The Williams Companies, Inc. (WMB) has 20 known insider and institutional holders on record. The largest holder is Dunn Micheal G. with 714,693 shares. Other notable holders include Wilson Terrance Lane and Hallam Scott A..
Over the last 12 months, insiders have made 75 transactions in WMB stock — 35 buys (valued at $2.05M) and 15 sells (valued at $5.15M). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
WMB Insider Ownership
Top Holder
Dunn Micheal G.
714,693 shares
Buys (12 mo)
35
$2.05M value
Sells (12 mo)
15
$5.15M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Dunn Micheal G. |
Executive Vice President & COO |
714,693 |
2025-03-10 |
|
| 2 |
Wilson Terrance Lane |
SVP & General Counsel |
289,159 |
2026-04-02 |
|
| 3 |
Hallam Scott A. |
SVP Transmission & Gulf of Mex |
226,973 |
2023-07-10 |
|
| 4 |
Bergstrom Stephen W |
Director |
204,650 |
2025-05-01 |
|
| 5 |
Armstrong Alan S |
Director |
192,200 |
2026-03-09 |
|
| 6 |
Cowan Debbie L. |
SVP & Chief HR Officer |
101,485 |
2023-02-27 |
|
| 7 |
Miller Rory Lee |
Sr. Vice President |
91,586 |
2017-06-29 |
|
| 8 |
Creel Michael A |
Director |
79,785 |
2025-05-01 |
|
| 9 |
Spence William H |
Director |
73,965 |
2025-05-01 |
|
| 10 |
Zamarin Chad J. |
President and CEO |
72,682 |
2026-02-23 |
|
| 11 |
Sheffield Scott D |
Director |
71,429 |
2025-05-01 |
|
| 12 |
Chazen Stephen I |
Director |
71,348 |
2021-04-29 |
|
| 13 |
Ragauss Peter A |
Director |
70,713 |
2025-05-01 |
|
| 14 |
Chappel Donald R |
Sr. Vice President & CFO |
60,032 |
2017-09-28 |
|
| 15 |
Smith Murray D |
Director |
53,574 |
2024-05-02 |
|
| 16 |
Chandler John D |
Sr. Vice President & CFO |
50,072 |
2021-02-26 |
|
| 17 |
Cooper Kathleen B |
Director |
38,392 |
2019-05-13 |
|
| 18 |
Teply Chad A. |
Senior Vice President |
34,478 |
2026-02-20 |
|
| 19 |
Robeson Rose M |
Director |
34,034 |
2025-05-01 |
|
| 20 |
Buese Nancy |
Director |
33,019 |
2022-04-28 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-04-01 |
Wilson Terrance Lane |
SVP & General Counsel |
Informative Sell |
2,000 |
$71.75 |
$143.5K |
| 2026-03-13 |
Fazel Payvand |
Senior Vice President |
Informative Sell |
2,898 |
$73.15 |
$211.99K |
| 2026-03-11 |
Rinke Todd J. |
Senior Vice President |
Informative Sell |
7,364 |
$74.39 |
$547.81K |
| 2026-03-09 |
Jasek Glen G. |
Senior Vice President |
RSU Award |
5,327 |
- |
- |
| 2026-03-09 |
Fazel Payvand |
Senior Vice President |
RSU Award |
5,327 |
- |
- |
| 2026-03-05 |
Armstrong Alan S |
Director |
Other (Sell) |
241,248 |
$72.98 |
$17.61M |
| 2026-03-02 |
Wilson Terrance Lane |
SVP & General Counsel |
Informative Sell |
2,000 |
$75.24 |
$150.48K |
| 2026-02-24 |
Wilson Terrance Lane |
SVP & General Counsel |
Gift (Given) |
3,000 |
- |
- |
| 2026-02-26 |
Hausman Mary A. |
VP Chief Accounting Officer |
Informative Sell |
10,107 |
$74.91 |
$757.12K |
| 2026-02-23 |
Jasek Glen G. |
Senior Vice President |
Option Exercise (Sell) |
5,624 |
- |
- |
| 2026-02-23 |
Fazel Payvand |
Senior Vice President |
Option Exercise (Sell) |
6,403 |
- |
- |
| 2026-02-23 |
Rinke Todd J. |
Senior Vice President |
Option Exercise (Sell) |
6,698 |
- |
- |
| 2026-02-23 |
Larsen Larry C |
Executive Vice President & COO |
Option Exercise (Sell) |
36,939 |
- |
- |
| 2026-02-23 |
Hausman Mary A. |
VP Chief Accounting Officer |
Option Exercise (Sell) |
8,559 |
- |
- |
| 2026-02-23 |
Teply Chad A. |
Senior Vice President |
Option Exercise (Sell) |
34,478 |
- |
- |
| 2026-02-23 |
Porter John Dean |
EVP & CFO |
Option Exercise (Sell) |
64,029 |
- |
- |
| 2026-02-23 |
Pickle Debbie L. |
SVP & Chief HR Officer |
Option Exercise (Sell) |
32,015 |
- |
- |
| 2026-02-23 |
Zamarin Chad J. |
President and CEO |
Option Exercise (Sell) |
73,880 |
- |
- |
| 2026-02-24 |
Wilson Terrance Lane |
SVP & General Counsel |
Informative Sell |
27,000 |
$72.92 |
$1.97M |
| 2026-02-23 |
Wilson Terrance Lane |
SVP & General Counsel |
Option Exercise (Sell) |
44,327 |
- |
- |
| 2026-02-23 |
Armstrong Alan S |
Director |
Option Exercise (Sell) |
295,519 |
- |
- |
| 2028-02-20 |
Jasek Glen G. |
Senior Vice President |
Unknown |
2,034 |
- |
- |
| 2026-02-21 |
Jasek Glen G. |
Senior Vice President |
Unknown |
- |
- |
- |
| 2021-02-20 |
Jasek Glen G. |
Senior Vice President |
Unknown |
5,862 |
$29.09 |
$170.53K |
| 2019-09-01 |
Jasek Glen G. |
Senior Vice President |
Unknown |
836 |
$28.15 |
$23.53K |