Lawrence Michael Ziemba serves as Executive at Phillips 66, where they oversee executive responsibilities. Since joining the company, Lawrence Michael Ziemba has executed 42 insider transactions totaling $23.6M, demonstrating a bearish approach to their equity position. Their most recent transaction on Aug 14, 2025 involved exercising options for 11,900 shares valued at $0.
Lawrence Michael Ziemba currently holds 87,780 shares of Phillips 66 (PSX), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Lawrence Michael Ziemba has been a net seller of PSX stock. They have purchased $0 and sold $23.6M worth of shares.
Lawrence Michael Ziemba's most recent insider trade was on Aug 14, 2025, when they sold 11,900 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Aug 14, 2024 | PAGP | $0 | Option Exercise | 15,290 | $N/A | Discretionary |
| Aug 14, 2024 | PAGP | $0 | Option Exercise | 8,050 | $N/A | Discretionary |
| Apr 30, 2024 | PBF | $38.5K | Payment | 723 | $53.27 | Discretionary |
| Apr 30, 2024 | PBF | $0 | Award | 3,286 | $N/A | Discretionary |
| Aug 14, 2023 | PAGP | $0 | Option Exercise | 6,480 | $N/A | Discretionary |
| Aug 14, 2023 | PAGP | $0 | Option Exercise | 11,400 | $N/A | Discretionary |
| May 3, 2023 | PBF | $38.5K | Payment | 1,186 | $32.45 | Discretionary |
| May 3, 2023 | PBF | $0 | Award | 5,393 | $N/A | Discretionary |
| Jan 3, 2023 | PBF | $0 | Award | 1,745 | $N/A | Discretionary |
| Nov 30, 2022 | PBFX | $0 | Disposition | 4,723 | $N/A | Discretionary |
| Aug 12, 2022 | PAGP | $0 | Option Exercise | 6,480 | $N/A | Discretionary |
| Jul 1, 2022 | PBFX | $0 | Option Exercise | 1,313 | $N/A | Discretionary |
| Apr 26, 2022 | PBFX | $0 | Option Exercise | 862 | $N/A | Discretionary |
| Jan 1, 2022 | PBFX | $0 | Option Exercise | 618 | $N/A | Discretionary |
| Aug 13, 2021 | PAGP | $0 | Option Exercise | 6,480 | $N/A | Discretionary |
| Jul 1, 2021 | PBFX | $0 | Option Exercise | 1,313 | $N/A | Discretionary |
| Jan 1, 2021 | PBFX | $0 | Option Exercise | 617 | $N/A | Discretionary |
| Aug 14, 2020 | PAGP | $0 | Option Exercise | 4,050 | $N/A | Discretionary |
| Apr 4, 2017 | PSX | $446.2K | Payment | 5,712 | $78.11 | Discretionary |
| Apr 4, 2017 | PSX | $0 | Option Exercise | 14,420 | $N/A | Discretionary |
| Feb 9, 2017 | PSX | $337.3K | Payment | 4,253 | $79.31 | Discretionary |
| Feb 9, 2017 | PSX | $0 | Option Exercise | 10,738 | $N/A | Discretionary |
| Dec 2, 2016 | PSX | $8.7M | Sale | 101,909 | $85.24 | Discretionary |
| Dec 2, 2016 | PSX | $3.3M | Option Exercise | 101,909 | $32.03 | Discretionary |
| Nov 9, 2016 | PSX | $1.7M | Option Exercise | 55,465 | $31.25 | Discretionary |
| Nov 9, 2016 | PSX | $4.4M | Sale | 55,465 | $80.20 | Discretionary |
| Nov 8, 2016 | PSX | $1.4M | Sale | 17,165 | $80.20 | Discretionary |
| Nov 8, 2016 | PSX | $536.4K | Option Exercise | 17,165 | $31.25 | Discretionary |