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Yarrow Bioscience, Inc.

corporate_fare Company Profile

Yarrow Bioscience, Inc.

YARW·NASDAQ·Life Sciences·CIK 0001566044

Yarrow Bioscience, Inc. is a clinical-stage biotechnology company focused on developing therapies for autoimmune thyroid diseases. The company's primary product candidate is YB-101, a humanized monoclonal antibody. YB-101 is designed to target the thyroid-stimulating hormone receptor (TSHR) and is being developed for the treatment of Graves' disease and thyroid eye disease. Yarrow Bioscience, Inc. was incorporated in 2025 and operates from its base in New York, New York.

Yarrow Bioscience, Inc. (NASDAQ:YARW) is a publicly traded company in the Life Sciences sector. Wiseek has independently scored 9 items for YARW at importance 7 or higher on its 1–10 market-impact scale. Its most recent item scored 7 or higher is dated 2026-09-14, rated 7/10. Across its 9 most recent items scored 7 or higher, the top rating is 8/10, with 2 rated 8 or above. Recent SEC coverage for YARW spans 8-K, 424B5, 8-K/A, SCHEDULE 13D.

Recent high-impact activity:

  • Yarrow Bioscience Closes $172.5M Offering After Full Underwriter Option Exercise
  • Yarrow Upsizes Offering to $161.8M as Underwriters Exercise Full Overallotment
  • Yarrow Bioscience Prices $150M Underwritten Offering at $26.00 Per Share
  • Preliminary Prospectus for Underwritten Offering Reveals $108.8M Cash Position and Runway into 2030
  • Yarrow Prices $150M Offering at $26, a 4.6% Discount to Last Close

Financial Snapshot

Fiscal year ended December 31, 2025
Revenue
$570K
Net Income
-$26.48M
Diluted EPS
-$0.62
Op. Cash Flow
-$33.12M
Free Cash Flow
-$33.12M
Operating Income
-$29.75M
Cash & Equivalents
$24.03M
Debt / Equity
0.00×
Net Margin
-46.46×
Shares Outstanding
33.32M sh
Source: 10-K · filed 2026-02-27 · accession 0001566044-26-000002

Short Interest & Short Volume

1.00 days to cover

FINRA reported short interest of 126,528 shares in YARW as of the September 15, 2026 settlement, a 124.0% increase from the prior period — about 1.0 days to cover at its recent average daily volume. On October 2, 2026, 58.1% of YARW volume reported to FINRA trade-reporting facilities was marked short.

Short interest (bi-monthly positions)126,528 shares as of September 15, 2026
Change vs prior period▲ 124.0%
Days to cover1.00 at avg daily volume of 170,937
Daily short volume (FINRA facilities)58.1% of 18,998 shares on October 2, 2026
5-day average short volume37.4%

Daily short sale volume covers trades reported to FINRA trade-reporting facilities and is not the same as short interest (bi-monthly reported positions). Source: FINRA — FINRA is the owner and source of this short interest and short sale volume data; it may not be redistributed.

Dilution Risk

Low risk

Filing-implied dilution signals for YARW, detected from its recent SEC filings · based on capital-structure filings through 2026-09-11.

1 recent capital raise

Underwritten Offering Priced at $26.00 · Net Proceeds of $140.7 Million

⚠ A more recent filing has been published for this ticker since this signal was computed; it may not yet be reflected — see the filings below.

A filing-implied signal, not a realized share count. How Wiseek tracks dilution →

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$22.27
52-week range · as of 2026-09-14 $14.68 – $46.95
Market cap
$210.18M
Volume
66.1K (0.5× avg)
3-mo avg 136K
Live data · 2026-10-04 23:09 UTC · Market closed

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feed YARW - Latest Insights

YARW
Sep 14, 2026, 4:05 PM EDT
Source: BusinessWire
Importance Score:
7
Price at Filing: $26.26
Real-time Price: $22.27 info
Change: -$3.99 (-15%) info
Market Cap: $210.177M info
YARW
Sep 14, 2026, 4:01 PM EDT
Filing Type: 8-K
Importance Score:
7
Price at Filing: $26.26
Real-time Price: $22.27 info
Change: -$3.99 (-15%) info
Market Cap: $210.177M info
YARW
Sep 11, 2026, 4:52 PM EDT
Filing Type: 424B5
Importance Score:
7
Price at Filing: $27.01
Real-time Price: $22.27 info
Change: -$4.74 (-18%) info
Market Cap: $210.177M info
YARW
Sep 11, 2026, 4:44 PM EDT
Filing Type: 424B5
Importance Score:
7
Price at Filing: $27.01
Real-time Price: $22.27 info
Change: -$4.74 (-18%) info
Market Cap: $210.177M info
YARW
Sep 10, 2026, 9:11 PM EDT
Source: BusinessWire
Importance Score:
8
Price at Filing: $27.25
Real-time Price: $22.27 info
Change: -$4.98 (-18%) info
Market Cap: $210.177M info
YARW
Sep 10, 2026, 4:03 PM EDT
Source: BusinessWire
Importance Score:
7
Price at Filing: $28.44
Real-time Price: $22.27 info
Change: -$6.17 (-22%) info
Market Cap: $210.177M info
YARW
Aug 13, 2026, 4:14 PM EDT
Filing Type: 8-K/A
Importance Score:
7
Price at Filing: $42.72
Real-time Price: $22.27 info
Change: -$20.45 (-48%) info
Market Cap: $210.177M info
YARW
Aug 13, 2026, 7:00 AM EDT
Source: BusinessWire
Importance Score:
8
Price at Filing: $42.77
Real-time Price: $22.27 info
Change: -$20.50 (-48%) info
Market Cap: $210.177M info
YARW
Aug 05, 2026, 9:08 PM EDT
Filing Type: SCHEDULE 13D
Importance Score:
7
Price at Filing: $37.70
Real-time Price: $22.27 info
Change: -$15.43 (-41%) info
Market Cap: $210.177M info
Research tools: Filing Impact Index Dilution Tracker Split Calendar Open Datasets