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Congressional & insider trading activity

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RTW Fund Group GP, LLC
1 buys · 0 sells
Insider

Recent Trades

Date Trader Type Amount Filed
2026-07-29 RTW Fund Group GP, LLC Insider BUY - 2026-07-30

Trade-Event Timing Trades near material events

Trades within 7 days before or 3 days after 8-K filings

RTW Fund Group GP, LLC BUY same day as Other Events (2026-07-29)

Corporate Events SEC 8-K Filings

Material corporate events reported to the SEC

Other Events 8.01

Yarrow Bioscience, Inc.

2026-07-29 SEC Filing →
Entry into a Material Definitive Agreement; Completion of Acquisition or Disposition of Assets; Results of Operations and Financial Condition; Unregistered Sales of Equity Securities; Material Modification to Rights of Security Holders; Changes in Control of Registrant; Departure/Appointment of Directors or Officers; Amendments to Articles or Bylaws; Amendment to Code of Ethics; Regulation FD Disclosure 1.01,2.01,2.02,3.02,3.03,5.01,5.02,5.03,5.05,7.01,9.01

Yarrow Bioscience, Inc.

2026-07-24 SEC Filing →

Major Shareholders SEC 13D/13G Filings

Beneficial owners holding 5%+ of outstanding shares

Owner Shares Ownership Filing Type Filing Date
RTW Fund Group GP, LLC SCHEDULE 13G
266,307 10.0% SCHEDULE 13G 2026-07-30
Len Blavatnik SCHEDULE 13D/A
178,180 6.0% SCHEDULE 13D/A 2026-07-29
Access Industries Management, LLC SCHEDULE 13D/A
178,180 6.0% SCHEDULE 13D/A 2026-07-29
Access Industries Holdings LLC SCHEDULE 13D/A
178,180 6.0% SCHEDULE 13D/A 2026-07-29
AI Biotechnology LLC SCHEDULE 13D/A
178,180 6.0% SCHEDULE 13D/A 2026-07-29
Zhang Xiaofan SCHEDULE 13G/A
- - SCHEDULE 13G/A 2026-07-17
Zhang Xiaofan SCHEDULE 13G/A
- - SCHEDULE 13G/A 2026-07-14