Lawrence Michael Ziemba

CIK: 0001547334

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)1 (10.0%)

Position reduction

Option Exercises (M)3 (30.0%)

Derivative conversions

Awards (A)4 (40.0%)

Compensation grants

Other (G, F, J, C, D, …)2 (20.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (3)

PAGP

PLAINS GP HOLDINGS LP

Director

PAA

PLAINS ALL AMERICAN PIPELINE LP

Director

PBF

PBF Energy Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (10 total)

PAGP
PLAINS GP HOLDINGS LP
Aug 14, 2026
Exercise(M)
Direct
7.4K shares-
PAGP
PLAINS GP HOLDINGS LP
Aug 13, 2026
Award(A)
Phantom Class A Shares
Direct
6.2K shares-
PAA
PLAINS ALL AMERICAN PIPELINE LP
Jun 29, 2026
Sale(S)
Direct
2.3K shares at avg. $21.95$51K
PBF
PBF Energy Inc.
Apr 28, 2026
Award(A)
Direct
4.2K shares-
PBF
PBF Energy Inc.
Apr 28, 2026
Tax Payment(F)
Direct
931 shares at avg. $41.37$39K
PAGP
PLAINS GP HOLDINGS LP
Aug 14, 2025
Exercise(M)
Direct
11.9K shares-
PAGP
PLAINS GP HOLDINGS LP
Aug 14, 2025
Exercise(M)
Direct
7.7K shares-
PAGP
PLAINS GP HOLDINGS LP
Aug 14, 2025
Award(A)
Phantom Class A Shares
Direct
7.4K shares-
PBF
PBF Energy Inc.
Apr 29, 2025
Award(A)
Direct
10.2K shares-
PBF
PBF Energy Inc.
Apr 29, 2025
Tax Payment(F)
Direct
2.2K shares at avg. $17.22$39K

		Type	Shares	Price		Ownership
Aug 14, 2026	PAGP PLAINS GP HOLDINGS LP	Exercise(M)	7,400	-	$0	Direct
Aug 13, 2026	PAGP PLAINS GP HOLDINGS LP	Award(A) Phantom Class A Shares	6,150	-	-	Direct
Jun 29, 2026	PAA PLAINS ALL AMERICAN PIPELINE LP	Sale(S)	2,346	$21.95	$51,495	Direct
Apr 28, 2026	PBF PBF Energy Inc.	Award(A)	4,231	-	$0	Direct
Apr 28, 2026	PBF PBF Energy Inc.	Tax Payment(F)	931	$41.37	$38,515	Direct
Aug 14, 2025	PAGP PLAINS GP HOLDINGS LP	Exercise(M)	11,900	-	-	Direct
Aug 14, 2025	PAGP PLAINS GP HOLDINGS LP	Exercise(M)	7,650	-	-	Direct
Aug 14, 2025	PAGP PLAINS GP HOLDINGS LP	Award(A) Phantom Class A Shares	7,400	-	-	Direct
Apr 29, 2025	PBF PBF Energy Inc.	Award(A)	10,163	-	-	Direct
Apr 29, 2025	PBF PBF Energy Inc.	Tax Payment(F)	2,236	$17.22	$38,504	Direct

1-10 of 10 transactions

About Ziemba Lawrence Michael

Ziemba Lawrence Michael (SEC CIK 0001547334) files insider reports with the SEC as Director of PLAINS GP HOLDINGS LP (PAGP), Director of PLAINS ALL AMERICAN PIPELINE LP (PAA) and Director of PBF Energy Inc. (PBF).

Signal8 holds 5 ownership filings by Ziemba Lawrence Michael, all Form 4s, filed between May 1, 2025 and Aug 17, 2026. Those filings report 10 transactions, from Apr 29, 2025 to Aug 14, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Ziemba Lawrence Michael's filings is in HOUSTON, TX.

Recent filings by Ziemba Lawrence Michael

Aug 14, 2026: Option exercise of PAGP shares (Form 4, code M).
Aug 13, 2026: Grant or award of PAGP derivative securities (Form 4, code A).
Jun 29, 2026: Open-market sale of PAA shares (Form 4, code S).
Apr 28, 2026: Grant or award of PBF shares (Form 4, code A).
Apr 28, 2026: Tax withholding of PBF shares (Form 4, code F).

Other insiders filing for PLAINS GP HOLDINGS LP (PAGP)

Liollio Dean, EVP & COO
McGee Richard K., EVP, General Counsel & Sec.
Montgomery Russell Lee, VP, Acctg & CAO
TAYLOR CINDY B, Director
SHACKOULS BOBBY S, Director
RAYMOND JOHN T, Director

How to read Form 4 transaction codes