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Korro Bio, Inc.

KRRO Net buying
CIK 0001703647 #3970 in the set updated 17 Sep 2026
Bought (12 mo)
$20.79M
out of their own pocket, the only kind of buying there is
Sold (12 mo)
$5.70M
$5.26M on a plan · $0.00 straight out of an exercise
Sold at will
$439.13K
6 of 33 sales
Net
+$15.09M
+$20.35M against sales at will

By person

18 insiders · 45 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
FORMELA JEAN FRANCOIS
Director
—
$5.16M (24) scheduled
−$5.16M
273,703
1.86%
$3.86M
−57.1%
BASKETT FOREST
10% owner
$2.30M (1)
—
+$2.30M
1,297,893
8.81%
$18.33M
+19.0%
Chang Carmen
10% owner
$2.30M (1)
—
+$2.30M
1,297,893
8.81%
$18.33M
+19.0%
Florence Anthony A. Jr.
10% owner
$2.30M (1)
—
+$2.30M
1,297,893
8.81%
$18.33M
+19.0%
Makhzoumi Mohamad
10% owner
$2.30M (1)
—
+$2.30M
1,297,893
8.81%
$18.33M
+19.0%
Mathers Edward T
10% owner
$2.30M (1)
—
+$2.30M
1,297,893
8.81%
$18.33M
+19.0%
New Enterprise Associates 17, L.P. entity
10% owner
$2.30M (1)
—
+$2.30M
1,297,893
8.81%
$18.33M
+19.0%
SANDELL SCOTT D
10% owner
$2.30M (1)
—
+$2.30M
1,297,893
8.81%
$18.33M
+19.0%
Walker Paul Edward
10% owner
$2.30M (1)
—
+$2.30M
1,297,893
8.81%
$18.33M
+19.0%
Yang Rick
10% owner
$2.30M (1)
—
+$2.30M
1,297,893
8.81%
$18.33M
+19.0%
Aiyar Ram
President and CEO
—
$259.59K (2)
−$259.59K
69,046
0.4689%
$974.93K
—
Dolan Oliver
Senior Vice President, Finance
—
$136.07K (4) scheduled
−$136.07K
16,241
0.1103%
$229.32K
—
Lynx1 Capital Management LP entity
10% owner
$84.32K (3)
—
+$84.32K
1,544,980
10.49%
$21.82M
+0.5%
Cerio Jeffrey
General Counsel
—
$71.58K (1)
−$71.58K
41,793
0.2838%
$590.12K
—
Vincent Loic A
Chief Scientific Officer
—
$37.02K (1)
−$37.02K
25,797
0.1752%
$364.25K
—
Chappell Todd
Chief Operating Officer
—
$34.31K (1)
−$34.31K
24,464
0.1661%
$345.43K
—
Behbahani Ali
Director
—
—
—
1,297,893
8.81%
$18.33M
+19.0%
Agarwal Vineet
Chief Financial Officer
—
—
—
0
0.0000%
$0.00
—

Individual transactions

6
Insider
Date
Role
Action
Shares
Price
Amount
Aiyar Ram
4 Aug 2026
President and CEO
Sell
5,802
$10.84
$62.92K
Dolan Oliver
16 Jun 2026
Senior Vice President, Finance
Sell
3,383
$10.83
$36.64K
Cerio Jeffrey
16 Jun 2026
General Counsel
Sell
6,609
$10.83
$71.58K
Vincent Loic A
16 Jun 2026
Chief Scientific Officer
Sell
3,418
$10.83
$37.02K
Chappell Todd
16 Jun 2026
Chief Operating Officer
Sell
3,168
$10.83
$34.31K
Aiyar Ram
29 May 2026
President and CEO
Sell
15,152
$12.98
$196.67K
Show all 45 transactions →

What was left out

Form 4 filings counted 47
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 3
Sales on a Rule 10b5-1 plan 27
Sales straight out of an exercise 0
Sales at will 6
Transactions with no price 0
Shares from compensation/vesting 429,331
History held since 2 Oct 2019