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Cyclerion Therapeutics, Inc. (CYCN)

Cyclerion Therapeutics, Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Cyclerion Therapeutics, Inc. (CYCN) is a Biotechnology company based in US with a market capitalization of $13.6M. Free cash flow was negative at -$3.3M. This page tracks CYCN's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 1 employees · IPO Mar 18, 2019

Valuation

Valuation & price

$3.12 · as of May 17, 2026 · -51.1% vs 52w high

—

P/E ratio

Latest-FY diluted EPS

1.50

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$6.15$3.66$1.17Jul 25Dec 25Jul 26Jul 7, 25$3.09Jul 9, 25$3.47Jul 11, 25$3.64Jul 15, 25$3.18Jul 17, 25$3.02Jul 21, 25$3.37Jul 23, 25$3.00Jul 25, 25$2.86Jul 29, 25$2.73Jul 31, 25$2.65Aug 4, 25$2.79Aug 6, 25$2.39Aug 11, 25$2.17Aug 13, 25$2.47Aug 15, 25$2.36Aug 19, 25$2.34Aug 21, 25$2.38Aug 25, 25$2.55Aug 27, 25$2.57Aug 29, 25$2.47Sep 3, 25$2.42Sep 5, 25$2.22Sep 9, 25$2.60Sep 11, 25$2.55Sep 16, 25$2.45Sep 18, 25$2.34Sep 22, 25$3.04Sep 24, 25$3.25Sep 26, 25$2.42Sep 30, 25$2.30Oct 2, 25$2.48Oct 6, 25$2.39Oct 8, 25$2.52Oct 10, 25$2.33Oct 14, 25$2.37Oct 16, 25$2.25Oct 21, 25$2.16Oct 23, 25$2.13Oct 27, 25$2.10Oct 29, 25$1.97Oct 31, 25$1.87Nov 4, 25$1.69Nov 6, 25$1.69Nov 10, 25$1.80Nov 12, 25$1.42Nov 14, 25$1.36Nov 18, 25$1.42Nov 20, 25$1.42Nov 25, 25$1.47Nov 28, 25$1.58Dec 2, 25$1.53Dec 4, 25$1.70Dec 8, 25$1.69Dec 10, 25$1.72Dec 12, 25$1.51Dec 16, 25$1.53Dec 18, 25$1.47Dec 22, 25$1.47Dec 24, 25$1.38Dec 29, 25$1.20Jan 2, 26$1.34Jan 6, 26$1.95Jan 8, 26$1.93Jan 12, 26$1.71Jan 14, 26$1.52Jan 16, 26$1.36Jan 21, 26$1.35Jan 23, 26$1.54Jan 27, 26$1.50Jan 29, 26$1.37Feb 2, 26$1.38Feb 4, 26$1.24Feb 9, 26$1.17Feb 11, 26$1.22Feb 13, 26$1.25Feb 18, 26$1.35Feb 20, 26$1.34Feb 24, 26$1.32Feb 26, 26$1.31Mar 2, 26$1.30Mar 4, 26$1.39Mar 6, 26$1.41Mar 10, 26$1.47Mar 12, 26$1.42Mar 17, 26$1.48Mar 19, 26$1.51Mar 23, 26$1.59Mar 25, 26$1.62Mar 27, 26$1.51Mar 31, 26$1.55Apr 2, 26$6.15Apr 7, 26$3.48Apr 9, 26$3.16Apr 13, 26$2.89Apr 15, 26$3.03Apr 17, 26$3.02Apr 22, 26$3.06Apr 24, 26$2.94Apr 28, 26$3.04Apr 30, 26$3.31May 4, 26$3.26May 6, 26$3.24May 8, 26$3.10May 12, 26$3.18May 14, 26$3.09May 18, 26$3.02May 20, 26$3.08May 22, 26$3.18May 28, 26$3.18Jun 1, 26$3.08Jun 3, 26$3.00Jun 5, 26$2.98Jun 9, 26$3.00Jun 11, 26$3.21Jun 15, 26$3.18Jun 17, 26$3.18Jun 22, 26$3.22Jun 24, 26$3.14Jun 26, 26$3.38Jul 2, 26$3.56
$1.0852-week range$6.38
Loading valuation history…

Fundamentals

Key fundamentals

$13.6M

Market cap

—

Revenue growth (YoY)

100.0%

Gross margin

-$3.3M

Free cash flow (USD)

-$3.2M

Net debt

Net cash position

28.1%

Share dilution

2/5

Graham criteria passed

Defensive-investor screen

Healthcare

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$0.00FY 2017$0.00FY 2018$0.00FY 2019$4.5MFY 2020$2.3MFY 2021$3.3MFY 2022$297.0KFY 2023$0.00FY 2024$2.0MFY 2025$2.1M
$0$2.1M

Free cash flow by year

2016 → 2025

FY 2016$-51.3MFY 2017$-82.6MFY 2018$-100.9MFY 2019$-109.1MFY 2020$-74.0MFY 2021$-36.5MFY 2022$-40.6MFY 2023$-21.2MFY 2024$-4.3MFY 2025$-3.3M
-$51.3M-$3.3M

Gross margin by year

2021 → 2025

FY 2021100.0%FY 2022-1778.5%FY 2024100.0%FY 2025100.0%
100.0%100.0%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

0

Insider sells · 90 days

Earnings

Last reported: May 15, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • Quarterly report10-Q FiledMay 12, 2026Filing
  • Annual report10-K FiledApr 30, 2026Filing
  • 8-K eventMerger AgreementApr 1, 2026Filing

Questions

Frequently asked questions

What is Cyclerion Therapeutics, Inc.'s market cap?

Cyclerion Therapeutics, Inc. (CYCN) has a market capitalization of $13.6M.

What is CYCN's P/E ratio?

A meaningful P/E ratio is not available for CYCN — the company's latest fiscal-year earnings per share is zero, negative, or not yet cached.

What is CYCN's price-to-book (P/B) ratio?

CYCN trades at 1.50 times book value per share.

When did Cyclerion Therapeutics, Inc. last report earnings?

CYCN last reported earnings on May 15, 2026; the next date is not yet scheduled.

Are insiders buying CYCN stock?

SEC Form 4 filings show no open-market insider buys at Cyclerion Therapeutics, Inc. in the last 90 days (0 sells).

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Timeline

Every filing, insider trade & earnings on a price-anchored timeline

Filing Analyzer

Search the actual 10-K / 10-Q text with AI research angles

News

Latest press coverage in one feed

Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.