06-11
6:04 pm
N/A
2036-06-09
Korro Bio Inc.KRROBermingham Nessan
Director
14,677$014,677
(Direct)
View
2026-06-10
Option Award
2026-06-11
6:01 pm
N/A
2036-06-09
Korro Bio Inc.KRROKnobil Katharine
Director
14,677$014,677
(Direct)
View
2026-06-10
Option Award
2026-06-11
5:58 pm
N/A
2036-06-09
Korro Bio Inc.KRROFORMELA JEAN FRANCOIS
Director
14,677$014,677
(Direct)
View
2026-06-10
Option Award
2026-06-11
5:55 pm
N/A
2036-06-09
Korro Bio Inc.KRROPEARSON TIMOTHY R
Director
14,677$014,677
(Direct)
View
2026-05-26
Option Award
2026-05-28
5:07 pm
N/A
N/A
Korro Bio Inc.KRROAiyar Ram
President and CEO
50,000$12.3394,613
(Direct)
View

Ownership
2026-04-02
12:00 pm
N/A
N/A
Korro Bio Inc.KRROLynx1 Capital Management LP
Nichols Weston
10% Owner
0$01,537,776
(Indirect)
View
2026-03-10
Option Award
2026-03-12
8:15 pm
N/A
N/A
Korro Bio Inc.KRROBehbahani Ali
Director
10% Owner
207,100$11.111,540,838
(Indirect)
View
2026-03-10
Option Award
2026-03-12
8:15 pm
N/A
N/A
Korro Bio Inc.KRROBehbahani Ali
Director
10% Owner
242,945$11.111,540,838
(Indirect)
View
2026-02-02
Option Award
2026-02-03
4:17 pm
N/A
2036-02-01
Korro Bio Inc.KRROAiyar Ram
President and CEO
120,000$0124,613
(Direct)
View
2026-02-02
Option Award
2026-02-03
4:14 pm
N/A
2036-02-01
Korro Bio Inc.KRROVincent Loic A
Chief Scientific Officer
35,000$035,000
(Direct)
View
2026-02-02
Option Award
2026-02-03
4:11 pm
N/A
2036-02-01
Korro Bio Inc.KRRODolan Oliver
Senior Vice President, Finance
15,000$015,000
(Direct)
View
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