Constellation Energy Corporation - Common Stock When-Issued CEG

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Constellation Energy Corporation - Common Stock When-Issued · Company · Nasdaq · Utilities / Utilities - Independent Power Producers

Paper trade (simulated — no real money)

Fill: USD 253.4500 · FX 1 USD = 1.277900 SGD · about SGD 323.8837 per unit

Sign in to practise with simulated trades before investing real money. USD fills are converted into the SGD portfolio at the displayed rate.

Announcement types: (default: consequential filings)
Results & current reports
Capital markets
Ownership & governance

USD closing-price chart (daily close from yfinance · Last year)

USD 389.19 → 253.45 · -34.9%
401.430318.965236.500 1,2 3 4 5 6,7 8 9 10 11 12 13 14 15 16,17 18,19 20 21 22 23 24 25 26,27 28,29 30 31 32,33 Oct 25Jan 26Apr 26Jul 26Oct 26

Numbered dotted lines mark the filtered filings under Announcement Events below.

Price & SEC Filing History 24 Oct 2025 — 25 Oct 2026 (Last year)

Daily Nasdaq prices are sourced from yfinance. Yellow highlighting marks an intraday rise or a gap up between adjacent trading sessions. SEC acceptance times are converted to US Eastern time: pre-market filings appear below that day’s OHLCV row; filings accepted after the 09:30 ET open appear above it. The SEC does not publish an exact first-public-availability timestamp, so acceptance time is the best available proxy.

Weekend
Weekend
254.0200 256.7900 247.2500 253.4500 2,679,664
268.8200 269.0200 253.3700 255.2100 3,964,000
266.4700 273.2100 263.1200 270.7400 2,802,600
260.4400 263.9000 257.7500 258.8400 3,181,400
275.8100 277.2100 261.9300 263.1900 3,816,100
Weekend
Weekend
274.8600 276.1800 269.3200 271.3700 4,000,600
275.2450 276.6200 267.6100 275.0000 4,395,600
292.6400 294.5000 277.8300 279.5400 3,445,300
288.3370 298.5000 286.1280 295.7900 2,292,400
300.1000 301.7700 290.4000 293.8900 2,631,100
Weekend
Weekend
288.0600 300.9800 286.8290 298.0700 4,207,600
298.2150 306.9900 280.1600 285.0700 6,503,600
290.4250 299.9500 286.4000 299.5900 7,390,200
291.1100 309.8000 291.0000 300.4000 13,482,700
259.5100 271.1900 257.7000 267.6200 3,520,100
Weekend
Weekend
263.7900 265.6900 249.0500 257.4900 3,670,500
261.5100 271.0000 256.2400 258.9200 4,212,100
261.7350 263.7100 247.2000 254.0200 4,445,800
261.7250 270.1150 261.2200 264.5800 1,879,900
261.7500 262.6600 257.3800 260.4300 2,124,900
Weekend
Weekend
262.0000 266.3800 260.4300 263.2700 1,928,800
261.7000 263.8300 258.5000 261.6200 1,685,900
261.9200 264.2300 258.1100 263.8800 2,983,100
263.6600 266.2750 259.6100 263.4600 2,482,300
256.3800 265.8500 250.5500 262.1100 3,398,800
Weekend
Weekend
260.2500 262.4200 254.5600 254.7100 6,538,500
264.8700 269.4000 259.3200 262.8000 3,418,600
262.6000 263.2600 254.7100 259.5300 2,740,800
265.8000 266.8800 259.6100 259.8900 2,957,000
276.5150 276.5150 264.3200 264.5700 3,706,900
Weekend
Weekend
290.5800 291.3000 284.0800 284.7500 1,719,500
290.1600 294.8400 285.8200 285.9700 2,351,200
296.7000 298.0850 292.7500 293.9050 2,244,400
303.9980 305.8000 296.6300 299.0500 3,830,600
No trading
Weekend
Weekend
284.0400 299.7300 284.0400 298.9600 2,896,300
292.4000 296.6200 282.2500 285.0500 3,137,200
280.0000 290.8100 277.8800 290.0400 2,929,000
269.5800 284.2500 268.0020 280.3100 2,411,800
274.6700 279.4400 274.0600 274.7700 2,574,100
Weekend
Weekend
281.5300 284.1900 275.9900 276.7500 1,771,800
280.1500 283.8100 279.0900 282.4100 1,771,000
278.2000 285.2600 278.1100 279.5200 1,942,500
274.4100 279.9200 272.6500 278.4200 2,513,500
271.5900 275.6070 269.5300 273.4300 2,623,400
Weekend
Weekend
275.5400 277.2100 270.5700 272.8800 2,034,000
273.4500 277.9650 271.0700 272.9200 2,175,700
268.5500 274.9900 267.8400 274.1700 2,431,900
275.7500 279.5600 264.8200 266.8300 3,755,800
285.4700 286.3000 273.5200 278.2000 2,196,400
Weekend
Weekend
281.2000 287.0000 280.6700 282.5000 2,021,300
279.8100 282.7600 276.6950 278.6400 2,264,000
284.5000 285.5000 277.9500 278.6800 2,931,000
272.9600 280.3600 271.5000 278.3600 2,717,700
270.3000 275.1700 268.3600 270.4300 1,931,300
Weekend
Weekend
263.9250 270.9900 261.3700 269.8900 2,606,100
33 · 10-Q After market open · 12:22 ET 10-Q ↗
277.9200 280.0000 260.6750 261.1000 4,860,000
32 · 8-K Pre-market · 06:52 ET 8-K ↗ 31 · 8-K After market open · 14:14 ET 8-K ↗
270.1650 274.0130 263.2600 265.1200 3,154,700
277.3050 277.3050 263.5300 267.2500 3,817,900
264.9500 274.6900 261.8410 273.7100 2,329,800
Weekend
Weekend
266.4520 269.8620 260.8400 262.7500 1,852,800
262.6400 270.2700 261.9000 263.5600 3,262,100
260.7900 263.8800 256.1600 257.9500 2,855,000
263.3550 266.5850 257.6500 259.8200 2,966,200
276.0000 277.1900 267.7400 270.0000 3,081,700
Weekend
Weekend
276.0000 279.6000 272.7400 274.3500 2,670,000
271.9200 278.1900 271.5800 275.6000 2,574,400
263.2550 275.5400 261.8400 274.9000 3,305,600
255.7200 264.4500 255.7200 262.2200 2,494,700
255.4180 256.5200 251.3300 253.5000 2,234,000
Weekend
Weekend
247.3700 254.2900 244.9500 252.3900 2,317,000
257.2500 257.3550 249.0000 251.7700 2,858,300
258.7000 264.1200 255.4960 258.1150 2,119,800
30 · 8-K After-hours · 17:23 ET 8-K ↗
261.9980 266.0000 255.1800 256.4300 3,217,100
250.5050 257.5900 250.5050 257.5700 2,754,200
Weekend
Weekend
250.3200 252.7200 249.0500 251.3800 2,002,900
248.2000 251.6300 245.7400 250.7400 2,807,000
237.0100 244.8100 236.5600 244.5200 2,784,000
243.6650 245.5500 238.4600 239.7100 3,586,400
241.4300 247.4000 241.2000 245.8700 3,362,900
Weekend
Weekend
No trading
238.0950 244.0940 236.6830 239.2500 4,267,000
246.9800 248.2700 228.6300 236.5000 8,689,500
256.8120 260.2900 245.8800 248.3700 5,108,300
266.8200 268.5500 257.9900 259.3200 3,031,600
Weekend
Weekend
265.2500 269.4500 260.2800 264.0200 3,922,200
270.0000 275.8130 268.2500 268.6900 3,541,200
272.8500 274.0200 266.3400 267.9700 2,677,100
268.4050 275.4200 267.5000 270.2600 3,387,400
274.8600 279.7400 272.1000 275.5300 2,749,100
Weekend
Weekend
No trading
268.7300 282.7700 268.0000 274.0600 6,986,000
267.3700 272.2200 264.7100 267.1700 3,356,300
263.5900 272.4200 261.9000 268.0000 3,798,600
259.7350 264.9250 256.1200 262.3500 3,832,700
Weekend
Weekend
249.8300 255.1200 247.6500 253.7600 3,409,500
244.9750 248.3100 242.9000 246.7100 5,104,100
249.0200 250.5420 240.5100 242.3000 4,071,700
252.6550 256.4700 245.4500 251.6500 3,546,000
256.0950 256.0950 250.1400 250.6700 3,629,400
Weekend
Weekend
261.0000 261.8650 253.6800 254.8300 4,130,700
266.8550 268.6450 261.2000 264.5900 3,467,200
272.7150 274.5000 265.2300 267.2400 4,373,100
29 · 8-K After-hours · 16:15 ET FORM 8-K ↗
266.9900 275.0000 260.3000 272.6500 7,774,700
28 · 424B4 Pre-market · 06:57 ET 424B4 ↗
275.0000 278.6100 264.2100 265.7000 11,480,600
Weekend
Weekend
286.4400 290.9000 284.6700 287.7500 2,491,200
285.2250 289.8900 281.1100 286.3100 2,378,300
300.6200 300.8100 286.6900 288.6800 3,345,800
300.0100 310.4500 299.0800 301.5700 3,606,900
No trading
Weekend
Weekend
287.5250 296.9000 286.9950 294.0700 2,877,600
281.5300 288.0680 281.5300 285.8300 2,366,000
273.3900 282.6000 270.2000 281.2600 4,095,600
258.4800 261.2100 256.1000 260.6700 3,935,800
267.2000 267.8700 258.9000 262.0000 3,435,800
Weekend
Weekend
270.6500 273.1950 266.5700 267.2000 3,835,700
274.7000 278.6000 273.8000 275.2600 3,655,500
289.2000 292.0000 268.9800 274.8900 6,653,700
298.6900 300.7100 287.5000 293.6000 3,761,500
27 · 10-Q After market open · 12:26 ET 10-Q ↗
315.3000 317.7400 288.8300 299.6900 6,274,200
26 · 8-K Pre-market · 06:59 ET 8-K ↗
Weekend
Weekend
314.8700 317.6500 301.7600 303.6300 2,948,600
323.0100 328.8000 310.6580 311.2800 2,630,200
320.4200 325.6900 314.0100 322.7800 3,062,200
323.8500 324.9900 318.5800 320.4200 1,895,500
308.7800 325.4200 308.7800 321.0500 2,833,800
Weekend
Weekend
25 · 8-K After-hours · 16:10 ET 8-K ↗
312.5100 317.2400 307.6200 307.8100 2,102,500
302.8600 314.5700 300.9100 313.0000 2,906,400
306.6500 307.6670 294.2600 297.0000 2,732,900
313.7100 314.2800 304.8800 305.7100 2,631,200
318.0000 318.5000 304.1200 315.1700 2,372,600
Weekend
Weekend
294.1100 314.2000 291.2100 313.5300 3,609,900
289.4200 293.7040 284.0100 292.7700 2,767,900
282.5100 289.0770 282.3400 287.1600 2,581,900
288.0000 289.1200 276.8400 277.7000 3,395,800
295.2800 296.4500 286.2700 287.5600 2,479,700
24 · 8-K/A Next filing day · accepted 17 Apr, 18:39 ET FORM 8-K/A ↗
Weekend
Weekend
304.0200 305.7600 291.6000 296.2100 2,266,600
296.3600 304.1800 294.1750 299.1400 2,897,400
298.4450 299.8600 292.6350 294.7300 1,930,300
295.7500 297.4000 289.9700 296.6100 2,284,800
283.0400 292.7000 281.5000 291.7200 2,696,000
Weekend
Weekend
280.4100 293.0000 280.0030 286.5000 2,691,800
284.5700 293.5950 280.0300 280.2500 3,002,400
283.0000 288.0000 281.2400 284.2700 2,584,900
273.9100 275.6300 267.7000 272.5800 2,829,300
273.6450 277.7700 272.4800 275.1600 2,470,900
Weekend
Weekend
No trading
271.2600 275.6400 264.7400 272.8200 3,256,700
282.4380 286.7000 277.3000 279.4600 3,560,400
275.0500 284.9250 270.8900 279.2500 6,205,200
23 · 8-K Pre-market · 06:07 ET 8-K ↗ 22 · DEFA14A After-hours · 17:28 ET SEC Form DEFA14A ↗
303.5700 310.0000 295.0000 298.6100 2,675,000
Weekend
Weekend
295.9100 306.9400 295.9100 301.4900 2,495,200
21 · 8-K After-hours · 16:05 ET 8-K ↗
301.0000 303.0000 285.6700 295.1900 3,129,200
302.7700 309.1900 300.3300 303.3200 2,424,400
286.4400 299.2590 286.4400 294.8500 2,405,900
290.5300 294.6400 285.5100 289.7600 2,717,900
Weekend
Weekend
20 · 8-K After-hours · 16:39 ET 8-K ↗
314.4400 316.4700 277.8650 281.9900 6,107,400
19 · DEFA14A After-hours · 16:01 ET SEC Form DEFA14A ↗ 18 · DEF 14A After-hours · 16:00 ET SEC Form DEF 14A ↗
313.9450 318.3760 306.7000 316.4700 2,386,900
308.9900 322.6500 307.5500 317.2200 2,634,700
307.9800 311.0100 305.5540 307.6900 2,007,400
305.8700 307.5000 301.4200 305.5800 2,208,300
Weekend
Weekend
303.3200 308.8000 298.8750 301.7700 1,988,600
297.0000 309.2800 295.0000 301.5500 2,750,500
316.7800 316.9300 298.2500 300.6900 4,343,200
322.7100 326.0600 316.6900 317.0900 2,316,600
312.2600 323.9500 309.0300 322.9900 2,736,900
Weekend
Weekend
327.0500 331.5000 317.5000 319.0600 3,432,400
317.5900 332.4200 317.5900 332.0700 3,129,200
323.7600 326.5900 318.0000 322.8500 2,342,500
313.0000 328.4000 309.1300 324.8700 4,260,300
321.9400 333.8000 320.7240 327.1600 3,539,400
Weekend
Weekend
320.0000 330.1450 318.6000 329.8800 3,439,500
324.5100 324.9190 308.7100 323.5600 3,960,900
312.6400 327.6400 312.5200 325.8400 4,999,700
17 · 10-K After market open · 12:11 ET 10-K ↗
297.4050 313.1150 290.8100 312.6400 4,652,100
16 · 8-K Pre-market · 06:56 ET 8-K ↗
294.0000 299.7500 289.0900 293.8000 3,223,200
Weekend
Weekend
291.9300 297.2300 289.8800 294.8400 3,134,000
292.4800 298.2300 289.0000 291.6600 2,550,000
15 · S-3ASR After-hours · 16:30 ET S-3ASR ↗
305.7100 310.6550 290.6880 294.0500 3,794,400
289.4900 307.5300 288.0000 303.0100 5,259,200
No trading
Weekend
Weekend
275.9900 294.3600 272.0000 288.4300 5,450,300
278.4400 285.3700 270.3550 276.1200 4,893,400
272.6050 277.5700 268.2550 276.8500 3,862,100
14 · 8-K/A After-hours · 16:19 ET 8-K/A ↗
275.8150 276.4730 267.0000 271.1400 4,603,800
263.1250 272.9200 260.6900 272.1500 4,182,000
Weekend
Weekend
254.1450 263.9600 252.3800 261.4200 6,306,500
248.1500 254.0000 243.3000 247.0600 4,001,600
268.9500 268.9500 245.0200 250.4600 7,172,000
272.4600 273.4000 263.7100 268.4500 3,584,200
279.1900 282.9800 268.9000 270.8800 4,044,500
Weekend
Weekend
283.7600 288.3400 278.2300 280.6800 2,756,300
288.2050 292.6700 283.1100 287.4500 3,141,900
291.3500 293.2300 285.1700 287.9500 3,279,700
286.0200 290.4000 282.5000 288.7600 5,963,900
286.5500 291.8000 284.4100 285.2700 3,344,100
Weekend
Weekend
287.4400 292.2500 285.4400 289.0600 3,785,200
300.4900 302.7300 286.9000 287.3500 4,771,600
297.8620 300.1550 290.9430 294.3700 5,711,800
301.4800 308.7500 292.4550 295.4000 6,079,600
No trading
Weekend
Weekend
322.4500 323.0500 300.4100 307.7100 9,206,900
13 · 8-K After-hours · 16:04 ET 8-K ↗
335.9500 346.8100 335.0400 341.2000 3,054,000
330.0000 336.5900 325.8000 330.3800 2,448,400
335.8600 343.6500 332.5800 333.5300 2,754,400
12 · 8-K Pre-market · 07:58 ET 8-K ↗
334.6700 339.9900 333.0000 335.8600 2,485,200
Weekend
Weekend
339.4950 343.8800 333.6700 342.5200 5,908,000
337.0000 338.6300 321.6100 322.5400 4,114,300
11 · S-3ASR Next filing day · accepted 07 Jan, 21:21 ET S-3ASR ↗ 10 · 8-K After-hours · 16:23 ET FORM 8-K ↗
352.1100 352.4350 334.7900 338.6300 2,812,100
358.4500 359.8000 346.7400 354.5800 2,448,400
372.3300 378.5000 349.5400 354.9400 3,097,300
Weekend
Weekend
358.0000 373.2300 358.0000 366.2500 2,330,100
No trading
357.7200 360.4200 352.9600 353.2700 1,234,600
358.0000 360.6800 355.3100 357.1200 1,198,700
360.0000 369.0000 358.0250 358.3300 1,575,600
Weekend
Weekend
363.2400 363.3450 358.4000 360.4600 758,100
No trading
360.6200 364.5600 359.0000 363.9500 628,400
353.1400 364.3100 353.0000 361.3300 1,404,300
9 · 8-K Pre-market · 07:59 ET 8-K ↗
363.2750 363.9500 355.4000 357.8100 1,390,300
Weekend
Weekend
361.2000 368.6400 354.1900 355.4000 5,429,500
351.9900 371.2400 348.7800 361.0500 3,773,200
8 · 8-K After-hours · 17:20 ET 8-K ↗
368.5150 372.0000 334.1800 340.9700 4,598,000
356.0600 368.1800 350.3300 365.6250 2,496,800
356.6500 360.9600 350.6700 357.1400 2,628,800
Weekend
Weekend
379.0000 380.7800 351.2200 351.9800 3,778,600
360.7500 380.0000 354.3400 378.6000 2,530,300
358.5500 363.5180 346.4000 362.0700 2,382,200
7 · 8-K After-hours · 16:40 ET FORM 8-K ↗ 6 · 8-K After-hours · 16:36 ET FORM 8-K ↗
356.2000 364.6600 354.0100 359.1500 1,359,900
362.7650 364.2500 354.0000 357.6700 1,637,900
Weekend
Weekend
369.1650 370.0700 357.1200 359.8200 2,018,200
360.9800 374.4500 358.5000 368.6200 2,029,800
361.1900 365.4700 355.2100 361.2600 1,559,500
362.5350 368.7100 358.9450 363.6700 1,974,000
359.3300 361.2900 354.0000 359.0500 2,012,500
Weekend
Weekend
362.0000 366.3080 359.6000 364.3600 1,073,000
No trading
355.3900 361.1400 355.0000 359.0900 1,396,100
353.4600 355.5400 339.3400 351.5950 1,635,800
339.7500 355.5000 336.7700 354.1050 2,388,300
Weekend
Weekend
345.2800 345.2800 330.8600 338.1100 2,948,300
5 · 8-K Pre-market · 08:00 ET 8-K ↗
368.2500 379.2000 345.0000 345.7800 4,415,000
344.2750 362.7150 342.9300 357.4800 3,337,700
4 · 8-K After-hours · 17:06 ET 8-K ↗
333.7500 344.5500 333.7500 339.3500 3,209,900
336.6850 347.9900 334.0800 338.6700 2,129,500
Weekend
Weekend
328.6500 351.9800 326.8300 338.5200 2,732,800
350.2300 350.9900 333.6550 335.7400 3,604,300
354.6300 354.9900 346.2000 354.0200 1,994,300
3 · 8-K Pre-market · 06:05 ET 8-K ↗
359.6200 363.5600 348.4300 351.6700 1,830,100
367.2000 378.7800 352.6700 360.9300 2,436,300
Weekend
Weekend
2 · 10-Q After market open · 11:49 ET 10-Q ↗
335.4800 359.1000 332.1200 358.3900 5,775,300
1 · 8-K Pre-market · 07:00 ET 8-K ↗
360.9600 363.8800 348.5500 351.3000 3,909,800
364.9300 370.9800 357.0600 363.2500 3,228,300
368.7900 374.4400 360.4800 362.8200 3,192,200
380.9200 384.9810 375.1600 377.7100 2,506,700
Weekend
Weekend
388.0000 388.4700 372.1470 377.0000 2,383,800
397.1500 400.9800 381.9900 382.4800 2,218,200
382.0800 406.0430 380.5500 401.4300 2,615,900
397.0300 401.0000 375.5000 384.9500 2,865,600
392.7500 395.6330 384.1500 391.1500 2,642,300
Weekend
Weekend
376.4300 391.1160 373.6000 389.1900 2,999,900

Announcement Events

Each title opens the filing on the SEC website. Registered users can summarise the filing and up to seven relevant exhibits linked within the same SEC submission.

33 10-Q 10-Q (opens SEC filing in a new tab) After market open · 12:22 ET Summarise
32 8-K 8-K (opens SEC filing in a new tab) Pre-market · 06:52 ET Summarise
31 8-K 8-K (opens SEC filing in a new tab) After market open · 14:14 ET Summarise
30 8-K 8-K (opens SEC filing in a new tab) After-hours · 17:23 ET Summarise
29 8-K FORM 8-K (opens SEC filing in a new tab) After-hours · 16:15 ET Summarise
28 424B4 424B4 (opens SEC filing in a new tab) Pre-market · 06:57 ET Summarise
27 10-Q 10-Q (opens SEC filing in a new tab) After market open · 12:26 ET Summarise
26 8-K 8-K (opens SEC filing in a new tab) Pre-market · 06:59 ET Summarise
25 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:10 ET Summarise
24 8-K/A FORM 8-K/A (opens SEC filing in a new tab) Next filing day · accepted 17 Apr, 18:39 ET Summarise
23 8-K 8-K (opens SEC filing in a new tab) Pre-market · 06:07 ET Summarise
22 DEFA14A SEC Form DEFA14A (opens SEC filing in a new tab) After-hours · 17:28 ET Summarise
21 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:05 ET Summarise
20 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:39 ET Summarise
19 DEFA14A SEC Form DEFA14A (opens SEC filing in a new tab) After-hours · 16:01 ET Summarise
18 DEF 14A SEC Form DEF 14A (opens SEC filing in a new tab) After-hours · 16:00 ET Summarise
17 10-K 10-K (opens SEC filing in a new tab) After market open · 12:11 ET Summarise
16 8-K 8-K (opens SEC filing in a new tab) Pre-market · 06:56 ET Summarise
15 S-3ASR S-3ASR (opens SEC filing in a new tab) After-hours · 16:30 ET Summarise
14 8-K/A 8-K/A (opens SEC filing in a new tab) After-hours · 16:19 ET Summarise
13 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:04 ET Summarise
12 8-K 8-K (opens SEC filing in a new tab) Pre-market · 07:58 ET Summarise
11 S-3ASR S-3ASR (opens SEC filing in a new tab) Next filing day · accepted 07 Jan, 21:21 ET Summarise
10 8-K FORM 8-K (opens SEC filing in a new tab) After-hours · 16:23 ET Summarise
9 8-K 8-K (opens SEC filing in a new tab) Pre-market · 07:59 ET Summarise
8 8-K 8-K (opens SEC filing in a new tab) After-hours · 17:20 ET Summarise
7 8-K FORM 8-K (opens SEC filing in a new tab) After-hours · 16:40 ET Summarise
6 8-K FORM 8-K (opens SEC filing in a new tab) After-hours · 16:36 ET Summarise
5 8-K 8-K (opens SEC filing in a new tab) Pre-market · 08:00 ET Summarise
4 8-K 8-K (opens SEC filing in a new tab) After-hours · 17:06 ET Summarise
3 8-K 8-K (opens SEC filing in a new tab) Pre-market · 06:05 ET Summarise
2 10-Q 10-Q (opens SEC filing in a new tab) After market open · 11:49 ET Summarise
1 8-K 8-K (opens SEC filing in a new tab) Pre-market · 07:00 ET Summarise