Summary
Updated Aug 31, 2026
Herschel S. Weinstein is General Counsel Secretary of SpringWorks Therapeutics, Inc. (SWTX). 1 SEC Form 4 filing on record, dated 1 July 2025.
Recent Transactions
1Every recent SEC Form 4 transaction Herschel S. Weinstein has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Herschel S. Weinstein go back to 2025: 1 primary Form 4 filing, an average of 0.5 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who have reported open-market trades at the same companies as Herschel S. Weinstein. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Saqib Islam - $2.03M of SWTX open-market activity on record
- Badreddin Edris - $839K of SWTX open-market activity on record
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Herschel S. Weinstein?
Herschel S. Weinstein is a corporate insider, tracked as General Counsel Secretary of SpringWorks Therapeutics, Inc. (SWTX). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Herschel S. Weinstein last file a Form 4?
The only primary Form 4 on record is dated 1 July 2025.
Where can I see all of Herschel S. Weinstein's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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