Fust Matthew K — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Fust Matthew K has filed 4 SEC Form 4 filings across 4 companies in the last 90 days — selling. Lifetime open-market sales: $1.09M.

Profile

Fust Matthew K
RoleDirector
Notability20/100

Board memberships

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-06-22CRNXCrinetics Pharmaceuticals, Inc.A — Grant or award5.9K$0.00
2026-06-11ATRAAtara Biotherapeutics, Inc.A — Grant or award12.0K$0.00
2026-05-18RAREUltragenyx Pharmaceutical Inc.A — Grant or award7.8K$0.00
2025-09-26CRNXCrinetics Pharmaceuticals, Inc.S — Open-market sale16.0K$44.75$716K
2025-09-26CRNXCrinetics Pharmaceuticals, Inc.M — Option exercise10.0K$1.91$19K
2024-10-18NMRANeumora Therapeutics, Inc.S — Open-market sale [10b5-1]14.0K$17.03$239K
2024-10-18NMRANeumora Therapeutics, Inc.M — Option exercise [10b5-1]7.8K$2.52$20K
2024-10-18NMRANeumora Therapeutics, Inc.M — Option exercise [10b5-1]6.2K$8.79$55K
2024-10-18NMRANeumora Therapeutics, Inc.S — Open-market sale [10b5-1]7.7K$17.01$132K
2024-10-18NMRANeumora Therapeutics, Inc.M — Option exercise [10b5-1]2.2K$2.52$5K
2024-10-18NMRANeumora Therapeutics, Inc.M — Option exercise [10b5-1]1.8K$8.79$16K
2024-10-18NMRANeumora Therapeutics, Inc.M — Option exercise [10b5-1]3.8K$8.32$31K

Companies — Last 90 Days

Frequently Asked Questions

Who is Fust Matthew K?

Fust Matthew K is a corporate insider — currently tracked as Director of Crinetics Pharmaceuticals, Inc. (CRNX). InsiderAlpha tracks every SEC Form 4 filing in real time.

How many SEC Form 4 filings has Fust Matthew K submitted recently?

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

Has Fust Matthew K been buying or selling stock?

Recorded transactions: 0 open-market purchases () and 3 open-market sales ($1.09M) across all tracked filings.

Where can I see all of Fust Matthew K'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 Fust Matthew K profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.