Moleculin Biotech, Inc MBRX

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Moleculin Biotech, Inc. - Common Stock · Company · Nasdaq · Healthcare / Biotechnology

Paper trade (simulated — no real money)

Fill: USD 6.5000 · FX 1 USD = 1.277900 SGD · about SGD 8.3063 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 12.15 → 6.50 · -46.5%
13.0006.6400.280 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 63 64 65 66 67 68 69 70 71 72 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
6.0500 6.5900 5.6483 6.5000 26,891
6.1300 6.1640 5.4600 5.8900 59,100
6.0000 6.5800 6.0000 6.3100 41,800
72 · 8-K After market open · 11:00 ET FORM 8-K ↗
5.7400 6.4030 5.2400 6.1900 131,500
5.6000 5.6000 4.4200 5.3000 53,130
Weekend
Weekend
71 · 8-K After market open · 13:29 ET FORM 8-K ↗
0.3100 0.3300 0.2800 0.2800 1,182,100
8.4000 8.5200 7.4000 7.4000 16,495
0.4400 0.4400 0.4100 0.4110 274,700
0.4240 0.4360 0.4100 0.4350 181,600
0.4500 0.4530 0.4100 0.4140 173,500
Weekend
Weekend
70 · 8-K After-hours · 21:15 ET FORM 8-K ↗
0.4200 0.4560 0.4130 0.4420 341,000
0.4370 0.4420 0.4110 0.4240 264,900
9.1580 9.1640 8.6200 8.7780 21,671
0.4880 0.4900 0.4400 0.4460 706,400
69 · 8-K After market open · 12:30 ET FORM 8-K ↗
0.4900 0.4900 0.4620 0.4770 468,100
Weekend
Weekend
0.5100 0.5150 0.4720 0.4870 421,800
0.5050 0.5190 0.5000 0.5040 335,100
0.5410 0.5500 0.4920 0.5000 718,700
68 · 8-K After market open · 12:45 ET FORM 8-K ↗
0.5730 0.5800 0.5200 0.5260 1,664,900
67 · 8-K After market open · 11:00 ET FORM 8-K ↗
0.6000 0.6000 0.5400 0.5690 620,500
Weekend
Weekend
66 · 8-K After-hours · 17:05 ET FORM 8-K ↗
0.5510 0.6690 0.5300 0.6020 2,607,800
0.5200 0.5700 0.5100 0.5670 530,400
65 · 8-K After market open · 12:25 ET FORM 8-K ↗
0.5800 0.6260 0.5050 0.5280 1,823,800
0.5400 0.6800 0.5000 0.5650 5,874,100
0.7220 0.7330 0.5000 0.5200 4,124,000
Weekend
Weekend
64 · 8-K After-hours · 17:00 ET FORM 8-K ↗
0.7800 0.7990 0.7500 0.7730 466,300
0.7600 0.7960 0.7400 0.7800 304,700
0.7600 0.7820 0.7300 0.7400 265,100
0.8100 0.8180 0.7510 0.7520 473,900
63 · 8-K After-hours · 16:00 ET FORM 8-K ↗
0.7500 0.8200 0.7500 0.7750 717,500
Weekend
Weekend
0.8500 0.8990 0.7100 0.7150 1,928,700
0.7880 0.8300 0.7740 0.8300 532,400
0.7710 0.8020 0.7510 0.7650 380,400
0.7350 0.8000 0.7240 0.7500 734,700
No trading
Weekend
Weekend
0.6900 0.7380 0.6800 0.7100 768,400
0.7000 0.7300 0.6510 0.6760 432,700
0.6550 0.7000 0.6380 0.6940 348,400
0.6400 0.6550 0.6200 0.6500 262,400
62 · 8-K After-hours · 17:15 ET FORM 8-K ↗
0.6400 0.6720 0.6200 0.6450 291,000
Weekend
Weekend
0.6900 0.7090 0.6400 0.6500 614,300
0.6200 0.7120 0.6090 0.6890 1,484,700
0.6340 0.6550 0.5900 0.6000 461,900
0.6000 0.6690 0.5980 0.6110 899,600
61 · DEFA14A After-hours · 17:10 ET FORM DEFA14A ↗ 60 · DEF 14A After-hours · 17:00 ET FORM DEF 14A ↗
0.6100 0.6200 0.5650 0.6090 415,900
Weekend
Weekend
59 · 424B5 After-hours · 17:16 ET FORM 424B5 ↗
0.5870 0.6300 0.5600 0.5930 292,100
0.5800 0.6360 0.5500 0.5910 1,069,400
0.6060 0.6100 0.5700 0.5720 663,100
0.6000 0.6600 0.5900 0.6100 658,000
0.6380 0.6650 0.5600 0.6070 874,200
Weekend
Weekend
58 · PRE 14A After-hours · 17:05 ET FORM PRE 14A ↗
0.6000 0.6400 0.5800 0.6120 1,544,800
57 · 8-K Pre-market · 08:30 ET FORM 8-K ↗ 56 · 10-Q After-hours · 16:17 ET FORM 10-Q ↗
0.5350 0.5840 0.5250 0.5710 1,332,500
0.4500 0.5340 0.4300 0.5220 1,273,200
0.4300 0.4600 0.4100 0.4450 994,700
0.4200 0.4600 0.4020 0.4300 1,562,200
Weekend
Weekend
0.3860 0.4150 0.3810 0.4100 1,001,400
0.4000 0.4180 0.3450 0.3850 2,161,100
0.4100 0.4390 0.3800 0.3900 1,576,900
0.4390 0.4390 0.3800 0.4090 2,279,700
55 · 8-K After-hours · 17:11 ET FORM 8-K ↗ 54 · 424B5 After market open · 09:47 ET FORM 424B5 ↗
0.3700 0.4500 0.1610 0.4250 8,762,400
Weekend
Weekend
0.8800 1.0690 0.3120 0.4000 19,311,400
53 · 8-K Pre-market · 08:00 ET FORM 8-K ↗ 52 · S-1/A Next filing day · accepted 30 Jul, 19:58 ET FORM S-1/A ↗ 51 · S-1/A After-hours · 17:05 ET FORM S-1/A ↗
1.3400 1.3400 1.0100 1.0200 1,586,500
50 · S-1 After market open · 09:40 ET FORM S-1 ↗
2.1300 2.1600 1.3300 1.3600 1,709,100
2.1500 2.2100 2.1400 2.1900 105,600
2.1400 2.2600 2.0900 2.1900 110,300
Weekend
Weekend
2.1200 2.1300 2.0700 2.1200 44,400
2.0800 2.1200 2.0400 2.0800 36,100
2.1900 2.2080 2.0500 2.1000 75,100
2.1800 2.2100 2.1000 2.1500 28,400
2.1000 2.1600 2.0600 2.1400 73,700
Weekend
Weekend
2.1500 2.1800 2.0500 2.1000 152,800
2.2900 2.3150 2.1640 2.1700 102,400
2.2200 2.3400 2.2200 2.3100 115,600
2.2300 2.3050 2.2200 2.2600 125,900
2.2500 2.2900 2.1800 2.2100 117,500
Weekend
Weekend
2.4300 2.4300 2.2500 2.2800 139,200
2.3300 2.4850 2.3300 2.4400 120,000
2.2600 2.3700 2.1900 2.3700 216,000
2.3700 2.4000 2.2600 2.3200 242,500
2.5900 2.6500 2.3750 2.4000 406,500
Weekend
Weekend
No trading
2.5700 2.7800 2.5560 2.6400 360,100
2.5900 2.7500 2.5300 2.6900 680,500
2.9900 3.0500 2.3500 2.7900 2,739,300
49 · 8-K Pre-market · 08:30 ET FORM 8-K ↗ 48 · 8-K Pre-market · 08:29 ET FORM 8-K ↗
3.4000 3.6900 3.2020 3.5700 2,016,200
Weekend
Weekend
2.9800 3.5500 2.9700 3.2700 1,296,300
2.8600 3.0900 2.8600 2.9900 600,700
2.6100 2.9400 2.6100 2.9300 917,600
2.6600 2.8500 2.5300 2.7500 11,238,800
3.0100 3.1600 2.9400 3.1200 437,400
Weekend
Weekend
No trading
2.9000 2.9600 2.8100 2.8800 379,200
2.6900 2.9000 2.6720 2.8000 337,100
2.7800 2.7800 2.6650 2.7000 138,000
2.7000 2.7800 2.6500 2.7100 119,200
Weekend
Weekend
2.6900 2.7900 2.6000 2.6400 199,500
2.5500 2.7700 2.5080 2.7000 196,300
2.3600 2.5400 2.3600 2.5000 100,700
2.4400 2.4850 2.3500 2.4100 183,900
2.4300 2.5200 2.3400 2.4700 181,700
Weekend
Weekend
2.5700 2.6020 2.3700 2.4000 225,900
47 · 8-K Pre-market · 08:30 ET FORM 8-K ↗
2.4600 2.6390 2.4000 2.5100 270,400
2.4300 2.5000 2.3600 2.4600 141,600
2.6500 2.6900 2.4000 2.4600 396,600
2.8100 2.9500 2.6100 2.6400 502,400
Weekend
Weekend
2.7300 2.9000 2.6700 2.7900 360,700
46 · 8-K Pre-market · 09:26 ET FORM 8-K ↗
2.6700 2.7900 2.6200 2.7400 217,100
2.4800 2.7900 2.4110 2.7300 488,800
2.4200 2.4900 2.3500 2.4500 299,600
45 · 8-K Pre-market · 08:00 ET FORM 8-K ↗
No trading
Weekend
Weekend
44 · 8-K After-hours · 16:00 ET FORM 8-K ↗
2.4200 2.4900 2.3200 2.3900 250,400
2.3600 2.4400 2.3100 2.3900 157,000
2.3600 2.3700 2.2800 2.3400 99,500
2.1100 2.3900 2.0670 2.3500 272,700
2.1300 2.1300 2.0250 2.0900 225,900
Weekend
Weekend
2.1600 2.1800 2.0140 2.1100 311,800
43 · 8-K Pre-market · 08:30 ET FORM 8-K ↗ 42 · 10-Q After-hours · 16:00 ET FORM 10-Q ↗
2.2400 2.2400 2.1700 2.2000 264,600
2.4500 2.4800 2.0000 2.1400 1,045,600
41 · 8-K Pre-market · 08:00 ET FORM 8-K ↗ 40 · 8-K After market open · 09:30 ET FORM 8-K ↗
2.4800 2.4800 2.3200 2.3400 98,100
2.4000 2.4990 2.4000 2.4400 137,200
Weekend
Weekend
2.5070 2.5500 2.3500 2.4700 646,500
39 · 8-K Pre-market · 08:45 ET FORM 8-K ↗
2.5100 2.5590 2.4500 2.4900 70,400
2.4900 2.5500 2.4800 2.4800 53,600
2.5200 2.5400 2.4650 2.4900 47,900
2.5200 2.5940 2.4250 2.4800 123,500
Weekend
Weekend
2.5600 2.5800 2.4900 2.5100 28,000
2.4600 2.5800 2.4600 2.5600 70,000
2.5600 2.5600 2.4500 2.5100 76,300
2.5600 2.6240 2.5000 2.5600 138,400
2.5500 2.5600 2.4580 2.5400 103,300
Weekend
Weekend
2.5400 2.6390 2.5000 2.5400 100,800
2.4700 2.5790 2.2900 2.5400 548,600
38 · 8-K Pre-market · 08:25 ET FORM 8-K ↗
2.5400 2.5400 2.4200 2.5000 57,900
2.5700 2.6000 2.4700 2.5300 59,900
2.4100 2.5800 2.3400 2.5600 113,100
Weekend
Weekend
2.4400 2.4800 2.3750 2.4200 97,900
2.3700 2.4350 2.3600 2.4000 108,600
37 · 8-K After market open · 11:40 ET FORM 8-K ↗
2.4400 2.4600 2.3700 2.4400 132,800
36 · 10-K/A After-hours · 17:26 ET FORM 10-K/A ↗ 35 · 424B3 After-hours · 16:56 ET FORM 424B3 ↗
2.7200 2.7200 2.4450 2.4900 155,300
2.6200 2.7700 2.5890 2.7200 68,200
Weekend
Weekend
2.5400 2.6480 2.5200 2.6200 55,200
2.4400 2.5800 2.4150 2.5500 111,900
2.4400 2.6100 2.4100 2.4300 83,400
2.3300 2.4400 2.3300 2.4100 68,700
2.3000 2.3500 2.2620 2.3200 41,200
Weekend
Weekend
No trading
2.1800 2.3300 2.1800 2.3200 59,700
2.2600 2.3000 2.2000 2.2300 59,400
2.2700 2.3200 2.2000 2.2900 77,400
2.3800 2.3970 2.2100 2.2400 115,200
Weekend
Weekend
34 · S-3 After-hours · 16:01 ET FORM S-3 ↗
2.4400 2.4400 2.3400 2.4400 83,900
2.4700 2.5200 2.4000 2.4300 109,800
2.3000 2.5000 2.2700 2.4900 199,600
2.1500 2.3000 2.0800 2.2500 158,300
2.1200 2.1500 2.0700 2.1000 70,900
33 · 8-K Pre-market · 08:30 ET FORM 8-K ↗
Weekend
Weekend
2.0600 2.1300 2.0100 2.0600 79,700
2.0800 2.0980 1.9700 2.0600 50,200
32 · 8-K Pre-market · 08:45 ET FORM 8-K ↗ 31 · 8-K Pre-market · 08:35 ET FORM 8-K ↗ 30 · 10-K After-hours · 16:06 ET FORM 10-K ↗
2.1600 2.1600 2.0100 2.0800 87,800
2.0800 2.1800 2.0500 2.1600 122,700
2.0300 2.0980 2.0200 2.0500 100,700
Weekend
Weekend
2.0500 2.1100 1.9770 2.0400 148,400
2.0300 2.0700 1.9400 2.0500 109,200
2.0000 2.0490 1.9600 2.0300 118,500
2.0000 2.0500 1.9500 1.9700 134,200
29 · DEF 14A After market open · 15:58 ET FORM DEF 14A ↗
2.0300 2.2100 1.7900 1.9600 463,900
Weekend
Weekend
2.2400 2.2400 2.0500 2.0800 180,700
2.3000 2.3490 2.2400 2.2400 73,900
2.3000 2.4000 2.2800 2.3400 85,000
2.3500 2.3700 2.2200 2.2700 140,800
2.3400 2.4300 2.3400 2.3800 82,900
Weekend
Weekend
2.4500 2.4900 2.3800 2.3900 72,000
28 · PRE 14A After market open · 14:09 ET FORM PRE 14A ↗
2.5500 2.6200 2.3700 2.4100 169,400
2.4800 2.6760 2.4300 2.5800 198,300
2.3300 2.5200 2.2500 2.4500 267,100
2.4700 2.4900 2.2800 2.3300 235,600
Weekend
Weekend
2.6100 2.6200 2.4100 2.4600 546,100
27 · 8-K Pre-market · 08:50 ET FORM 8-K ↗
3.1500 3.1600 2.5500 2.6800 2,166,200
26 · 8-K After-hours · 16:31 ET FORM 8-K ↗
4.7800 5.3000 4.6500 4.8100 514,700
25 · 8-K Pre-market · 08:20 ET FORM 8-K ↗
4.4000 4.7000 4.3300 4.5600 69,300
24 · 8-K Pre-market · 08:35 ET FORM 8-K ↗
No trading
Weekend
Weekend
4.2400 4.4000 4.1000 4.3400 69,000
4.1600 4.2600 4.0700 4.2160 25,200
4.1200 4.2000 4.0300 4.1800 36,900
4.1700 4.3400 4.1200 4.1400 25,600
4.3600 4.3700 4.1000 4.1200 43,300
Weekend
Weekend
4.1600 4.3880 3.8500 4.3100 158,200
23 · 8-K After market open · 11:55 ET FORM 8-K ↗
4.1400 4.2000 3.9000 3.9100 51,600
4.1500 4.3000 3.9000 4.1800 169,100
4.1100 4.2790 4.0160 4.1900 30,500
4.2900 4.4630 4.0100 4.1200 94,400
Weekend
Weekend
4.2800 4.3990 4.1400 4.2900 37,000
4.5900 4.6000 4.2000 4.2800 70,400
4.5300 4.7000 4.4200 4.5900 82,500
4.5400 4.5400 4.3500 4.5200 42,000
4.7000 4.7000 4.2600 4.5500 155,600
Weekend
Weekend
4.8600 4.9010 4.6000 4.6800 95,700
4.8000 5.1500 4.6850 4.7700 192,200
4.3600 4.9400 4.2700 4.7600 223,700
4.0800 4.3900 4.0100 4.2600 150,400
22 · 8-K Pre-market · 08:00 ET FORM 8-K ↗
No trading
Weekend
Weekend
4.3000 4.3000 4.0850 4.1600 132,100
4.1400 4.3600 4.0500 4.2700 86,900
4.4500 4.4500 4.0600 4.1400 104,300
4.0500 4.6000 3.9100 4.2900 283,700
21 · 8-K Pre-market · 08:55 ET FORM 8-K ↗
4.0700 4.1120 3.8640 4.0500 145,400
20 · 8-K Pre-market · 08:36 ET FORM 8-K ↗
Weekend
Weekend
4.2200 4.2200 3.9200 3.9800 116,300
4.0700 4.3400 4.0500 4.1100 109,900
4.1500 4.2560 4.0200 4.0700 166,500
19 · 8-K Pre-market · 08:30 ET FORM 8-K ↗
3.9300 4.3170 3.8640 4.1200 202,400
3.6700 4.1000 3.6400 3.9000 219,000
Weekend
Weekend
18 · DEF 14A After-hours · 16:00 ET FORM DEF 14A ↗
3.3300 3.6350 3.2500 3.6200 149,100
No trading
3.3000 3.3500 3.1700 3.3100 102,300
3.4200 3.4200 3.1300 3.3200 101,600
3.7900 3.8600 3.3200 3.4400 520,300
Weekend
Weekend
3.9000 3.9490 3.7800 3.8300 90,700
No trading
4.0900 4.1790 3.7800 3.9000 126,000
17 · S-3 After-hours · 16:47 ET FORM S-3 ↗ 16 · 424B5 After-hours · 16:23 ET FORM 424B5 ↗
3.9800 4.2400 3.9200 4.1500 105,900
3.7400 4.1200 3.7400 4.0100 178,300
15 · 8-K Pre-market · 08:55 ET FORM 8-K ↗
Weekend
Weekend
14 · PRE 14A After-hours · 16:36 ET FORM PRE 14A ↗
3.8600 4.0600 3.7500 3.9000 155,100
4.0700 4.1620 3.8100 3.8300 222,200
4.1800 4.3700 3.6300 4.1400 5,961,800
13 · 8-K Pre-market · 08:30 ET FORM 8-K ↗ 12 · 8-K After-hours · 17:20 ET FORM 8-K ↗
4.4700 4.7800 4.3600 4.6900 103,000
5.0000 5.0890 4.4200 4.5000 167,500
Weekend
Weekend
5.0600 5.2000 4.7500 4.9800 193,700
4.9600 5.3200 4.8900 5.0000 311,100
11 · 8-K After-hours · 16:45 ET FORM 8-K ↗
5.6700 5.8820 4.7500 4.8300 601,400
7.2900 7.5000 6.2000 6.6300 2,372,100
10 · 8-K Pre-market · 08:16 ET FORM 8-K ↗
7.4600 7.9800 7.0100 7.2500 817,800
9 · 8-K Pre-market · 08:20 ET FORM 8-K ↗
Weekend
Weekend
7.6900 7.6900 6.8800 7.2400 79,300
7.5300 7.7500 7.2700 7.7100 127,900
6.6400 7.7000 6.5000 7.5900 165,400
6.6000 6.8490 6.3300 6.6300 109,400
6.5000 6.8400 6.0100 6.6300 262,800
Weekend
Weekend
8 · 8-K After market open · 13:16 ET FORM 8-K ↗
6.7500 6.8750 6.7250 6.8250 89,356
No trading
7.2500 7.4500 6.5750 7.0000 345,672
8.8750 9.1750 8.7500 8.9750 39,168
10.0000 10.1250 8.5250 9.1500 282,728
7 · 8-K Pre-market · 09:08 ET FORM 8-K ↗
Weekend
Weekend
6 · 8-K After-hours · 16:33 ET FORM 8-K ↗
10.5250 11.1250 10.5250 10.6750 42,436
11.0000 11.3500 10.5500 10.5500 42,560
10.7500 11.2250 10.7500 10.9500 33,484
10.7500 10.9750 10.3750 10.5000 38,484
11.2500 11.4750 10.5000 10.6000 32,576
Weekend
Weekend
10.7750 11.1250 10.6500 10.8500 51,984
5 · 10-Q After-hours · 16:16 ET FORM 10-Q ↗
12.0000 12.2000 10.8750 11.3500 106,412
4 · 8-K Pre-market · 08:36 ET FORM 8-K ↗
12.2500 12.6500 11.7000 12.2000 115,768
3 · 8-K Pre-market · 09:02 ET FORM 8-K ↗
11.8000 12.0000 11.5000 11.9750 31,820
12.4500 12.6250 11.7500 12.0750 49,888
Weekend
Weekend
11.2500 12.3250 11.0000 12.2250 78,856
11.7250 11.9500 10.9750 11.4250 81,112
12.2250 12.5000 11.7000 11.9250 93,552
12.0750 12.5750 11.7500 12.4250 113,896
11.3500 15.7500 11.0750 13.0000 932,740
Weekend
Weekend
11.0500 12.0000 10.7500 11.6250 136,060
2 · 8-K After-hours · 16:57 ET FORM 8-K ↗
13.1250 13.4500 10.8250 11.3000 1,747,756
12.0500 12.5000 11.6250 12.0000 62,068
1 · 8-K Pre-market · 08:35 ET FORM 8-K ↗
12.2500 12.4500 11.9250 12.0750 41,716
12.2500 12.7500 11.5000 12.4000 71,876
Weekend
Weekend
12.2500 12.6000 12.0000 12.1500 78,148

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.