C4 Therapeutics, Inc CCCC

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C4 Therapeutics, Inc. - Common Stock · Company · Nasdaq

Paper trade (simulated — no real money)

Fill: USD 3.4000 · FX 1 USD = 1.291020 SGD · about SGD 4.3895 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 2.18 → 3.40 · 56.0%
4.6703.1901.710 1,2 3 4 5,6,7 8,9 10 11 12 13,14 15 16 17,18 19,20 21 22 23 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
3.6700 3.6750 3.3900 3.4000 2,584,000
3.6600 3.7400 3.6000 3.6500 1,782,500
3.8000 3.9500 3.6400 3.7400 2,192,500
3.5800 3.9050 3.5800 3.8300 3,196,400
3.6900 3.7300 3.4750 3.5800 3,135,200
Weekend
Weekend
3.4800 3.7700 3.4400 3.6900 2,457,900
3.7500 3.7500 3.5100 3.5800 3,865,600
3.8300 3.8350 3.7000 3.8000 4,016,200
3.9600 3.9700 3.7750 3.8100 3,046,500
4.0500 4.0500 3.8300 3.9200 3,013,400
Weekend
Weekend
4.2950 4.2950 3.9100 4.0600 2,583,000
4.1900 4.4000 4.1300 4.2900 2,536,300
4.2700 4.3700 3.7250 4.1900 6,712,600
4.1500 4.4250 3.9650 4.3500 4,373,800
4.2900 4.4000 4.1050 4.1400 1,904,400
Weekend
Weekend
No trading
4.3700 4.4300 4.1500 4.3000 2,566,000
4.5900 4.7300 4.1250 4.3400 5,353,000
4.3500 5.1700 4.3100 4.6700 6,615,900
4.2500 4.5000 4.2500 4.3500 3,120,800
Weekend
Weekend
4.4500 4.5750 4.1400 4.2600 20,144,400
4.2700 4.4500 4.2100 4.4000 2,594,300
23 · 8-K After-hours · 16:22 ET 8-K ↗
4.2300 4.3800 4.1610 4.2500 2,735,800
4.0200 4.4800 3.9900 4.2200 2,912,400
4.1700 4.4100 4.1000 4.1200 2,995,800
Weekend
Weekend
No trading
3.9500 4.1800 3.8550 4.1500 3,427,000
3.8800 4.1750 3.8400 3.9200 2,094,700
3.8300 3.9300 3.6050 3.8400 1,542,800
3.9800 4.0500 3.8200 3.8200 1,558,200
Weekend
Weekend
3.8800 4.2450 3.8400 3.9000 2,849,700
3.8450 3.9800 3.7300 3.8700 2,227,600
22 · 8-K Pre-market · 07:04 ET 8-K ↗
3.5700 3.8850 3.5300 3.8700 2,277,200
3.6200 3.8700 3.4400 3.5800 1,649,200
3.9900 3.9900 3.5400 3.5900 1,951,000
Weekend
Weekend
4.1500 4.1600 3.7850 3.8500 2,127,000
3.9700 4.4450 3.9700 4.1700 1,548,800
4.3000 4.3050 3.9000 3.9600 1,992,300
4.2700 4.5800 4.1300 4.3400 4,006,600
4.3600 4.5980 4.3000 4.3800 3,774,600
Weekend
Weekend
3.6600 4.5750 3.6600 4.3700 5,887,400
3.7700 3.8150 3.6250 3.6600 1,105,700
3.5200 3.9650 3.5200 3.7400 2,632,800
3.5900 3.6500 3.4750 3.4900 1,676,600
No trading
Weekend
Weekend
3.5700 3.6900 3.5400 3.5600 1,707,700
3.2250 3.5550 3.1900 3.5200 2,128,700
3.1600 3.3850 3.1350 3.2800 1,552,900
3.1600 3.2200 3.0500 3.1100 1,898,900
3.5300 3.5800 3.1200 3.2200 2,251,600
Weekend
Weekend
21 · 8-K After-hours · 16:03 ET 8-K ↗
3.5700 3.7000 3.2800 3.5600 2,282,400
3.6900 3.7850 3.4750 3.6300 2,822,800
3.1900 3.9500 3.1350 3.6800 14,563,900
3.0800 3.1950 3.0350 3.1700 2,314,600
20 · 10-Q Pre-market · 07:07 ET 10-Q ↗ 19 · 8-K Pre-market · 07:05 ET 8-K ↗
2.9500 3.2000 2.9500 3.1700 2,989,200
Weekend
Weekend
2.9800 3.0750 2.9220 2.9500 1,345,600
2.9100 3.1000 2.7950 2.9800 2,798,600
3.0000 3.0100 2.8950 2.9300 1,315,700
3.0400 3.0700 2.8850 2.9700 1,194,500
2.8900 3.2000 2.8250 3.0350 4,194,300
Weekend
Weekend
2.8300 3.0850 2.7500 2.9200 4,847,900
2.5900 2.9000 2.5700 2.8300 2,319,300
2.7400 2.7720 2.5200 2.5600 1,853,600
18 · DEFA14A Pre-market · 07:02 ET DEFA14A ↗ 17 · DEF 14A Pre-market · 07:00 ET DEF 14A ↗
2.8300 2.9500 2.7250 2.7500 1,717,300
2.8800 3.0050 2.8150 2.8300 1,200,000
Weekend
Weekend
2.9650 3.0100 2.7700 2.8800 2,142,800
3.0400 3.0800 2.9300 2.9700 2,285,900
3.1500 3.2000 2.9900 3.0700 1,598,000
2.9800 3.1500 2.8900 3.1200 3,325,500
2.9000 3.0750 2.8600 2.9900 2,573,900
Weekend
Weekend
2.9700 3.0200 2.8700 2.9200 1,139,400
2.8500 2.9400 2.8000 2.9000 1,338,500
2.7800 2.9400 2.7550 2.8900 1,854,400
2.7700 2.9590 2.7050 2.7600 3,934,400
2.5200 3.0200 2.5000 2.7600 5,236,400
Weekend
Weekend
2.8400 2.8700 2.5000 2.5350 3,945,100
16 · 8-K Pre-market · 07:17 ET 8-K ↗
2.8300 3.0100 2.6700 2.8300 19,702,000
15 · 8-K Pre-market · 07:07 ET 8-K ↗
2.8600 2.9600 2.8250 2.9000 1,642,600
2.8400 2.8600 2.7100 2.7400 1,201,000
2.8200 3.0200 2.8200 2.8400 1,486,000
Weekend
Weekend
No trading
2.6300 2.8400 2.6000 2.8200 2,127,300
2.6900 2.8500 2.6600 2.7000 2,423,500
2.4100 2.6600 2.4100 2.6300 2,060,900
2.4200 2.4600 2.3000 2.3500 720,800
Weekend
Weekend
2.5700 2.6000 2.3900 2.4100 1,632,700
2.6100 2.7990 2.6050 2.6200 1,638,800
2.6300 2.7700 2.5700 2.6900 1,351,700
2.5500 2.6250 2.4900 2.5000 1,632,400
2.7600 2.8100 2.5500 2.5600 2,696,300
Weekend
Weekend
2.5800 2.8500 2.5800 2.7000 3,310,800
2.6200 2.7300 2.5300 2.6100 2,023,800
2.7500 2.7700 2.6350 2.6900 2,514,600
2.7300 2.8200 2.7000 2.7600 1,949,200
2.7700 2.8750 2.6840 2.7300 1,641,200
Weekend
Weekend
2.7800 2.9400 2.7100 2.7200 1,855,100
2.9300 2.9350 2.7500 2.7500 1,719,500
3.1300 3.1300 2.8200 2.9900 3,639,100
3.5900 3.6400 3.1100 3.1200 3,437,200
2.9650 3.8200 2.9650 3.5900 6,580,800
Weekend
Weekend
2.9500 3.1200 2.8510 3.0400 1,845,200
3.1000 3.1000 2.8700 3.0300 2,495,900
2.9500 3.1950 2.9100 3.0900 3,215,400
3.0600 3.1200 2.7500 2.9500 4,895,700
2.6100 3.2200 2.5700 3.1700 6,806,300
Weekend
Weekend
2.7800 2.9700 2.6700 2.7000 3,465,900
2.9300 3.0000 2.6100 2.7800 4,396,800
14 · 10-K Pre-market · 07:49 ET 10-K ↗ 13 · 8-K Pre-market · 07:09 ET 8-K ↗
2.4100 2.8650 2.4100 2.7700 6,531,700
2.3300 2.7700 2.3300 2.3900 6,084,300
2.1500 2.3300 2.1200 2.3000 1,610,400
Weekend
Weekend
2.1000 2.2200 2.0750 2.1600 1,145,400
1.9300 2.1200 1.8750 2.1200 1,278,000
1.8300 1.9750 1.8100 1.9100 1,048,200
1.8400 1.8700 1.7900 1.8300 1,476,700
No trading
Weekend
Weekend
1.8500 1.9700 1.8500 1.8900 697,900
1.8000 1.8700 1.7800 1.8300 623,700
1.8500 1.8820 1.7350 1.8300 1,101,400
1.7900 1.9000 1.7800 1.8400 700,400
1.8200 1.8200 1.7500 1.7800 575,000
Weekend
Weekend
1.7700 1.8690 1.7250 1.8200 829,200
1.8800 1.9100 1.6900 1.7100 853,000
2.0100 2.0100 1.8050 1.8900 1,120,600
1.8800 2.0350 1.8800 2.0100 1,389,100
1.9000 1.9300 1.8500 1.8800 858,200
Weekend
Weekend
1.9500 1.9600 1.8300 1.9000 1,670,000
2.0400 2.0400 1.9350 1.9600 1,016,700
2.1400 2.1400 2.0000 2.0300 1,010,200
2.0900 2.1460 2.0810 2.1400 532,600
2.1700 2.1700 2.0700 2.0700 668,500
Weekend
Weekend
2.1700 2.1870 2.1300 2.1500 770,100
2.1400 2.2300 2.1300 2.1800 780,100
2.1700 2.1900 2.0600 2.1200 1,138,900
2.1800 2.2000 2.0900 2.1800 10,035,100
No trading
Weekend
Weekend
2.2200 2.2900 2.1650 2.2300 1,266,000
2.3400 2.3400 2.1900 2.2200 738,500
2.3000 2.4700 2.2700 2.3300 1,034,400
12 · 8-K Pre-market · 07:12 ET 8-K ↗
2.1400 2.3450 2.1300 2.3100 1,720,300
2.1600 2.1600 2.0200 2.1300 1,824,900
Weekend
Weekend
2.2000 2.2500 2.1350 2.1400 1,086,000
2.2400 2.2700 2.1200 2.1900 1,078,100
2.0500 2.3300 2.0500 2.2200 2,125,500
2.0500 2.0800 2.0150 2.0300 855,400
2.0000 2.1850 1.9850 2.0300 1,423,100
Weekend
Weekend
1.9500 1.9690 1.8700 1.9300 974,100
No trading
1.9600 1.9600 1.9000 1.9100 920,000
2.0300 2.0300 1.9250 1.9600 1,050,700
2.1100 2.1350 2.0200 2.0300 891,800
Weekend
Weekend
2.0800 2.1350 2.0500 2.1200 1,136,200
No trading
2.0000 2.1000 2.0000 2.0800 414,400
2.0600 2.0700 1.9300 2.0200 1,888,300
2.0700 2.1300 2.0150 2.0900 1,001,800
Weekend
Weekend
2.0100 2.1000 2.0050 2.0300 2,256,500
2.0900 2.1400 1.9950 2.0100 10,574,300
2.3000 2.3000 2.0400 2.0500 1,761,900
2.4050 2.4400 2.2600 2.2600 1,092,500
2.4900 2.5200 2.4000 2.4300 1,056,200
Weekend
Weekend
2.5500 2.5700 2.4600 2.4700 1,287,300
2.5800 2.6900 2.5300 2.5400 923,000
11 · 424B5 After-hours · 17:30 ET 424B5 ↗
2.6100 2.6100 2.5000 2.5800 1,017,600
2.5400 2.6300 2.5200 2.5900 981,100
2.7300 2.7600 2.4900 2.5400 1,648,800
Weekend
Weekend
2.6000 2.7600 2.5700 2.6700 2,036,800
2.7100 2.7500 2.5700 2.5900 3,014,400
2.4500 2.8400 2.4100 2.8100 4,013,600
2.6100 2.6500 2.4300 2.4300 939,100
2.6400 2.6500 2.5050 2.5400 1,272,900
Weekend
Weekend
2.7200 2.7500 2.6100 2.7100 715,700
No trading
2.4700 2.7100 2.4500 2.6800 1,774,900
2.4700 2.4950 2.4200 2.4800 873,100
2.4000 2.4900 2.4000 2.4600 894,600
Weekend
Weekend
10 · S-3 After-hours · 16:03 ET S-3 ↗
2.4000 2.4590 2.2900 2.4400 1,184,300
2.5500 2.6300 2.3600 2.3800 1,763,300
2.4800 2.5400 2.4400 2.5000 1,105,900
2.4000 2.5250 2.3900 2.4800 923,300
2.4700 2.5500 2.4000 2.5000 1,287,600
Weekend
Weekend
2.4000 2.5000 2.3700 2.4700 794,100
2.4500 2.5200 2.3900 2.4500 1,534,900
2.4400 2.5700 2.4400 2.4800 5,977,200
2.3400 2.4850 2.3200 2.4800 685,700
2.3500 2.4200 2.2900 2.3400 698,600
Weekend
Weekend
2.3500 2.4200 2.1700 2.3400 1,190,800
2.3500 2.4550 2.3200 2.3800 945,700
9 · 10-Q Pre-market · 07:12 ET 10-Q ↗ 8 · 8-K Pre-market · 07:06 ET 8-K ↗
2.2500 2.3800 2.2400 2.3700 1,586,100
2.4300 2.4400 2.2500 2.2600 1,292,100
2.6400 2.6500 2.3700 2.4800 1,942,600
Weekend
Weekend
2.4500 2.6200 2.3800 2.6100 1,596,100
2.4800 2.6050 2.4500 2.4600 930,900
2.5800 2.5990 2.4500 2.5100 1,333,600
2.6500 2.6740 2.5600 2.5800 819,100
2.5700 2.7900 2.5100 2.6500 1,936,200
Weekend
Weekend
2.3400 2.5200 2.3210 2.4500 1,814,500
2.3100 2.4200 2.2600 2.3800 1,995,900
2.4450 2.4500 2.2100 2.2800 1,510,100
2.5600 2.6900 2.4100 2.4600 3,176,800
2.4500 2.5600 2.3050 2.5400 2,320,200
Weekend
Weekend
2.4600 2.5200 2.3150 2.3700 2,489,600
6 · 8-K After-hours · 17:29 ET 8-K ↗ 5 · 424B5 After-hours · 17:28 ET 424B5 ↗
2.1200 2.8200 2.1200 2.4800 10,778,700
7 · 8-K Pre-market · 06:30 ET 8-K ↗
2.0100 2.2200 2.0100 2.2200 1,371,600
2.1000 2.1000 1.9900 2.0200 1,519,400
2.2500 2.2700 2.0400 2.1100 2,127,500
Weekend
Weekend
2.4600 2.5000 2.2300 2.2500 2,385,700
2.2300 2.4900 2.2200 2.4100 2,434,800
2.2600 2.2900 2.1700 2.2300 1,709,500
2.2500 2.3090 2.1600 2.2600 2,031,200
2.2700 2.3800 2.2450 2.2800 1,640,200
Weekend
Weekend
2.2400 2.3300 2.2150 2.2700 1,642,700
2.2000 2.2700 2.1750 2.2100 2,021,300
2.2250 2.3300 2.0900 2.1500 11,036,200
4 · 8-K Pre-market · 07:06 ET 8-K ↗
2.2000 2.2490 2.1600 2.2200 898,200
2.2500 2.3050 2.1750 2.2300 1,168,700
Weekend
Weekend
2.2200 2.2650 2.1300 2.2300 1,757,400
2.4200 2.4200 2.1700 2.1900 2,913,900
2.5800 2.6250 2.4150 2.4200 1,777,800
2.8000 2.8300 2.5600 2.5900 3,267,800
3.3000 3.4300 2.5750 2.6100 4,005,100
3 · 8-K Pre-market · 06:41 ET 8-K ↗
Weekend
Weekend
3.3700 3.3750 3.1300 3.1600 884,300
3.4100 3.5800 3.2650 3.3200 1,267,500
3.4100 3.4700 3.2100 3.3800 1,338,200
3.6050 3.6400 3.3090 3.4100 1,797,600
2.8100 3.6500 2.7800 3.5700 8,094,200
Weekend
Weekend
2.7400 2.7400 2.6450 2.6600 484,800
2.6200 2.7500 2.6200 2.7300 850,100
2.6800 2.6900 2.5840 2.6400 599,800
2.7000 2.7350 2.5950 2.6800 745,600
2.7500 2.7500 2.5700 2.7100 1,218,400
Weekend
Weekend
2.7110 2.8500 2.6400 2.7200 1,414,700
2.6500 2.6950 2.5800 2.6700 1,311,300
2.5000 2.7200 2.4990 2.5600 1,126,900
2.5700 2.6900 2.4500 2.5100 697,600
No trading
Weekend
Weekend
2.5300 2.6100 2.3300 2.6000 1,328,600
2.6000 2.7000 2.5300 2.5500 838,200
2.5600 2.6100 2.5250 2.5800 403,300
2.5300 2.6150 2.4500 2.5700 757,100
2.6000 2.6700 2.5010 2.5300 546,400
Weekend
Weekend
2.6200 2.7550 2.6000 2.6100 936,600
2.6100 2.6750 2.5300 2.6100 613,300
2.7600 2.7900 2.4700 2.6000 1,309,200
2.8100 2.8650 2.7010 2.7600 1,262,400
2.4600 3.0650 2.4600 2.8600 3,550,600
Weekend
Weekend
2.3500 2.5200 2.3500 2.4600 1,156,300
2.3400 2.4250 2.2900 2.3500 1,000,000
2.2700 2.4780 2.2450 2.3300 1,350,700
2.4600 2.4900 2.2000 2.2400 906,800
2.5700 2.5810 2.2000 2.4200 1,771,700
Weekend
Weekend
2.6700 2.9400 2.4400 2.5000 3,322,100
2.0000 2.7700 2.0000 2.5800 9,159,300
2 · 10-Q Pre-market · 07:11 ET 10-Q ↗ 1 · 8-K Pre-market · 07:04 ET 8-K ↗
2.0100 2.0700 1.9500 1.9600 771,900
2.0900 2.1300 2.0000 2.0100 846,300
2.1200 2.1550 2.0400 2.1000 1,243,600
Weekend
Weekend
2.0300 2.1900 1.9900 2.1200 750,600
2.1700 2.2000 2.0300 2.0500 499,500
2.2300 2.3450 2.1300 2.1600 936,700
2.2200 2.2700 2.0700 2.2500 760,900
2.2500 2.2650 2.1800 2.1800 471,500
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.