Trade Summary

4 days ago, Long Daniel D., serving as SVP, Drug Discovery at Septerna, Inc. (SEPN), sold 15,000 shares at $35.51 per share, for a total transaction value of $532,581.70. Following this transaction, Long Daniel D. now holds 96,412 shares of SEPN.

This sale represents a 13.46% decrease in Long Daniel D.'s stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Monday, June 22, 2026 and publicly disclosed via SEC Form 4 filing on Wednesday, June 24, 2026 at 7:24 PM ET, 2 days after the trade was made.

Septerna, Inc. operates in the HEALTHCARE sector, specifically within the BIOTECHNOLOGY industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.