Fusion Fuel Green PLC HTOO

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Fusion Fuel Green PLC - Ordinary Shares · Company · Nasdaq

Paper trade (simulated — no real money)

Fill: USD 2.6000 · FX 1 USD = 1.289800 SGD · about SGD 3.3535 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 5.98 → 2.60 · -56.5%
6.1304.3402.550 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 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
2.6400 2.6600 2.6000 2.6000 2,700
2.6200 2.8000 2.6200 2.6500 1,900
2.7500 2.8300 2.6350 2.6900 11,400
61 · 6-K Pre-market · 08:00 ET 6-K ↗
2.6200 2.6900 2.5620 2.6900 6,900
2.5600 2.6100 2.5600 2.5700 1,500
Weekend
Weekend
2.7900 2.7900 2.5500 2.5660 3,800
2.6800 2.6900 2.5900 2.5900 5,600
2.6850 2.6850 2.6000 2.6400 2,700
2.5600 2.6000 2.5600 2.6000 3,900
2.6160 2.6390 2.5600 2.5600 1,400
Weekend
Weekend
2.6200 2.6800 2.5920 2.5920 3,100
2.6350 2.6690 2.5700 2.5700 2,000
2.6300 2.7250 2.5800 2.5900 5,200
2.6500 2.6900 2.5900 2.6900 4,400
2.6600 2.7900 2.6500 2.6800 4,700
Weekend
Weekend
No trading
2.7940 2.8100 2.6700 2.6700 4,000
2.7200 2.7900 2.6900 2.6900 5,300
2.6900 2.8000 2.6400 2.6500 7,200
2.6500 2.7500 2.6000 2.6400 14,900
Weekend
Weekend
2.5800 2.7200 2.5800 2.6100 18,900
2.6700 2.6750 2.5900 2.5900 9,700
2.7600 2.8600 2.6600 2.6600 9,300
2.7200 2.8000 2.6600 2.7000 7,600
2.8100 2.8100 2.7000 2.7200 8,700
Weekend
Weekend
No trading
2.8900 2.9400 2.8500 2.8600 10,300
2.9300 3.0000 2.8990 2.9100 6,500
3.0100 3.0100 2.8800 2.9000 12,700
3.0500 3.0500 2.8650 2.9000 14,500
Weekend
Weekend
2.9100 3.0900 2.9100 2.9500 12,200
3.1000 3.1000 2.8900 2.9400 6,600
60 · 6-K After-hours · 17:06 ET 6-K ↗
2.8500 3.0500 2.8300 2.8300 18,700
2.9700 3.0450 2.8200 2.8500 19,600
59 · 6-K Pre-market · 08:30 ET 6-K ↗
2.9600 3.1300 2.8200 2.9100 20,300
Weekend
Weekend
3.1600 3.2850 2.9000 2.9200 57,800
3.2300 3.2500 3.1000 3.1700 20,500
58 · 6-K Pre-market · 08:30 ET 6-K ↗
3.5200 3.6000 3.1100 3.1400 25,000
3.7900 3.8200 3.5100 3.6000 16,000
3.7800 3.8400 3.6900 3.8100 31,800
Weekend
Weekend
3.7100 3.7800 3.6100 3.6950 38,100
3.4500 3.7890 3.4500 3.7100 41,300
3.1300 3.5000 3.1300 3.4500 42,800
57 · 6-K Pre-market · 07:45 ET 6-K ↗
3.0100 3.2200 3.0000 3.1000 23,200
No trading
Weekend
Weekend
3.0600 3.2800 2.9900 3.0100 54,000
2.7140 3.1600 2.7140 3.1600 29,000
56 · 6-K Pre-market · 08:00 ET 6-K ↗
2.7000 2.8700 2.6500 2.8550 12,200
2.8700 2.8700 2.6400 2.6600 33,800
2.9600 3.0000 2.8850 2.9400 15,300
55 · 6-K Pre-market · 08:30 ET 6-K ↗
Weekend
Weekend
2.9900 3.0300 2.8000 2.9900 45,600
54 · 6-K Pre-market · 09:15 ET 6-K ↗
3.0000 3.0400 2.9000 3.0100 22,500
3.0000 3.1600 2.8900 3.0900 46,000
2.8500 3.0000 2.8300 3.0000 56,800
53 · 6-K Pre-market · 08:29 ET 6-K ↗
2.7400 3.0400 2.7400 2.9100 75,900
52 · 6-K Pre-market · 08:30 ET 6-K ↗
Weekend
Weekend
3.5400 3.5400 2.5500 2.7300 140,400
51 · 6-K After-hours · 17:28 ET 6-K ↗ 50 · 20-F After-hours · 16:19 ET 20-F ↗
3.3300 3.5380 3.3300 3.4000 221,800
3.2200 3.4500 3.2200 3.3700 22,800
3.0900 3.4000 3.0700 3.1700 17,600
3.2500 3.3400 3.0600 3.1100 30,100
Weekend
Weekend
3.1100 3.2650 3.1100 3.1650 16,700
3.3200 3.3750 3.0900 3.1300 11,400
3.3190 3.4890 3.3000 3.3400 9,600
3.4000 3.5750 3.3900 3.3900 41,700
3.4400 3.4800 3.3460 3.4400 20,100
Weekend
Weekend
3.4500 3.4500 3.0300 3.4300 47,200
3.2800 3.4500 3.1500 3.4000 59,300
49 · 6-K Pre-market · 08:30 ET 6-K ↗
3.3000 3.3150 3.1150 3.2300 10,200
3.2800 3.3500 3.0300 3.2300 12,200
3.1600 3.4450 2.9900 3.2000 123,100
48 · 6-K Pre-market · 08:00 ET 6-K ↗
Weekend
Weekend
2.9700 3.1600 2.9700 3.0300 27,300
2.8900 3.0000 2.8300 2.9400 10,200
2.8200 2.9700 2.7200 2.9500 23,500
2.8500 2.9600 2.8500 2.8600 53,000
2.8900 2.9050 2.8100 2.8400 10,600
Weekend
Weekend
2.7710 2.9500 2.6600 2.9500 24,600
2.7800 2.8800 2.7700 2.7700 10,700
47 · 6-K Pre-market · 08:00 ET 6-K ↗
2.8000 2.8500 2.6400 2.7700 14,500
2.8100 2.8750 2.8000 2.8500 21,700
46 · 6-K Pre-market · 08:00 ET 6-K ↗
2.5800 2.8500 2.5800 2.7900 21,900
Weekend
Weekend
No trading
2.7750 2.9470 2.5630 2.8000 21,600
45 · 6-K Pre-market · 08:00 ET 6-K ↗
2.8300 2.9170 2.7800 2.8600 8,300
2.6790 2.8000 2.6700 2.8000 15,500
2.6600 2.7200 2.5800 2.6800 16,800
44 · 6-K/A Next filing day · accepted 27 Mar, 19:07 ET 6-K/A ↗
Weekend
Weekend
2.7400 2.7400 2.4200 2.6500 50,700
2.7500 2.7600 2.6300 2.6900 10,500
2.6500 2.8600 2.6500 2.7200 51,600
43 · 6-K Pre-market · 09:16 ET 6-K ↗
2.5000 2.6200 2.4100 2.6200 26,300
42 · 424B3 Pre-market · 08:00 ET 424B3 ↗
2.5000 2.6600 2.4330 2.5500 36,800
41 · 6-K Pre-market · 08:00 ET 6-K ↗
Weekend
Weekend
2.8600 2.9000 2.5400 2.6100 59,200
2.9300 2.9300 2.7200 2.8400 36,600
40 · F-3 After-hours · 16:34 ET F-3 ↗
2.9800 2.9890 2.8300 2.9300 23,800
3.0110 3.0300 2.9000 2.9200 16,700
39 · 6-K Pre-market · 08:00 ET 6-K ↗
3.0400 3.0850 2.9400 3.0500 34,500
Weekend
Weekend
3.1000 3.1600 3.0700 3.1000 21,300
3.1700 3.2600 3.0400 3.1600 34,200
3.1900 3.2200 3.1300 3.2200 28,500
38 · 6-K Pre-market · 08:30 ET 6-K ↗
3.1900 3.2250 3.1200 3.1300 56,800
3.2100 3.4100 3.0800 3.3500 76,000
Weekend
Weekend
3.2300 3.4200 3.0900 3.2900 225,300
3.3100 3.5600 3.1000 3.5100 9,735,300
37 · 6-K Pre-market · 08:00 ET 6-K ↗
3.2600 3.3500 3.2500 3.2600 3,600
3.2100 3.4400 3.2100 3.2500 5,100
3.3600 3.5440 3.2100 3.2200 6,400
Weekend
Weekend
3.3610 3.4600 3.3570 3.3600 4,300
3.4500 3.4550 3.3200 3.4200 7,600
3.4000 3.5700 3.3900 3.4100 18,400
3.4200 3.4400 3.2100 3.3400 14,300
3.5700 3.5800 3.4500 3.4600 6,000
Weekend
Weekend
3.4300 3.7000 3.4300 3.5800 21,500
3.3500 3.6900 3.3200 3.4000 28,900
36 · 6-K/A After market open · 15:18 ET 6-K/A ↗
3.6500 3.7120 3.2000 3.4100 227,700
35 · 6-K Pre-market · 07:45 ET 6-K ↗ 34 · 6-K Pre-market · 07:44 ET 6-K ↗
3.5000 3.5000 3.4200 3.5000 10,400
No trading
Weekend
Weekend
3.3000 3.6400 3.2520 3.5000 28,700
33 · 424B3 After market open · 11:39 ET 424B3 ↗
3.5000 3.5000 3.3000 3.3400 4,500
3.5200 3.5200 3.3100 3.4000 7,600
3.4700 3.4800 3.3500 3.4400 12,600
3.4900 3.5000 3.4000 3.4200 11,200
Weekend
Weekend
32 · F-3 After-hours · 17:23 ET F-3 ↗
3.4500 3.5700 3.3400 3.5300 19,800
3.3000 3.3600 3.2000 3.2400 11,000
3.2900 3.4500 3.2600 3.3900 9,700
3.4400 3.4650 3.1800 3.2800 13,600
3.3200 3.4350 3.1900 3.2600 7,500
Weekend
Weekend
3.5500 3.5500 3.1500 3.4100 25,700
3.6900 3.6900 3.4250 3.4500 39,800
3.8000 3.8000 3.6300 3.6900 13,000
3.8850 3.8850 3.7000 3.7700 26,300
4.1900 4.1900 3.7000 3.8400 40,800
Weekend
Weekend
4.1700 4.3300 4.1700 4.2400 9,900
4.3800 4.5300 4.2300 4.2300 15,300
4.2900 4.5000 4.0100 4.4700 27,200
4.4600 4.4600 4.2900 4.3700 13,800
No trading
Weekend
Weekend
5.0800 5.0800 4.4100 4.5600 149,100
4.8400 5.0400 4.6800 5.0400 32,000
4.5200 4.8600 4.5000 4.8400 59,100
4.4100 4.6400 4.0800 4.5900 49,400
4.1100 4.5430 4.1100 4.4300 103,700
Weekend
Weekend
4.0600 4.1800 4.0020 4.1800 14,200
3.7650 4.1100 3.6100 4.0900 47,600
31 · 6-K Pre-market · 09:00 ET 6-K ↗
3.7200 4.0600 3.6500 3.7300 52,600
3.8000 3.8000 3.5700 3.7800 14,200
3.6100 3.8100 3.5880 3.7500 20,900
Weekend
Weekend
3.3900 3.5800 3.3200 3.5800 14,200
No trading
3.5400 3.6320 3.3300 3.3300 57,600
3.7100 3.7500 3.5500 3.6000 43,900
3.4900 3.9700 3.4900 3.7500 1,944,900
30 · 6-K Pre-market · 07:45 ET 6-K ↗
Weekend
Weekend
3.9300 4.0160 3.8000 3.9130 14,700
No trading
4.0900 4.0900 3.9100 4.0000 8,400
3.9800 4.0750 3.8650 4.0100 34,600
3.9500 4.0300 3.8900 4.0300 20,400
Weekend
Weekend
3.8500 3.9800 3.7850 3.9800 14,400
3.8200 3.8800 3.7600 3.8300 20,300
3.6600 3.9510 3.6600 3.7500 63,200
3.8600 3.8680 3.5700 3.6700 26,800
3.9300 3.9880 3.7600 3.8800 73,200
Weekend
Weekend
4.0000 4.0800 3.9200 3.9200 49,300
4.1200 4.1500 3.8800 4.0200 27,400
4.1450 4.2600 4.0140 4.1800 44,700
3.9800 4.3900 3.9100 4.2900 148,900
3.9000 4.1000 3.9000 4.0200 37,900
Weekend
Weekend
29 · 6-K After-hours · 17:10 ET 6-K ↗
3.9900 4.2180 3.8500 4.1400 110,200
3.6450 4.1500 3.5600 4.1500 286,500
3.8300 4.1400 3.6600 3.9100 21,035,100
28 · 6-K Pre-market · 07:30 ET 6-K ↗
3.3800 3.5300 3.3800 3.5000 6,500
3.4600 3.5000 3.2950 3.3400 27,000
Weekend
Weekend
3.4000 3.6200 3.3300 3.4600 24,100
27 · 6-K Pre-market · 06:45 ET 6-K ↗
No trading
3.1100 3.3600 3.1100 3.3150 18,600
3.0200 3.2380 3.0200 3.1600 32,400
26 · 6-K Pre-market · 07:30 ET 6-K ↗
3.1100 3.1100 2.9200 3.0100 33,600
Weekend
Weekend
25 · F-3/A After-hours · 17:15 ET F-3/A ↗
3.2700 3.3700 3.1100 3.1700 37,300
3.6400 3.6990 3.2800 3.2800 28,800
3.5100 3.6400 3.4650 3.5100 20,200
3.5250 3.6700 3.4590 3.5200 37,100
3.7700 3.8900 3.4300 3.4300 68,800
Weekend
Weekend
4.0000 4.0000 3.7030 3.8200 35,100
4.0400 4.2600 3.9800 4.1500 14,200
4.2000 4.2500 4.0430 4.1550 21,200
3.9300 4.2950 3.8400 4.2700 25,800
3.9000 4.1000 3.7910 4.0750 46,200
Weekend
Weekend
3.7500 3.8900 3.6020 3.8900 31,600
24 · 6-K Next filing day · accepted 06 Nov, 17:57 ET 6-K ↗
3.5900 3.9200 3.4800 3.8300 44,400
3.4400 3.7900 3.4000 3.6600 46,900
3.5050 3.7000 3.4120 3.5700 652,600
23 · 6-K Pre-market · 07:45 ET 6-K ↗
4.1600 4.1600 3.8100 3.8200 64,500
Weekend
Weekend
4.3800 4.5100 4.0100 4.1900 73,000
4.4100 4.5050 3.7950 4.1300 177,800
4.7500 4.8000 4.5500 4.5800 37,700
4.8500 4.8700 4.7200 4.7200 12,600
4.9300 4.9400 4.7700 4.8700 23,300
Weekend
Weekend
4.7900 4.8400 4.7000 4.8400 13,100
4.7600 4.7800 4.5700 4.7400 42,100
4.8200 4.8400 4.5000 4.6900 30,700
4.7000 4.8600 4.7000 4.7700 18,500
4.6400 4.9500 4.6300 4.9000 45,300
Weekend
Weekend
4.9000 5.0000 4.5700 4.6600 74,600
5.1400 5.1950 4.6500 4.9300 573,700
22 · 6-K Pre-market · 07:45 ET 6-K ↗
5.0200 5.2000 4.8290 5.0500 93,700
21 · 6-K Pre-market · 07:00 ET 6-K ↗ 20 · 6-K After-hours · 16:15 ET 6-K ↗
4.6900 4.9500 4.5000 4.9000 56,300
4.5400 4.8700 4.5100 4.7500 76,100
Weekend
Weekend
4.7800 4.9000 4.4510 4.5300 103,200
4.8900 4.8900 4.6800 4.7200 65,600
19 · 6-K Pre-market · 07:00 ET 6-K ↗
5.1200 5.1200 4.7500 4.9600 68,800
5.2000 5.2100 4.9200 5.0000 94,900
5.0350 5.4190 5.0100 5.2500 226,500
Weekend
Weekend
4.4600 5.2490 4.4100 4.8100 409,500
4.6400 4.7110 4.5600 4.5800 38,900
4.4900 4.6700 4.3400 4.6200 68,500
4.4400 4.4800 4.3000 4.4500 62,500
4.5100 4.7400 4.3100 4.4100 91,000
Weekend
Weekend
4.5700 4.9400 4.5700 4.6200 165,300
5.5500 5.7390 4.8000 4.9500 2,139,100
18 · 6-K Pre-market · 08:00 ET 6-K ↗
4.9300 5.4990 4.9300 5.3600 1,182,800
5.1500 5.3490 4.8650 4.9300 209,500
4.7500 5.3500 4.5400 5.0800 328,700
Weekend
Weekend
4.7400 4.9600 4.5500 4.5900 113,500
4.6600 4.7400 4.2300 4.7400 233,800
4.1500 4.8000 3.9500 4.5000 306,700
17 · 6-K Pre-market · 08:00 ET 6-K ↗
4.3000 4.3000 4.0400 4.1600 130,500
4.2700 4.4500 4.0500 4.2800 1,499,200
16 · 6-K Pre-market · 08:32 ET 6-K ↗
Weekend
Weekend
4.0000 4.1650 4.0000 4.0700 71,300
4.3100 4.3100 3.9300 4.1700 440,900
15 · 6-K After-hours · 17:05 ET 6-K ↗ 14 · 6-K/A After-hours · 17:02 ET 6-K/A ↗ 13 · 6-K After-hours · 17:00 ET 6-K ↗
4.2000 4.2900 4.1000 4.1200 1,265,400
4.0200 4.2890 3.9300 4.2400 64,100
3.9800 4.1700 3.9200 4.0110 60,800
12 · 6-K Pre-market · 07:00 ET 6-K ↗
Weekend
Weekend
4.0700 4.1000 3.9300 4.0000 13,800
3.9000 4.0500 3.8100 4.0140 43,800
4.0000 4.0020 3.8000 3.8000 26,800
4.1000 4.1000 3.8800 3.9500 57,700
11 · 6-K Pre-market · 07:00 ET 6-K ↗
No trading
Weekend
Weekend
4.1800 4.2050 4.0300 4.1000 19,400
4.1100 4.2700 4.0400 4.0560 41,300
3.9000 4.1800 3.8100 4.0400 63,900
10 · 6-K Pre-market · 08:00 ET 6-K ↗
4.0300 4.1150 3.6590 3.8100 57,100
4.1100 4.1690 4.0790 4.0900 17,700
Weekend
Weekend
4.1600 4.2330 3.8800 4.1850 27,900
4.1500 4.2500 4.1200 4.2400 28,400
4.2500 4.4800 4.2100 4.2650 16,000
4.3800 4.4700 4.2600 4.3200 151,000
4.3700 4.5000 4.3000 4.4900 18,100
Weekend
Weekend
4.4000 4.4800 4.3070 4.4600 43,400
9 · 424B3 Pre-market · 08:00 ET 424B3 ↗
4.4400 4.6000 4.2700 4.5000 29,600
4.4500 4.6000 4.3200 4.5300 60,200
4.2700 4.5600 4.2500 4.4100 39,500
4.2100 4.4600 4.1750 4.3800 152,000
8 · 6-K Pre-market · 06:30 ET 6-K ↗
Weekend
Weekend
7 · F-3 After-hours · 16:16 ET F-3 ↗
4.5000 4.7400 4.1200 4.2500 80,400
4.5500 4.8000 4.5000 4.5200 52,200
4.8000 4.9000 4.5500 4.6400 86,800
6 · 6-K Pre-market · 06:30 ET 6-K ↗ 5 · 424B3 After-hours · 16:15 ET 424B3 ↗ 4 · 6-K After-hours · 16:15 ET 6-K ↗
5.0800 5.2000 4.8500 4.9400 75,800
5.0700 5.2400 5.0000 5.1800 54,400
Weekend
Weekend
5.3600 5.6650 5.0100 5.3300 164,300
5.6600 6.0000 5.2300 5.4100 174,200
3 · 6-K After-hours · 16:15 ET 6-K ↗
5.9300 6.3500 5.8000 5.8600 123,500
5.7600 6.5000 5.7600 6.1300 199,900
2 · 6-K After-hours · 17:11 ET REPORT OF FOREIGN PRIVATE ISSUER ↗ 1 · 424B5 After-hours · 16:59 ET PROSPECTUS SUPPLEMENT ↗
6.3500 6.8600 5.9200 5.9800 505,200
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.