ASP Isotopes Inc ASPI

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ASP Isotopes Inc. - Common Stock · Company · Nasdaq

Paper trade (simulated — no real money)

Fill: USD 3.8700 · FX 1 USD = 1.289800 SGD · about SGD 4.9915 per unit

Sign in to place simulated trades. 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 10.10 → 3.87 · -61.7%
14.0508.9603.870 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 56 57,58 59,60,61 62 Jul 25Oct 25Jan 26Apr 26Jul 26

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

Price & SEC Filing History 26 Jul 2025 — 27 Jul 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.

No data yet
Weekend
Weekend
4.0700 4.0700 3.8700 3.8700 2,607,900
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
62 · 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
61 · S-3ASR After-hours · 17:00 ET FORM S-3ASR ↗ 59 · 8-K After-hours · 16:15 ET 8-K ↗
4.3300 4.3600 3.8650 3.9450 8,170,200
60 · 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
58 · 8-K After-hours · 17:24 ET FORM 8-K ↗ 57 · 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
56 · 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
55 · 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
54 · 8-K After-hours · 17:15 ET 8-K ↗ 53 · 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
52 · 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
51 · 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
50 · 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
49 · 8-K Pre-market · 08:05 ET FORM 8-K ↗
Weekend
Weekend
47 · 10-K After-hours · 16:15 ET 10-K ↗
4.2800 4.5800 4.2600 4.4800 4,096,400
48 · 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
46 · 8-K/A After-hours · 17:15 ET FORM 8-K/A ↗ 45 · 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
44 · 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
43 · 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
42 · 8-K Pre-market · 08:30 ET FORM 8-K ↗
5.2000 5.4000 4.9000 5.1100 3,757,500
41 · 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
40 · 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
39 · 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
38 · 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
37 · 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
36 · 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
35 · 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
34 · 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
33 · 8-K Pre-market · 07:06 ET FORM 8-K ↗
5.8900 6.1600 5.6700 5.7900 4,929,300
32 · 8-K Pre-market · 07:34 ET FORM 8-K ↗ 31 · 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
30 · 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
29 · 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
28 · 8-K Pre-market · 08:30 ET FORM 8-K ↗
No trading
6.1500 6.2500 5.8300 5.9200 4,196,700
27 · 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
26 · 8-K Pre-market · 08:23 ET FORM 8-K ↗
7.8300 8.0900 6.6100 6.6450 8,072,400
25 · 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
24 · 8-K After-hours · 17:23 ET FORM 8-K ↗
7.8000 7.9300 7.2100 7.2400 8,489,700
Weekend
Weekend
23 · 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
22 · 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
21 · 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
20 · 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
19 · 8-K After-hours · 17:06 ET FORM 8-K ↗
9.0300 9.8900 8.8140 9.5450 8,330,300
9.4850 9.6500 8.5000 8.9100 11,603,000
10.0000 10.0500 9.4700 9.6200 9,068,900
10.3800 10.4300 9.7300 10.2600 8,910,800
Weekend
Weekend
10.6600 11.2800 9.8700 10.0100 14,569,300
12.9100 13.1900 10.9800 11.0500 15,518,000
18 · 8-K Pre-market · 06:16 ET FORM 8-K ↗ 17 · 424B5 Pre-market · 06:11 ET 424B5 ↗
13.2800 13.7500 11.9000 12.6200 26,549,400
16 · 424B5 Next filing day · accepted 14 Oct, 21:57 ET 424B5 ↗ 15 · S-3ASR After-hours · 16:10 ET FORM S-3ASR ↗
13.2000 14.4900 12.2500 14.0500 13,278,400
14 · 8-K Pre-market · 06:41 ET FORM 8-K ↗
11.0500 13.4900 11.0100 13.3200 25,092,200
Weekend
Weekend
8.8700 11.3700 8.8100 10.1300 19,265,700
9.3000 9.7480 8.5300 8.8500 8,137,400
8.9050 9.1790 8.5700 9.1100 5,423,200
9.0300 9.5100 8.7610 8.8950 5,594,700
9.4500 9.8480 8.8700 8.9700 5,815,000
Weekend
Weekend
13 · 8-K After-hours · 17:01 ET FORM 8-K ↗
8.9600 9.6900 8.9600 9.3400 6,794,500
9.2900 9.3300 8.7800 8.9900 6,517,000
9.4900 9.5570 8.8200 9.0900 7,393,200
12 · 8-K After market open · 10:56 ET FORM 8-K ↗
10.2700 10.3450 9.5900 9.6200 7,140,200
11 · 8-K After market open · 11:08 ET FORM 8-K ↗
10.5700 10.8150 10.2500 10.3500 4,045,400
Weekend
Weekend
10.6700 10.9970 10.4200 10.5500 3,045,800
10.5100 10.8900 10.0500 10.6800 4,329,100
11.5550 11.6300 10.9600 11.1200 6,009,000
11.2650 11.8600 10.8600 11.4400 7,837,200
9.9700 11.2500 9.4900 11.2200 11,650,200
10 · 8-K Pre-market · 08:38 ET FORM 8-K ↗
Weekend
Weekend
9.2500 10.0600 9.0200 9.8600 13,327,900
8.9200 9.4600 8.7850 9.1300 6,743,800
8.9100 9.0400 8.5900 8.7500 2,292,100
9.2590 9.2590 8.7100 8.9700 2,815,000
9 · 8-K After market open · 12:14 ET FORM 8-K ↗
8.7850 9.4150 8.3600 9.2600 4,526,200
Weekend
Weekend
8.7000 8.8850 8.6050 8.7700 1,617,800
8.4000 9.0900 8.3800 8.6500 3,314,000
8.6900 8.8600 8.3200 8.3700 1,947,800
8.4400 8.5800 8.1300 8.5000 2,246,600
8.3500 8.8050 8.2800 8.5300 4,121,600
8 · 8-K Pre-market · 09:20 ET FORM 8-K ↗
Weekend
Weekend
8.0900 8.2400 7.6900 8.2050 4,175,900
8.0500 8.3000 7.8300 7.9600 5,188,600
8.6500 8.6590 7.8600 8.0500 7,456,800
7 · 8-K After market open · 09:34 ET FORM 8-K ↗
9.0000 9.0200 8.3100 8.6700 8,107,100
No trading
Weekend
Weekend
10.2000 10.2000 8.9500 9.2800 8,997,200
10.1300 10.8700 10.0800 10.5350 4,855,600
10.3400 10.5790 10.0700 10.0800 3,242,400
9.9900 10.4800 9.9100 10.4700 3,888,800
6 · 8-K After-hours · 17:15 ET FORM 8-K ↗
9.3500 10.0700 9.0700 9.9500 5,494,200
Weekend
Weekend
9.0950 9.4050 8.7800 9.3450 4,286,400
8.8500 9.1900 8.7300 9.0300 3,230,700
8.8000 9.0800 8.3500 8.9700 4,135,800
9.2900 9.2900 8.5800 8.8800 5,345,900
9.3200 9.4700 8.7330 9.2950 4,675,100
Weekend
Weekend
5 · 8-K After market open · 10:03 ET FORM 8-K ↗
10.8800 11.1700 9.2200 9.3100 7,168,900
4 · 10-Q After-hours · 16:31 ET 10-Q ↗
10.6400 11.1400 10.3200 10.5700 3,896,900
11.3400 11.6800 10.5200 11.0300 6,211,500
9.7500 11.2600 9.6500 11.2100 6,480,800
9.2800 10.0800 9.0800 9.9200 3,617,400
Weekend
Weekend
3 · 8-K After market open · 09:38 ET FORM 8-K ↗
9.6800 10.0000 9.2400 9.3200 4,256,400
10.1500 10.2800 9.4300 9.6800 2,547,100
10.1650 10.2400 9.8600 10.0600 3,232,400
9.4700 9.9800 8.9800 9.9700 3,970,200
9.0300 9.4000 8.9400 9.4000 2,041,700
Weekend
Weekend
8.8000 9.1700 8.5270 8.9300 3,023,400
9.5000 9.7300 8.9500 9.0700 3,699,400
2 · 8-K After market open · 09:43 ET FORM 8-K ↗
9.3300 9.8300 9.0800 9.4100 4,620,200
10.0500 10.2000 9.1200 9.3500 4,984,300
10.5600 10.7900 9.8500 10.1000 4,680,200
1 · 8-K Pre-market · 09:15 ET FORM 8-K ↗
Weekend
Weekend

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.