SEIDENBERG BETH C — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

SEIDENBERG BETH C has filed 3 SEC Form 4 filings across 3 companies in the last 90 days — selling. Lifetime open-market sales: $720K.

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-05-29KYTXKyverna Therapeutics, Inc.A — Grant or award5.1K$0.00
2025-05-29KYTXKyverna Therapeutics, Inc.A — Grant or award16.6K$0.00
2025-05-21SLRNACELYRIN, Inc.D — Derivative transaction9.79M
2025-05-21SLRNACELYRIN, Inc.D — Derivative transaction60.0K
2024-10-30VERAVera Therapeutics, Inc.S — Open-market sale [10b5-1]202$49.54$10K
2024-10-30VERAVera Therapeutics, Inc.S — Open-market sale [10b5-1]14.8K$48.01$710K

Companies — Last 90 Days

Frequently Asked Questions

Who is SEIDENBERG BETH C?

SEIDENBERG BETH C is a corporate insider — currently tracked as Director of Sagimet Biosciences Inc. (SGMT). InsiderAlpha tracks every SEC Form 4 filing in real time.

How many SEC Form 4 filings has SEIDENBERG BETH C submitted recently?

3 primary Form 4 filings in the last 90 days, covering 3 companies.

Has SEIDENBERG BETH C been buying or selling stock?

Recorded transactions: 0 open-market purchases () and 2 open-market sales ($720K) across all tracked filings.

Where can I see all of SEIDENBERG BETH C'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.

Learn More

Open the live SEIDENBERG BETH C profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.