Form 4: Third Rock Ventures VI, L.P. Acquires Additional Shares of Septerna, Inc.

Third Rock Ventures VI, L.P. reports the purchase of additional Septerna, Inc. common stock at an average price of $5.999 per share.

Summary

• On February 24, 2025, Third Rock Ventures VI, L.P. acquired 18,861 shares of Septerna, Inc. common stock.
• The shares were purchased at a weighted average price of $5.999, with individual transactions ranging from $5.975 to $6.00.
• Following the transaction, Third Rock Ventures VI, L.P. directly holds 4,211,659 shares.
• Third Rock Ventures V, L.P. indirectly holds 6,215,591 shares.
• Several entities related to Third Rock Ventures, including Third Rock Ventures GP VI, L.P. and TRV GP VI, LLC, disclaim beneficial ownership of the shares except to the extent of their pecuniary interest.

Sentiment

Score: 6

Explanation: The sentiment is neutral. It reflects a routine transaction by a major shareholder, indicating continued investment but without significant positive or negative implications.

Positives

• The purchase indicates continued investment and confidence in Septerna, Inc. by a major shareholder.

Industry Context

Form 4 filings are standard disclosures required by the SEC when insiders or major shareholders of a publicly traded company buy or sell the company's stock. This filing indicates the investment activity of a significant shareholder in a biotechnology company.

Comparison to Industry Standards

• Form 4 filings are a common occurrence for publicly traded companies, particularly in sectors like biotechnology where venture capital firms often hold significant stakes.
• The size of the transaction (18,861 shares) is relatively small compared to the total holdings of Third Rock Ventures, suggesting a routine adjustment rather than a major strategic shift.

Stakeholder Impact

• The purchase could have a slightly positive impact on shareholder confidence, as it signals continued investment from a major holder.

Key Dates