Skip to contentARMSTRONG ALAN S — WILLIAMS COMPANIES INC insider: 459 transactions · InsiderLensARMSTRONG ALAN S
- Director at Williams Partners L.P. · on record since Dec 6, 2007
- Director at CONSTELLATION ENERGY GROUP INC · on record since Jan 5, 2026
- Director at WILLIAMS COMPANIES INC · on record since Feb 28, 2011
- Director at WPX ENERGY, INC. · on record since Dec 5, 2011
- Director at Chesapeake Midstream Partners, L.P. · on record since Dec 27, 2012
- Director at BOK FINANCIAL CORP ET AL · on record since May 10, 2013
- Sr. Vice President - Midstream at WILLIAMS COMPANIES INC · on record since Feb 9, 2004
- Chief Operating Officer at Williams Partners L.P. · on record since Aug 11, 2005
Insider trading activity of ARMSTRONG ALAN S
- Transactions on record
- 459
- since Feb 9, 2004
- Open-market buys
- 11
- $2.3M
- Open-market sells
- 36
- $17.5M
- Companies traded
- 3
- last filing Mar 9, 2026
Figures computed from official regulatory filings — methodology.
Companies where ARMSTRONG ALAN S has traded
Track record of ARMSTRONG ALAN S
Statistical track record
Free- Open-market buys
- 11
- Last buy
- Mar 15, 2023
Win rates and median returns are available with a free account (5 insiders/month).
Create a free account→Transaction history of ARMSTRONG ALAN S
Co-insiders of ARMSTRONG ALAN S
This page republishes public regulatory disclosures. Concerned by this data? Exercise your right to object →
Rainey Craig LChesapeake Midstream Partners, L.P. +2
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| Mar 9, 2026 | Other | 241,248 | 72.98 USD | $17.6M | SEC |
| Mar 9, 2026 | Other | -241,248 | 72.98 USD | $17.6M | SEC |
| Feb 25, 2026 | Other | -129,633 | 72.98 USD | $9.5M | SEC |
| Feb 25, 2026 | Exercise | 295,519 | 72.98 USD | $21.6M | SEC |
| Feb 25, 2026 | ExerciseD | -295,519 | 0.00 USD | $0 | SEC |
| Feb 25, 2026 | Other | -53,462 | 72.98 USD | $3.9M | SEC |
| Feb 20, 2026 | AwardD | 108,836 | 0.00 USD | $0 | SEC |
| Dec 8, 2025 | Gift | -12,200 | 0.00 USD | $0 | SEC |
| Jul 16, 2025 | Award | 207 | 96.38 USD | $20K | SEC |
| Feb 26, 2025 | Other | -256,041 | 57.33 USD | $14.7M | SEC |
| Feb 26, 2025 | Other | -145,238 | 57.33 USD | $8.3M | SEC |
| Feb 26, 2025 | Exercise | 329,337 | 57.33 USD | $18.9M | SEC |
| Feb 26, 2025 | Other | -51,564 | 57.33 USD | $3M | SEC |
| Feb 26, 2025 | Other | 256,041 | 57.33 USD | $14.7M | SEC |
| Feb 26, 2025 | ExerciseD | -329,337 | 57.33 USD | $18.9M | SEC |
| Feb 24, 2025 | Award | 71,856 | 58.45 USD | $4.2M | SEC |
| Feb 24, 2025 | AwardD | 152,559 | 58.45 USD | $8.9M | SEC |
| Feb 18, 2025 | AwardD | 157,539 | 30.12 USD | $4.7M | SEC |
| Oct 17, 2024 | ExerciseD | -51,059 | 49.15 USD | $2.5M | SEC |
| Oct 17, 2024 | Exercise | 51,059 | 49.15 USD | $2.5M | SEC |
| Oct 17, 2024 | Exercise | 51,059 | 49.15 USD | $2.5M | SEC |
| Oct 17, 2024 | ExerciseD | -51,059 | 49.15 USD | $2.5M | SEC |
| Oct 17, 2024 | ExerciseD | -51,059 | 49.15 USD | $2.5M | SEC |
| Oct 17, 2024 | Exercise | 51,059 | 49.15 USD | $2.5M | SEC |
| Oct 17, 2024 | Other | -150,234 | 50.90 USD | $7.6M | SEC |