Ambrose Allison — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Ambrose Allison has filed 1 SEC Form 4 filing across 1 company in the last 90 days — selling. Lifetime open-market sales: $7K.

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-06-17UPBUpstream Bio, Inc.S — Open-market sale477$6.10$3K
2026-03-17UPBUpstream Bio, Inc.S — Open-market sale475$9.29$4K
2026-01-06UPBUpstream Bio, Inc.A — Grant or award17.0K$0.00

Companies — Last 90 Days

Frequently Asked Questions

Who is Ambrose Allison?

Ambrose Allison is a corporate insider — currently tracked as Insider of Upstream Bio, Inc. (UPB). InsiderAlpha tracks every SEC Form 4 filing in real time.

How many SEC Form 4 filings has Ambrose Allison submitted recently?

1 primary Form 4 filings in the last 90 days, covering 1 company.

Has Ambrose Allison been buying or selling stock?

Recorded transactions: 0 open-market purchases () and 2 open-market sales ($7K) across all tracked filings.

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