Ziemba Lawrence Michael — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Ziemba Lawrence Michael has filed 1 SEC Form 4 filing across 1 company in the last 90 days — selling. Lifetime open-market sales: $51K.

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-06-30PAAPLAINS ALL AMERICAN PIPELINE LPS — Open-market sale2.3K$21.95$51K
2025-08-14PAGPPLAINS GP HOLDINGS LPM — Option exercise11.9K$0.00
2025-08-14PAGPPLAINS GP HOLDINGS LPM — Option exercise7.7K$0.00

Companies — Last 90 Days

Frequently Asked Questions

Who is Ziemba Lawrence Michael?

Ziemba Lawrence Michael is a corporate insider — currently tracked as Director of PLAINS ALL AMERICAN PIPELINE LP (PAA). InsiderAlpha tracks every SEC Form 4 filing in real time.

How many SEC Form 4 filings has Ziemba Lawrence Michael submitted recently?

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

Has Ziemba Lawrence Michael been buying or selling stock?

Recorded transactions: 0 open-market purchases () and 1 open-market sales ($51K) across all tracked filings.

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