Archimedes Tech SPAC Partners II Co ATII

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Archimedes Tech SPAC Partners II Co. - Ordinary Shares · Company · Nasdaq

Paper trade (simulated — no real money)

Fill: USD 10.6850 · FX 1 USD = 1.289800 SGD · about SGD 13.7815 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 10.22 → 10.69 · 4.5%
11.38010.78510.190 Jul 25Oct 25Jan 26Apr 26Jul 26

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
10.6600 10.7400 10.6000 10.6850 318,000
10.6600 10.7200 10.6600 10.7000 385,100
10.7000 10.7000 10.6600 10.6800 81,900
10.7400 10.7400 10.6680 10.7000 128,800
10.7100 10.7200 10.6800 10.7100 121,200
Weekend
Weekend
10.7000 10.7400 10.6500 10.7100 193,200
10.7500 10.7750 10.6750 10.7400 315,400
10.8000 10.8000 10.7050 10.7500 144,000
10.8300 10.8460 10.7700 10.8000 99,900
10.8200 10.9300 10.7840 10.8000 78,700
Weekend
Weekend
10.8800 10.8800 10.8400 10.8600 62,900
10.8350 10.9400 10.8250 10.8900 424,400
10.9800 10.9800 10.8200 10.8200 33,300
10.8500 10.9300 10.8100 10.8500 99,600
10.9600 10.9600 10.8100 10.8500 47,900
Weekend
Weekend
No trading
10.8700 10.9500 10.8500 10.9000 70,100
10.8110 10.9400 10.8100 10.8600 677,200
10.8300 10.8400 10.7500 10.7800 479,800
10.8800 10.8800 10.8000 10.8100 533,400
Weekend
Weekend
10.8400 10.9000 10.8200 10.8200 169,900
10.8500 10.9000 10.7800 10.8500 271,000
10.8500 10.9900 10.7600 10.7700 191,800
10.8600 10.9900 10.8600 10.9100 68,000
11.0600 11.0600 10.9000 10.9300 96,600
Weekend
Weekend
No trading
10.9100 11.0100 10.9100 10.9600 119,900
10.9500 11.1200 10.8700 11.0000 214,200
11.0000 11.1500 10.9010 10.9800 141,100
11.0100 11.0250 10.9440 10.9800 125,800
Weekend
Weekend
10.9100 11.0000 10.9000 10.9800 161,700
10.9100 11.0000 10.9000 10.9700 174,300
11.0000 11.0000 10.9000 10.9100 156,600
11.1400 11.2000 10.9000 11.0000 224,200
11.0100 11.1300 10.9500 11.0200 475,900
Weekend
Weekend
11.3500 11.3500 10.8800 11.0000 448,100
11.3100 11.3390 11.1600 11.2700 135,900
11.2000 11.3700 11.1300 11.2900 418,000
11.2100 11.2500 11.0500 11.1900 280,600
11.2600 11.3800 11.2000 11.2200 587,700
Weekend
Weekend
11.2100 11.3900 11.0600 11.2200 507,500
11.3400 11.4000 11.1100 11.2000 232,900
11.2600 11.3400 11.1000 11.2600 398,100
11.3500 11.3900 11.2600 11.3300 243,800
No trading
Weekend
Weekend
11.2500 11.4000 11.1300 11.3800 463,300
11.2700 11.3300 11.1700 11.2000 175,300
11.1500 11.3700 11.0050 11.2300 885,100
11.0300 11.1500 10.9200 11.0600 598,600
11.0900 11.1200 11.0300 11.0300 298,400
Weekend
Weekend
10.8500 11.0750 10.8400 10.9300 790,800
10.8510 10.9500 10.8000 10.9000 216,900
10.8000 10.9000 10.7500 10.8550 285,100
10.8200 10.8550 10.7000 10.7600 145,600
10.7900 10.9000 10.7800 10.8500 516,600
Weekend
Weekend
10.7900 10.8250 10.7500 10.8000 117,500
10.8100 10.8700 10.7800 10.8000 370,000
10.6600 10.8900 10.6300 10.8300 601,600
10.6300 10.6500 10.6100 10.6100 10,200
10.6700 10.6700 10.6300 10.6400 117,500
Weekend
Weekend
10.6500 10.6680 10.6500 10.6500 120,900
10.6300 10.6700 10.6300 10.6500 187,900
10.6600 10.6800 10.6550 10.6800 145,200
10.7000 10.7000 10.5600 10.6400 58,100
10.6400 10.6900 10.6300 10.6800 134,200
Weekend
Weekend
10.6000 10.6700 10.5900 10.6200 28,000
10.6800 10.6800 10.5400 10.5900 85,200
10.7000 10.7000 10.6350 10.6700 459,000
10.5200 10.6100 10.5100 10.6100 4,552,500
10.4600 10.4700 10.4500 10.4600 12,300
Weekend
Weekend
10.4600 10.4600 10.4600 10.4600 0
10.4400 10.4600 10.4400 10.4600 1,200
10.4450 10.4450 10.4400 10.4400 400
10.4600 10.4600 10.4400 10.4400 500
10.4390 10.4390 10.4300 10.4300 9,900
Weekend
Weekend
10.4100 10.4300 10.4100 10.4300 1,300
10.4200 10.4200 10.4200 10.4200 0
10.4200 10.4200 10.4200 10.4200 0
10.4200 10.4200 10.4100 10.4200 25,400
10.4100 10.4100 10.4100 10.4100 0
Weekend
Weekend
No trading
10.4100 10.4100 10.4100 10.4100 0
10.4100 10.4100 10.4100 10.4100 0
10.4100 10.4100 10.4100 10.4100 0
10.4100 10.4100 10.4100 10.4100 0
Weekend
Weekend
10.4100 10.4100 10.4100 10.4100 100
10.4100 10.4600 10.4100 10.4100 26,600
10.4100 10.4350 10.4100 10.4100 1,200
10.4200 10.4500 10.4200 10.4500 500
10.4200 10.4200 10.4200 10.4200 100
Weekend
Weekend
10.4400 10.4600 10.4300 10.4400 422,100
10.4400 10.4400 10.4250 10.4400 79,300
10.4350 10.4350 10.4350 10.4350 4,800
10.4400 10.4400 10.4400 10.4400 1,300
10.4210 10.4250 10.4200 10.4220 14,300
Weekend
Weekend
10.4200 10.4700 10.4200 10.4700 500
10.4900 10.4900 10.4900 10.4900 0
10.4900 10.4900 10.4900 10.4900 500
10.4450 10.4450 10.4200 10.4300 34,000
10.4400 10.4600 10.4400 10.4400 400
Weekend
Weekend
10.4900 10.4900 10.4900 10.4900 400
10.4500 10.4500 10.4400 10.4500 9,500
10.4900 10.4900 10.4400 10.4400 122,900
10.5200 10.5200 10.4500 10.4500 423,400
10.5200 10.5200 10.4500 10.4610 25,000
Weekend
Weekend
10.5500 10.5600 10.5300 10.5300 11,400
10.6100 10.6100 10.6100 10.6100 0
10.5400 10.6200 10.5400 10.6100 10,100
10.5500 10.5500 10.5500 10.5500 0
10.5200 10.5500 10.5200 10.5500 1,700
Weekend
Weekend
10.5500 10.5500 10.5500 10.5500 0
10.5500 10.5500 10.5500 10.5500 24,000
10.5600 10.5600 10.5550 10.5550 1,500
10.5950 10.5950 10.5700 10.5700 3,100
No trading
Weekend
Weekend
10.5500 10.5800 10.5500 10.5800 900
10.5000 10.5800 10.5000 10.5800 1,300
10.5000 10.6500 10.5000 10.6000 800
10.5600 10.6500 10.5600 10.6500 200
10.5100 10.6500 10.5100 10.6500 2,000
Weekend
Weekend
10.5900 10.6600 10.5900 10.6500 3,800
10.5950 10.6000 10.5900 10.6000 9,100
10.6200 10.6600 10.5950 10.6000 108,500
10.6500 10.6600 10.6100 10.6400 407,400
10.5200 10.6500 10.5200 10.6400 75,700
Weekend
Weekend
10.5800 10.6500 10.5500 10.6500 48,000
10.6500 10.6800 10.5800 10.6800 36,900
10.6500 10.7000 10.6500 10.6700 10,800
10.6800 10.7000 10.6200 10.7000 117,800
10.6000 10.7000 10.6000 10.6800 124,500
Weekend
Weekend
10.5500 10.6600 10.5400 10.6500 190,900
10.4700 10.5600 10.4700 10.5550 132,500
10.4800 10.4800 10.4600 10.4700 84,100
10.4500 10.4650 10.4100 10.4600 46,200
No trading
Weekend
Weekend
10.4600 10.4600 10.4550 10.4600 2,100
10.4200 10.4600 10.4200 10.4500 116,800
10.4200 10.4200 10.3800 10.4200 60,900
10.3700 10.4200 10.3700 10.4200 7,800
10.3700 10.4100 10.3600 10.3800 42,000
Weekend
Weekend
10.3600 10.4200 10.3600 10.4060 45,700
10.3500 10.3840 10.3500 10.3600 2,500
10.3600 10.3800 10.3600 10.3600 37,000
10.3500 10.3800 10.3500 10.3500 3,200
10.4500 10.4500 10.3500 10.3500 5,700
Weekend
Weekend
10.3720 10.3800 10.3500 10.3500 28,500
No trading
10.3600 10.3600 10.3600 10.3600 900
10.3730 10.4050 10.3700 10.3700 5,800
10.4050 10.4050 10.3700 10.3850 6,700
Weekend
Weekend
10.3700 10.3900 10.3600 10.3900 7,900
No trading
10.3950 10.3950 10.3500 10.3600 54,700
10.3710 10.3800 10.3600 10.3600 20,900
10.3770 10.3770 10.3770 10.3770 2,600
Weekend
Weekend
10.4140 10.4160 10.3900 10.4000 3,000
10.3740 10.4000 10.3740 10.3800 68,800
10.3800 10.3800 10.3800 10.3800 100
10.3800 10.3800 10.3500 10.3700 800
10.3800 10.3800 10.3800 10.3800 200
Weekend
Weekend
10.3700 10.3700 10.3600 10.3650 80,900
10.3800 10.3800 10.3800 10.3800 200
10.3800 10.3800 10.3800 10.3800 400
10.3500 10.4000 10.3500 10.3800 700
10.4100 10.4100 10.3800 10.3800 7,900
Weekend
Weekend
10.3790 10.3800 10.3690 10.3700 98,100
10.3700 10.3700 10.3700 10.3700 0
10.3600 10.3700 10.3600 10.3700 25,100
10.3600 10.3950 10.3500 10.3500 64,400
10.4000 10.4000 10.3600 10.4000 1,000
Weekend
Weekend
10.4100 10.4100 10.3400 10.3600 600
No trading
10.4000 10.4000 10.3400 10.3900 1,600
10.3600 10.4000 10.3600 10.3600 26,100
10.4000 10.4000 10.3400 10.4000 600
Weekend
Weekend
10.3900 10.3900 10.3900 10.3900 900
10.3600 10.3900 10.3600 10.3600 28,800
10.3800 10.3800 10.3800 10.3800 35,300
10.3800 10.3800 10.3800 10.3800 0
10.3800 10.3800 10.3800 10.3800 0
Weekend
Weekend
10.3200 10.3800 10.3200 10.3800 19,500
10.3600 10.3600 10.3500 10.3500 700
10.3600 10.3600 10.3600 10.3600 0
10.3600 10.3600 10.3600 10.3600 0
10.3550 10.3600 10.3550 10.3600 2,100
Weekend
Weekend
10.3600 10.3800 10.3600 10.3800 90,200
10.3800 10.3800 10.3800 10.3800 100
10.3600 10.3800 10.3600 10.3800 10,800
10.3600 10.3600 10.3600 10.3600 1,500
10.3600 10.3600 10.3200 10.3200 5,500
Weekend
Weekend
10.3200 10.3600 10.3200 10.3600 500
10.3700 10.3700 10.3200 10.3600 5,300
10.3800 10.3800 10.3800 10.3800 300
10.3800 10.3800 10.3800 10.3800 200
10.3800 10.3800 10.3800 10.3800 2,800
Weekend
Weekend
10.3500 10.3700 10.3500 10.3700 30,400
10.3500 10.3500 10.3350 10.3350 800
10.3500 10.3500 10.3500 10.3500 0
10.3300 10.3600 10.3300 10.3500 12,700
10.3100 10.3500 10.3100 10.3500 24,900
Weekend
Weekend
10.3500 10.3500 10.3500 10.3500 300
10.3360 10.3500 10.3350 10.3350 9,400
10.3100 10.3650 10.3100 10.3600 72,400
10.4900 10.4900 10.3100 10.3400 40,400
10.2700 10.2700 10.2700 10.2700 14,400
Weekend
Weekend
10.2450 10.2500 10.2450 10.2500 4,200
10.2400 10.2400 10.2400 10.2400 0
10.2400 10.2400 10.2400 10.2400 12,400
10.2100 10.2100 10.2100 10.2100 0
10.2100 10.2100 10.2100 10.2100 0
Weekend
Weekend
10.2100 10.2100 10.2100 10.2100 0
10.2100 10.2100 10.2100 10.2100 0
10.2100 10.2100 10.2100 10.2100 0
10.2100 10.2100 10.2100 10.2100 0
10.2100 10.2100 10.2100 10.2100 0
Weekend
Weekend
10.2100 10.2100 10.2100 10.2100 0
10.2600 10.2600 10.2100 10.2100 5,700
10.2700 10.2700 10.2700 10.2700 200
10.2100 10.2200 10.1900 10.2100 45,500
10.2000 10.2000 10.2000 10.2000 0
Weekend
Weekend
10.2150 10.2200 10.2000 10.2000 5,200
10.2100 10.2100 10.2100 10.2100 100
10.2000 10.2000 10.2000 10.2000 0
10.2000 10.2000 10.2000 10.2000 200
10.2000 10.2000 10.1950 10.2000 12,100
Weekend
Weekend
10.2100 10.2200 10.2000 10.2000 2,200
10.2000 10.2600 10.2000 10.2500 5,700
10.2100 10.2100 10.2000 10.2000 1,400
10.2000 10.2000 10.1900 10.2000 300,000
10.2100 10.2100 10.2000 10.2000 184,400
Weekend
Weekend
10.2200 10.2200 10.2100 10.2100 11,400
10.2100 10.2100 10.2000 10.2000 341,500
10.2000 10.2000 10.2000 10.2000 0
10.2050 10.2050 10.2000 10.2000 3,100
No trading
Weekend
Weekend
10.2070 10.2070 10.2070 10.2070 0
10.2050 10.2070 10.2000 10.2070 5,600
10.2100 10.2100 10.2000 10.2000 1,100
10.2100 10.2200 10.2050 10.2100 463,700
10.2000 10.2150 10.2000 10.2150 1,100
Weekend
Weekend
10.1900 10.1900 10.1900 10.1900 100
10.1900 10.1900 10.1900 10.1900 5,000
10.1900 10.1950 10.1900 10.1900 57,000
10.2000 10.2000 10.2000 10.2000 6,000
10.2000 10.2150 10.2000 10.2100 3,800
Weekend
Weekend
10.2000 10.2000 10.2000 10.2000 25,000
10.1900 10.2150 10.1900 10.1900 3,200
10.2100 10.2300 10.1900 10.2100 10,400
10.2100 10.2100 10.2100 10.2100 300
10.2300 10.2300 10.2000 10.2000 217,900
Weekend
Weekend
10.2300 10.2300 10.2300 10.2300 100
10.2300 10.2300 10.2300 10.2300 3,600
10.2080 10.2300 10.2080 10.2300 1,100
10.2300 10.2300 10.2000 10.2300 263,500
10.2000 10.2000 10.2000 10.2000 0
Weekend
Weekend
10.2200 10.2200 10.2000 10.2000 155,000
10.2250 10.2300 10.2150 10.2150 12,000
10.2200 10.2200 10.2200 10.2200 0
10.2000 10.2300 10.2000 10.2200 143,200
10.2200 10.2200 10.2200 10.2200 200
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.

No SEC filings were found in this date range.