Form4insider filings, from the source

Insider · CIK 0001547334

Lawrence Michael Ziemba

Files at: PAGP, PAA, PSX. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $51k · 1net −$51k
$10k$10k$100k$100k$1M$1MbuyssalesSep 2024Jan 2025May 2025Sep 2025Jan 2026May 2026Sep 2026

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 14, 2026 MForm 4 →Aug 17, 4:28 pm EDTPLAINS GP HOLDINGS LPPAGP7,400——95,180—
Jun 29, 2026 SForm 4 →Jun 30, 4:10 pm EDTPLAINS ALL AMERICAN PIPELINE LPPAA2,346$21.95$51,4950−100%

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 13, 2026 AMForm 4 →Aug 17, 4:28 pm EDTPLAINS GP HOLDINGS LPPAGP13,550——6,150—