Daniel D. Long
SVP, Drug Discovery · Septerna, Inc.
IndividualSelling only19 10b5-1 trades
- 2025
- Sep 3, 2026
- 7
Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Daniel D. Long files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- RA CAPITAL MANAGEMENT, L.P. - $63.45M in SEPN purchases and sales in the last 12 months
- Third Rock Ventures V, L.P. - $7.40M in SEPN purchases and sales in the last 12 months
- Samira Shaikhly - $2.80M in SEPN purchases and sales in the last 12 months
- Elizabeth Bhatt - $1.45M in SEPN purchases and sales in the last 12 months
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Frequently asked questions
Who is Daniel D. Long?
Daniel D. Long is a corporate insider, tracked as SVP, Drug Discovery of Septerna, Inc. (SEPN). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Daniel D. Long submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Daniel D. Long been buying or selling stock?
Recorded transactions: 0 open-market purchases and 8 open-market sales ($951K) across all tracked filings.
