ASP Isotopes Inc ASPI

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ASP Isotopes Inc. - Common Stock · Company · Nasdaq · Basic Materials / Chemicals

Paper trade (simulated — no real money)

Fill: USD 1.9450 · FX 1 USD = 1.277900 SGD · about SGD 2.4855 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 9.82 → 1.95 · -80.2%
10.7606.3531.945 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 34,35 36 37 38,39 40,41,42 43 44 45 46 47 48 49 50 51,52 53 54 55 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
2.0450 2.0600 1.9350 1.9450 3,149,712
2.0600 2.1100 2.0100 2.0900 3,754,200
2.1000 2.2350 2.0700 2.1700 2,793,500
2.0000 2.1800 1.9700 2.0300 4,072,700
2.2000 2.2000 1.8900 2.0550 7,168,500
Weekend
Weekend
2.2100 2.2400 2.1200 2.1400 3,978,300
55 · 8-K After market open · 12:22 ET 8-K ↗
2.1700 2.2200 2.0300 2.2100 7,825,400
2.2100 2.2300 2.0500 2.0700 5,192,600
2.3650 2.3800 2.2500 2.2800 5,012,900
2.6400 2.6700 2.4100 2.4400 5,258,100
Weekend
Weekend
2.8600 2.8600 2.6200 2.6500 3,798,800
2.8000 2.9300 2.7500 2.8300 4,958,400
2.7600 2.9000 2.6900 2.8600 4,226,100
2.9300 3.0000 2.7900 2.8500 4,232,500
2.9300 3.0550 2.8400 2.9300 5,264,100
Weekend
Weekend
54 · 8-K After market open · 10:01 ET FORM 8-K ↗
2.9000 2.9250 2.7500 2.9100 4,202,200
2.6500 2.7800 2.5350 2.7000 5,489,500
2.7600 2.8100 2.6300 2.6500 5,916,700
2.6700 2.8400 2.6050 2.6350 5,487,100
2.8600 2.8680 2.5100 2.6000 8,558,600
Weekend
Weekend
3.0000 3.0200 2.9000 2.9250 3,553,600
2.9850 3.0100 2.8800 2.9500 3,528,800
3.1450 3.1450 3.0100 3.0100 2,632,000
3.1900 3.2100 3.0700 3.1800 2,896,900
3.2100 3.3100 3.1500 3.1800 3,600,600
Weekend
Weekend
3.2950 3.3200 3.0350 3.0400 12,438,300
3.2500 3.3500 3.2250 3.2450 3,328,100
3.2600 3.2800 3.0500 3.1500 3,491,800
3.2100 3.2390 3.0500 3.1600 4,601,300
3.2400 3.3100 3.1800 3.1900 3,863,300
Weekend
Weekend
3.6000 3.6100 3.3000 3.3100 5,288,500
3.7600 3.8250 3.5800 3.5900 5,056,300
4.1500 4.2200 3.8050 3.8200 4,490,800
4.2900 4.4100 4.1800 4.2200 4,328,500
53 · 8-K Pre-market · 09:20 ET 8-K ↗
No trading
Weekend
Weekend
3.9500 4.2650 3.9100 4.2000 3,831,600
3.9500 3.9850 3.8700 3.9000 1,986,100
3.8000 3.9700 3.7500 3.9300 3,020,500
3.8850 3.9200 3.7250 3.7800 3,885,700
3.9000 4.0350 3.8800 4.0200 2,752,900
Weekend
Weekend
4.0500 4.1100 3.8600 3.8800 2,755,700
4.0300 4.1020 3.9850 4.0400 2,234,200
4.0000 4.1500 3.8800 3.9450 2,644,500
3.9900 4.0900 3.8700 4.0000 3,408,700
4.0300 4.0500 3.8400 3.8900 3,895,000
Weekend
Weekend
4.0500 4.1000 3.8900 4.0000 3,428,000
52 · 8-K After-hours · 17:17 ET FORM 8-K ↗
4.1600 4.1600 3.8650 3.9500 3,920,900
51 · 8-K Pre-market · 08:05 ET 8-K ↗
3.9300 4.1400 3.8300 4.0900 2,843,100
3.9800 4.0600 3.8300 3.8600 3,295,000
50 · 8-K Pre-market · 08:05 ET 8-K ↗
4.3700 4.3700 3.9500 4.0200 4,312,600
Weekend
Weekend
49 · 10-Q After-hours · 17:14 ET 10-Q ↗
4.2700 4.3900 4.2350 4.2700 1,945,500
4.2900 4.4400 4.2780 4.2800 2,213,300
4.4200 4.4400 4.2800 4.3000 2,256,600
4.3470 4.4250 4.2500 4.3200 2,165,800
4.4300 4.4300 4.2100 4.2900 2,359,300
Weekend
Weekend
4.2600 4.4950 4.1150 4.4300 3,387,800
4.0100 4.2000 3.9600 4.1000 3,529,000
48 · 8-K Pre-market · 08:12 ET 8-K ↗
4.3000 4.3000 4.0200 4.0500 4,757,600
47 · 8-K Pre-market · 08:05 ET 8-K ↗
4.3500 4.4100 4.1000 4.2900 5,876,100
46 · 8-K Pre-market · 08:06 ET 8-K ↗
3.9600 4.2200 3.8900 4.1400 2,700,900
Weekend
Weekend
4.0460 4.1500 3.8600 4.0000 2,335,800
3.6250 4.0400 3.5500 3.9800 4,259,900
45 · 8-K Pre-market · 08:10 ET 8-K ↗
3.8000 3.8800 3.5100 3.5400 5,755,600
4.0000 4.0300 3.7400 3.7750 5,444,000
44 · 8-K Pre-market · 08:16 ET 8-K ↗
3.9700 4.1050 3.8450 4.0500 3,124,900
Weekend
Weekend
4.0700 4.0700 3.8700 3.8700 2,614,700
3.9400 4.0900 3.9300 4.0400 2,660,900
4.2350 4.3080 4.0350 4.0800 3,528,700
4.0250 4.4000 4.0250 4.2600 5,050,900
43 · 8-K Pre-market · 08:05 ET 8-K ↗
3.9300 3.9600 3.7700 3.8900 3,532,400
Weekend
Weekend
3.8800 3.9870 3.6100 3.8750 6,625,900
42 · S-3ASR After-hours · 17:00 ET FORM S-3ASR ↗ 40 · 8-K After-hours · 16:15 ET 8-K ↗
4.3300 4.3600 3.8650 3.9450 8,170,200
41 · 8-K Next filing day · accepted 15 Jul, 21:58 ET FORM 8-K ↗
4.8400 4.9900 4.5350 4.5800 3,480,600
4.8300 4.9200 4.6750 4.7000 2,904,500
5.0200 5.0200 4.5800 4.5900 4,646,300
Weekend
Weekend
5.2700 5.4350 4.9900 5.0100 3,070,800
5.0900 5.2500 4.9700 5.1450 2,255,100
4.9100 5.1600 4.8350 4.9400 3,107,400
5.4550 5.4550 4.9800 5.0600 4,217,700
5.6800 5.6900 5.3950 5.5300 3,556,900
Weekend
Weekend
No trading
6.1600 6.5000 5.5500 5.6300 4,841,600
6.1400 6.5600 6.1200 6.1700 3,927,000
6.3800 6.6930 6.0900 6.2200 4,822,000
6.3000 6.4900 6.1000 6.2200 4,386,300
Weekend
Weekend
6.1600 6.2750 5.8600 6.1700 7,525,500
39 · 8-K After-hours · 17:24 ET FORM 8-K ↗ 38 · 8-K After market open · 10:15 ET 8-K ↗
7.2900 7.5250 6.0110 6.3500 7,258,200
7.1000 7.2800 6.6500 7.0600 5,574,400
6.9100 7.6000 6.9000 7.0800 4,399,200
37 · 8-K Pre-market · 08:00 ET FORM 8-K ↗
7.0250 7.4300 6.9300 7.2800 4,666,900
Weekend
Weekend
No trading
6.9750 7.3200 6.7720 7.1800 4,450,100
6.4900 7.0900 6.4700 6.6800 3,947,000
6.6100 6.8500 6.3100 6.4400 3,311,400
7.0100 7.1200 6.5750 6.6400 4,948,600
Weekend
Weekend
6.3000 6.8400 6.2500 6.5500 5,156,600
5.7900 6.3100 5.6750 6.2300 4,308,500
6.2200 6.4050 5.8150 5.8500 4,018,200
6.8000 7.1000 6.0550 6.4000 6,459,300
6.9700 7.2800 6.7350 6.8300 4,492,800
Weekend
Weekend
7.3650 7.3900 6.4500 6.7100 8,390,600
7.2800 8.1300 7.1700 7.9700 5,359,700
8.1800 8.1800 7.5300 7.5500 6,329,300
8.0000 8.5400 7.8090 8.3300 7,341,000
7.6250 8.1500 7.4600 8.0100 7,555,800
Weekend
Weekend
7.6600 8.0700 7.4100 7.7800 7,379,900
6.7100 7.9800 6.7000 7.7700 11,820,500
6.8700 7.1900 6.5500 6.6700 7,822,400
6.3800 7.0400 6.3800 6.9300 14,028,100
36 · 8-K Pre-market · 08:01 ET 8-K ↗
No trading
Weekend
Weekend
5.2700 5.8300 5.2400 5.5500 5,037,400
5.2600 5.4400 4.9500 5.1700 5,079,300
35 · 8-K After-hours · 17:15 ET 8-K ↗ 34 · 10-Q After-hours · 16:26 ET 10-Q ↗
4.8500 5.3150 4.8400 5.2600 3,822,300
5.1400 5.1600 4.8050 4.8400 4,313,500
5.7400 5.7900 5.2200 5.2750 4,530,200
Weekend
Weekend
5.7850 5.8750 5.6600 5.8000 4,170,900
6.2250 6.3200 5.9100 6.0900 4,046,500
6.0000 6.5000 5.8870 6.3200 6,349,100
5.9900 6.0350 5.6200 5.9700 5,227,500
5.6200 6.5000 5.5100 6.2200 9,786,500
33 · 8-K Pre-market · 07:34 ET 8-K ↗
Weekend
Weekend
5.3800 5.4100 5.1800 5.3800 2,427,700
5.4500 5.4750 5.2000 5.3300 3,123,300
5.1900 5.5800 5.0800 5.5400 3,936,300
32 · 8-K Pre-market · 07:32 ET 8-K ↗
5.2600 5.3100 5.0050 5.1300 2,503,200
5.1500 5.3450 5.0500 5.1600 2,690,400
Weekend
Weekend
5.2250 5.2300 4.9800 5.1500 2,817,500
31 · 10-K/A After-hours · 16:15 ET 10-K/A ↗
4.9900 5.2700 4.9900 5.2600 2,274,200
5.2000 5.2450 4.9000 4.9400 3,209,300
5.5250 5.5250 5.1600 5.2400 2,878,100
5.3740 5.8450 5.3500 5.6500 3,207,400
Weekend
Weekend
5.5800 5.6300 5.1950 5.3500 2,881,500
5.6100 5.8200 5.3400 5.4300 4,945,800
5.2900 5.6200 5.2000 5.6100 4,178,900
5.4900 5.5400 5.0400 5.0600 3,645,500
5.1400 5.5450 5.1200 5.4700 2,707,800
Weekend
Weekend
5.2500 5.8450 5.2500 5.3700 7,370,500
5.4900 5.5400 5.0500 5.1100 4,740,800
5.1000 5.7700 5.1000 5.3800 6,706,700
5.1900 5.3800 4.7150 5.0000 5,165,000
4.5800 5.1300 4.2200 5.0600 7,988,600
30 · 8-K Pre-market · 08:05 ET FORM 8-K ↗
Weekend
Weekend
28 · 10-K After-hours · 16:15 ET 10-K ↗
4.2800 4.5800 4.2600 4.4800 4,096,400
29 · 8-K Pre-market · 09:03 ET FORM 8-K ↗
4.3800 4.4150 4.1900 4.2100 2,260,100
4.4100 4.5100 4.2200 4.5000 4,753,900
4.1500 4.2400 4.0500 4.0700 2,987,700
4.2600 4.4300 4.2000 4.2100 2,278,800
Weekend
Weekend
No trading
4.0100 4.3000 3.9200 4.2900 3,155,400
4.5000 4.5190 4.0600 4.1100 4,298,600
4.3200 4.5150 4.2650 4.4200 3,674,200
4.4100 4.4900 4.1500 4.2200 3,867,900
Weekend
Weekend
4.4400 4.5600 4.1700 4.3700 5,176,900
4.8800 4.9000 4.5900 4.6100 4,119,400
4.9700 5.2200 4.9300 5.0400 3,884,600
27 · 8-K/A After-hours · 17:15 ET FORM 8-K/A ↗ 26 · 8-K After market open · 09:39 ET FORM 8-K ↗
4.7850 5.2350 4.7500 4.9800 5,928,000
4.5500 4.8900 4.3620 4.8300 7,862,300
25 · 8-K Pre-market · 09:15 ET FORM 8-K ↗
Weekend
Weekend
4.3500 4.3600 4.0400 4.2150 7,604,800
4.3400 4.4300 4.0800 4.3700 6,242,700
5.0300 5.0700 4.6400 4.6450 3,863,000
5.2800 5.4300 4.7400 4.9700 7,487,000
5.4100 5.5000 5.1100 5.3400 3,801,700
Weekend
Weekend
5.8900 6.1500 5.2000 5.2800 6,301,500
5.7300 6.1500 5.5200 5.8500 8,689,800
5.9800 6.3250 5.6600 5.6800 6,084,900
5.8600 6.4500 5.8500 6.0400 9,312,000
24 · 8-K Pre-market · 08:22 ET FORM 8-K ↗
5.4700 6.0200 5.2700 5.8100 5,803,600
Weekend
Weekend
5.0500 5.6500 4.9800 5.5500 7,838,100
23 · 8-K Pre-market · 08:30 ET FORM 8-K ↗
5.2000 5.4000 4.9000 5.1100 3,757,500
22 · 8-K Pre-market · 07:49 ET FORM 8-K ↗
5.3300 5.5550 5.2600 5.3100 2,971,300
5.1600 5.3950 4.9900 5.2600 3,124,600
5.1300 5.5900 5.1000 5.5000 2,661,800
Weekend
Weekend
5.4100 5.4900 5.1820 5.3400 2,968,600
5.7000 5.8100 5.4100 5.6600 3,001,000
5.5000 5.9500 5.3400 5.7400 4,200,900
5.2700 5.4600 5.1300 5.4200 2,645,400
5.2450 5.4500 5.0700 5.3300 2,870,700
21 · 8-K Pre-market · 08:15 ET FORM 8-K ↗
Weekend
Weekend
5.3500 5.5450 5.1140 5.2000 2,833,900
5.3500 5.5450 5.2000 5.4600 3,154,000
20 · 8-K Pre-market · 09:25 ET FORM 8-K ↗
5.4100 5.6600 5.3300 5.4900 2,922,500
5.1300 5.4400 4.9900 5.3850 3,244,400
19 · 8-K Pre-market · 08:00 ET FORM 8-K ↗
No trading
Weekend
Weekend
5.1000 5.3950 4.9800 5.2200 3,017,800
5.7100 5.7400 5.0700 5.1300 4,873,800
5.5400 5.7000 5.2450 5.6700 4,211,600
5.7300 5.7300 5.4300 5.4700 3,191,100
5.6900 5.8000 5.4500 5.7300 3,664,300
Weekend
Weekend
5.4400 5.8700 5.3100 5.8150 4,613,300
5.5800 5.6800 5.1400 5.2150 5,367,000
6.3300 6.3600 5.5000 5.8050 6,542,200
6.3500 6.4700 5.9700 6.3100 4,810,700
6.3400 6.5490 5.8230 6.0350 8,239,900
Weekend
Weekend
18 · 8-K After-hours · 17:00 ET FORM 8-K ↗
7.0500 7.2000 6.3200 6.3400 6,925,100
7.8200 7.9000 6.9630 7.2400 6,228,700
17 · 8-K Pre-market · 07:30 ET FORM 8-K ↗
7.7900 8.2100 7.4900 7.9400 7,353,200
7.5450 7.8650 7.2000 7.7900 5,166,300
8.5450 8.5800 7.3000 7.5200 8,528,600
Weekend
Weekend
8.1300 8.6000 7.7200 8.4800 8,084,000
7.4300 8.4500 7.3500 8.1300 9,149,200
7.4850 7.9900 6.7200 7.3000 6,909,700
7.4300 7.6100 7.1950 7.2700 4,832,800
No trading
Weekend
Weekend
7.6000 7.9260 7.4800 7.7400 6,643,500
7.2800 7.7500 7.1700 7.4800 8,570,300
7.3150 7.4400 6.9100 7.0900 5,758,300
7.6600 7.6900 7.0300 7.1600 5,102,100
16 · 8-K After-hours · 17:00 ET FORM 8-K ↗
7.5950 7.6500 7.0100 7.4900 5,429,100
Weekend
Weekend
7.2600 8.0800 7.2600 7.5100 19,154,900
6.3600 6.6720 6.2760 6.4400 3,640,200
6.5700 6.6200 6.2000 6.3100 2,875,700
15 · 8-K Pre-market · 09:28 ET FORM 8-K ↗
6.6300 6.8800 6.3900 6.5100 4,402,600
6.0000 6.6300 5.9800 6.5400 6,244,900
Weekend
Weekend
5.4800 5.7650 5.3500 5.6300 4,635,500
No trading
5.3600 5.4200 5.2400 5.3500 4,409,300
5.5900 5.6700 5.3750 5.4200 5,605,300
5.6700 5.8800 5.5710 5.7100 4,475,300
Weekend
Weekend
5.9400 5.9400 5.6600 5.7600 4,239,100
No trading
5.9500 6.0250 5.8480 5.9700 2,557,800
6.0200 6.3400 5.8850 5.9500 4,924,500
6.1200 6.1800 5.8500 6.0500 7,276,500
Weekend
Weekend
6.0000 6.2820 5.9000 6.0800 7,557,500
14 · 8-K Pre-market · 07:06 ET FORM 8-K ↗
5.8900 6.1600 5.6700 5.7900 4,929,300
13 · 8-K Pre-market · 07:34 ET FORM 8-K ↗ 12 · 8-K After market open · 09:30 ET FORM 8-K ↗
5.7900 6.3800 5.6900 5.7600 7,019,300
5.5300 5.7900 5.4750 5.6900 4,178,700
5.9900 5.9900 5.6600 5.6900 3,711,800
Weekend
Weekend
6.5000 6.5300 5.9000 5.9400 4,637,200
6.0000 6.5300 5.8900 6.4600 3,888,300
6.3400 6.3600 6.0100 6.1700 4,416,300
6.0000 6.4350 5.9200 6.2800 4,615,800
11 · 8-K After-hours · 17:00 ET FORM 8-K ↗
6.6000 6.6200 6.0200 6.1200 4,571,500
Weekend
Weekend
6.6050 6.8400 6.4700 6.5400 6,944,700
6.0300 6.8200 5.9400 6.6700 11,143,100
5.5100 5.7900 5.3000 5.7300 5,974,500
10 · 8-K Next filing day · accepted 02 Dec, 17:51 ET FORM 8-K ↗
5.7100 5.8600 5.5600 5.5800 5,397,200
5.9650 5.9800 5.5600 5.5800 6,454,600
Weekend
Weekend
6.0100 6.2550 5.9700 6.2200 3,023,400
9 · 8-K Pre-market · 08:30 ET FORM 8-K ↗
No trading
6.1500 6.2500 5.8300 5.9200 4,196,700
8 · DEF 14A After-hours · 16:33 ET DEF 14A ↗
6.1200 6.1600 5.5300 5.9900 8,214,200
6.1600 6.3000 5.9360 6.1650 8,393,900
Weekend
Weekend
6.7000 6.7000 5.7000 5.9700 13,620,600
7 · 8-K Pre-market · 08:23 ET FORM 8-K ↗
7.8300 8.0900 6.6100 6.6450 8,072,400
6 · 10-Q After-hours · 16:31 ET 10-Q ↗
7.7400 8.0050 7.4440 7.5000 4,785,200
7.2100 8.0700 7.0500 7.6300 6,522,300
5 · 8-K After-hours · 17:23 ET FORM 8-K ↗
7.8000 7.9300 7.2100 7.2400 8,489,700
Weekend
Weekend
4 · 8-K After-hours · 16:47 ET FORM 8-K ↗
7.7000 8.6300 7.5000 8.1100 6,957,200
8.8400 8.8800 7.8930 8.0000 5,261,600
3 · 8-K After-hours · 16:31 ET FORM 8-K ↗
8.8900 9.1900 8.6150 8.8700 4,758,500
9.2200 9.2400 8.5500 8.7300 3,330,900
9.1450 9.2850 8.6300 8.9200 7,132,500
Weekend
Weekend
2 · 8-K After market open · 09:31 ET FORM 8-K ↗
7.3900 9.3800 7.3900 9.0000 13,959,300
8.3800 8.3800 7.5800 7.6600 8,029,700
8.5600 8.6150 7.9200 8.4300 8,005,300
1 · 8-K Pre-market · 08:24 ET FORM 8-K ↗
8.7000 8.9500 8.2000 8.2200 6,293,800
10.0000 10.1400 9.0100 9.1500 6,285,500
Weekend
Weekend
10.7400 10.7600 9.8700 10.1300 5,103,000
10.0500 11.0900 9.8200 10.7600 7,033,300
10.4000 10.7280 10.1250 10.3700 6,480,400
10.0200 11.2200 10.0200 10.4300 9,206,200
10.2700 10.4600 9.6800 10.0900 5,399,400
Weekend
Weekend
9.7800 10.3300 9.6900 9.8200 7,733,700

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.