Form 4: Illumina Exits GRAIL with $79.85M Stock Sale

Illumina, Inc. has sold 1,000,000 shares of GRAIL, Inc. common stock for $79.85 per share, ceasing to be a 10% beneficial owner.

Summary

• Illumina, Inc. disposed of 1,000,000 shares of GRAIL, Inc. common stock.
• The transaction occurred on November 17, 2025, at a price of $79.85 per share.
• The total value of the sale was approximately $79,850,000.
• Following this transaction, Illumina, Inc. beneficially owns 3,502,126 shares of GRAIL, Inc.
• Illumina, Inc. is no longer a 10% beneficial owner of GRAIL, Inc., marking an exit filing.

Sentiment

Score: 4

Explanation: The sale of a significant stake by a major shareholder, especially one exiting a 10% ownership position, can be viewed neutrally to slightly negatively for the issuer (GRAIL) due to potential selling pressure and a loss of a large institutional holder. For the seller (Illumina), it represents a cash inflow and a reduction of exposure, which could be positive depending on their strategic rationale.

Positives

• Illumina, Inc. generated approximately $79.85 million in cash from the sale of GRAIL, Inc. common stock.

Negatives

• Illumina, Inc. has significantly reduced its stake in GRAIL, Inc., exiting its position as a 10% beneficial owner.

Future Outlook

No specific future outlook or guidance is provided in this insider transaction report.

Management Comments

• Following the sale reported herein, the reporting person is no longer a 10% beneficial owner and this reflects an exit filing by the reporting person.

Industry Context

This transaction represents a significant divestment by Illumina from GRAIL, Inc. It follows a period of regulatory scrutiny and challenges regarding Illumina's acquisition of GRAIL. The sale could be interpreted as Illumina further unwinding its involvement with GRAIL, potentially impacting market perception of both companies and the broader diagnostics industry.

Related Party Transactions

• Illumina, Inc. was a 10% owner of GRAIL, Inc. prior to this transaction, making the sale a related party transaction.

Stakeholder Impact

• GRAIL Shareholders: The sale of 1,000,000 shares by a significant owner could exert downward pressure on GRAIL's stock price.
• Illumina Shareholders: The sale generates approximately $79.85 million in cash for Illumina, which could be used for other strategic initiatives, debt reduction, or shareholder returns.

Key Dates

Keywords

Illumina, GRAIL, stock sale, insider transaction, Form 4, divestment, equity, beneficial ownership, GRAL