Cambrian BioPharma Inc 4

What Happened
Cambrian BioPharma Inc., disclosed as a 10% owner of Sensei Biotherapeutics (SNSE), sold a total of 25,000 SNSE shares on 2026-06-01. The filing reports two dispositions: 24,524 shares sold at $20.00 each (proceeds $490,480) and 476 shares sold at $21.14 each (proceeds $10,063), for combined proceeds of $500,543. Transaction code: S (sale/open-market or private sale). This is a sale (not a purchase), which is often routine for large holders and does not by itself signal a view on the company’s prospects.

Key Details

• Transaction date: 2026-06-01 (both trades)
• Reported prices: $20.00 (24,524 shares) and $21.14 (476 shares); footnote says weighted-average reported and prices ranged $20.00–$21.00, with full breakdown available on request (F1).
• Total shares sold: 25,000; total proceeds ≈ $500,543.
• Shares owned after transaction: not specified in the provided excerpt of the filing.
• Filing timeliness: Reported/Filed 2026-06-01 (appears timely).
• Insider type: 10% owner (institutional holder), not an executive officer.

Context
As a 10% owner, Cambrian BioPharma is an institutional shareholder; sales by such holders can reflect portfolio rebalancing, liquidity needs, or other non-operational reasons. Sales are generally less informative than purchases about insider sentiment. The filing’s footnote clarifies the price reporting method and offers to provide per-price quantities on request.