Who
Margaret Montemayor
SVP, Chief Accounting Officer
Company insider
Files Form 4 as: SVP, Chief Accounting Officer, Vistra; VP & CAO, Pioneer Natural Resources Co.
In numbers
- Trades disclosed
- 55
- Buys
- 0
- Sells
- 13
- Bought
- $0
- Sold
- $6.2M
- Companies
- 2
- Companies where not an officer
- 0
- First trade
- 28 Mar 2014
- Last trade
- 2 Jun 2026
- Last filed
- 4 Jun 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 2 Jun 2026filed 4 Jun 2026 | VST VistraElectric Utilities & IPPs | SEC FORM 4 Sold | $736K4,600 at $160.00 | filing |
| 2 Jun 2026filed 4 Jun 2026 | VST VistraElectric Utilities & IPPs | SEC FORM 4 Sold | $736K4,600 at $160.00 | filing |
| 27 May 2026filed 29 May 2026 | VST VistraElectric Utilities & IPPs | SEC FORM 4 Sold | $825K5,000 at $164.96 | filing |
| 27 May 2026filed 29 May 2026 | VST VistraElectric Utilities & IPPs | SEC FORM 4 Sold | $825K5,000 at $164.96 | filing |
| 5 Mar 2026filed 9 Mar 2026 | VST VistraElectric Utilities & IPPs | SEC FORM 4 Code A | —1,989 at $0.00 | filing |
| 5 Mar 2026filed 9 Mar 2026 | VST VistraElectric Utilities & IPPs | SEC FORM 4 Code F | $94K561 at $167.40 | filing |
| 5 Mar 2026filed 9 Mar 2026 | VST VistraElectric Utilities & IPPs | SEC FORM 4 Code A | —1,989 at $0.00 | filing |
| 5 Mar 2026filed 9 Mar 2026 | VST VistraElectric Utilities & IPPs | SEC FORM 4 Code F | $94K561 at $167.40 | filing |
| 13 Nov 2025filed 17 Nov 2025 | VST VistraElectric Utilities & IPPs | SEC FORM 4 Code F | $253K1,472 at $171.56 | filing |
| 5 Mar 2025filed 7 Mar 2025 | VST VistraElectric Utilities & IPPs | SEC FORM 4 Code A | —2,140 at $0.00 | filing |
| 5 Mar 2025filed 7 Mar 2025 | VST VistraElectric Utilities & IPPs | SEC FORM 4 Code F | $50K394 at $126.87 | filing |
| 13 Nov 2024filed 15 Nov 2024 | VST VistraElectric Utilities & IPPs | SEC FORM 4 Code F | $167K1,177 at $142.12 | filing |
| 5 Mar 2024filed 7 Mar 2024 | VST VistraElectric Utilities & IPPs | SEC FORM 4 Code A | —4,334 at $0.00 | filing |
| 14 Nov 2023filed 16 Nov 2023 | VST VistraElectric Utilities & IPPs | SEC FORM 4 Code A | —14,534 at $0.00 | filing |
| 29 Mar 2022filed 31 Mar 2022 | Pioneer Natural Resources Co | SEC FORM 4 Sold | $125K500 at $250.34 | filing |
| 1 Mar 2022filed 3 Mar 2022 | Pioneer Natural Resources Co | SEC FORM 4 Sold | $922K3,855 at $239.21 | filing |
| 21 Feb 2022filed 22 Feb 2022 | Pioneer Natural Resources Co | SEC FORM 4 Code F | $376K1,610 at $233.38 | filing |
| 2 Feb 2022filed 4 Feb 2022 | Pioneer Natural Resources Co | SEC FORM 4 Code A | —2,301 at $0.00 | filing |
| 3 Jan 2022filed 4 Jan 2022 | Pioneer Natural Resources Co | SEC FORM 4 Code F | $85K470 at $181.88 | filing |
| 31 Dec 2021filed 4 Jan 2022 | Pioneer Natural Resources Co | SEC FORM 4 Code A | —1,763 at $0.00 | filing |
News
Vistra (NYSE:VST) Upgraded to Strong-Buy at Canadian Imperial Bank of CommerceVST · themarketsdaily.com · 17 Oct 2026Vistra (NYSE:VST) Stock Falls 6.7% Following Analyst DowngradeVST · dailypolitical.com · 16 Oct 2026President Trump and Nancy Pelosi's AI Data Center Stock Pick: Vistra (VST)VST · insidermonkey.com · 16 Oct 2026
0 headlines in the last 90 days name Margaret Montemayor; 3 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.