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| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| VST | BURKE JAMES A | President and CEO | Dec 12 '25 | Option Exercise | 14.03 | 27,749 | 389,318 | 298,002 | Dec 15 |
| VST | BURKE JAMES A | President and CEO | Dec 11 '25 | Sale | 162.05 | 22,251 | 3,605,775 | 297,998 | Dec 15 |
| VST | BURKE JAMES A | President and CEO | Dec 11 '25 | Option Exercise | 14.03 | 22,251 | 312,182 | 320,249 | Dec 15 |
| VST | BURKE JAMES A | President and CEO | Nov 12 '25 | Option Exercise | 14.03 | 28,065 | 393,752 | 299,139 | Nov 13 |
| VST | BURKE JAMES A | President and CEO | Nov 11 '25 | Option Exercise | 14.03 | 21,935 | 307,748 | 293,009 | Nov 13 |
| VST | BURKE JAMES A | President and CEO | Nov 11 '25 | Sale | 186.53 | 21,935 | 4,091,536 | 271,074 | Nov 13 |
| VST | BURKE JAMES A | President and CEO | Oct 29 '25 | Sale | 192.30 | 9,641 | 1,853,964 | 298,967 | Oct 31 |
| VST | BURKE JAMES A | President and CEO | Oct 29 '25 | Option Exercise | 19.68 | 9,641 | 189,735 | 308,608 | Oct 31 |
| VST | BURKE JAMES A | President and CEO | Oct 27 '25 | Sale | 203.64 | 20,473 | 4,169,122 | 298,967 | Oct 29 |
| VST | BURKE JAMES A | President and CEO | Oct 27 '25 | Option Exercise | 19.68 | 22,011 | 433,176 | 319,440 | Oct 29 |
| VST | BURKE JAMES A | President and CEO | Oct 24 '25 | Sale | 196.46 | 19,600 | 3,850,616 | 297,429 | Oct 27 |
| VST | BURKE JAMES A | President and CEO | Oct 24 '25 | Option Exercise | 19.68 | 22,000 | 432,960 | 317,029 | Oct 27 |
| VST | BURKE JAMES A | President and CEO | Oct 23 '25 | Option Exercise | 19.68 | 22,000 | 432,960 | 314,642 | Oct 27 |
| VST | BURKE JAMES A | President and CEO | Oct 23 '25 | Sale | 187.12 | 19,613 | 3,670,018 | 295,029 | Oct 27 |
| VST | BURKE JAMES A | President and CEO | Oct 22 '25 | Option Exercise | 19.68 | 22,000 | 432,960 | 312,254 | Oct 23 |
| VST | BURKE JAMES A | President and CEO | Oct 22 '25 | Sale | 188.30 | 19,612 | 3,692,940 | 292,642 | Oct 23 |
| VST | BURKE JAMES A | President and CEO | Oct 21 '25 | Option Exercise | 19.68 | 4,400 | 86,592 | 292,259 | Oct 23 |
| VST | BURKE JAMES A | President and CEO | Oct 21 '25 | Sale | 193.15 | 2,005 | 387,266 | 290,254 | Oct 23 |
| VST | BURKE JAMES A | President and CEO | Oct 20 '25 | Option Exercise | 19.68 | 24,000 | 472,320 | 309,230 | Oct 21 |
| VST | BURKE JAMES A | President and CEO | Oct 20 '25 | Sale | 204.57 | 21,371 | 4,371,865 | 287,859 | Oct 21 |
| VST | BURKE JAMES A | President and CEO | Oct 17 '25 | Option Exercise | 19.68 | 24,000 | 472,320 | 306,597 | Oct 21 |
| VST | BURKE JAMES A | President and CEO | Oct 17 '25 | Sale | 207.66 | 21,367 | 4,437,071 | 285,230 | Oct 21 |
| VST | BURKE JAMES A | President and CEO | Oct 16 '25 | Sale | 215.21 | 21,355 | 4,595,882 | 282,597 | Oct 17 |
| VST | BURKE JAMES A | President and CEO | Oct 16 '25 | Option Exercise | 19.68 | 24,000 | 472,320 | 303,952 | Oct 17 |
| VST | BURKE JAMES A | President and CEO | Oct 15 '25 | Sale | 209.34 | 21,363 | 4,472,130 | 279,952 | Oct 17 |
| VST | BURKE JAMES A | President and CEO | Oct 15 '25 | Option Exercise | 19.68 | 24,000 | 472,320 | 301,315 | Oct 17 |
| VST | BURKE JAMES A | President and CEO | Oct 14 '25 | Sale | 205.58 | 21,370 | 4,393,342 | 277,315 | Oct 15 |
| VST | BURKE JAMES A | President and CEO | Oct 14 '25 | Option Exercise | 16.63 | 52,163 | 867,447 | 298,685 | Oct 15 |
| VST | BURKE JAMES A | President and CEO | Oct 13 '25 | Option Exercise | 16.87 | 43,837 | 739,333 | 315,841 | Oct 15 |
| VST | BURKE JAMES A | President and CEO | Oct 13 '25 | Sale | 201.32 | 41,426 | 8,339,891 | 246,522 | Oct 15 |
| VST | BURKE JAMES A | President and CEO | Oct 10 '25 | Sale | 209.63 | 21,364 | 4,478,586 | 272,004 | Oct 15 |
| VST | BURKE JAMES A | President and CEO | Oct 10 '25 | Option Exercise | 19.68 | 24,000 | 472,320 | 293,368 | Oct 15 |
| VST | BURKE JAMES A | President and CEO | Oct 09 '25 | Option Exercise | 19.68 | 24,000 | 472,320 | 290,733 | Oct 10 |
| VST | BURKE JAMES A | President and CEO | Oct 09 '25 | Sale | 207.55 | 21,365 | 4,434,306 | 269,368 | Oct 10 |
| VST | BURKE JAMES A | President and CEO | Oct 08 '25 | Option Exercise | 19.68 | 22,000 | 432,960 | 286,329 | Oct 10 |
| VST | BURKE JAMES A | President and CEO | Oct 08 '25 | Sale | 201.43 | 19,596 | 3,947,267 | 266,733 | Oct 10 |
| VST | BURKE JAMES A | President and CEO | Oct 07 '25 | Option Exercise | 19.68 | 24,000 | 472,320 | 285,705 | Oct 08 |
| VST | BURKE JAMES A | President and CEO | Oct 07 '25 | Sale | 201.49 | 21,376 | 4,307,050 | 264,329 | Oct 08 |
| VST | BURKE JAMES A | President and CEO | Oct 06 '25 | Sale | 206.94 | 21,368 | 4,421,894 | 261,705 | Oct 08 |
| VST | BURKE JAMES A | President and CEO | Oct 06 '25 | Option Exercise | 19.68 | 24,000 | 472,320 | 283,073 | Oct 08 |
| VST | BURKE JAMES A | President and CEO | Oct 03 '25 | Sale | 204.82 | 21,371 | 4,377,289 | 259,073 | Oct 06 |
| VST | BURKE JAMES A | President and CEO | Oct 03 '25 | Option Exercise | 19.68 | 24,000 | 472,320 | 280,444 | Oct 06 |
| VST | BURKE JAMES A | President and CEO | Oct 02 '25 | Option Exercise | 19.68 | 24,000 | 472,320 | 277,815 | Oct 06 |
| VST | BURKE JAMES A | President and CEO | Oct 02 '25 | Sale | 204.06 | 21,371 | 4,360,966 | 256,444 | Oct 06 |
| VST | BURKE JAMES A | President and CEO | Oct 01 '25 | Option Exercise | 19.68 | 22,000 | 432,960 | 273,420 | Oct 02 |
| VST | BURKE JAMES A | President and CEO | Oct 01 '25 | Sale | 194.78 | 19,605 | 3,818,704 | 253,815 | Oct 02 |
| VST | BURKE JAMES A | President and CEO | Sep 30 '25 | Sale | 199.30 | 19,596 | 3,905,483 | 251,420 | Oct 02 |
| VST | BURKE JAMES A | President and CEO | Sep 30 '25 | Option Exercise | 19.68 | 22,000 | 432,960 | 271,016 | Oct 02 |
| VST | BURKE JAMES A | President and CEO | Sep 29 '25 | Sale | 201.94 | 21,378 | 4,316,995 | 249,016 | Sep 30 |
| VST | BURKE JAMES A | President and CEO | Sep 29 '25 | Option Exercise | 19.68 | 24,000 | 472,320 | 270,394 | Sep 30 |
| VST | BURKE JAMES A | President and CEO | Sep 26 '25 | Sale | 201.18 | 21,376 | 4,300,424 | 246,394 | Sep 30 |
| VST | BURKE JAMES A | President and CEO | Sep 26 '25 | Option Exercise | 19.68 | 24,000 | 472,320 | 267,770 | Sep 30 |
| VST | BURKE JAMES A | President and CEO | Sep 25 '25 | Option Exercise | 16.98 | 24,000 | 407,617 | 265,149 | Sep 26 |
| VST | BURKE JAMES A | President and CEO | Sep 25 '25 | Sale | 199.90 | 21,379 | 4,273,621 | 243,770 | Sep 26 |
| VST | BURKE JAMES A | President and CEO | Sep 24 '25 | Option Exercise | 15.16 | 24,000 | 363,840 | 262,520 | Sep 26 |
| VST | BURKE JAMES A | President and CEO | Sep 24 '25 | Sale | 203.82 | 21,371 | 4,355,837 | 241,149 | Sep 26 |
| VST | BURKE JAMES A | President and CEO | Sep 23 '25 | Sale | 210.21 | 21,360 | 4,490,158 | 238,520 | Sep 24 |
| VST | BURKE JAMES A | President and CEO | Sep 23 '25 | Option Exercise | 15.16 | 24,000 | 363,840 | 259,880 | Sep 24 |
| VST | BURKE JAMES A | President and CEO | Sep 22 '25 | Option Exercise | 15.16 | 24,000 | 363,840 | 257,242 | Sep 24 |
| VST | BURKE JAMES A | President and CEO | Sep 22 '25 | Sale | 210.83 | 21,362 | 4,503,750 | 235,880 | Sep 24 |
| VST | BURKE JAMES A | President and CEO | Sep 19 '25 | Option Exercise | 15.16 | 24,000 | 363,840 | 254,602 | Sep 22 |
| VST | BURKE JAMES A | President and CEO | Sep 19 '25 | Sale | 211.50 | 21,360 | 4,517,640 | 233,242 | Sep 22 |
| VST | BURKE JAMES A | President and CEO | Sep 18 '25 | Sale | 213.18 | 21,366 | 4,554,722 | 230,602 | Sep 22 |
| VST | BURKE JAMES A | President and CEO | Sep 18 '25 | Option Exercise | 15.16 | 24,000 | 363,840 | 251,968 | Sep 22 |
| VST | BURKE JAMES A | President and CEO | Sep 17 '25 | Option Exercise | 15.16 | 24,000 | 363,840 | 249,329 | Sep 18 |
| VST | BURKE JAMES A | President and CEO | Sep 17 '25 | Sale | 212.56 | 21,361 | 4,540,494 | 227,968 | Sep 18 |
| VST | BURKE JAMES A | President and CEO | Sep 16 '25 | Option Exercise | 15.16 | 24,000 | 363,840 | 246,687 | Sep 18 |
| VST | BURKE JAMES A | President and CEO | Sep 16 '25 | Sale | 213.78 | 21,358 | 4,565,913 | 225,329 | Sep 18 |
| VST | BURKE JAMES A | President and CEO | Sep 15 '25 | Option Exercise | 15.16 | 24,000 | 363,840 | 244,049 | Sep 16 |
| VST | BURKE JAMES A | President and CEO | Sep 15 '25 | Sale | 209.80 | 21,362 | 4,481,773 | 222,687 | Sep 16 |
| VST | BURKE JAMES A | President and CEO | Sep 12 '25 | Option Exercise | 14.55 | 52,291 | 760,763 | 241,423 | Sep 16 |
| VST | BURKE JAMES A | President and CEO | Sep 12 '25 | Sale | 202.84 | 21,374 | 4,335,502 | 220,049 | Sep 16 |
| VST | BURKE JAMES A | President and CEO | Sep 11 '25 | Option Exercise | 14.62 | 45,709 | 668,417 | 260,099 | Sep 12 |
| VST | BURKE JAMES A | President and CEO | Sep 11 '25 | Sale | 208.75 | 43,074 | 8,991,698 | 217,025 | Sep 12 |
| VST | BURKE JAMES A | President and CEO | Sep 10 '25 | Sale | 200.78 | 19,592 | 3,933,634 | 211,982 | Sep 12 |
| VST | BURKE JAMES A | President and CEO | Sep 10 '25 | Option Exercise | 15.16 | 22,000 | 333,520 | 229,582 | Sep 12 |
| VST | BURKE JAMES A | President and CEO | Mar 23 '23 | Buy | 24.05 | 5,000 | 120,250 | 463,899 | Mar 27 |
| VST | BURKE JAMES A | President and CEO | Mar 17 '23 | Buy | 24.50 | 5,000 | 122,500 | 458,899 | Mar 17 |
| VST | BURKE JAMES A | President and CEO | Mar 15 '23 | Buy | 24.25 | 8,000 | 194,000 | 401,260 | Mar 17 |
| VST | BURKE JAMES A | President and CEO | Mar 10 '23 | Buy | 24.75 | 8,000 | 198,000 | 393,260 | Mar 13 |