AC Immune SA ACIU

Open calendar →

AC Immune SA - Common Stock · Company · Nasdaq · Healthcare / Biotechnology

Paper trade (simulated — no real money)

Fill: USD 2.4200 · FX 1 USD = 1.277900 SGD · about SGD 3.0925 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 3.59 → 2.42 · -32.6%
3.8402.9802.120 1 2 3 4 5,6 7 8,9 10 11 12,13 14 15 16 17 18 19 20 Oct 25Jan 26Apr 26Jul 26Oct 26

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

Price & SEC Filing History 25 Oct 2025 — 26 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.

No data yet
Weekend
Weekend
2.4800 2.4800 2.4000 2.4200 139,548
2.4500 2.5200 2.4500 2.5000 73,000
2.4600 2.5200 2.4600 2.4700 89,000
2.4100 2.5250 2.3950 2.4900 140,100
2.3800 2.4400 2.3700 2.4350 88,800
Weekend
Weekend
2.4500 2.4700 2.3800 2.3900 126,800
2.4300 2.4600 2.3810 2.4500 86,900
2.3700 2.4100 2.3500 2.4000 209,700
2.4300 2.4400 2.3900 2.4000 194,900
2.5000 2.5000 2.4200 2.4500 148,500
Weekend
Weekend
2.5500 2.5900 2.4750 2.5000 271,300
2.5700 2.6100 2.5000 2.5500 231,900
2.5200 2.5900 2.5000 2.5700 125,100
2.7200 2.7200 2.5100 2.5200 277,800
2.6800 2.7450 2.6500 2.7100 221,400
Weekend
Weekend
20 · 6-K After market open · 12:02 ET 6-K ↗
2.8400 2.8800 2.6900 2.7250 320,200
2.6400 2.8350 2.5700 2.8100 352,700
2.6300 2.7450 2.6100 2.6200 199,600
2.6500 2.6600 2.5600 2.6000 134,200
2.5200 2.6200 2.4050 2.6100 188,900
Weekend
Weekend
2.6600 2.6600 2.4520 2.5200 323,600
2.8500 2.8500 2.6600 2.6600 265,300
2.9000 2.9070 2.6690 2.8300 491,800
19 · 6-K Pre-market · 07:00 ET 6-K ↗
2.6900 2.7500 2.6600 2.7300 78,100
2.6300 2.7200 2.5700 2.6550 109,400
Weekend
Weekend
2.6900 2.8060 2.6250 2.6300 68,500
2.7100 2.7400 2.6600 2.6800 93,300
2.6800 2.7300 2.6100 2.6500 124,400
2.6500 2.7000 2.5900 2.6800 93,500
2.6900 2.7500 2.6600 2.6600 111,800
Weekend
Weekend
2.7000 2.7750 2.6800 2.7600 105,400
2.7400 2.7700 2.6800 2.6900 157,500
2.7800 2.8100 2.7250 2.7600 146,600
2.8200 2.8500 2.7700 2.7800 100,900
No trading
Weekend
Weekend
2.9100 2.9400 2.8200 2.8600 155,600
2.8500 3.0000 2.8500 2.9300 171,700
18 · 6-K Pre-market · 07:00 ET FORM 6-K ↗
2.7000 2.8650 2.7000 2.8400 257,200
2.6200 2.6800 2.5800 2.6800 103,400
2.6700 2.7350 2.6100 2.6400 133,000
Weekend
Weekend
2.7300 2.7700 2.6500 2.6500 105,600
2.8300 2.9100 2.6850 2.7100 169,400
2.9400 2.9800 2.7700 2.8500 269,100
2.8500 2.9650 2.8500 2.9200 241,300
2.9100 3.0000 2.7990 2.8600 370,600
Weekend
Weekend
2.6600 2.9450 2.6500 2.9000 442,000
2.6000 2.6500 2.4350 2.6400 237,100
17 · 6-K Pre-market · 07:00 ET 6-K ↗
2.6000 2.6900 2.5650 2.5800 280,700
2.5400 2.5900 2.5050 2.5700 90,200
2.4900 2.5650 2.4700 2.5300 104,600
Weekend
Weekend
2.5800 2.5800 2.4300 2.4900 133,200
2.5900 2.6450 2.5500 2.5700 217,300
2.5800 2.6350 2.5200 2.6200 380,500
2.3800 2.7000 2.3490 2.5400 1,057,100
16 · 6-K Pre-market · 07:00 ET 6-K ↗
2.3600 2.3700 2.2800 2.2800 105,400
Weekend
Weekend
2.3600 2.3700 2.3000 2.3600 76,900
2.2800 2.3550 2.2800 2.3200 70,300
2.2800 2.3700 2.2700 2.2900 145,000
15 · 6-K Pre-market · 07:00 ET 6-K ↗
2.2500 2.2900 2.2250 2.2700 106,000
2.2400 2.2650 2.1800 2.2200 118,300
Weekend
Weekend
2.4000 2.4000 2.1800 2.1900 229,000
2.3000 2.4050 2.2500 2.3700 245,800
2.2900 2.3200 2.2500 2.2700 61,300
2.3100 2.3200 2.2400 2.3200 104,100
2.2300 2.3400 2.1900 2.3000 130,800
Weekend
Weekend
2.3000 2.3200 2.1600 2.2300 384,400
2.2600 2.2700 2.1800 2.2400 79,300
2.2700 2.3350 2.1950 2.2700 245,500
2.2100 2.3200 2.2100 2.3000 94,700
2.1900 2.2550 2.1700 2.2500 206,900
Weekend
Weekend
2.2000 2.2000 2.1200 2.2000 356,200
2.3500 2.3500 2.1550 2.1800 238,900
2.4300 2.4350 2.3600 2.3600 64,000
2.4500 2.5100 2.4050 2.4100 165,000
2.4200 2.4500 2.3500 2.4500 250,000
Weekend
Weekend
2.6000 2.6000 2.3900 2.3900 199,700
2.5100 2.6200 2.5000 2.6000 289,900
2.5200 2.5900 2.4700 2.5200 164,100
2.5900 2.6000 2.4910 2.5400 141,500
2.5100 2.6300 2.4700 2.5100 269,200
Weekend
Weekend
No trading
2.3700 2.5200 2.3500 2.5100 364,500
2.3400 2.4400 2.1450 2.3800 687,300
2.5000 2.5400 2.3100 2.3800 585,800
14 · 6-K Pre-market · 09:03 ET FORM 6-K ↗
2.5900 2.6600 2.5300 2.6600 142,400
Weekend
Weekend
2.4400 2.5600 2.4400 2.5600 259,200
2.5500 2.5500 2.4250 2.4500 173,500
2.4500 2.6150 2.4350 2.5400 463,300
2.4900 2.5800 2.4350 2.4500 149,400
2.4500 2.5650 2.4400 2.5000 350,300
Weekend
Weekend
No trading
2.4000 2.4250 2.3350 2.4000 213,300
2.3600 2.4050 2.3300 2.3400 180,700
2.3700 2.3980 2.3100 2.3700 124,100
2.3100 2.3990 2.3100 2.3400 144,100
Weekend
Weekend
2.2800 2.3550 2.2500 2.3100 266,500
13 · 6-K After-hours · 16:53 ET FORM 6-K ↗
2.1600 2.2600 2.1200 2.2600 444,200
12 · 6-K Pre-market · 07:15 ET FORM 6-K ↗
2.2200 2.2200 2.0950 2.1200 560,600
2.1900 2.2700 2.0950 2.2600 575,600
2.2700 2.2800 2.1800 2.1900 296,600
Weekend
Weekend
2.3900 2.4600 2.2150 2.2500 328,100
2.4100 2.4500 2.3650 2.4000 218,400
2.4000 2.4300 2.3400 2.3900 252,100
2.4600 2.4700 2.3250 2.4200 546,000
2.6600 2.7780 2.4500 2.4600 449,700
Weekend
Weekend
2.7300 2.7800 2.6500 2.6600 293,100
2.9200 2.9200 2.7500 2.7500 196,400
2.9300 3.0300 2.8700 2.9300 173,700
2.8300 3.0300 2.8200 2.9300 310,900
No trading
Weekend
Weekend
2.8700 2.9100 2.8150 2.8300 78,100
2.8700 2.8700 2.7700 2.8500 146,700
2.8200 2.9400 2.7500 2.8900 178,200
2.7200 2.8500 2.7000 2.8200 272,400
2.8300 2.8950 2.7400 2.7700 224,800
Weekend
Weekend
2.8400 2.8400 2.7300 2.7900 357,200
11 · 6-K Pre-market · 09:17 ET FORM 6-K ↗
2.8600 2.9400 2.7500 2.8000 368,900
2.8550 2.8550 2.7200 2.8400 251,200
2.8400 2.8600 2.6600 2.7700 446,400
10 · 6-K Pre-market · 08:13 ET FORM 6-K ↗
2.8600 3.0900 2.8100 2.8300 310,200
Weekend
Weekend
2.9400 3.0000 2.8000 2.8600 342,800
2.9600 3.0100 2.9150 2.9200 200,900
3.0300 3.0980 2.9600 2.9700 345,700
3.0600 3.1600 3.0000 3.0100 251,600
2.9200 3.0950 2.9200 3.0500 216,700
Weekend
Weekend
3.0300 3.0580 2.9000 2.9800 458,100
3.0500 3.1500 2.9700 3.0300 240,900
9 · 6-K Pre-market · 07:09 ET FORM 6-K ↗ 8 · 6-K Pre-market · 07:05 ET FORM 6-K ↗
3.0500 3.0500 2.9200 2.9300 173,700
2.9000 3.0700 2.9000 3.0300 324,000
2.8400 2.9600 2.8000 2.8400 156,500
Weekend
Weekend
3.0000 3.0050 2.8400 2.8400 144,600
3.1600 3.2400 2.9600 2.9700 264,400
2.9800 3.1000 2.8500 3.0600 149,900
3.0300 3.0300 2.8700 2.8700 93,700
3.0000 3.0600 2.9100 2.9800 200,100
Weekend
Weekend
3.1200 3.1600 2.9700 3.0100 266,300
3.1000 3.1550 2.9100 3.0700 580,200
3.1000 3.1950 3.0500 3.1400 214,600
3.3100 3.3300 3.1900 3.1900 176,700
3.2700 3.4000 3.2500 3.3000 122,300
Weekend
Weekend
3.4000 3.4400 3.2800 3.2800 307,000
3.2100 3.4900 3.1900 3.4000 553,500
3.2900 3.4000 3.1100 3.2100 507,600
2.8100 3.1400 2.7700 3.1100 610,800
7 · 6-K Pre-market · 07:33 ET FORM 6-K ↗
2.7800 2.8500 2.6500 2.7000 171,400
Weekend
Weekend
No trading
2.7300 2.7700 2.7000 2.7600 119,800
2.8000 2.9200 2.7600 2.7900 199,100
2.6100 2.7700 2.5900 2.7500 127,600
2.7700 2.7950 2.5500 2.5600 291,700
Weekend
Weekend
2.8500 2.9200 2.7000 2.7000 260,600
2.9000 2.9900 2.8510 2.8900 146,200
2.9200 3.0800 2.8800 2.9400 129,300
2.8600 2.8880 2.7650 2.8600 109,400
2.8800 3.0130 2.8000 2.8800 122,000
Weekend
Weekend
2.9200 3.2000 2.8350 2.8500 232,800
3.0900 3.1500 2.8900 2.9500 141,800
3.3100 3.4300 3.0700 3.0900 221,000
3.1400 3.3300 3.1210 3.3200 278,100
2.9800 3.3100 2.9740 3.1300 400,200
Weekend
Weekend
2.9600 3.2200 2.9600 3.0150 255,700
6 · 6-K Pre-market · 07:02 ET 6-K ↗ 5 · 20-F Pre-market · 07:00 ET 20-F ↗
3.0300 3.2600 2.9980 3.0000 336,300
3.0200 3.0700 2.9400 3.0600 339,800
2.8800 3.1000 2.8120 3.0400 295,600
2.7600 2.9100 2.7550 2.8600 221,600
Weekend
Weekend
2.7300 2.8200 2.6600 2.7900 211,100
2.7600 2.8500 2.6500 2.7300 274,000
2.8800 2.9200 2.6600 2.8400 616,700
2.8000 2.9150 2.6900 2.9100 471,300
2.8300 2.9100 2.7500 2.8800 333,900
Weekend
Weekend
2.9300 2.9900 2.8500 2.9300 237,500
2.7500 2.9800 2.6600 2.9600 279,500
2.7500 2.8300 2.6650 2.7600 197,900
2.5500 2.7300 2.4400 2.7200 233,700
4 · 6-K Pre-market · 07:30 ET FORM 6-K ↗
2.5200 2.5700 2.4500 2.5300 715,800
Weekend
Weekend
2.5300 2.5900 2.4950 2.5200 279,800
2.6300 2.6300 2.4950 2.5300 504,600
2.6250 2.7500 2.4500 2.6200 780,700
3 · 6-K After-hours · 16:36 ET FORM 6-K ↗
2.9700 2.9700 2.8000 2.9100 191,100
No trading
Weekend
Weekend
2.9700 3.0300 2.9200 2.9900 145,800
3.0300 3.0400 2.8800 2.9300 247,400
3.1000 3.1000 2.8800 3.0300 229,300
3.0900 3.1350 3.0200 3.0600 191,700
3.1900 3.1900 2.9700 3.1100 183,000
Weekend
Weekend
2.9800 3.1600 2.9550 3.1400 315,900
3.0300 3.1900 2.9500 2.9600 419,100
3.3300 3.3600 3.0100 3.0600 368,700
3.2900 3.4100 3.2300 3.3400 256,800
3.2100 3.3500 3.1900 3.2700 147,700
Weekend
Weekend
3.3400 3.4300 3.1700 3.1900 250,700
3.4500 3.4500 3.3100 3.4000 169,800
3.5700 3.5800 3.4100 3.4700 256,100
3.5100 3.5900 3.4200 3.5400 254,000
3.6800 3.7500 3.4500 3.4800 222,700
Weekend
Weekend
3.6200 3.9000 3.5350 3.7000 573,700
3.4600 3.6900 3.3200 3.6300 423,800
3.3500 3.4390 3.2400 3.4000 268,200
3.5300 3.5950 3.2800 3.3200 485,900
No trading
Weekend
Weekend
3.6000 3.6720 3.4700 3.5100 198,400
3.6300 3.8000 3.5300 3.6300 387,500
3.6600 3.6800 3.5000 3.6700 506,900
3.5300 3.7400 3.4200 3.7000 456,400
3.4000 3.5600 3.3200 3.5200 323,100
Weekend
Weekend
3.4700 3.5590 3.3600 3.4100 362,500
3.6100 3.6700 3.4000 3.4400 244,300
3.4600 3.7000 3.4500 3.6800 471,200
3.5300 3.7300 3.4050 3.4300 970,600
3.3100 3.6400 3.3000 3.5200 1,086,300
Weekend
Weekend
3.1600 3.3600 3.0900 3.3600 461,400
No trading
3.1300 3.2710 3.1200 3.1400 259,600
3.2200 3.2900 3.1200 3.1500 163,300
3.1350 3.3000 3.1350 3.2500 297,800
Weekend
Weekend
3.0900 3.1700 3.0200 3.1300 242,700
No trading
3.1500 3.1800 3.0300 3.1300 159,200
3.1700 3.2100 3.0800 3.1500 278,100
3.0750 3.2000 3.0300 3.1800 290,100
Weekend
Weekend
2.9700 3.0550 2.9400 3.0300 268,100
2.9800 3.1000 2.8700 2.9500 359,300
3.2900 3.3200 2.9000 2.9400 528,200
3.2400 3.4500 3.1600 3.2900 692,500
3.3600 3.3900 3.1300 3.2400 973,800
Weekend
Weekend
3.4300 3.8000 3.1200 3.1500 2,707,800
3.1700 3.6000 2.5600 3.2200 19,953,300
2 · 6-K Pre-market · 07:04 ET FORM 6-K ↗
2.5700 2.8300 2.5410 2.7900 455,800
2.8100 2.8400 2.5400 2.5400 424,800
2.8300 2.9100 2.7400 2.7800 264,400
Weekend
Weekend
2.9500 2.9900 2.7900 2.8000 158,400
2.8100 2.9000 2.7200 2.8800 137,900
2.7800 2.8600 2.7000 2.8500 279,600
2.7400 2.9300 2.6600 2.7700 396,900
2.9900 2.9900 2.7400 2.7400 161,700
Weekend
Weekend
2.9300 3.0400 2.9300 2.9900 53,300
No trading
2.9300 2.9900 2.8150 2.9300 159,800
3.0700 3.0700 2.7000 2.9000 727,400
3.0000 3.1250 2.8800 3.0800 146,200
Weekend
Weekend
2.9300 3.0000 2.8900 3.0000 86,200
3.1500 3.2050 2.8300 2.9100 265,400
3.0100 3.2250 3.0100 3.1200 129,100
3.0800 3.1600 3.0100 3.0500 183,100
3.2600 3.2600 3.0900 3.1000 333,300
Weekend
Weekend
3.1600 3.4200 3.1500 3.2900 155,100
3.2600 3.3800 3.2250 3.2300 142,100
3.3800 3.4900 3.2400 3.2800 251,100
3.3500 3.5000 3.3000 3.3900 159,200
3.3500 3.5000 3.3100 3.3500 102,300
Weekend
Weekend
3.4400 3.4500 3.2200 3.3000 100,700
3.3900 3.4600 3.2000 3.4500 223,700
3.2800 3.6500 3.2000 3.4300 426,500
3.1500 3.7000 3.1500 3.3000 542,500
1 · 6-K Pre-market · 07:00 ET 6-K ↗
3.3500 3.3500 3.1100 3.1800 236,500
Weekend
Weekend
3.4400 3.7850 3.2100 3.3800 411,700
3.7500 3.8800 3.3800 3.3800 547,800
3.5200 4.0000 3.2300 3.8400 1,107,800
3.5800 3.6350 3.3150 3.5200 455,800
3.3400 3.7000 3.1150 3.5900 807,600
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.

20 6-K 6-K (opens SEC filing in a new tab) After market open · 12:02 ET Summarise
19 6-K 6-K (opens SEC filing in a new tab) Pre-market · 07:00 ET Summarise
18 6-K FORM 6-K (opens SEC filing in a new tab) Pre-market · 07:00 ET Summarise
17 6-K 6-K (opens SEC filing in a new tab) Pre-market · 07:00 ET Summarise
16 6-K 6-K (opens SEC filing in a new tab) Pre-market · 07:00 ET Summarise
15 6-K 6-K (opens SEC filing in a new tab) Pre-market · 07:00 ET Summarise
14 6-K FORM 6-K (opens SEC filing in a new tab) Pre-market · 09:03 ET Summarise
13 6-K FORM 6-K (opens SEC filing in a new tab) After-hours · 16:53 ET Summarise
12 6-K FORM 6-K (opens SEC filing in a new tab) Pre-market · 07:15 ET Summarise
11 6-K FORM 6-K (opens SEC filing in a new tab) Pre-market · 09:17 ET Summarise
10 6-K FORM 6-K (opens SEC filing in a new tab) Pre-market · 08:13 ET Summarise
9 6-K FORM 6-K (opens SEC filing in a new tab) Pre-market · 07:09 ET Summarise
8 6-K FORM 6-K (opens SEC filing in a new tab) Pre-market · 07:05 ET Summarise
7 6-K FORM 6-K (opens SEC filing in a new tab) Pre-market · 07:33 ET Summarise
6 6-K 6-K (opens SEC filing in a new tab) Pre-market · 07:02 ET Summarise
5 20-F 20-F (opens SEC filing in a new tab) Pre-market · 07:00 ET Summarise
4 6-K FORM 6-K (opens SEC filing in a new tab) Pre-market · 07:30 ET Summarise
3 6-K FORM 6-K (opens SEC filing in a new tab) After-hours · 16:36 ET Summarise
2 6-K FORM 6-K (opens SEC filing in a new tab) Pre-market · 07:04 ET Summarise
1 6-K 6-K (opens SEC filing in a new tab) Pre-market · 07:00 ET Summarise