Transactions
8
Insider / Vistra Corp.
Moore Stephanie Zapata
EVP and General Counsel at Vistra Corp.
- Company
- Vistra Corp.
- Ticker
- VST
- First filing on record
- November 26, 2025
- Latest trade on record
- March 9, 2026
- SEC filings
- EDGAR ↗
Moore Stephanie Zapata, EVP and General Counsel at Vistra Corp., has disclosed 8 transactions in VST since November 26, 2025: 0 purchases (0 open-market buys) and 5 sales, worth about $22.9M at the reported prices. The latest was filed March 12, 2026, 3 days after the trade.
Open-market buys
0
Sales
5
Avg. disclosure lag
2.9d
Trading in charts
Trade timeline
When does this person trade, how big, and in which direction? Every trade in the last 12 months.
Bought (above the line)Sold (below the line)Other transaction
In the last 12 months Moore Stephanie Zapata made no purchases and 5 sales worth $9.3M, plus 3 other transactions. Dot size is the dollar amount.
Portfolio mix
Which stocks does this person trade most? Tile size is dollars traded, all time on record.
Moore Stephanie Zapata has traded 1 stock on record; the largest by dollars is VST.
Reporting lag
Does this person report on time? One bar per filing against the Form 4 deadline.
On timeLate
0 of 5 filings on record were reported after the Form 4 deadline (two business days, counted here as 4 calendar days).
What kind of transactions
Most Form 4 rows are pay arriving or tax being withheld, not a decision to buy or sell. Only code P is an open-market purchase and code S an open-market sale. What each code means: Form 4 transaction codes.
| Code | Meaning | Rows | Shares | Value |
|---|---|---|---|---|
| F | Shares withheld for tax | 3 | 36,643 | $6.3M |
| A | Grant or award | 2 | 84,800 | $13.6M |
| S | Open-market sale | 2 | 18,219 | $3.0M |
| G | Gift | 1 | 3,602 | — |
| Year | Rows | Bought | Sold |
|---|---|---|---|
| 2026 | 6 | 0 | 4 · $7.9M |
| 2025 | 2 | 0 | 1 · $1.4M |
Transactions
| Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| VST | Sell S | March 9, 2026 | March 12, 2026 | 3d | 10,000 | $160 | $1.6M | 10b5-1 plan | Form 4 ↗ | |
| VST | Sell F | March 5, 2026 | March 9, 2026 | 4d | 1,963 | $167 | $329K | Form 4 ↗ | ||
| VST | Other A | March 5, 2026 | March 9, 2026 | 4d | 5,356 | — | — | Form 4 ↗ | ||
| VST | Sell F | February 24, 2026 | February 26, 2026 | 2d | 4,264 | $172 | $732K | Form 4 ↗ | ||
| VST | Sell F | February 24, 2026 | February 26, 2026 | 2d | 30,416 | $172 | $5.2M | Form 4 ↗ | ||
| VST | Other A | February 24, 2026 | February 26, 2026 | 2d | 79,444 | $172 | $13.6M | Form 4 ↗ | ||
| VST | Other G | November 28, 2025 | December 2, 2025 | 4d | 3,602 | — | — | Form 4 ↗ | ||
| VST | Sell S | November 24, 2025 | November 26, 2025 | 2d | 8,219 | $173 | $1.4M | Form 4 ↗ |
Filings
| Filed | Form | Accession | Rows | Status | Source |
|---|---|---|---|---|---|
| March 12, 2026 | Form 4 | 0001703634-26-000007 | 1 | published | EDGAR ↗ |
| March 9, 2026 | Form 4 | 0001703634-26-000004 | 2 | published | EDGAR ↗ |
| February 26, 2026 | Form 4 | 0001703634-26-000002 | 3 | published | EDGAR ↗ |
| December 2, 2025 | Form 4 | 0001703634-25-000005 | 1 | published | EDGAR ↗ |
| November 26, 2025 | Form 4 | 0001703634-25-000003 | 1 | published | EDGAR ↗ |
Other insiders at Vistra Corp.
- BURKE JAMES A President and CEO 97 rows
- HUDSON SCOTT A EVP & President Vistra Retail 12 rows
- Acosta Arcilia Director 9 rows
- Kirby Carrie Lee EVP and Chief Admin. Officer 7 rows
- Moldovan Kristopher E. EVP and CFO 7 rows
- Dore Stacey H EVP & Chief Strategy Officer 5 rows
- Montemayor Margaret SVP, Chief Accounting Officer 5 rows
- BARBAS PAUL M Director 3 rows
- Crutchfield Lisa Director 3 rows
- HELM SCOTT B Director 2 rows
Everyone on file, with contracts and lobbying under the company's name: Vistra Corp..
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- Rule 10b5-1 trading plans The plan must be set up when the insider has no important non-public information.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| SEC EDGAR, Form 4 | 5 | 8 | November 26, 2025 | March 12, 2026 | Form 4 list on EDGAR |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Every row comes from the reporting owner's Form 4 as filed with the SEC (EDGAR ownership XML), read daily. "Value" is shares × the reported price; code P is an open-market purchase, S a sale, M an option exercise, A a grant. The lag is the filing date minus the trade date; Form 4 is due within two business days. Amendments (4/A) are not merged. Details on the methodology page; report an error on corrections.
Not investment advice. Figures are public disclosures shown as filed; they may lag the trade and may be amended later. No recommendation is made or implied.