Stocks
KRRO Korro Bio, Inc.

KRRO

Korro Bio, Inc.

Company with tickers: KRRO

CIK

1703647

CUSIP

500946108

Shares Outstanding

14,422,571

13F Activity (30d)

91 filings 89 filers

Price

$12.19

Market Cap

$177.83M

P/E Ratio

-0.98

EPS (Diluted)

$-12.48

52W High

$55.89

52W Low

$5.20

Price History Institutional Holders Short Volume Short Interest Fails to Deliver Financials SEC Filings Earnings Calls Insider Trades Congressional Trades

Date	Insider	Role	Type	Shares	Price	Value	After
2026-03-31	Lynx1 Capital Management LP	10% Owner	Buy	520	$10.60	$5,512	1,538,296
2026-03-31	Lynx1 Capital Management LP	10% Owner	Other	1,537,776	—	—	1,537,776
2026-03-10	SANDELL SCOTT D	10% Owner	Buy	207,100	$11.11	$2,300,881	1,297,893
2026-03-10	SANDELL SCOTT D	10% Owner	Buy	242,945	$11.11	$2,698,876	242,945
2026-03-10	New Enterprise Associates 17, L.P.	10% Owner	Buy	242,945	$11.11	$2,698,876	242,945
2026-03-10	New Enterprise Associates 17, L.P.	10% Owner	Buy	207,100	$11.11	$2,300,881	1,297,893
2026-03-10	Mathers Edward T	10% Owner	Buy	242,945	$11.11	$2,698,876	242,945
2026-03-10	Mathers Edward T	10% Owner	Buy	207,100	$11.11	$2,300,881	1,297,893
2026-03-10	Makhzoumi Mohamad	10% Owner	Buy	242,945	$11.11	$2,698,876	242,945
2026-03-10	Makhzoumi Mohamad	10% Owner	Buy	207,100	$11.11	$2,300,881	1,297,893
2026-03-10	Yang Rick	10% Owner	Buy	242,945	$11.11	$2,698,876	242,945
2026-03-10	Yang Rick	10% Owner	Buy	207,100	$11.11	$2,300,881	1,297,893
2026-03-10	BASKETT FOREST	10% Owner	Buy	207,100	$11.11	$2,300,881	1,297,893
2026-03-10	BASKETT FOREST	10% Owner	Buy	242,945	$11.11	$2,698,876	242,945
2026-03-10	Florence Anthony A. Jr.	10% Owner	Buy	242,945	$11.11	$2,698,876	242,945
2026-03-10	Florence Anthony A. Jr.	10% Owner	Buy	207,100	$11.11	$2,300,881	1,297,893
2026-03-10	Chang Carmen	10% Owner	Buy	242,945	$11.11	$2,698,876	242,945
2026-03-10	Chang Carmen	10% Owner	Buy	207,100	$11.11	$2,300,881	1,297,893
2026-03-10	Behbahani Ali	Director, 10% Owner	Award	207,100	$11.11	$2,300,881	1,297,893
2026-03-10	Behbahani Ali	Director, 10% Owner	Award	242,945	$11.11	$2,698,876	242,945
2026-03-10	Walker Paul Edward	10% Owner	Buy	207,100	$11.11	$2,300,881	1,297,893
2026-03-10	Walker Paul Edward	10% Owner	Buy	242,945	$11.11	$2,698,876	242,945
2026-02-02	Vincent Loic A	Chief Scientific Officer	Award	35,000	—	—	35,000
2026-02-02	Chappell Todd	Chief Operating Officer	Award	38,000	—	—	38,000
2026-02-02	Aiyar Ram	Director, President and CEO	Award	80,000	—	—	80,000
2026-02-02	Aiyar Ram	Director, President and CEO	Award	40,000	—	—	40,000
2026-02-02	Aiyar Ram	Director, President and CEO	Other	4,613	—	—	4,613
2026-02-02	Dolan Oliver	Senior Vice President, Finance	Award	15,000	—	—	15,000
2026-02-02	Cerio Jeffrey	General Counsel	Award	23,000	—	—	23,000
2025-12-15	Chappell Todd	Chief Operating Officer	Award	20,132	—	—	20,132
2025-12-15	Vincent Loic A	Chief Scientific Officer	Award	21,715	—	—	21,715
2025-12-15	Cerio Jeffrey	General Counsel	Award	41,902	—	—	41,902
2025-12-15	Dolan Oliver	Senior Vice President, Finance	Award	21,482	—	—	21,482
2025-06-11	PEARSON TIMOTHY R	Director	Award	6,010	—	—	6,010
2025-06-11	Behbahani Ali	Director, 10% Owner	Award	6,010	—	—	6,010
2025-06-11	Meyers Rachel	Director	Award	6,010	—	—	6,010
2025-06-11	Knobil Katharine	Director	Award	6,010	—	—	6,010
2025-06-11	FORMELA JEAN FRANCOIS	Director	Award	6,010	—	—	6,010
2025-06-11	Bermingham Nessan	Director	Award	6,010	—	—	6,010
2025-04-01	Dolan Oliver	Senior Vice President, Finance	Award	20,000	—	—	20,000
2025-04-01	Vincent Loic A	Chief Scientific Officer	Award	70,000	—	—	70,000
2025-03-31	Vincent Loic A	Chief Scientific Officer	Other	0	—	—	0
2025-02-11	Dolan Oliver	Senior Vice President, Finance	Other	0	—	—	0
2025-02-11	Dolan Oliver	Senior Vice President, Finance	Other	0	—	—	0
2025-02-03	Agarwal Vineet	Chief Financial Officer	Award	30,000	—	—	30,000
2025-02-03	Aiyar Ram	Director, President and CEO	Award	100,000	—	—	100,000
2025-02-03	Cerio Jeffrey	General Counsel	Award	29,000	—	—	29,000
2025-02-03	Chappell Todd	Chief Operating Officer	Award	34,500	—	—	34,500
2025-02-03	Olugemo Olukemi	Chief Medical Officer	Award	42,000	—	—	42,000
2024-11-11	Agarwal Vineet	Chief Financial Officer	Convert	800	$11.68	$9,344	800
2024-11-11	Agarwal Vineet	Chief Financial Officer	Convert	800	—	—	30,807
2024-11-11	Agarwal Vineet	Chief Financial Officer	Sell	800	$70.00	$56,000	0
2024-10-17	Agarwal Vineet	Chief Financial Officer	Sell	457	$78.59	$35,914	7,118
2024-10-17	Agarwal Vineet	Chief Financial Officer	Sell	317	$81.48	$25,829	25
2024-10-17	Agarwal Vineet	Chief Financial Officer	Convert	9,263	—	—	31,607
2024-10-17	Agarwal Vineet	Chief Financial Officer	Convert	953	$14.98	$14,276	10,216
2024-10-17	Agarwal Vineet	Chief Financial Officer	Sell	115	$74.56	$8,575	7,914
2024-10-17	Agarwal Vineet	Chief Financial Officer	Sell	164	$73.71	$12,089	8,029
2024-10-17	Agarwal Vineet	Chief Financial Officer	Sell	25	$82.89	$2,072	0
2024-10-17	Agarwal Vineet	Chief Financial Officer	Sell	1,815	$79.79	$144,821	5,303
2024-10-17	Agarwal Vineet	Chief Financial Officer	Sell	2,023	$71.51	$144,663	8,193
2024-10-17	Agarwal Vineet	Chief Financial Officer	Sell	23	$77.00	$1,771	7,835
2024-10-17	Agarwal Vineet	Chief Financial Officer	Convert	9,263	$11.68	$108,192	9,263
2024-10-17	Agarwal Vineet	Chief Financial Officer	Sell	260	$77.55	$20,164	7,575
2024-10-17	Agarwal Vineet	Chief Financial Officer	Sell	4,961	$80.50	$399,374	342
2024-10-17	Agarwal Vineet	Chief Financial Officer	Sell	56	$76.00	$4,256	7,858
2024-10-17	Agarwal Vineet	Chief Financial Officer	Convert	953	—	—	45,594
2024-09-03	Cerio Jeffrey	General Counsel	Award	40,000	—	—	40,000
2024-08-30	Cerio Jeffrey	General Counsel	Other	0	—	—	0
2024-08-26	Knobil Katharine	Director	Award	9,041	—	—	9,041
2024-08-26	Knobil Katharine	Director	Other	0	—	—	0
2024-06-11	Bermingham Nessan	Director	Award	5,190	—	—	5,190
2024-06-11	PEARSON TIMOTHY R	Director	Award	5,190	—	—	5,190
2024-06-11	Lucchino David L.	Director	Award	5,190	—	—	5,190
2024-06-11	Behbahani Ali	Director, 10% Owner	Award	5,190	—	—	5,190
2024-06-11	FORMELA JEAN FRANCOIS	Director	Award	5,190	—	—	5,190
2024-06-11	Meyers Rachel	Director	Award	5,190	—	—	5,190
2024-06-03	Olugemo Olukemi	Chief Medical Officer	Award	65,000	—	—	65,000
2024-05-13	Olugemo Olukemi	Chief Medical Officer	Other	0	—	—	0
2024-04-22	Behbahani Ali	Director, 10% Owner	Award	17,857	$56.00	$999,992	1,090,793
2024-04-22	Chang Carmen	10% Owner	Buy	17,857	$56.00	$999,992	1,090,793
2024-04-22	New Enterprise Associates 17, L.P.	10% Owner	Buy	17,857	$56.00	$999,992	1,090,793
2024-04-22	Florence Anthony A. Jr.	10% Owner	Buy	17,857	$56.00	$999,992	1,090,793
2024-04-22	Walker Paul Edward	10% Owner	Buy	17,857	$56.00	$999,992	1,090,793
2024-04-22	Yang Rick	10% Owner	Buy	17,857	$56.00	$999,992	1,090,793
2024-04-22	Makhzoumi Mohamad	10% Owner	Buy	17,857	$56.00	$999,992	1,090,793
2024-04-22	BASKETT FOREST	10% Owner	Buy	17,857	$56.00	$999,992	1,090,793
2024-04-22	SANDELL SCOTT D	10% Owner	Buy	17,857	$56.00	$999,992	1,090,793
2024-04-22	Mathers Edward T	10% Owner	Buy	17,857	$56.00	$999,992	1,090,793
2024-04-22	FORMELA JEAN FRANCOIS	Director	Other	942,075	—	—	942,075
2024-04-22	FORMELA JEAN FRANCOIS	Director	Award	17,857	$56.00	$999,992	195,074
2024-04-22	Atlas Venture Opportunity Fund II, L.P.	10% Owner	Buy	17,857	$56.00	$999,992	195,074
2023-11-27	Meyers Rachel	Director	Other	0	—	—	0
2023-11-27	Meyers Rachel	Director	Award	12,551	—	—	12,551
2023-11-22	Lucchino David L.	Director	Sell	202	$38.82	$7,842	22,150
2023-11-22	Lucchino David L.	Director	Sell	614	$37.98	$23,322	22,352
2023-11-22	Lucchino David L.	Director	Sell	110	$35.99	$3,959	23,196
2023-11-22	Lucchino David L.	Director	Sell	230	$36.74	$8,450	22,966
2023-11-10	Lucchino David L.	Director	Sell	191	$44.01	$8,407	23,407
2023-11-10	Lucchino David L.	Director	Sell	225	$43.17	$9,714	23,598