Thomas A. Martin serves as Executive at KINDER MORGAN MANAGEMENT LLC, where they oversee executive responsibilities. Since joining the company, Thomas A. Martin has executed 38 insider transactions totaling $5.3M, demonstrating a bearish approach to their equity position. Their most recent transaction on Jul 31, 2025 involved selling 150,543 shares valued at $4.2M.
Thomas A. Martin currently holds 1,003,681 shares of KINDER MORGAN MANAGEMENT LLC (KMR), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Thomas A. Martin has been a net seller of KMR stock. They have purchased $866.4K and sold $4.5M worth of shares.
Thomas A. Martin's most recent insider trade was on Jul 31, 2025, when they sold 150,543 shares at $28.06 per share.
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| $N/A |
| Discretionary |
| Aug 1, 2024 | KMI | $2.1M | Sale | 100,000 | $21.01 | Discretionary |
| Jan 31, 2023 | KMI | $2.9M | Payment | 159,037 | $18.30 | Discretionary |
| Jan 31, 2023 | KMI | $0 | Option Exercise | 404,158 | $N/A | Discretionary |
| Aug 6, 2021 | KMI | $1.1M | Sale | 66,607 | $17.08 | Discretionary |
| Jul 31, 2021 | KMI | $657.2K | Payment | 37,816 | $17.38 | Discretionary |
| Jul 31, 2021 | KMI | $0 | Option Exercise | 96,100 | $N/A | Discretionary |
| Aug 17, 2020 | KMI | $0 | Gift | 129,000 | $N/A | Discretionary |
| Aug 17, 2020 | KMI | $0 | Gift | 129,000 | $N/A | Discretionary |
| Jul 31, 2020 | KMI | $0 | Option Exercise | 61,539 | $N/A | Discretionary |
| Jul 31, 2020 | KMI | $341.4K | Payment | 24,216 | $14.10 | Discretionary |
| Feb 12, 2020 | KMI | $812.5K | Sale | 37,321 | $21.77 | Discretionary |
| Nov 4, 2019 | KMI | $428.1K | Sale | 20,733 | $20.65 | Discretionary |
| Jul 31, 2019 | KMI | $0 | Option Exercise | 34,185 | $N/A | Discretionary |
| Jul 31, 2019 | KMI | $277.4K | Payment | 13,452 | $20.62 | Discretionary |
| Jul 16, 2019 | KMI | $1.9M | Payment | 89,095 | $20.91 | Discretionary |
| Dec 5, 2017 | KMI | $51.3K | Purchase | 3,000 | $17.10 | Discretionary |
| Nov 11, 2015 | KMI | $244.8K | Purchase | 10,000 | $24.48 | Discretionary |
| Oct 30, 2015 | KMI | $272.4K | Purchase | 10,000 | $27.24 | Discretionary |
| Nov 26, 2014 | KMR | $0 | Disposition | 6,219 | $N/A | Discretionary |
| Nov 26, 2014 | KMI | $0 | Award | 15,453 | $N/A | Discretionary |
| Jul 16, 2013 | KMI | $9.0M | Award | 226,416 | $39.75 | Discretionary |
| Dec 26, 2012 | KMI | $0 | Option Exercise | 5,249 | $N/A | Discretionary |
| Dec 26, 2012 | KMI | $0 | Option Exercise | 412,663 | $N/A | Discretionary |
| Nov 29, 2012 | KMI | $0 | Gift | 148,950 | $N/A | Discretionary |
| Nov 29, 2012 | KMI | $0 | Gift | 148,950 | $N/A | Discretionary |
| Oct 16, 2012 | KMI | $0 | Option Exercise | 1,716 | $N/A | Discretionary |
| Oct 16, 2012 | KMI | $0 | Option Exercise | 205,256 | $N/A | Discretionary |
| Sep 14, 2012 | KMI | $0 | Option Exercise | 215 | $N/A | Discretionary |