Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 5 years
- Director since
- 2023
5 years of board service in total across 2 boards, counting each seat separately. Longest: NOV Inc., 3 years.
NOV Inc.
Director
Plains GP Holdings L.P.
Director
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Plains GP Holdings L.P. May 22, 202499.3%
-
NOV Inc. May 15, 202497.0%
-
NOV Inc. May 17, 202392.5%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 11, 2025 | Plains GP Holdings L.P. | Gift | −100,000 | — | — |
| May 20, 2025 | NOV Inc. | Derivative conversion | +6,869 | — | — |
| May 15, 2024 | NOV Inc. | Grant or award | +9,550 | — | — |
| May 17, 2023 | NOV Inc. | Grant or award | +12,000 | — | — |
Questions about Greg L. Armstrong
What boards is Greg L. Armstrong on?
Greg L. Armstrong sits on the boards of NOV Inc. and Plains GP Holdings L.P.
How long has Greg L. Armstrong served on boards?
Our records show at least 5 years of board service across 2 boards, the earliest from 2023.
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