Insider / KINDER MORGAN, INC.
Garthwaite Michael P.
VP (Pres., Products Pipelines) at KINDER MORGAN, INC.
- Company
- KINDER MORGAN, INC.
- Ticker
- KMI
- First filing on record
- March 17, 2026
- Latest trade on record
- October 16, 2026
- SEC filings
- EDGAR ↗
Garthwaite Michael P., VP (Pres., Products Pipelines) at KINDER MORGAN, INC., has disclosed 12 transactions in KMI since March 17, 2026: 0 purchases (0 open-market buys) and 9 sales, worth about $536K at the reported prices. The latest was filed October 20, 2026, 4 days after the trade.
Trading in charts
Trade timeline
When does this person trade, how big, and in which direction? Every trade in the last 12 months.
In the last 12 months Garthwaite Michael P. made no purchases and 9 sales worth $536K, plus 3 other transactions. Dot size is the dollar amount.
Portfolio mix
Which stocks does this person trade most? Tile size is dollars traded, all time on record.
Garthwaite Michael P. has traded 1 stock on record; the largest by dollars is KMI.
Reporting lag
Does this person report on time? One bar per filing against the Form 4 deadline.
0 of 9 filings on record were reported after the Form 4 deadline (two business days, counted here as 4 calendar days).
What kind of transactions
Most Form 4 rows are pay arriving or tax being withheld, not a decision to buy or sell. Only code P is an open-market purchase and code S an open-market sale. What each code means: Form 4 transaction codes.
| Code | Meaning | Rows | Shares | Value |
|---|---|---|---|---|
| S | Open-market sale | 8 | 12,400 | $403K |
| M | Option exercise or conversion | 2 | 31,830 | — |
| A | Grant or award | 1 | 61,767 | — |
| F | Shares withheld for tax | 1 | 4,145 | $134K |
| Year | Rows | Bought | Sold |
|---|---|---|---|
| 2026 | 12 | 0 | 9 · $536K |
Transactions
| Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| KMI | Sell S | October 16, 2026 | October 20, 2026 | 4d | 1,550 | $34 | $52K | 10b5-1 plan | Form 4 ↗ | |
| KMI | Sell S | September 16, 2026 | September 18, 2026 | 2d | 1,550 | $31 | $48K | 10b5-1 plan | Form 4 ↗ | |
| KMI | Sell S | August 17, 2026 | August 18, 2026 | 1d | 1,550 | $33 | $51K | 10b5-1 plan | Form 4 ↗ | |
| KMI | Other A | July 21, 2026 | July 23, 2026 | 2d | 61,767 | — | — | derivative | Form 4 ↗ | |
| KMI | Option / conversion M | July 18, 2026 | July 20, 2026 | 2d | 15,915 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| KMI | Sell F | July 18, 2026 | July 20, 2026 | 2d | 4,145 | $32 | $134K | 10b5-1 plan | Form 4 ↗ | |
| KMI | Option / conversion M | July 18, 2026 | July 20, 2026 | 2d | 15,915 | — | — | 10b5-1 plan | Form 4 ↗ | |
| KMI | Sell S | July 16, 2026 | July 20, 2026 | 4d | 1,550 | $33 | $50K | 10b5-1 plan | Form 4 ↗ | |
| KMI | Sell S | June 16, 2026 | June 17, 2026 | 1d | 1,550 | $31 | $49K | 10b5-1 plan | Form 4 ↗ | |
| KMI | Sell S | May 18, 2026 | May 19, 2026 | 1d | 1,550 | $34 | $52K | 10b5-1 plan | Form 4 ↗ | |
| KMI | Sell S | April 16, 2026 | April 17, 2026 | 1d | 1,550 | $32 | $49K | 10b5-1 plan | Form 4 ↗ | |
| KMI | Sell S | March 16, 2026 | March 17, 2026 | 1d | 1,550 | $33 | $52K | 10b5-1 plan | Form 4 ↗ |
Filings
| Filed | Form | Accession | Rows | Status | Source |
|---|---|---|---|---|---|
| October 20, 2026 | Form 4 | 0001506307-26-000128 | 1 | published | EDGAR ↗ |
| September 18, 2026 | Form 4 | 0001506307-26-000121 | 1 | published | EDGAR ↗ |
| August 18, 2026 | Form 4 | 0001506307-26-000113 | 1 | published | EDGAR ↗ |
| July 23, 2026 | Form 4 | 0001506307-26-000077 | 1 | published | EDGAR ↗ |
| July 20, 2026 | Form 4 | 0001506307-26-000059 | 4 | published | EDGAR ↗ |
| June 17, 2026 | Form 4 | 0001506307-26-000053 | 1 | published | EDGAR ↗ |
| May 19, 2026 | Form 4 | 0001506307-26-000045 | 1 | published | EDGAR ↗ |
| April 17, 2026 | Form 4 | 0001506307-26-000031 | 1 | published | EDGAR ↗ |
| March 17, 2026 | Form 4 | 0001506307-26-000017 | 1 | published | EDGAR ↗ |
Other insiders at KINDER MORGAN, INC.
- Schlosser John W V.P. (President, Terminals) 11 rows
- ASHLEY ANTHONY B VP (President, CO2 and ETV) 5 rows
- Michels David Patrick VP and Chief Financial Officer 5 rows
- Sanders Dax President 5 rows
- Dang Kimberly A Chief Executive Officer 4 rows
- Grahmann Kevin P V.P., Corporate Development 4 rows
- James Catherine C. VP and General Counsel 4 rows
- Mody Sital K V.P. (Pres.,Nat Gas Pipelines) 4 rows
- Pitta Michael J VP and Chief Admin. Officer 4 rows
- Chronis Amy W Director 3 rows
Everyone on file, with contracts and lobbying under the company's name: KINDER MORGAN, INC..
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- Rule 10b5-1 trading plans The plan must be set up when the insider has no important non-public information.
- Options and derivatives on Form 4 Table I = shares. Table II = options and other derivatives.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| SEC EDGAR, Form 4 | 9 | 12 | March 17, 2026 | October 20, 2026 | Form 4 list on EDGAR |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Every row comes from the reporting owner's Form 4 as filed with the SEC (EDGAR ownership XML), read daily. "Value" is shares × the reported price; code P is an open-market purchase, S a sale, M an option exercise, A a grant. The lag is the filing date minus the trade date; Form 4 is due within two business days. Amendments (4/A) are not merged. Details on the methodology page; report an error on corrections.
Not investment advice. Figures are public disclosures shown as filed; they may lag the trade and may be amended later. No recommendation is made or implied.