KINDER MORGAN, INC. Insider Trading Activity
Every SEC Form 4 insider transaction reported for KINDER MORGAN, INC. (KMI), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are KMI insiders buying or selling?
In the last 12 months, KINDER MORGAN, INC. insiders reported 3 open-market purchases ($26.2M) and 18 sales ($2.9M) — net buying of $23.3M. Since January 2018, Trabud has recorded 139 Form 4 filings for KMI: 64 buys ($229.1M) and 75 sells ($69.8M).
Source: SEC EDGAR Form 4
What stands out
- The largest open-market purchase in the last 12 months was $26.0M by Richard D Kinder (Executive Chairman) on Oct 28, 2025. SEC ↗
- The most recent open-market purchase was reported on Feb 3, 2026 (8 months ago).
Key Statistics (January 2018 – Sep 18, 2026)
Total Form 4 filings
139
SEC EDGAR
Insider filers
21
Insider buys (64)
$229.1M
Insider sells (75)
$69.8M
Insider sentiment
Net buyingNet insider flow of $159.3M in net buying since January 2018, and $23.3M in net buying over the last 12 months.
Recent KMI insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Sep 18, 2026 | Garthwaite Michael P. | VP (Pres., Products Pipelines) | Sale | 1.6K | $30.80 | $47.7K | SEC ↗ |
| Aug 18, 2026 | Garthwaite Michael P. | VP (Pres., Products Pipelines) | Sale | 1.6K | $32.65 | $50.6K | SEC ↗ |
| Jul 20, 2026 | Garthwaite Michael P. | VP (Pres., Products Pipelines) | Sale | 1.6K | $32.52 | $50.4K | SEC ↗ |
| Jul 6, 2026 | John W Schlosser | V.P. (President, Terminals) | Sale | 6.2K | $31.90 | $196.7K | SEC ↗ |
| Jun 17, 2026 | Garthwaite Michael P. | VP (Pres., Products Pipelines) | Sale | 1.6K | $31.44 | $48.7K | SEC ↗ |
| Jun 5, 2026 | John W Schlosser | V.P. (President, Terminals) | Sale | 6.2K | $31.83 | $196.3K | SEC ↗ |
| May 20, 2026 | Garthwaite Michael P. | VP (Pres., Products Pipelines) | Sale | 1.6K | $33.65 | $52.2K | SEC ↗ |
| May 5, 2026 | John W Schlosser | V.P. (President, Terminals) | Sale | 6.2K | $32.41 | $199.8K | SEC ↗ |
| Apr 17, 2026 | Garthwaite Michael P. | VP (Pres., Products Pipelines) | Sale | 1.6K | $31.72 | $49.2K | SEC ↗ |
| Apr 6, 2026 | John W Schlosser | V.P. (President, Terminals) | Sale | 6.2K | $32.93 | $203.1K | SEC ↗ |
| Mar 17, 2026 | Garthwaite Michael P. | VP (Pres., Products Pipelines) | Sale | 1.6K | $33.30 | $51.6K | SEC ↗ |
| Mar 6, 2026 | John W Schlosser | V.P. (President, Terminals) | Sale | 6.2K | $33.68 | $207.6K | SEC ↗ |
| Feb 19, 2026 | Anthony B Ashley | VP (President, CO2 and ETV) | Sale | 8.0K | $31.95 | $255.6K | SEC ↗ |
| Feb 5, 2026 | John W Schlosser | V.P. (President, Terminals) | Sale | 6.2K | $30.09 | $185.5K | SEC ↗ |
| Feb 3, 2026 | SMITH WILLIAM A | Director | Purchase | 3.0K | $29.75 | $89.2K | SEC ↗ |
| Jan 26, 2026 | David Patrick Michels | VP and Chief Financial Officer | Sale | 20.0K | $30.00 | $600.0K | SEC ↗ |
| Jan 6, 2026 | John W Schlosser | V.P. (President, Terminals) | Sale | 6.2K | $27.49 | $169.5K | SEC ↗ |
| Dec 8, 2025 | John W Schlosser | V.P. (President, Terminals) | Sale | 6.2K | $27.81 | $171.5K | SEC ↗ |
| Nov 10, 2025 | John W Schlosser | V.P. (President, Terminals) | Sale | 6.2K | $27.00 | $166.5K | SEC ↗ |
| Nov 3, 2025 | Amy W Chronis | Director | Purchase | 4.3K | $26.23 | $112.4K | SEC ↗ |
| Oct 28, 2025 | Richard D Kinder | Executive Chairman | Purchase | 1.0M | $25.96 | $26.0M | SEC ↗ |
| Oct 7, 2025 | John W Schlosser | V.P. (President, Terminals) | Sale | 6.2K | $28.17 | $173.7K | SEC ↗ |
| Sep 16, 2025 | Kevin P Grahmann | V.P., Corporate Development | Sale | 23.9K | $27.61 | $658.9K | SEC ↗ |
| Sep 8, 2025 | John W Schlosser | V.P. (President, Terminals) | Sale | 6.2K | $27.00 | $166.5K | SEC ↗ |
| Aug 13, 2025 | Dax Sanders | Executive Vice President | Sale | 30.1K | $27.05 | $815.0K | SEC ↗ |
Showing the 25 most recent of 139 Form 4 filings for KINDER MORGAN, INC..
Most active KMI insiders
- Richard D Kinder48 filings
- John W Schlosser32 filings
- Thomas A Martin12 filings
- Dax Sanders7 filings
- Garthwaite Michael P.7 filings
Ask anything about KMI insider activity
Use Trabud's AI agent to query KINDER MORGAN, INC.'s Form 4 history in plain English — "Show me KMI CEO purchases this year" or compare it against any other ticker.
Open the AI agentKMI insider trading FAQ
Are KINDER MORGAN, INC. insiders buying or selling?
In the last 12 months, KINDER MORGAN, INC. insiders reported 3 open-market purchases ($26.2M) and 18 sales ($2.9M) — net buying of $23.3M. Since January 2018, Trabud has recorded 139 Form 4 filings for KMI: 64 buys ($229.1M) and 75 sells ($69.8M). Over the full record that is net buying of $159.3M.
How many insiders trade KMI stock?
21 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for KINDER MORGAN, INC.. The most recent filing was accepted on Sep 18, 2026.
Where does Trabud get KMI insider trading data?
All KMI insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.