---
title: "Korsana Biosciences (KRSA) news: reverse split and offering"
url: "https://aibio.space/companies/korsana-biosciences/"
publisher: "aibio.space (Biotech Investor Relations News)"
summary: "KRSA reverse split, offering and merger news: Cyclerion (now Korsana Biosciences) shareholders approve merger issuance and 1-for-7 reverse split."
---

KRSA Korsana Biosciences, Inc. NASDAQ · United States

# Korsana Biosciences (KRSA) news KRSA reverse split, offering and merger news

Mergers · 2026-08-27

## [Cyclerion (now Korsana Biosciences) shareholders approve merger issuance and 1-for-7 reverse split](https://aibio.space/news/cyclerion-now-korsana-biosciences-shareholders-approve-merger-issuance/)

Shareholders backed the Korsana merger share issuance and change of control on August 26, 2026. The combined company expects to trade on Nasdaq as KRSA from September 9, 2026; a Cayman redomestication failed.

## Latest Korsana Biosciences news

1. 2026-04-01 Mergers [Cyclerion (now Korsana Biosciences) agrees to all-stock merger with Korsana, $380 million financing](https://aibio.space/news/cyclerion-now-korsana-biosciences-agrees-all-stock-merger-korsana-380/) Cyclerion and private Korsana Biosciences signed a merger agreement on April 1, 2026. A concurrent private financing of approximately $380 million is expected to fund Korsana's operations into 2029.
2. 2025-05-07 Financings [Cyclerion Therapeutics (now Korsana Biosciences) sets up ATM program with Guggenheim](https://aibio.space/news/cyclerion-therapeutics-now-korsana-biosciences-sets-up-atm-program/) The agreement covers up to $20,000,000 of stock, but small-float limits cap current sales at $2,994,080.

## Korsana Biosciences at a glance

- **Ticker**: KRSA

- **Listing**: NASDAQ

- **Country**: United States

- **Cash, Jun 30, 2026**: $1.4 million

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## Korsana Biosciences annual financials

| Line | FY2025 | FY2024 |
|---|---|---|
| Revenue | [$2.1 million](https://www.sec.gov/Archives/edgar/data/1755237/000119312526132193/) | [$2.0 million](https://www.sec.gov/Archives/edgar/data/1755237/000119312526132193/) |
| Research and development | [$959,000](https://www.sec.gov/Archives/edgar/data/1755237/000119312526132193/) | [$286,000](https://www.sec.gov/Archives/edgar/data/1755237/000119312526132193/) |
| Net income (loss) | [-$3.5 million](https://www.sec.gov/Archives/edgar/data/1755237/000119312526132193/) | [-$3.1 million](https://www.sec.gov/Archives/edgar/data/1755237/000119312526132193/) |
| Cash from operations | [-$3.3 million](https://www.sec.gov/Archives/edgar/data/1755237/000119312526132193/) | [-$4.3 million](https://www.sec.gov/Archives/edgar/data/1755237/000119312526132193/) |
| Cash and equivalents | [$3.2 million](https://www.sec.gov/Archives/edgar/data/1755237/000119312526332842/) | [$3.2 million](https://www.sec.gov/Archives/edgar/data/1755237/000119312526132193/) |

Latest balance sheet, Jun 30, 2026 (10-Q): cash and equivalents $1.4 million.

Figures as reported to the SEC in XBRL; each one links to its filing. Not adjusted, not investment advice.

## Questions about Korsana Biosciences

Did Korsana Biosciences do a reverse stock split?

Our latest story on this, dated Aug 27, 2026: "Cyclerion (now Korsana Biosciences) shareholders approve merger issuance and 1-for-7 reverse split". The story links the filing or release it is based on. [Read the story](https://aibio.space/news/cyclerion-now-korsana-biosciences-shareholders-approve-merger-issuance/).

Has Korsana Biosciences raised money recently?

Our latest story on this, dated May 7, 2025: "Cyclerion Therapeutics (now Korsana Biosciences) sets up ATM program with Guggenheim". The story links the filing or release it is based on. [Read the story](https://aibio.space/news/cyclerion-therapeutics-now-korsana-biosciences-sets-up-atm-program/).

Is Korsana Biosciences involved in a merger or acquisition?

Our latest story on this, dated Aug 27, 2026: "Cyclerion (now Korsana Biosciences) shareholders approve merger issuance and 1-for-7 reverse split". The story links the filing or release it is based on. [Read the story](https://aibio.space/news/cyclerion-now-korsana-biosciences-shareholders-approve-merger-issuance/).

What is the ticker symbol of Korsana Biosciences?

Korsana Biosciences, Inc. trades under the ticker KRSA on NASDAQ.

Where is Korsana Biosciences listed?

Korsana Biosciences, Inc. is listed on NASDAQ.

What is the SEC CIK of Korsana Biosciences?

The SEC Central Index Key (CIK) for Korsana Biosciences, Inc. is 1755237. Its filings are on SEC EDGAR.

How many shares does Korsana Biosciences have outstanding?

4,681,351 shares as of 2026-08-04, per the cover page of its 10-Q filed 2026-08-04.

Which country or territory is Korsana Biosciences listed under?

Our directory records Korsana Biosciences, Inc. under United States.

What does Korsana Biosciences do?

Our directory classifies Korsana Biosciences, Inc. as: Biotechnology. This is a directory classification, not a description of the pipeline.

What is the ISIN of Korsana Biosciences?

The ISIN recorded for Korsana Biosciences, Inc. is US23255M3034.

Does aibio.space cover Korsana Biosciences?

aibio.space lists Korsana Biosciences, Inc. among 2,820 public biotech companies and publishes its news here as stories appear.

Where is Korsana Biosciences incorporated?

SEC records list its state or country of incorporation as MA.

What was Korsana Biosciences's revenue last year?

$2.1 million for the fiscal year ended Dec 31, 2025, as reported to the SEC.

Is Korsana Biosciences profitable?

Korsana Biosciences, Inc. reported a net loss of $3.5 million for the fiscal year ended Dec 31, 2025, and used $3.3 million of cash in operations, per its annual report to the SEC.

How much does Korsana Biosciences spend on research and development?

$959,000 in the fiscal year ended Dec 31, 2025, per its annual report.

## Investor discussion: Korsana Biosciences

Members talk about Korsana Biosciences (KRSA). Reader posts, not aibio.space reporting, and not investment advice.

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## Capital-markets timeline

Financings, listing notices, splits, legal actions and other investor events at Korsana Biosciences, newest first. Each line links the filing it comes from.

1. 2026-08-27 Listings Reported a shareholder vote on a reverse stock split or more authorized shares. SEC Form 8-K (Items 5.07,8.01,9.01). [Source](https://www.sec.gov/Archives/edgar/data/1755237/000119312526369426/d264301d8k.htm)
2. 2026-08-03 Mergers Reported a merger or acquisition agreement. SEC Form 425. [Source](https://www.sec.gov/Archives/edgar/data/1755237/000119312526330785/d157063d425.htm)
3. 2026-05-12 Legal Disclosed a shareholder lawsuit, subpoena or other legal matter. SEC Form 10-Q. [Source](https://www.sec.gov/Archives/edgar/data/1755237/000119312526219478/cycn-20260331.htm)
4. 2026-04-01 Mergers Reported a merger or acquisition agreement. SEC Form 8-K (Items 1.01,5.01,5.02,7.01,9.01). [Source](https://www.sec.gov/Archives/edgar/data/1755237/000119312526137909/d128275dex991.htm)
5. 2025-05-07 Financings Reported a financing. SEC Form 424B5. [Source](https://www.sec.gov/Archives/edgar/data/1755237/000119312525115085/d71624d424b5.htm)

## Stock chart

Price chart and quote supplied by TradingView, delayed as the exchange requires. It loads only if you choose to show it. Information only, not investment advice. [Open NASDAQ:KRSA on TradingView](https://www.tradingview.com/symbols/NASDAQ-KRSA/).

## SEC filings and registration

- **SEC name**: Korsana Biosciences, Inc.

- **CIK**: 1755237

- **Industry (SIC)**: Pharmaceutical Preparations (2834)

- **US tickers**: KRSA (Nasdaq)

- **State or country of incorporation**: MA

- **Fiscal year ends**: December 31

- **Filer category**: Non-accelerated filer<br>Smaller reporting company

- **Business address**: 203 CRESCENT STREET, WALTHAM, MA, 02453

- **Phone**: (781) 516-2325

- **Shares outstanding**: 4,681,351 as of 2026-08-04 (10-Q filed 2026-08-04)

- **Former names**: Cyclerion Therapeutics, Inc.

### Recent filings (8-K and 6-K are the company's own announcements)

- [DEF 14A](https://www.sec.gov/Archives/edgar/data/1755237/000119312526422893/d36079ddef14a.htm) filed 2026-10-15
- [8-K](https://www.sec.gov/Archives/edgar/data/1755237/000119312526389318/d178159d8k.htm) filed 2026-09-11
- [8-K](https://www.sec.gov/Archives/edgar/data/1755237/000119312526369426/d264301d8k.htm) filed 2026-08-27
- [8-K](https://www.sec.gov/Archives/edgar/data/1755237/000119312526365150/d376250d8k.htm) filed 2026-08-25
- [10-Q](https://www.sec.gov/Archives/edgar/data/1755237/000119312526332842/cycn-20260630.htm) filed 2026-08-04
- [10-Q](https://www.sec.gov/Archives/edgar/data/1755237/000119312526219478/cycn-20260331.htm) filed 2026-05-12
- [8-K](https://www.sec.gov/Archives/edgar/data/1755237/000119312526137909/d128275d8k.htm) filed 2026-04-01
- [10-K](https://www.sec.gov/Archives/edgar/data/1755237/000119312526132193/cycn-20251231.htm) filed 2026-03-30

Source: [SEC EDGAR](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001755237), retrieved October 23, 2026. Shares outstanding is the cover-page figure from the latest periodic report. The SEC does not publish share prices.

## Listing details

Korsana Biosciences, Inc. is a public biotech or pharmaceutical company listed on NASDAQ under the ticker KRSA, recorded under United States. The directory classifies it as Biotechnology. aibio.space tracks 2,820 public biotech companies worldwide and publishes investor news on them.

- **Company**: Korsana Biosciences, Inc.

- **Ticker**: KRSA

- **Listing**: NASDAQ

- **Country or territory**: United States

- **Business scope**: Biotechnology

- **ISIN**: US23255M3034

- **Last quote in directory**: 2026-10-21

- **Directory source**: [Listing page](https://www.tradingview.com/symbols/NASDAQ-KRSA/)

Listing facts come from our company directory, researched on October 22, 2026. A listing record does not certify that a security currently trades. [Tell us about a change](https://aibio.space/reputation/#update). Work at this company? [Claim this page](https://aibio.space/claim/).

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---
Source page: https://aibio.space/companies/korsana-biosciences/. Facts in aibio.space stories are checked against company filings and releases; opinion is labelled. Cite as: aibio.space, "Korsana Biosciences (KRSA) news: reverse split and offering", 2026-10-31, https://aibio.space/companies/korsana-biosciences/
