HCW Biologics Inc HCWB

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HCW Biologics Inc. - Common Stock · Company · Nasdaq · Healthcare / Biotechnology

Paper trade (simulated — no real money)

Fill: USD 1.1700 · FX 1 USD = 1.277900 SGD · about SGD 1.4951 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 23.52 → 1.17 · -95.0%
23.52012.3201.120 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 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
1.1400 1.1908 1.0900 1.1700 80,415
1.1500 1.1500 1.1000 1.1200 45,600
1.1700 1.2100 1.1500 1.1600 49,700
1.2500 1.2700 1.1700 1.1700 97,900
1.2400 1.3400 1.2300 1.2300 98,900
Weekend
Weekend
1.2300 1.2700 1.2200 1.2400 77,700
1.1700 1.2800 1.1500 1.2300 48,500
1.2410 1.2600 1.1400 1.1700 57,500
1.3000 1.4500 1.2500 1.2600 2,129,900
1.5600 1.6000 1.4700 1.4800 43,000
Weekend
Weekend
1.6000 1.7280 1.5200 1.6000 79,900
1.5900 1.6100 1.5100 1.5300 46,400
1.5500 1.6200 1.5400 1.5600 30,600
1.6100 1.6300 1.5500 1.5700 37,700
1.6400 1.6900 1.5500 1.6400 82,000
Weekend
Weekend
51 · S-1 After-hours · 20:30 ET S-1 ↗
1.6600 1.7210 1.6500 1.6800 64,600
50 · DEF 14A After market open · 14:00 ET DEF 14A ↗
1.7470 1.7470 1.6710 1.6900 55,100
1.7700 1.8230 1.7100 1.7100 48,200
1.8100 1.8500 1.7500 1.7500 51,400
1.8600 1.8950 1.7100 1.8200 102,200
Weekend
Weekend
1.8800 2.0000 1.8100 1.9300 416,900
1.6900 3.1200 1.6700 1.9900 13,666,200
49 · 8-K Pre-market · 08:30 ET 8-K ↗
1.8100 1.8300 1.6100 1.6600 161,200
1.9100 1.9800 1.7000 1.8100 132,900
1.9500 2.0200 1.8700 1.9100 59,100
Weekend
Weekend
2.0000 2.1500 1.8700 1.8700 87,500
2.0500 2.0740 1.9400 1.9500 66,700
2.0900 2.1000 1.8900 2.0100 86,500
2.1700 2.1890 2.0500 2.0500 55,300
2.2400 2.3250 2.1800 2.2000 97,800
Weekend
Weekend
2.4300 2.4450 2.1600 2.2400 93,900
2.4200 2.5200 2.4100 2.4300 29,200
48 · 8-K Next filing day · accepted 09 Sep, 18:02 ET 8-K ↗
2.4400 2.5300 2.3400 2.4600 102,100
2.5200 2.7200 2.1000 2.5100 3,078,600
47 · 8-K Pre-market · 09:00 ET 8-K ↗ 46 · PRE 14A Next filing day · accepted 04 Sep, 19:56 ET PRE 14A ↗
No trading
Weekend
Weekend
2.8100 2.9700 2.8000 2.9400 35,600
3.3400 3.3400 2.7000 2.8700 127,100
3.5400 3.8100 3.3200 3.3550 207,900
3.5100 3.7300 3.3000 3.4500 543,900
3.6000 3.6000 3.2110 3.5900 58,600
Weekend
Weekend
45 · S-1/A After-hours · 16:42 ET S-1/A ↗
3.2000 3.4300 3.0000 3.4300 120,200
2.7000 3.2800 2.6000 3.1700 332,400
2.6900 2.7000 2.5500 2.7000 60,600
2.3100 2.8880 2.2800 2.6000 278,800
2.3200 2.3230 2.1500 2.3100 307,700
Weekend
Weekend
2.1600 2.2300 2.0500 2.1800 55,500
44 · S-1 After market open · 14:58 ET S-1 ↗
2.2600 2.3800 2.0600 2.1200 90,100
2.1400 2.4000 2.1300 2.3000 111,900
2.5200 3.0500 2.0500 2.1300 1,237,400
2.6800 2.8960 2.4700 2.5200 59,900
Weekend
Weekend
43 · 10-Q After market open · 15:30 ET 10-Q ↗ 42 · 8-K After market open · 15:20 ET 8-K ↗ 41 · 10-Q/A After market open · 15:10 ET 10-Q/A ↗ 40 · 8-K After market open · 15:00 ET 8-K ↗
3.1850 3.2500 2.5800 2.6800 130,300
3.0800 3.2700 2.8500 2.9250 52,400
3.2100 3.3010 3.0900 3.1450 55,800
3.3000 3.4300 3.1300 3.1700 25,800
3.4400 3.6700 3.2400 3.2700 39,100
Weekend
Weekend
3.4100 3.5700 3.3000 3.4100 51,600
3.4500 3.5300 3.2000 3.4100 48,600
3.6900 3.6900 3.0700 3.4300 47,900
3.5900 3.6900 3.4100 3.6000 67,600
3.3000 4.2400 3.2500 3.3400 287,800
Weekend
Weekend
3.1400 3.3700 3.0700 3.2000 64,700
2.5500 3.3190 2.5200 3.1500 94,300
39 · 8-K After-hours · 17:12 ET 8-K ↗
2.5100 2.7600 2.3500 2.5800 54,300
2.6400 2.8170 2.5600 2.5850 40,700
2.6700 2.6700 2.4600 2.6500 72,300
Weekend
Weekend
2.8100 2.8800 2.4150 2.5000 56,700
3.2700 3.3300 2.8200 2.8800 91,700
3.3500 3.5900 3.1300 3.3450 89,700
3.8500 4.0350 3.1900 3.3800 94,400
4.0200 4.1090 3.7800 3.8300 80,400
Weekend
Weekend
4.0100 4.1800 4.0000 4.0000 16,900
4.3000 4.4530 4.0400 4.0600 97,500
4.4200 4.5000 4.3000 4.3000 45,200
4.4400 4.5200 4.3100 4.5000 25,800
4.6000 4.6150 4.4200 4.4200 37,200
Weekend
Weekend
4.6400 4.7800 4.4500 4.5500 30,600
4.4400 4.7600 4.4400 4.6450 30,700
4.4700 4.5300 4.3100 4.4300 20,200
4.5100 4.7800 4.3000 4.4700 41,900
4.4200 4.9700 4.4200 4.6200 59,400
Weekend
Weekend
No trading
4.4900 4.7400 4.2200 4.3000 101,800
4.8600 4.9790 4.3500 4.5800 74,000
38 · 8-K Pre-market · 08:30 ET 8-K ↗
5.5800 5.6100 4.8100 4.9900 130,700
37 · 8-K Pre-market · 08:30 ET 8-K ↗
6.2400 6.4380 5.1600 5.2560 79,183
Weekend
Weekend
5.6760 6.4800 5.4000 6.1800 80,217
36 · 8-K Pre-market · 09:00 ET 8-K ↗
6.5400 7.0800 6.5400 6.7200 38,267
6.2400 6.7200 6.1800 6.6600 32,933
6.6000 6.9000 6.4800 6.4800 48,917
6.4200 7.2000 5.8920 6.9600 748,700
Weekend
Weekend
No trading
35 · S-1/A After market open · 13:05 ET S-1/A ↗
6.5400 6.7800 6.2400 6.5400 156,583
6.4800 7.5000 6.4800 6.6000 91,150
6.6600 7.3200 6.2100 6.8400 718,550
34 · 8-K Pre-market · 07:15 ET 8-K ↗ 33 · 8-K After-hours · 16:30 ET 8-K ↗
7.6800 7.8000 7.2000 7.3200 57,767
Weekend
Weekend
7.8600 7.9980 7.3200 7.6800 88,467
7.1400 7.9800 6.9000 7.9200 217,350
7.0800 8.4000 6.9000 7.2600 150,867
8.3400 8.4600 6.6060 7.0800 147,733
32 · S-1 After market open · 10:10 ET S-1 ↗
9.3000 9.4800 8.2800 8.7000 109,000
Weekend
Weekend
9.6000 10.2000 9.3000 9.7800 132,283
9.6600 10.4400 9.6000 9.7800 133,617
10.6200 10.7400 9.4200 10.0800 210,350
12.3600 12.3600 10.6140 10.7400 288,433
12.6600 13.5000 11.8200 12.4200 580,750
31 · 8-K Pre-market · 07:30 ET 8-K ↗
Weekend
Weekend
12.8700 13.0200 11.8800 11.8800 423,483
12.6000 14.1000 11.7000 12.5400 574,900
15.8400 16.0200 11.1600 11.6400 569,783
30 · 8-K Pre-market · 08:00 ET 8-K ↗
16.3200 17.8200 14.8800 15.7200 504,333
No trading
Weekend
Weekend
19.2600 20.8800 16.2000 17.3400 3,368,383
29 · 8-K After-hours · 16:59 ET 8-K ↗
13.0200 17.5200 9.6000 15.4800 3,539,733
6.2400 23.9400 6.1800 14.5800 32,625,083
7.4400 7.7820 6.0000 6.3600 1,509,017
6.9000 9.6000 5.6880 8.0400 6,209,050
Weekend
Weekend
6.6600 8.5200 5.9460 7.3200 65,820,567
28 · 10-Q After-hours · 16:31 ET 10-Q ↗ 27 · 8-K After-hours · 16:31 ET 8-K ↗
2.1240 2.1660 2.0220 2.0220 5,858,350
2.0700 2.1660 2.0100 2.0940 41,367
1.8060 2.1720 1.8060 2.0400 48,883
1.9560 1.9560 1.8000 1.8480 23,900
Weekend
Weekend
1.9260 2.0220 1.8180 1.9740 45,317
2.1540 2.1600 1.8900 1.9200 76,717
2.4000 2.4300 1.8900 2.1060 105,583
2.4660 2.4720 2.4000 2.4540 42,933
2.6400 2.6760 2.4240 2.4600 81,317
Weekend
Weekend
2.6100 3.0300 2.5200 2.7120 75,983
26 · 8-K After-hours · 16:30 ET 8-K ↗
2.3460 2.8560 2.3460 2.8260 240,000
25 · 8-K Next filing day · accepted 29 Apr, 21:24 ET 8-K ↗
2.3400 2.5020 2.3400 2.4480 87,550
24 · DEF 14A After market open · 11:24 ET DEF 14A ↗
2.3100 2.5380 2.2800 2.4000 228,300
2.3160 2.8740 2.0100 2.6340 5,332,083
Weekend
Weekend
23 · S-1/A After-hours · 17:30 ET S-1/A ↗
2.2680 2.3700 2.1600 2.2560 75,383
22 · S-1 After-hours · 17:12 ET S-1 ↗
2.3460 2.4960 2.3460 2.4540 50,517
2.3400 2.4000 2.2500 2.3940 36,733
2.4000 2.5200 2.2440 2.2860 51,100
2.6400 2.6820 2.4480 2.4660 88,400
Weekend
Weekend
21 · PRE 14A After-hours · 17:23 ET PRE 14A ↗
2.4600 2.6220 2.3400 2.6220 60,717
20 · 8-K After-hours · 16:30 ET 8-K ↗
2.3220 2.5200 2.3220 2.5140 107,300
2.1000 2.4420 2.1000 2.4420 176,450
2.1000 2.2200 2.0760 2.0760 27,733
2.1720 2.2200 2.0100 2.1120 81,783
Weekend
Weekend
2.0460 2.2200 1.8120 2.1900 137,817
1.9800 2.1180 1.9800 2.0220 55,683
1.7400 2.0940 1.7400 1.9680 156,683
1.7700 1.7940 1.5660 1.6380 63,550
1.6740 1.7280 1.6200 1.7220 63,583
Weekend
Weekend
No trading
1.5540 1.7580 1.5000 1.6080 129,250
1.9800 2.0400 1.6320 1.8000 143,000
19 · 8-K After-hours · 17:12 ET 8-K ↗ 18 · 10-K After-hours · 17:12 ET 10-K ↗
2.1240 2.2440 2.0400 2.1600 70,717
2.3460 2.4000 2.1120 2.1660 79,367
Weekend
Weekend
2.2320 2.5800 2.1600 2.3940 145,167
2.2560 2.5020 2.1540 2.2380 110,933
2.4000 2.4360 2.1720 2.3400 105,983
3.0000 3.0540 2.3100 2.5500 221,550
4.1340 4.3200 2.7840 3.1080 456,583
Weekend
Weekend
4.3560 4.7340 4.2000 4.4340 193,600
4.7640 5.1600 4.2900 4.5180 322,850
5.2560 6.2400 4.8240 5.5440 1,684,533
4.9140 5.6640 4.2120 5.2560 3,135,767
17 · 8-K Pre-market · 08:00 ET 8-K ↗
4.4880 7.0200 4.0680 5.6100 76,830,467
Weekend
Weekend
16 · DEF 14A After-hours · 16:15 ET DEF 14A ↗
3.3000 3.3000 3.0000 3.0960 6,483
3.4800 3.6000 2.8320 3.3540 18,700
3.4860 3.5340 3.1500 3.1500 18,100
3.6060 3.8280 3.3600 3.3720 14,567
3.7200 3.7800 3.3060 3.5580 3,567
Weekend
Weekend
4.0080 4.4400 3.7200 3.7200 15,417
3.9420 3.9600 3.4800 3.7800 5,550
3.9420 4.0980 3.4860 3.9420 16,967
15 · PRE 14A After-hours · 16:15 ET PRE 14A ↗
3.3000 4.6800 3.2820 3.9600 74,450
3.1860 3.3000 2.9160 3.3000 9,967
14 · 8-K Pre-market · 08:08 ET 8-K ↗
Weekend
Weekend
3.2340 3.4560 3.1200 3.2460 4,800
3.1020 3.5880 3.0000 3.3000 150,183
3.5040 3.5400 3.1500 3.1560 4,033
3.6540 3.6600 3.2400 3.4080 11,500
3.6780 3.7800 3.3660 3.5340 15,317
Weekend
Weekend
3.7500 3.7500 3.1800 3.4740 28,483
13 · 8-K After-hours · 16:43 ET 8-K ↗ 12 · 424B4 After market open · 15:46 ET 424B4 ↗
3.6000 4.0200 3.3060 3.6180 22,300
3.7800 3.8400 3.1680 3.5520 14,067
4.1220 4.1220 3.6060 3.6060 16,983
11 · S-1/A Pre-market · 09:09 ET S-1/A ↗
No trading
Weekend
Weekend
10 · S-1/A After-hours · 16:04 ET S-1/A ↗
5.1600 5.1600 3.9000 3.9000 103,817
9 · 8-K Pre-market · 08:38 ET 8-K ↗
5.7600 5.8080 4.9500 4.9500 17,900
8 · S-1 After-hours · 17:27 ET S-1 ↗
6.1800 6.3000 5.8800 5.9400 14,167
6.3000 6.6000 6.0000 6.0600 7,217
6.5100 6.6600 6.2400 6.3000 6,117
Weekend
Weekend
5.9400 6.3600 5.7600 6.2400 7,133
6.3000 6.3600 5.9400 5.9400 20,583
6.6000 6.6000 6.1200 6.3000 9,117
6.6600 6.9000 6.3600 6.6600 8,800
6.7200 7.1400 6.6600 6.9600 10,983
Weekend
Weekend
6.9600 7.1400 6.6600 6.6600 13,400
7.4580 7.6020 6.7200 6.8400 11,550
7.5600 7.9080 7.2600 7.3200 6,750
7.6800 7.9200 7.3800 7.6500 6,750
8.1000 8.1600 7.1400 7.4400 22,650
Weekend
Weekend
8.4600 8.7540 7.7400 8.1000 15,467
7.7700 9.9000 7.7700 8.3400 18,783
8.1660 8.3400 7.5000 7.9800 9,867
8.1000 8.6400 7.8000 8.1000 12,383
No trading
Weekend
Weekend
7.0260 8.3400 7.0260 8.2800 38,767
7.1400 7.3800 6.7200 6.8400 3,767
7.1400 7.2600 6.6000 6.9000 3,317
7.0800 7.4700 6.7980 7.2000 5,117
7.5600 7.5600 7.0800 7.3200 6,717
Weekend
Weekend
7 · S-1 After-hours · 16:49 ET S-1 ↗
7.6800 7.6800 7.1400 7.3200 6,967
7.6740 7.6800 7.2900 7.3200 5,233
7.5000 8.1000 7.3200 7.5000 7,800
6.9000 7.7400 6.9000 7.2000 12,583
6.7200 7.4400 6.5400 6.6600 12,617
Weekend
Weekend
6.0000 6.8700 5.8800 6.7200 7,883
No trading
6 · 8-K After market open · 12:36 ET 8-K ↗
7.0200 7.0200 5.7180 5.8260 45,717
7.3800 7.5900 6.6600 6.8040 30,200
8.1000 8.4600 7.5000 7.5000 7,433
Weekend
Weekend
8.7000 9.0000 8.0400 8.5200 6,300
No trading
8.8200 9.2400 8.5200 8.9100 8,950
10.1400 10.1400 9.0900 9.3420 2,433
9.9600 10.1220 9.3600 9.3600 3,250
Weekend
Weekend
9.7200 9.9000 9.1800 9.4200 4,967
10.7400 10.7400 9.3000 9.7800 3,733
10.8600 10.9920 10.3020 10.4100 2,850
10.8000 11.1000 10.5000 10.6800 4,467
10.9800 11.4600 10.6200 11.1960 10,083
Weekend
Weekend
11.7600 11.8800 9.1200 10.8600 35,283
12.0000 12.2400 11.6100 11.8200 7,633
11.4600 12.9120 11.3400 12.0000 7,417
11.8200 11.8800 11.4000 11.5200 4,000
11.7600 12.2400 11.1000 11.8200 11,733
Weekend
Weekend
12.3060 12.6600 11.7000 11.8800 2,617
12.0600 12.8400 12.0600 12.2400 4,000
11.7600 12.3600 11.7600 12.3600 4,883
11.8800 12.1800 11.8260 11.9400 1,917
13.0200 13.0200 11.7600 11.8200 3,350
Weekend
Weekend
13.1400 13.2900 11.7600 12.7200 8,333
No trading
11.5800 11.9400 11.4600 11.7000 3,750
13.0800 13.2600 11.4600 11.5200 34,533
12.9600 13.7400 12.6600 13.0200 5,817
Weekend
Weekend
11.9520 14.1000 11.9520 13.0200 7,833
5 · 8-K After-hours · 16:30 ET 8-K ↗
12.3000 12.4200 11.0400 11.5380 13,017
15.0000 15.0600 11.8800 12.0000 20,833
4 · 8-K Next filing day · accepted 18 Nov, 20:25 ET 8-K ↗
17.8200 17.8200 13.9800 14.4600 26,017
3 · 8-K Pre-market · 07:30 ET 8-K ↗
18.1200 18.6600 15.6600 18.3600 12,200
Weekend
Weekend
2 · 10-Q After-hours · 16:52 ET 10-Q ↗ 1 · 8-K After-hours · 16:50 ET 8-K ↗
14.7600 22.6800 13.8000 18.0000 289,750
15.5400 15.5760 14.0400 14.9400 7,067
16.8000 17.4000 15.4800 15.6000 10,717
18.4200 18.4200 16.5000 16.9800 4,517
18.7200 19.4400 18.3000 18.3600 1,833
Weekend
Weekend
20.0400 21.5580 17.2200 18.1200 7,283
20.1000 20.4000 19.5300 19.9200 2,150
20.4000 20.4000 18.8400 19.8600 3,700
21.6000 22.8120 19.3800 20.4000 10,917
22.9200 22.9200 21.4800 21.6000 2,450
Weekend
Weekend
23.4000 23.5200 23.2200 23.2200 1,617
23.1000 23.4900 23.1000 23.4600 3,433
23.4600 23.4600 23.1000 23.1000 4,417
23.1000 23.5200 23.1000 23.3400 6,933
23.4600 23.5080 23.1000 23.1000 10,500
Weekend
Weekend
23.4000 23.7600 23.4000 23.5200 2,500

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.