secwatch / observer
VST Vistra Corp.
CIK 0001692819 50 ready 8-Ks latest August 7, 2026, 7:00 AM ET RSS · JSON
Activity: NORMAL 1 filings / 30d vs 1 baseline
Ready 8-Ks 50
Latest filing August 7, 2026, 7:00 AM ET
Top materiality 0.90
Event mix debt ×17 · other_material ×12 · earnings ×11
Sentiment 22 pos · 0 neg · 28 neu
Latest earnings reported 2026-Q1
Executive change recent →

Recent 8-K filings for VST

Executive changes

Departed

Stephen J. Muscato

Executive Vice President and President of Vistra Wholesale Operations & Development
VST · Vistra Corp.
Effective
2025-01-01
Filed
November 20, 2024, 6:59 PM ET
On November 19, 2024, Stephen J. Muscato notified Vistra Corp. (the “Company”) that, after more than 25 years of service, he will resign from his position as Executive Vice President and President of Vistra Wholesale Operations & Development effective January 1, 2025, and retire from the Company on or about April 1, 2025.
Appointed

John W. (Bill) Pitesa

Director
VST · Vistra Corp.
Effective
2024-03-07
Filed
March 7, 2024, 6:59 PM ET
the Board (i) increased the size of the Board from 11 members to 12 members and (ii) elected John W. (Bill) Pitesa to the Board, effective immediately.
Appointed

Margaret Montemayor

Senior Vice President, Chief Accounting Officer and Controller
VST · Vistra Corp.
Effective
2023-11-13
Filed
November 14, 2023, 6:59 PM ET
On November 10, 2023, the board of directors (the “ Board ”) of Vistra Corp. (the “ Company ”) approved the appointment of Margaret Montemayor as Senior Vice President, Chief Accounting Officer and Controller of the Company, effective November 13, 2023.
Role change

Christy Dobry

former Senior Vice President and Controller
VST · Vistra Corp.
Effective
2023-11-13
Successor
Margaret Montemayor
Filed
November 14, 2023, 6:59 PM ET
Ms. Montemayor will succeed the Company’s former Senior Vice President and Controller, Christy Dobry, who will assume another role within the Company effective November 13, 2023.
Appointed

Julie Lagacy

Director
VST · Vistra Corp.
Effective
2023-02-01
Filed
February 1, 2023, 6:59 PM ET
the Board increased the size of the Board from 10 members to 11 members and elected Julie Lagacy to the Board, effective immediately.
Departed

Curtis A. Morgan

Chief Executive Officer
VST · Vistra Corp.
Effective
2022-08-01
Successor
James A. Burke
Filed
July 21, 2022, 7:59 PM ET
the transition of Curtis A. Morgan from the Company effective as of the Effective Date.
Appointed

Kristopher E. Moldovan

Executive Vice President and Chief Financial Officer
VST · Vistra Corp.
Effective
2022-08-01
Filed
July 21, 2022, 7:59 PM ET
appointed Kristopher E. Moldovan as its next Executive Vice President and Chief Financial Officer effective as of August 1, 2022
Appointed

James A. Burke

Chief Executive Officer
VST · Vistra Corp.
Effective
2022-08-01
Filed
July 21, 2022, 7:59 PM ET
Mr. Burke’s appointment as director is part of the Company’s previously announced succession plan involving the appointment of Mr. Burke as Chief Executive Officer and director upon the transition of Curtis A. Morgan from the Company effective as of the Effective Date.
Appointed

James A. Burke

Director
VST · Vistra Corp.
Effective
2022-08-01
Filed
July 21, 2022, 7:59 PM ET
Mr. Burke’s appointment as director is part of the Company’s previously announced succession plan involving the appointment of Mr. Burke as Chief Executive Officer and director upon the transition of Curtis A. Morgan from the Company effective as of the Effective Date.
Appointed

Jim Burke

Director
VST · Vistra Corp.
Effective
2022-08-01
Filed
March 21, 2022, 7:59 PM ET
it is anticipated that Mr. Burke will be appointed to the Board to serve the remainder of Mr. Morgan’s term as a director until the Company’s 2023 annual meeting of stockholders.
Departed

Curtis A. Morgan

Chief Executive Officer
VST · Vistra Corp.
Effective
2022-08-01
Successor
Jim Burke
Filed
March 21, 2022, 7:59 PM ET
On March 19, 2022, Curtis A. Morgan, currently the Chief Executive Officer and a member of the board of directors (the “ Board ”) of Vistra Corp. (the “ Company ”), notified the Company of his intention to transition from the Company effective August 1, 2022 (the “ Effective Date ”).
Departed

Curtis A. Morgan

Director
VST · Vistra Corp.
Effective
2022-08-01
Successor
Jim Burke
Filed
March 21, 2022, 7:59 PM ET
Mr. Morgan will continue to serve as the Company’s Chief Executive Officer until his departure and will seek re-election to the Company’s Board at the 2022 annual meeting of stockholders and, if elected, will serve in such capacity until his transition from the Company on the Effective Date.

Earnings & guidance

2026-Q1 EPS reported $2.87 filing →

Materiality & sentiment trend

Max materiality 0.90 · Median 0.60 · Most common event debt

22 positive 0 negative 28 neutral

source · VST on sec.gov