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Cullinan Therapeutics, Inc.·4

Jan 23, 5:00 PM ET

Michaelson Jennifer 4

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Cullinan (CGEM) CSO Jennifer Michaelson Sells 4,000 Shares

What Happened
Jennifer Michaelson, Chief Scientific Officer of Cullinan Therapeutics (CGEM), sold 4,000 shares on January 22, 2026. The shares were disposed at $12.30 per share for a total transaction value of $49,200. The filing classifies the transaction as a sale (code S) described as an open market or private sale.

Key Details

  • Transaction date: 2026-01-22; Price: $12.30 per share; Total proceeds: $49,200.
  • Filing date: 2026-01-23 (filed the next day — timely).
  • Shares owned after the transaction: Not disclosed in this Form 4.
  • Footnote: Transaction was effected pursuant to a Rule 10b5-1 trading plan established on August 7, 2025.
  • Transaction code: S = Sale.

Context
The sale was executed under a pre-established 10b5-1 plan, which typically schedules transactions in advance and can make insider sales routine rather than an immediate signal of sentiment. This filing is informational; it does not state the insider's motivation.