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Korsana Biosciences, Inc.

KRSAFDA catalysts, PDUFA dates & pipeline intelligence
$31.66
▲ +1.52 · +5.04%

Financials

Last updated
Revenue
R&D Expenses
Operating CF
Total Assets
Total Liabilities
Equity
Shares Out.
D/E Ratio
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Quarterly Cash
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Volume
197.55 K
Value Traded
-
Short % Float
0.05%
Days to Cover
1.0
+5.29%Week
+3.06%1 Month

Cash Data

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  • Monthly Burn
  • Burn Trend
  • Dilution Risk
  • SEC Filing

Key Stats

Market Cap
1.44 B
EPS (TTM)
-0.15
P/E Ratio
-
Ent. Value
1.44 B
Total Shares
45.54 M
Float Shares
44.96 M
Insiders
1.27%
Institutions
21.30%

Upcoming Catalysts

FDA decisions, readouts and PDUFA dates · scored by probability of approval

Catalyst Drug / Treatment Stage Prob. of Approval Description Drug Type Therapeutic Area Source
Phase 1 data readout
KRSA-028
Alzheimer's disease
Phase 1BiologicsNervous System
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Every FDA decision, readout and PDUFA date, with drug type, therapeutic area and a PoA score you can trade on.
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PoA blends historical approval base rates, trial design score and FDA review track record.

KRSA Catalyst Timeline

Dated clinical, regulatory and corporate events for Korsana Biosciences, Inc.

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Every PDUFA date, readout, approval and corporate move, tiered by market impact and updated daily.
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Past FDA Catalysts and PDUFA Decisions

How KRSA actually traded into and out of each decision

Date Drug Catalyst Stage Reaction Event Move % Best Trade %
No matching catalysts
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Reaction: 30 trading days around the event · Event Move: close to close on decision day · Best Trade: peak run-up from entry 10 days before the decision

Drug Pipeline Intelligence

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Every scored asset with PTRS, rNPV, enrollment velocity and trial design quality.
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Clinical Trial Results

Readouts, endpoints and source filings for every KRSA program

Drug Name Indication Phase Date Trial Results SummaryTitleSource
Scroll for more · summaries link to the source press release
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Inside Trades

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Monthly insider buys and sells against the stock price, with the insider sentiment reading.
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InsiderSideSharesPriceValueDate
CHICKO RHONDA M.Officer (Chief Financial Officer)Option 25,000 25,018 held$2.36 08/14/2026
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Hedge Fund 13F Activity

Fund % of Portfolio Current MV Shares Owned Activity
No hedge fund reported a 13F position in KRSA for Q2 2026.
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Every 13F position with quarter over quarter share flow and average entry price.
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Shares held by hedge funds each quarter, and who bought or sold.

Ownership Trends

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Insider and institutional ownership, quarter by quarter.

KRSA Short Interest

Shares sold short, counted twice a month.

0.05%
Short % of Float
of tradable shares sold short
23.8K
Shares Sold Short
+106.1% vs prior count
1.0 Low
Days to Cover
trading days of normal volume to buy every short share back
97.8K
Avg Daily Volume
the average used for days to cover
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Two years of days to cover and shares sold short, with every count and its change.
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Options Data

Option Volume

Open Interest
Call OI
Put OI
Put-Call Ratio
OI 30-day avg
Today vs avg
Option Volume
Call Vol
Put Vol
Put-Call Ratio
Vol 30-day avg
Today vs avg

Option Chain Statistics

ExpiryCall VolPut VolVol P/CCall OIPut OIOI P/CIV CallIV Call OI-WtdIV Call Vol-WtdIV PutIV Put OI-WtdIV Put Vol-Wtd
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Per-expiry call and put volume, open interest, put-call ratios and implied volatility.
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Real-Time Option Chain

CallsStrikePuts
LastVolOILastVolOI
No data available
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Live calls and puts by strike: last price, volume and open interest for every expiry.
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Calls vs Puts by Expiry

CallsPutsLog scale
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Competitive positioning

How KRSA ranks across every disease it competes in

Competitive Position is a premium feature
See how KRSA ranks against every competitor across each disease it develops in: phase, best drug, trials and likelihood of approval.
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KRSA News

-KRSA
Nov 2, 2026
KRSAConferences/Events
▲ +5%today

Korsana Biosciences to Participate in Upcoming Investor Conferences

Korsana Biosciences announced its participation in several upcoming investor conferences, including the Guggenheim and Stifel Healthcare Conferences. The events will feature fireside chats and presentations scheduled from November 9 to November 17, 2026. The company aims to advance its lead program, KRSA-028, targeting Alzheimer's disease.

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-KRSA
Sep 8, 2026
KRSAGeneral

Korsana Biosciences Completes Closing of Merger with Cyclerion Therapeutics and Previously Announced Private Placement of $380 Million

Korsana Biosciences has successfully completed its merger with Cyclerion Therapeutics, alongside a private placement that raised $380 million. This merger is expected to strengthen Korsana's financial position and advance its lead program, KRSA-028, toward clinical trials. Phase 1 data from healthy volunteers is anticipated by mid-2027, with interim data in Alzheimer's patients expected by late 2027 or early 2028.

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-KRSA
Aug 3, 2026
KRSAGeneral

Korsana Biosciences Strengthens Leadership with Executive and Board Appointments to Support Next Phase of Growth

Korsana Biosciences has appointed Matthew Leoni, M.D., as Chief Medical Officer and Gan Wei, Ph.D., as Chief Technical Officer, alongside Heidi Henson to its Board of Directors. These appointments aim to bolster Korsana's leadership as it advances its Alzheimer's treatment, KRSA-028, towards clinical development. The company also anticipates a merger with Cyclerion Therapeutics in Q3 2026.

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-KRSA
Mar 16, 2026
KRSAGeneral

Korsana Biosciences Appoints Mark Vignola, Ph.D., as Chief Financial Officer

Korsana Biosciences has appointed Mark Vignola, Ph.D., as Chief Financial Officer. With over 15 years of experience in corporate finance within the biotech sector, Dr. Vignola aims to support Korsana's mission of developing innovative therapies for neurodegenerative diseases. His previous roles include CFO positions at Terns Pharmaceuticals and Applied Therapeutics, where he successfully led financing efforts.

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-KRSA
Mar 12, 2026
KRSAConferences/Events

Korsana Biosciences to Present at the Stifel 2026 Virtual CNS Forum

Korsana Biosciences will present at the Stifel 2026 Virtual CNS Forum on March 17, 2026. CEO Jonathan Violin will discuss the company's novel therapies aimed at neurodegenerative diseases. Korsana's THETA platform is designed to improve drug delivery to the brain, with KRSA-028 targeting Alzheimer's disease. A live webcast will be available on their website.

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-KRSA
Feb 18, 2026
KRSAGeneral

Korsana Biosciences Emerges from Stealth with $175 Millon in Funding to Advance Potential Best-in-Class Therapeutics for Neurodegenerative Diseases

Korsana Biosciences has emerged from stealth with $175 million in funding to develop KRSA-028, a next-generation monoclonal antibody targeting amyloid beta for Alzheimer's disease. The funding will support the company's mission to create best-in-class therapeutics for neurodegenerative diseases, leveraging its proprietary THETA™ platform. Korsana is led by CEO Jonathan Violin and aims to address the growing need for effective Alzheimer's treatments.

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About Korsana Biosciences, Inc.

Cambridge, MA korsana.com
Headquarters301 BINNEY STREET, CAMBRIDGE, MA, 02142
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