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KRRO

Korro Bio Inc

May 29 • 04:00PM ET

13.41

+0.01 0.07 %

Healthcare • Biotechnology • USA • Micro • NASD

Peers: MGNX ABOS CAMP CNTX CRBP ELTX ENLV RNA SABS TENX

| Held by: VTI IWM VXF LFSC IWN VTWO VHT IWC ITOT DFAS

Scroll to Statements

Index	RUT	P/E	-	EPS (ttm)	-11.68	Insider Own	33.06%	Shs Outstand	14.42M	Perf Week	19.73%
Market Cap	193.40M	Forward P/E	-	EPS next Y	-5.13	Insider Trans	64.21%	Shs Float	9.66M	Perf Month	6.34%
Enterprise Value	121.31M	PEG	-	EPS next Q	-1.31	Inst Own	58.88%	Short Float	12.37%	Perf Quarter	10.55%
Income	-113.50M	P/S	50.37	EPS this Y	57.34%	Inst Trans	28.42%	Short Ratio	6.67	Perf Half Y	134.03%
Sales	3.84M	P/B	1.62	EPS next Y	3.56%	ROA	-58.83%	Short Interest	1.19M	Perf YTD	67.42%
Book/sh	8.29	P/C	1.68	EPS next 5Y	25.48%	ROE	-87.78%	52W High	55.89 -76.01%	Perf Year	14.32%
Cash/sh	7.97	P/FCF	-	EPS past 3/5Y	62.00% 21.21%	ROIC	-71.06%	52W Low	5.20 157.67%	Perf 3Y	-25.27%
Dividend Est.	-	EV/EBITDA	-	Sales past 3/5Y	- -29.61%	Gross Margin	10.75%	Volatility	9.03% 8.49%	Perf 5Y	-96.97%
Dividend TTM	-	EV/Sales	31.59	EPS Y/Y TTM	-23.75%	Oper. Margin	-2154.03%	ATR (14)	0.98	Perf 10Y	-
Dividend Ex-Date	-	Quick Ratio	8.13	Sales Y/Y TTM	-20.31%	Profit Margin	-2954.14%	RSI (14)	58.91	Recom	1.25
Dividend Gr. 3/5Y	- -	Current Ratio	8.13	EPS Q/Q	32.11%	SMA20	12.95%	Beta	3.01	Target Price	19.82
Payout	-	Debt/Eq	0.36	Sales Q/Q	-100.00%	SMA50	8.56%	Rel Volume	0.66	Prev Close	13.40
Employees	58	LT Debt/Eq	0.34	Earnings	May 07 BMO	SMA200	-26.99%	Avg Volume	179.11K	Price	13.41
IPO	Oct 03, 2019	Option/Short	Yes / Yes	EPS/Sales Surpr.	2.13% -100.00%	Trades		Volume	118,168	Change	0.07%

Date	Action	Analyst	Rating Change	Price Target Change
May-18-26	Initiated	Citigroup	Buy	$21
Mar-13-26	Upgrade	Raymond James	Mkt Perform → Outperform	$23
Feb-17-26	Upgrade	William Blair	Mkt Perform → Outperform
Jan-29-26	Upgrade	Piper Sandler	Neutral → Overweight	$30
Jan-29-26	Upgrade	H.C. Wainwright	Neutral → Buy	$20
Jan-29-26	Upgrade	Chardan Capital Markets	Neutral → Buy	$15
Jan-28-26	Upgrade	Oppenheimer	Perform → Outperform	$22
Jan-28-26	Upgrade	Cantor Fitzgerald	Neutral → Overweight	$21
Nov-13-25	Downgrade	William Blair	Outperform → Mkt Perform
Nov-13-25	Downgrade	RBC Capital Mkts	Outperform → Sector Perform	$8
Nov-13-25	Downgrade	Raymond James	Strong Buy → Mkt Perform
Nov-13-25	Downgrade	Piper Sandler	Overweight → Neutral	$11
Nov-13-25	Downgrade	H.C. Wainwright	Buy → Neutral
Nov-13-25	Downgrade	Chardan Capital Markets	Buy → Neutral	$7
Nov-13-25	Downgrade	Cantor Fitzgerald	Overweight → Neutral
Apr-29-25	Initiated	Cantor Fitzgerald	Overweight	$74
Apr-16-25	Initiated	Chardan Capital Markets	Buy	$25
Jan-10-25	Initiated	Oppenheimer	Outperform	$155
Oct-21-24	Initiated	Raymond James	Strong Buy	$153
Aug-14-24	Initiated	William Blair	Outperform	$180

Show Previous Ratings

May-27-26 07:00AM	Korro to Present at the 2026 Jefferies Global Healthcare Conference (GlobeNewswire) +11.60%
May-19-26 07:00AM	Korro Selects KRRO-111 as Development Candidate for the Potential Treatment of Alpha-1 Antitrypsin Deficiency (AATD) (GlobeNewswire) -8.22%
May-15-26 04:05PM	Korro Bio Reports Inducement Grant Under Nasdaq Listing Rule 5635(c)(4) (GlobeNewswire) -8.12%
May-07-26 07:00AM	Korro Reports First Quarter 2026 Financial Results and Provides Corporate Update (GlobeNewswire)
May-05-26 04:05PM	Korro to Participate in Upcoming Investor Conferences (GlobeNewswire) +5.96%
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Apr-16-26 07:30AM	Korro Announces Oral and Poster Presentations at Upcoming Scientific Conferences (GlobeNewswire)
Apr-10-26 04:05PM	Korro Bio Reports Inducement Grant Under Nasdaq Listing Rule 5635(c)(4) (GlobeNewswire) +7.97%
Mar-12-26 04:05PM	Korro Reports Fourth Quarter and Full Year 2025 Financial Results and Provides Corporate Update (GlobeNewswire) +11.30%
Mar-10-26 06:09AM	United Therapeutics (UTHR) Surges 10.7%: Is This an Indication of Further Gains? (Zacks) -6.67%
Mar-09-26 07:30AM	Korro Announces Oversubscribed $85 Million Private Placement (GlobeNewswire) +10.02%
Feb-26-26 12:15PM	Collegium Pharmaceutical (COLL) Q4 Earnings and Revenues Miss Estimates (Zacks)
Feb-25-26 04:05PM	Korro to Present at the TD Cowen 46th Annual Health Care Conference (GlobeNewswire)
Feb-02-26 09:53AM	H.C. Wainwright Flag KRRO-121 as Independent Value Driver for Korro Bio, Inc. (KRRO) (Insider Monkey)
Jan-30-26 07:35AM	Strength Seen in Korro Bio, Inc. (KRRO): Can Its 13.9% Jump Turn into More Strength? (Zacks)
03:08AM	Korro Bio Analyst Day: KRRO-121 RNA-Editing Candidate Targets Ammonia Control in UCD and HE (MarketBeat)
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Jan-29-26 09:35AM	First Solar downgraded, Fortinet upgraded: Wall Street's top analyst calls (The Fly) +13.86%
Jan-20-26 08:00AM	Korro to Host Virtual Analyst Day on January 27, 2026 (GlobeNewswire)
Jan-08-26 08:00AM	Korro to Present at the 44th Annual J.P. Morgan Healthcare Conference (GlobeNewswire) +7.77%
Nov-13-25 09:45AM	Nike upgraded, Dollar Tree downgraded: Wall Street's top analyst calls (The Fly) -79.31%
09:37AM	Korro Bio Plummets To A Record Low On A Big Setback In RNA-Editing (Investor's Business Daily)
Nov-12-25 05:59PM	This biotech is halting its work with Novo Nordisk and laying off more people (MarketWatch)
05:40PM	Korro Bio, Inc. (KRRO) Reports Q3 Loss, Lags Revenue Estimates (Zacks)
04:05PM	Korro Reports Third Quarter Financial Results, Provides Updates on KRRO-110 in Alpha-1 Antitrypsin Deficiency and Additional Pipeline Programs (GlobeNewswire)
Sep-02-25 04:30PM	Korro to Participate in Upcoming Investor and Scientific Conferences (GlobeNewswire) +17.25%
Aug-12-25 07:00AM	Korro Reports Second Quarter 2025 Financial Results and Provides Business Updates (GlobeNewswire) +6.25%
Jul-21-25 08:00AM	Korro Receives European Medicines Agency Orphan Drug Designation for KRRO-110 (GlobeNewswire)
May-14-25 04:05PM	Korro to Participate in Upcoming Investor Conferences (GlobeNewswire) -9.26%
May-09-25 10:31AM	Korro Bio price target lowered to $53 from $130 at H.C. Wainwright (TipRanks)
May-07-25 04:30PM	Korro Reports First Quarter 2025 Financial Results and Provides Business Updates (GlobeNewswire) -5.85% +10.55%
Apr-01-25 07:30AM	Korro Appoints Biotech Industry Veteran, Loic Vincent, Ph.D., as Chief Scientific Officer (GlobeNewswire) -8.39%
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07:30AM	Korro Appoints Biotech Industry Veteran, Lo c Vincent, Ph.D., as Chief Scientific Officer (GlobeNewswire)
Mar-28-25 06:18PM	Korro Bio: Promising Early Stage RNA Editing Company (Seeking Alpha) -5.11%
Mar-18-25 07:00AM	Korro Reports Full Year 2024 Financial Results and Provides Business Updates (GlobeNewswire)
Mar-17-25 07:26AM	FDA grants orphan drug status for Korro Bio's AATD therapy (Pharmaceutical Business Review)
Mar-14-25 08:00AM	KRRO-110 Receives Orphan Drug Designation from U.S. FDA for Alpha-1 Antitrypsin Deficiency (GlobeNewswire)
Feb-26-25 08:00AM	Korro to Present at the TD Cowen 45th Annual Health Care Conference (GlobeNewswire)
Jan-13-25 08:00AM	Korro Bio Announces Dosing of First Participants in REWRITE Phase 1/2a Study of KRRO-110 for Alpha-1 Antitrypsin Deficiency and Provides Pipeline Update (GlobeNewswire) +8.20%
Jan-07-25 08:00AM	Korro to Present at the 43rd Annual J.P. Morgan Healthcare Conference (GlobeNewswire) -7.23%
Dec-10-24 08:00AM	CAMP4 Appoints John Maraganore and Rachel Meyers as Strategic Advisors (GlobeNewswire)
Nov-21-24 04:01PM	Korro to Participate in Upcoming Investor Conferences (GlobeNewswire) +7.70%
07:30AM	Korro Receives Australian HREC Approval and CTN Clearance to Initiate Phase 1/2a Clinical Study (REWRITE) of KRRO-110 for Alpha-1 Antitrypsin Deficiency (GlobeNewswire)
Nov-14-24 08:00AM	Korro to Present at the Jefferies London Healthcare Conference (GlobeNewswire) -9.65%
Nov-12-24 04:05PM	Korro Reports Third Quarter 2024 Financial Results and Provides Business Updates (GlobeNewswire) -11.37% -15.55%
Nov-04-24 07:25AM	Korro Announces Regulatory Filing for Initiation of KRRO-110 First-In-Human Study and Formation of Clinical Advisory Board (GlobeNewswire)
Oct-21-24 04:15PM	Korro Bio Is Lagging Wave Life Sciences In RNA Editing. Why It Could Ultimately Lead The Space. (Investor's Business Daily) -5.22% -7.70%
Oct-16-24 04:20PM	Wave Life Sciences Just Edited RNA. Why Its Key Rival, Korro Bio, Skyrocketed. (Investor's Business Daily) +93.66%
Sep-30-24 08:00AM	Korro Announces Oral and Poster Presentations at the 20th Annual Meeting of the Oligonucleotide Therapeutics Society (GlobeNewswire)
Sep-16-24 08:00AM	Korro Bio Announces Collaboration with Novo Nordisk to Develop Two Therapeutic Candidates (GlobeNewswire)
Sep-10-24 08:00AM	Korro to Participate in Upcoming Investor Conferences (GlobeNewswire)
Aug-28-24 08:00AM	Korro Announces Addition of Industry Veteran Katharine Knobil to and Resignation of David Lucchino From Its Board of Directors (GlobeNewswire)
Aug-27-24 08:00AM	Korro to Participate in Upcoming September Investor and Scientific Conferences (GlobeNewswire)
Aug-13-24 04:01PM	Korro Reports Second Quarter 2024 Financial Results and Provides Business Updates (GlobeNewswire) +9.21%
Jul-01-24 08:00AM	Korro Joins the Russell 2000 , Russell 3000 , and Russell Microcap Indexes (GlobeNewswire)
Jun-25-24 12:53PM	KRRO Stock Earnings: Korro Bio Beats EPS for Q4 2023 (InvestorPlace)
May-30-24 04:01PM	Korro to Participate in Upcoming June Investor and Scientific Conferences (GlobeNewswire)
May-20-24 02:30PM	Korro Presents Additional Preclinical Data for KRRO-110 at the American Thoracic Society 2024 International Conference (GlobeNewswire)
May-14-24 10:55PM	KRRO Stock Earnings: Korro Bio Beats EPS for Q1 2024 (InvestorPlace) +5.43%
04:01PM	Korro Reports First Quarter 2024 Financial Results and Appointment of Kemi Olugemo, M.D. as Chief Medical Officer (GlobeNewswire)
Apr-18-24 08:30AM	Korro Announces $70 Million Private Placement (GlobeNewswire)
Apr-01-24 04:01PM	Korro to Participate in Upcoming Investor Conferences (GlobeNewswire) -7.90%
Mar-26-24 04:01PM	Korro Reports Full Year 2023 Financial Results and Highlights Recent Progress (GlobeNewswire) +18.43%
Feb-27-24 09:55AM	Wall Street Analysts Believe Korro Bio, Inc. (KRRO) Could Rally 86.94%: Here's is How to Trade (Zacks) -6.08%
08:00AM	Korro to Present at the TD Cowen 44th Annual Health Care Conference (GlobeNewswire)
Feb-09-24 09:55AM	Does Korro Bio, Inc. (KRRO) Have the Potential to Rally 59.66% as Wall Street Analysts Expect? (Zacks)
Jan-18-24 08:00AM	Korro Bio Highlights Data for its Lead Program in Alpha-1 Antitrypsin Deficiency (AATD) and Progress Across its RNA Editing Portfolio (GlobeNewswire) -5.98%
Jan-04-24 08:00AM	Korro to Present at the 42nd Annual J.P. Morgan Healthcare Conference (GlobeNewswire)
Dec-07-23 08:00AM	Korro Announces Selection of its First Development Candidate for the Potential Treatment of Alpha-1 Antitrypsin Deficiency (AATD) (GlobeNewswire) -14.67%
Nov-28-23 08:00AM	Korro Bio Appoints Dr. Rachel Meyers to Board of Directors (GlobeNewswire) +6.45%
Nov-03-23 03:31PM	UPDATE: Korro Bio and Frequency Therapeutics Announce Closing of Merger and Private Placement of $117 Million (GlobeNewswire) +5.94%
12:19PM	Korro Bio and Frequency Therapeutics Announce Closing of Merger and Private Placement of $117 Million (GlobeNewswire)
Aug-10-23 04:01PM	Frequency Therapeutics Provides Business Updates and Second Quarter 2023 Financial Results (Business Wire)
Jul-17-23 11:59AM	Frequency (FREQ) Up 77% on Merger Deal With Korro Bio (Zacks) -12.66%
Jul-14-23 11:22AM	Why Are Frequency Therapeutics Shares Surging Today (Benzinga) +77.47%
06:30AM	Korro Bio and Frequency Therapeutics Announce Merger Agreement (Business Wire)
May-12-23 04:01PM	Frequency Therapeutics Provides Business Updates and First Quarter 2023 Financial Results (Business Wire) -5.17%
Mar-10-23 07:30AM	Frequency Therapeutics Provides Business Updates and Fourth Quarter and Full Year 2022 Financial Results (Business Wire)
Feb-27-23 07:30AM	Frequency Therapeutics to Participate at Upcoming March Investor Conferences (Business Wire) +5.40%
Feb-13-23 01:55PM	Hearing loss startup to cut more than half of staff in wake of trial failure (American City Business Journals) -80.54%
11:17AM	Frequency Therapeutics' Lead Hearing Loss Program Flunks, Shifts Focus To Multiple Sclerosis, Shares Plunge (Benzinga)
08:05AM	Frequency Therapeutics Announces Topline Results for its Phase 2b Study of FX-322 for the Treatment of Sensorineural Hearing Loss (Business Wire)
Dec-19-22 07:30AM	Frequency Therapeutics Announces Formation of Clinical Advisory Board for Remyelination in Multiple Sclerosis Program (Business Wire)
Dec-15-22 07:30AM	Frequency Therapeutics Announces First Patient Dosed in Phase 1b Study of FX-345, the Companys Second Therapeutic Candidate for Sensorineural Hearing Loss (Business Wire)
Nov-17-22 07:30AM	Frequency Therapeutics to Host Virtual Investor Event, Highlighting Hearing Restoration Candidate FX-322 in Advance of Q1 Clinical Results (Business Wire) -10.05%
Nov-08-22 04:05PM	Frequency Therapeutics Provides Business Updates and Third Quarter 2022 Financial Results (Business Wire) -9.51%
Oct-12-22 07:30AM	Frequency Therapeutics Completes Enrollment of Phase 2b Study of FX-322 for the Treatment of Sensorineural Hearing Loss (Business Wire) +7.47%
Aug-30-22 07:30AM	Frequency Therapeutics to Participate in September Investor and Medical Conferences (Business Wire)
Aug-09-22 04:05PM	Frequency Therapeutics Provides Business Updates and Second Quarter 2022 Financial Results (Business Wire) -11.11% +9.00%
Jun-24-22 09:03AM	Frequency Therapeutics (NASDAQ:FREQ) one-year losses have grown faster than shareholder returns have fallen, but the stock jumps 41% this past week (Simply Wall St.) -7.59%
May-25-22 12:00PM	Frequency Therapeutics, Inc. (FREQ) Upgraded to Buy: What Does It Mean for the Stock? (Zacks)
May-18-22 07:30AM	Frequency Therapeutics to Participate in 2022 H.C. Wainwright Global Investment Conference (Business Wire) -9.02%
May-04-22 04:30PM	Frequency Therapeutics Provides Business Updates and First Quarter 2022 Financial Results (Business Wire)
Apr-22-22 07:30AM	Frequency Therapeutics to Participate in B. Riley Securities Neuro & Ophthalmology Investor Conference (Business Wire)
Apr-08-22 05:00PM	Frequency Exchange Corp. Virtually Closes the Market (PR Newswire) -8.82%
Mar-15-22 07:30AM	Frequency Therapeutics Provides Business Updates and Reports Fourth Quarter and Full Year 2021 Financial Results (Business Wire) +15.29%
Mar-10-22 06:35PM	Poseida Therapeutics, Inc. (PSTX) Beats Q4 Earnings and Revenue Estimates (Zacks) -13.70%
Feb-28-22 07:30AM	Frequency Therapeutics to Participate in Upcoming March 2022 Investor Conferences (Business Wire)
Jan-14-22 05:43AM	One Frequency Therapeutics, Inc. (NASDAQ:FREQ) insider upped their stake in the previous year (Simply Wall St.)
Jan-04-22 07:30AM	Frequency Therapeutics to Present 2022 Business and Pipeline Overview at the 40th Annual J.P. Morgan Healthcare Conference (Business Wire)
Dec-28-21 02:38AM	Destra Investment Trust Buys ThredUp Inc, Etsy Inc, Riskified, Sells , , 2U Inc (GuruFocus.com) +5.28%
Dec-09-21 01:18PM	Frequency Therapeutics' Hearing Loss Candidate Shows Improved Speech Perception In Noise (Benzinga)

Korro Bio, Inc. operates as a clinical-stage biopharmaceutical company, which engages in the discovery, development, and commercialization of a new class of genetic medicines based on editing RNA. The company was founded by Nessan Bermingham, Jean-Francois B. Formela, Joshua Rosenthal, and Andrew Fraley in 2018 and is headquartered in Cambridge, MA.

Ph.D.Dr. Ram Aiyar MBA

Chief Scientific OfficerDr. Loic Vincent Ph.D.

Pharm.D.Dr. Jeffrey M. Cerio J.D.

Co-Founder & AdvisorDr. Andrew Fraley Ph.D.

Co-Founder & AdvisorDr. Joshua Rosenthal Ph.D.

Insider Trading	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
Aiyar Ram	Officer	May 29 '26	Proposed Sale	12.98	15,152	196,676		May 29 03:09 PM
Lynx1 Capital Management LP	10% Owner	Mar 31 '26	Buy	10.60	520	5,512	1,538,296	Apr 02 12:00 PM
Yang Rick	10% Owner	Mar 10 '26	Buy	11.11	207,100	2,300,881	1,297,893	Mar 12 08:15 PM
SANDELL SCOTT D	10% Owner	Mar 10 '26	Buy	11.11	207,100	2,300,881	1,297,893	Mar 12 08:15 PM
New Enterprise Associates 17,	10% Owner	Mar 10 '26	Buy	11.11	207,100	2,300,881	1,297,893	Mar 12 08:15 PM
Chang Carmen	10% Owner	Mar 10 '26	Buy	11.11	207,100	2,300,881	1,297,893	Mar 12 08:15 PM
BASKETT FOREST	10% Owner	Mar 10 '26	Buy	11.11	207,100	2,300,881	1,297,893	Mar 12 08:15 PM
Mathers Edward T	10% Owner	Mar 10 '26	Buy	11.11	207,100	2,300,881	1,297,893	Mar 12 08:15 PM
Makhzoumi Mohamad	10% Owner	Mar 10 '26	Buy	11.11	207,100	2,300,881	1,297,893	Mar 12 08:15 PM
Walker Paul Edward	10% Owner	Mar 10 '26	Buy	11.11	207,100	2,300,881	1,297,893	Mar 12 08:15 PM
Florence Anthony A. Jr.	10% Owner	Mar 10 '26	Buy	11.11	207,100	2,300,881	1,297,893	Mar 12 08:15 PM

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KRRO

Korro Bio Inc

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