United States Antimony Corporation UAMY
Open calendar →United States Antimony Corporation Common Stock · Company · NYSE
USD closing-price chart (daily close from yfinance · Last year)
USD 3.56 → 5.84 · 64.0%
Numbered dotted lines mark the filtered filings under Announcement Events below.
Price & SEC Filing History 22 Jul 2025 — 23 Jul 2026 (Last year)
Daily NYSE 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.
Date
Open
High
Low
Close
Volume
No data yet
5.8000
6.0975
5.8100
5.8400
4,640,745
5.5000
5.8500
5.4800
5.8400
5,294,000
5.4100
5.4900
5.1000
5.3600
6,264,500
Weekend
Weekend
5.1900
5.5600
5.0500
5.4600
5,336,300
5.8300
5.8300
5.1200
5.3300
10,944,100
6.3000
6.4700
5.8600
5.9200
6,663,800
6.2400
6.4700
6.1600
6.4500
5,017,800
6.2000
6.2900
5.9300
5.9700
5,795,300
Weekend
Weekend
6.6500
6.6800
6.3900
6.4600
4,249,100
6.7200
6.8300
6.5600
6.6200
4,382,200
6.6800
6.9500
6.4000
6.6800
5,412,200
7.1800
7.2000
6.5300
6.8000
5,272,300
7.4400
7.5500
7.2100
7.2600
4,347,600
Weekend
Weekend
No trading
7.6600
8.1900
7.2000
7.4300
7,500,600
7.2000
7.8600
7.0700
7.7000
6,974,900
7.0000
7.3700
6.9300
7.2600
5,291,800
6.8400
6.9900
6.5000
6.9600
6,222,600
Weekend
Weekend
6.6700
6.9700
6.6000
6.9700
11,414,300
6.7100
6.8900
6.3200
6.8600
6,271,700
7.0100
7.0500
6.4000
6.5700
8,810,800
7.3500
7.6900
7.0000
7.0100
5,562,800
7.7000
7.8800
7.4700
7.8000
6,342,000
Weekend
Weekend
No trading
7.7600
8.0500
7.5000
7.8500
11,919,400
7.2300
7.8400
7.1900
7.6600
9,504,000
7.3800
7.4500
7.0200
7.0900
5,858,800
53 · 8-K
Next filing day · accepted 15 Jun, 18:06 ET
FORM 8-K ↗
7.5300
7.8600
7.4000
7.4800
6,806,900
Weekend
Weekend
7.2800
7.3200
6.8900
7.0400
6,869,900
6.9000
7.3400
6.7200
7.3300
9,943,100
7.2700
7.5500
6.7700
6.8600
11,538,600
7.8600
7.8900
6.9500
7.2800
10,830,800
8.0200
8.0700
7.7300
7.8100
5,776,000
52 · DEFA14A
Pre-market · 06:03 ET
DEFA14A ↗
51 · 8-K
Pre-market · 06:01 ET
FORM 8-K ↗
Weekend
Weekend
8.4500
8.4500
7.6000
7.7100
10,450,600
9.1400
9.1400
8.5000
8.6500
10,239,900
9.9700
10.1300
9.0900
9.1600
10,400,200
9.2200
10.2300
9.1700
10.1900
11,907,300
8.8100
9.6500
8.6000
9.2600
9,850,400
Weekend
Weekend
9.0500
9.1600
8.6800
8.9800
7,254,400
9.0600
9.2200
8.8500
9.1000
6,553,500
8.5000
9.2600
8.4300
9.2400
10,257,300
8.6600
8.9700
8.3800
8.8100
12,100,800
No trading
Weekend
Weekend
8.4000
8.7000
8.2500
8.4200
9,861,100
8.2500
8.6000
8.1100
8.2000
10,062,100
7.7500
8.5600
7.5700
8.3300
16,401,000
8.0000
8.0600
7.3300
7.4400
15,583,100
8.7400
8.8000
8.0200
8.0400
9,009,300
Weekend
Weekend
50 · 8-K
After-hours · 16:51 ET
FORM 8-K ↗
9.3400
9.7100
8.4600
8.6100
14,692,900
49 · 8-K
After-hours · 16:24 ET
FORM 8-K ↗
48 · 10-Q
After-hours · 16:17 ET
10-Q ↗
9.8500
9.9000
9.1000
9.5700
11,168,300
10.3100
10.5500
9.7900
9.9700
9,301,300
10.4400
11.0500
9.7700
10.5000
13,939,000
10.7000
10.8900
10.0400
10.6500
12,629,700
Weekend
Weekend
11.5000
11.5000
10.4900
10.6600
10,666,100
12.5500
12.6400
10.8500
11.0200
14,340,100
11.2300
12.6400
10.9600
12.6100
17,267,700
47 · 8-K
Pre-market · 09:16 ET
FORM 8-K ↗
46 · 8-K
Next filing day · accepted 05 May, 20:51 ET
FORM 8-K ↗
11.8500
11.9200
10.5800
11.1500
18,510,200
12.3100
12.5700
11.5300
11.7500
21,721,500
Weekend
Weekend
11.7900
12.6100
11.3600
12.1500
18,476,500
10.1600
12.3600
10.1300
12.0100
21,429,000
10.7700
10.7700
9.3400
9.9800
15,459,100
10.7300
11.8700
10.3500
10.8100
19,069,400
9.6000
11.2300
9.6000
11.1800
14,519,800
45 · DEFA14A
Next filing day · accepted 24 Apr, 17:37 ET
DEFA14A ↗
Weekend
Weekend
10.2700
10.4700
9.5800
9.7400
11,111,900
10.3100
10.6000
9.7700
10.1200
11,334,200
10.3900
10.9900
10.0100
10.6000
8,968,600
10.7700
10.7700
9.9800
10.0700
9,860,700
44 · DEFA14A
After-hours · 16:06 ET
DEFA 14A ↗
43 · DEF 14A
After-hours · 16:06 ET
DEF 14A ↗
10.5000
11.2300
10.4000
10.6400
10,954,200
Weekend
Weekend
10.8700
11.4300
10.3600
10.5700
10,971,300
10.9800
10.9900
10.3700
10.4200
12,479,700
9.4900
10.7100
9.4700
10.7000
15,905,000
9.4800
9.6500
9.0300
9.3700
10,020,600
8.2100
9.3500
8.0900
9.2900
12,264,500
Weekend
Weekend
8.8500
9.4400
8.3100
8.3600
10,896,300
42 · PRE 14A
Pre-market · 09:15 ET
PRE 14A ↗
41 · 8-K
Pre-market · 09:15 ET
FORM 8-K ↗
8.6100
9.1600
8.5600
8.7700
8,000,800
8.8700
9.1000
8.4800
8.8400
9,024,100
8.2000
8.3100
7.8400
8.1300
7,396,000
8.6100
8.8500
8.0800
8.2800
7,476,900
Weekend
Weekend
No trading
7.9100
9.0500
7.8700
8.6900
9,596,600
8.9800
9.0500
8.2400
8.3000
10,183,000
8.1400
8.8000
8.0100
8.7300
8,343,500
8.8200
8.8500
7.8000
7.8700
10,275,200
Weekend
Weekend
8.7600
9.0800
8.6600
8.7500
7,084,900
9.4000
9.5000
8.7000
8.8500
9,578,400
9.6300
10.0700
9.5400
9.8700
14,619,800
8.8200
9.2800
8.4000
9.2800
11,583,400
40 · 8-K
After-hours · 16:39 ET
FORM 8-K ↗
8.4700
9.2700
8.2500
8.9400
15,998,500
Weekend
Weekend
9.9100
10.0000
8.0400
8.1600
29,706,500
39 · 8-K
After-hours · 16:00 ET
FORM 8-K ↗
38 · 10-K
After-hours · 16:00 ET
10-K ↗
9.0200
9.2400
8.6400
9.1100
12,455,100
10.1000
10.2000
9.3400
9.3400
12,165,900
37 · 8-K
After-hours · 17:11 ET
FORM 8-K ↗
10.7900
11.1900
10.1900
10.3000
12,582,100
9.5000
11.0800
9.5000
10.9800
22,305,700
Weekend
Weekend
9.7600
10.0600
8.9500
9.2200
12,379,600
10.2900
10.3900
9.5000
9.6800
13,011,900
11.4500
11.4900
10.2500
10.5100
15,307,700
9.5600
11.3000
9.5500
11.2300
21,250,200
9.3000
9.8100
8.7600
9.6000
11,590,400
Weekend
Weekend
8.8200
10.4300
8.8000
9.5700
19,307,400
36 · 8-K
Pre-market · 08:09 ET
FORM 8-K ↗
10.0000
10.0800
8.9900
9.2600
12,546,600
9.9200
10.0000
9.3100
9.6800
8,415,400
9.8000
10.2400
9.4000
9.5900
11,743,300
9.2600
10.7200
9.2200
10.6500
22,347,700
Weekend
Weekend
35 · 8-K
After market open · 15:26 ET
FORM 8-K ↗
8.8900
9.0500
8.6300
8.9400
7,951,300
8.9000
9.3200
8.6000
8.9100
9,730,300
8.5700
9.2700
8.3100
9.1500
11,833,600
7.7800
8.3900
7.4800
8.3700
9,257,900
7.3000
7.7800
7.1700
7.7400
6,570,400
Weekend
Weekend
7.6000
7.8800
7.2000
7.3900
7,091,900
7.4000
7.7400
7.1400
7.7000
5,013,400
7.4500
7.7300
7.2400
7.4500
6,096,100
7.3000
7.4000
6.8800
7.2500
8,972,200
No trading
Weekend
Weekend
7.3700
7.9400
7.1100
7.6200
8,542,300
8.1300
8.1500
7.2200
7.3900
8,952,500
8.4300
9.1400
7.8100
8.0900
17,540,600
34 · 8-K
After-hours · 16:53 ET
FORM 8-K ↗
9.0000
9.0000
7.9900
8.1500
16,414,000
8.2700
8.4500
7.9200
8.2300
11,304,400
Weekend
Weekend
7.7600
8.6500
7.6300
8.6100
12,259,000
7.5800
7.9500
7.3500
7.4700
9,358,600
9.3100
9.5900
7.7700
8.0700
19,368,400
8.2000
9.6600
8.1300
9.6500
24,665,000
7.8800
8.3700
7.4000
7.8600
16,933,100
Weekend
Weekend
8.0000
8.5500
7.2100
7.3300
16,249,700
33 · 8-K
After market open · 15:55 ET
FORM 8-K ↗
8.8800
9.2200
7.8000
8.2900
23,878,700
9.9000
10.2100
9.1300
9.7000
17,920,700
9.2300
10.0200
9.1300
9.9100
15,496,500
11.9200
11.9700
8.9000
9.5000
33,438,100
Weekend
Weekend
10.3700
11.2400
9.8000
10.8500
21,782,700
9.1500
10.5900
9.1000
10.1900
19,507,100
9.4500
10.1300
8.6600
9.1100
23,807,800
8.4500
9.4000
8.3300
9.2700
24,210,500
32 · 8-K
Pre-market · 08:00 ET
FORM 8-K ↗
No trading
Weekend
Weekend
8.4000
8.7900
7.8800
8.2900
13,694,500
8.5000
8.7600
8.2100
8.2900
13,514,200
7.9000
8.9600
7.4000
8.7800
18,438,600
8.7200
8.8400
7.6800
7.7500
16,092,900
8.0100
8.9500
7.5400
8.5700
19,614,900
Weekend
Weekend
7.4700
7.9700
7.2200
7.6500
12,036,800
7.6000
8.0900
7.3400
7.4100
14,327,800
7.0000
8.0700
6.9100
7.8400
24,066,000
7.2500
7.5900
6.6100
6.9900
14,662,700
6.4000
7.0900
6.2000
6.8700
14,846,900
31 · 8-K
Pre-market · 07:30 ET
FORM 8-K ↗
Weekend
Weekend
5.2000
6.1500
5.1800
5.9300
11,170,000
No trading
5.1500
5.1600
4.8700
5.0200
8,148,100
5.6400
5.6500
5.0700
5.1800
9,333,300
5.9300
6.4300
5.5700
5.6100
9,518,900
Weekend
Weekend
6.5800
6.9100
6.0300
6.2400
12,744,300
No trading
6.1500
6.4000
5.9600
6.3500
5,574,000
5.6300
6.3600
5.5200
6.0300
14,537,700
5.1400
5.7900
5.0200
5.5900
10,708,400
Weekend
Weekend
4.5200
4.9400
4.5000
4.8200
12,546,600
4.5900
4.9000
4.3600
4.4900
6,348,300
4.9500
5.0800
4.5000
4.5400
6,168,500
4.8200
5.0000
4.7700
4.9800
5,876,200
5.4500
5.6500
4.9500
4.9800
7,681,900
Weekend
Weekend
6.0200
6.0200
5.4100
5.6000
7,078,700
5.8300
6.1000
5.5800
6.0000
6,328,200
6.3500
6.4300
5.7900
5.9200
7,700,700
6.3100
6.5700
6.0100
6.4400
5,856,200
6.3900
6.6100
6.1600
6.3500
7,155,500
Weekend
Weekend
6.4900
6.9500
6.3000
6.3600
16,027,900
5.2200
6.2100
5.2200
6.1200
14,179,700
5.3600
5.4000
5.1600
5.3200
4,834,900
5.4700
5.6400
5.3500
5.3600
6,016,900
5.9900
6.0500
5.4400
5.4800
8,383,200
Weekend
Weekend
5.8600
6.1900
5.7800
6.1100
4,489,800
No trading
5.7500
5.9500
5.6900
5.7900
4,976,600
5.9500
6.0000
5.4800
5.7900
5,950,300
30 · 8-K
Pre-market · 09:01 ET
FORM 8-K ↗
5.8500
6.0000
5.7600
5.8800
8,970,900
Weekend
Weekend
5.9000
5.9800
5.4100
5.8700
10,339,400
6.9300
7.0600
5.8400
5.8800
11,657,500
7.3200
7.4600
6.7300
6.7400
7,675,500
6.8000
7.3100
6.8000
7.0800
8,127,100
7.3900
7.4400
6.7000
6.8500
8,666,900
Weekend
Weekend
29 · 8-K
After-hours · 16:13 ET
FORM 8-K ↗
6.6400
7.7900
6.5700
7.3800
11,591,300
7.4000
8.0400
7.0500
7.1900
11,972,800
28 · 8-K
After-hours · 16:02 ET
FORM 8-K ↗
27 · 10-Q
After-hours · 16:01 ET
10-Q ↗
7.9700
8.1800
7.4700
7.6200
11,709,800
26 · 8-K
Pre-market · 06:11 ET
FORM 8-K ↗
7.9000
8.2300
7.6100
8.0700
10,501,600
8.4900
8.6000
7.5400
7.6700
16,233,700
Weekend
Weekend
6.6400
8.4900
6.5400
8.3200
24,053,900
25 · 8-K
Pre-market · 08:09 ET
FORM 8-K ↗
6.6900
7.0800
6.2400
7.0600
17,612,300
6.6800
6.8700
6.3500
6.3600
12,262,300
6.5000
7.2500
6.4500
6.9700
11,613,700
7.4400
7.7200
6.8500
7.0400
16,318,100
Weekend
Weekend
8.1400
8.3100
7.7100
8.0700
13,268,000
9.2500
9.3300
7.8900
8.3400
21,940,400
24 · 8-K
Pre-market · 08:05 ET
FORM 8-K ↗
8.9500
9.1400
8.1500
8.4000
20,673,800
8.9900
9.6800
8.9300
9.1400
13,061,400
10.1600
10.2700
8.9100
9.5700
27,802,800
Weekend
Weekend
11.9100
12.4900
11.4400
12.0100
14,549,700
12.5200
12.5600
11.6500
11.7300
15,557,900
12.0600
13.7100
11.5100
13.1100
27,890,400
12.5000
12.6400
11.2100
12.3900
24,044,000
13.3000
13.8400
11.0200
13.4300
31,869,400
23 · 8-K
Pre-market · 06:03 ET
FORM 8-K ↗
Weekend
Weekend
22 · 8-K
After-hours · 16:35 ET
FORM 8-K ↗
21 · 424B5
After-hours · 16:08 ET
424B5 ↗
11.0100
12.4000
10.6800
11.1900
19,399,600
13.8100
14.1300
11.8800
12.5600
22,815,900
20 · S-3ASR
Next filing day · accepted 15 Oct, 17:31 ET
S-3ASR ↗
15.9600
16.7100
12.8800
13.7600
41,603,600
19.5000
19.7100
15.4200
17.4700
53,749,300
19 · 8-K
Next filing day · accepted 10 Oct, 17:54 ET
FORM 8-K ↗
14.6900
17.2700
13.3600
16.7100
45,854,800
Weekend
Weekend
18 · 424B5
After-hours · 17:28 ET
424B5 ↗
12.0000
13.9300
11.4200
12.2100
35,904,100
17 · S-3MEF
Pre-market · 08:08 ET
S-3MEF ↗
10.2600
10.9700
10.0900
10.8800
19,425,100
9.4900
10.0400
9.2000
9.5200
21,930,200
8.4900
9.4900
8.4100
8.7000
20,387,700
16 · 8-K
Pre-market · 06:20 ET
FORM 8-K ↗
15 · 424B5
Pre-market · 06:18 ET
424B5 ↗
14 · 8-K
After market open · 09:32 ET
FORM 8-K ↗
8.2400
8.5900
7.6000
8.0900
15,999,400
Weekend
Weekend
7.6000
8.4000
7.4600
7.7500
12,260,800
7.6400
7.7500
7.2200
7.5100
8,271,100
6.7500
7.6800
6.6700
7.5500
18,193,400
6.3100
6.6300
5.9500
6.2000
6,488,100
6.4200
6.6800
6.2300
6.3900
6,218,100
Weekend
Weekend
6.4600
7.0000
6.0200
6.2500
9,873,700
6.5000
6.9600
6.1500
6.3100
11,130,300
7.8700
7.9700
6.4600
6.6700
14,867,900
7.0700
8.1700
6.9900
7.3000
29,007,500
13 · 8-K
Pre-market · 08:26 ET
FORM 8-K ↗
6.5000
6.5300
6.0500
6.4500
6,826,500
Weekend
Weekend
5.9800
6.6800
5.9400
6.4900
20,200,400
5.6800
5.9300
5.4800
5.8900
6,740,500
12 · 8-K
Next filing day · accepted 17 Sep, 17:43 ET
FORM 8-K ↗
11 · 424B5
Next filing day · accepted 17 Sep, 17:34 ET
424B5 ↗
5.3300
5.6800
5.2300
5.6000
5,658,200
5.1400
5.5000
5.0200
5.3200
8,340,700
4.9100
5.0900
4.8400
5.0700
4,634,000
Weekend
Weekend
4.5500
4.9600
4.4600
4.9300
4,918,400
4.7500
4.8000
4.5000
4.5900
4,633,900
4.5500
5.0000
4.5500
4.7100
6,214,900
4.3200
4.9500
4.3000
4.6200
5,158,600
4.4600
4.4800
4.3100
4.3100
3,240,400
Weekend
Weekend
4.6500
4.7200
4.2600
4.5100
4,799,800
4.3000
4.5900
4.2500
4.5800
3,905,600
4.3800
4.5400
4.2700
4.3100
3,610,200
10 · 8-K
Next filing day · accepted 02 Sep, 19:00 ET
FORM 8-K ↗
4.4500
4.5000
4.1400
4.3100
4,448,500
No trading
Weekend
Weekend
4.6000
4.6900
4.4300
4.5500
5,761,300
9 · 8-K
Next filing day · accepted 28 Aug, 19:29 ET
FORM 8-K ↗
4.5700
4.6800
4.3800
4.5700
4,591,400
8 · 424B5
Pre-market · 06:02 ET
424B5 ↗
4.8400
4.9300
4.5700
4.5900
6,381,900
4.9000
5.1300
4.8000
4.9400
7,422,000
4.7900
4.9800
4.5500
4.8200
8,761,600
Weekend
Weekend
4.5500
4.8300
4.4300
4.7200
9,232,700
4.3300
4.5900
4.2200
4.5400
5,021,500
4.1000
4.5400
3.9300
4.4000
7,469,400
4.5000
4.6200
4.0700
4.2600
7,206,100
7 · 8-K
Pre-market · 08:34 ET
FORM 8-K ↗
4.3700
4.5800
4.2300
4.4900
6,411,500
Weekend
Weekend
6 · 8-K
After market open · 11:26 ET
FORM 8-K ↗
4.1400
4.4200
3.9500
4.2700
7,026,800
3.9700
4.1500
3.8200
4.1300
6,007,100
3.8400
4.0100
3.4100
4.0100
10,181,000
5 · 10-Q
After-hours · 17:04 ET
FORM 10-Q ↗
4 · 8-K
After-hours · 16:47 ET
FORM 8-K ↗
3.8400
3.9100
3.6000
3.8200
5,019,200
3.8500
4.0400
3.6900
3.7900
7,526,900
Weekend
Weekend
3.7000
3.7900
3.4800
3.6400
4,848,300
3.4800
3.6200
3.4400
3.5200
3,446,200
3 · 8-K
Next filing day · accepted 06 Aug, 21:34 ET
FORM 8-K ↗
3.4500
3.5000
3.2600
3.4000
3,080,400
3.6000
3.6300
3.2700
3.4400
4,578,000
2 · 8-K
After market open · 13:38 ET
FORM 8-K ↗
3.0100
3.5900
3.0100
3.5500
6,966,800
Weekend
Weekend
2.9500
3.1100
2.8800
2.9600
3,615,000
2.8000
3.0800
2.8000
3.0600
4,182,600
3.0800
3.2000
2.8800
2.9200
5,308,300
3.3100
3.3500
3.0500
3.0700
3,246,100
3.3500
3.4100
3.1600
3.3400
2,832,100
Weekend
Weekend
1 · 8-K
After market open · 10:22 ET
FORM 8-K ↗
3.5300
3.6000
3.2400
3.3500
4,324,300
3.7500
3.8200
3.5300
3.6000
3,332,700
3.5900
3.7400
3.5100
3.7300
3,606,400
3.4700
3.5600
3.2800
3.5600
4,226,800
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.
53
8-K
FORM 8-K (opens SEC filing in a new tab)
Next filing day · accepted 15 Jun, 18:06 ET
Summarise
46
8-K
FORM 8-K (opens SEC filing in a new tab)
Next filing day · accepted 05 May, 20:51 ET
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45
DEFA14A
DEFA14A (opens SEC filing in a new tab)
Next filing day · accepted 24 Apr, 17:37 ET
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20
S-3ASR
S-3ASR (opens SEC filing in a new tab)
Next filing day · accepted 15 Oct, 17:31 ET
Summarise
19
8-K
FORM 8-K (opens SEC filing in a new tab)
Next filing day · accepted 10 Oct, 17:54 ET
Summarise
12
8-K
FORM 8-K (opens SEC filing in a new tab)
Next filing day · accepted 17 Sep, 17:43 ET
Summarise
11
424B5
424B5 (opens SEC filing in a new tab)
Next filing day · accepted 17 Sep, 17:34 ET
Summarise
10
8-K
FORM 8-K (opens SEC filing in a new tab)
Next filing day · accepted 02 Sep, 19:00 ET
Summarise
9
8-K
FORM 8-K (opens SEC filing in a new tab)
Next filing day · accepted 28 Aug, 19:29 ET
Summarise