Vistagen Therapeutics, Inc VTGN

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

Paper trade (simulated — no real money)

Fill: USD 0.2300 · FX 1 USD = 1.288650 SGD · about SGD 0.2964 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 3.19 → 0.23 · -92.8%
4.9002.5650.230 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 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
0.2200 0.2300 0.2200 0.2300 1,150,600
0.2400 0.2400 0.2200 0.2300 1,241,100
0.2400 0.2400 0.2300 0.2300 238,300
0.2300 0.2400 0.2300 0.2400 555,500
0.2300 0.2300 0.2300 0.2300 540,700
Weekend
Weekend
0.2400 0.2400 0.2300 0.2300 743,200
0.2500 0.2500 0.2300 0.2400 710,700
0.2500 0.2500 0.2400 0.2500 388,400
0.2500 0.2600 0.2300 0.2500 1,267,500
0.2600 0.2600 0.2500 0.2500 1,428,400
Weekend
Weekend
0.2600 0.2600 0.2500 0.2600 1,591,900
0.2300 0.2500 0.2300 0.2500 2,477,500
0.2300 0.2400 0.2300 0.2300 1,900,100
0.2400 0.2400 0.2300 0.2400 2,140,000
0.2500 0.2600 0.2400 0.2500 3,482,300
Weekend
Weekend
No trading
0.2400 0.2700 0.2400 0.2500 4,402,500
0.2200 0.2700 0.2100 0.2400 14,578,200
0.2100 0.2400 0.2000 0.2300 45,015,900
30 · 8-K Pre-market · 08:28 ET 8-K ↗
0.7100 0.8000 0.7000 0.7600 1,894,700
Weekend
Weekend
0.6300 0.7400 0.6200 0.7000 1,462,600
0.6400 0.6600 0.5900 0.6200 1,032,500
0.6200 0.6700 0.6100 0.6600 546,800
0.6500 0.6900 0.6100 0.6300 901,400
0.7100 0.7100 0.6200 0.6400 1,204,100
Weekend
Weekend
No trading
0.6900 0.7300 0.6700 0.6700 1,085,100
29 · 8-K After-hours · 17:13 ET 8-K ↗
0.7100 0.7200 0.6500 0.6900 2,043,300
0.5800 0.7100 0.5300 0.6900 4,394,300
28 · 10-K After-hours · 16:50 ET 10-K ↗ 27 · 8-K After-hours · 16:35 ET 8-K ↗
0.6000 0.6100 0.5700 0.5700 1,028,700
Weekend
Weekend
0.5700 0.6100 0.5600 0.5800 677,800
0.5300 0.5700 0.5200 0.5700 958,900
0.5400 0.5600 0.5200 0.5400 489,800
26 · 8-K After-hours · 17:04 ET 8-K ↗
0.5400 0.5700 0.5200 0.5400 477,800
0.5800 0.5800 0.5300 0.5400 520,300
Weekend
Weekend
0.5700 0.5800 0.5400 0.5400 494,700
0.5600 0.5800 0.5500 0.5800 292,600
0.5900 0.5900 0.5600 0.5600 572,300
0.6500 0.6600 0.5500 0.5800 1,738,900
0.6300 0.6600 0.6200 0.6500 614,500
Weekend
Weekend
0.6500 0.6600 0.6200 0.6300 651,600
0.6100 0.6500 0.6000 0.6300 753,700
0.6500 0.6500 0.6200 0.6200 327,300
0.6500 0.6500 0.6400 0.6400 287,700
No trading
Weekend
Weekend
0.6300 0.6800 0.6300 0.6500 543,100
0.6400 0.6700 0.6200 0.6400 261,300
0.6300 0.6700 0.6100 0.6400 390,600
25 · 8-K After-hours · 16:30 ET 8-K ↗
0.6000 0.6400 0.5600 0.6300 859,100
0.6300 0.6300 0.5900 0.6000 543,100
Weekend
Weekend
0.6400 0.6400 0.6100 0.6200 661,900
0.6500 0.6800 0.6300 0.6500 560,200
0.6100 0.6600 0.6100 0.6600 885,000
0.6200 0.6600 0.5800 0.6200 6,365,800
24 · 8-K Pre-market · 07:44 ET 8-K ↗
0.6100 0.7000 0.6100 0.6700 1,323,700
Weekend
Weekend
23 · 8-K After-hours · 16:30 ET 8-K ↗
0.6000 0.6400 0.6000 0.6100 1,181,700
0.6100 0.6100 0.5800 0.5900 317,600
0.6000 0.6200 0.5900 0.6100 238,500
0.6300 0.6300 0.6000 0.6000 235,500
0.6300 0.6700 0.6100 0.6200 605,600
Weekend
Weekend
0.6100 0.6400 0.6000 0.6300 427,100
0.6000 0.6200 0.5900 0.6100 225,600
0.5900 0.6000 0.5800 0.6000 377,600
22 · 8-K After-hours · 16:13 ET 8-K ↗
0.5800 0.6100 0.5700 0.6000 505,000
0.6000 0.6000 0.5700 0.5700 392,000
Weekend
Weekend
0.5700 0.5900 0.5500 0.5900 502,100
0.6000 0.6000 0.5600 0.5700 684,100
0.6000 0.6100 0.5700 0.6000 7,713,700
0.6100 0.6300 0.5900 0.6100 368,300
0.6300 0.6400 0.6000 0.6100 603,000
Weekend
Weekend
0.5900 0.6500 0.5900 0.6300 1,191,800
0.6300 0.6300 0.5800 0.6000 397,600
0.6100 0.6300 0.5900 0.6100 935,400
0.5900 0.6200 0.5900 0.6000 980,900
21 · 8-K After-hours · 17:27 ET 8-K ↗
0.5500 0.6300 0.5500 0.5800 1,257,200
Weekend
Weekend
0.5600 0.5800 0.5600 0.5600 290,300
0.5500 0.5700 0.5300 0.5600 168,300
0.5300 0.5600 0.5200 0.5500 383,100
0.5400 0.5800 0.5100 0.5400 587,400
0.5800 0.5800 0.5400 0.5400 570,000
Weekend
Weekend
No trading
20 · 8-K After-hours · 16:16 ET 8-K ↗
0.6000 0.6100 0.5900 0.5900 329,800
0.6000 0.6300 0.5900 0.6000 816,900
0.5400 0.5900 0.5400 0.5700 314,800
0.5700 0.5700 0.5400 0.5500 360,200
Weekend
Weekend
0.5900 0.6100 0.5600 0.5700 532,000
0.6000 0.6200 0.5900 0.6000 381,300
0.6200 0.6500 0.6100 0.6100 388,100
0.6100 0.6300 0.6100 0.6200 178,700
0.6200 0.6300 0.6100 0.6200 247,000
Weekend
Weekend
0.6500 0.6500 0.6000 0.6100 436,900
0.6000 0.6500 0.5900 0.6400 501,100
19 · 8-K After-hours · 16:45 ET 8-K ↗
0.6500 0.6500 0.6000 0.6100 444,000
0.6300 0.6700 0.6200 0.6500 654,000
18 · 8-K After-hours · 16:10 ET 8-K ↗
0.6000 0.6400 0.6000 0.6300 522,300
Weekend
Weekend
0.6300 0.6300 0.6000 0.6100 471,400
0.5900 0.6400 0.5900 0.6300 512,800
0.5600 0.6100 0.5600 0.6000 551,200
17 · 8-K Pre-market · 07:02 ET 8-K ↗
0.6100 0.6300 0.6000 0.6100 290,700
0.5900 0.6200 0.5800 0.6200 448,000
Weekend
Weekend
0.6100 0.6100 0.5900 0.6100 660,900
0.6000 0.6200 0.6000 0.6100 454,900
0.6100 0.6500 0.6100 0.6100 813,900
0.6000 0.6300 0.5800 0.6100 672,500
0.5600 0.6200 0.5600 0.6000 501,300
Weekend
Weekend
0.6000 0.6200 0.5700 0.5900 511,400
0.5800 0.6200 0.5700 0.6100 1,048,600
0.5600 0.5900 0.5400 0.5800 425,600
0.5600 0.5800 0.5500 0.5600 315,900
0.5600 0.5900 0.5500 0.5500 705,400
Weekend
Weekend
0.5900 0.6000 0.5600 0.5600 577,300
16 · 8-K Pre-market · 09:12 ET 8-K ↗
0.5200 0.6000 0.5100 0.5900 1,303,900
0.5100 0.5300 0.5000 0.5200 461,100
0.5200 0.5800 0.4900 0.5300 1,589,200
No trading
Weekend
Weekend
0.4800 0.5200 0.4300 0.5100 3,320,500
15 · 10-Q After-hours · 16:38 ET 10-Q ↗ 14 · 8-K After-hours · 16:35 ET 8-K ↗
0.5800 0.5800 0.5300 0.5500 1,874,000
0.5800 0.5800 0.5400 0.5700 810,900
0.5600 0.6000 0.5400 0.5600 1,062,000
0.5300 0.5600 0.5200 0.5600 787,400
Weekend
Weekend
13 · 8-K After-hours · 16:12 ET 8-K ↗
0.5100 0.5700 0.5000 0.5600 1,739,800
0.5200 0.5400 0.5000 0.5100 968,100
0.5500 0.5600 0.5100 0.5300 849,400
0.5800 0.6000 0.5400 0.5400 1,095,800
0.5600 0.6000 0.5600 0.5800 571,200
Weekend
Weekend
0.5400 0.5700 0.5400 0.5600 712,400
0.5700 0.5800 0.5400 0.5400 1,851,700
0.6100 0.6200 0.5800 0.5900 1,053,800
0.6300 0.6300 0.6000 0.6100 928,400
0.6400 0.6500 0.6200 0.6200 773,200
Weekend
Weekend
0.6600 0.6600 0.6400 0.6500 773,000
0.6400 0.6800 0.6400 0.6600 1,375,600
0.6500 0.6600 0.6200 0.6300 918,900
0.6500 0.6600 0.6400 0.6500 1,021,700
No trading
Weekend
Weekend
0.6800 0.6900 0.6600 0.6600 1,170,500
0.7100 0.7100 0.6700 0.6700 936,300
0.6700 0.7400 0.6700 0.7000 1,854,000
0.7100 0.7100 0.6700 0.6900 1,104,500
0.6800 0.7200 0.6600 0.7000 1,946,100
Weekend
Weekend
12 · 8-K After-hours · 17:26 ET 8-K ↗
0.7100 0.7100 0.6600 0.6600 1,729,100
0.7400 0.7500 0.7000 0.7000 788,900
0.7300 0.7700 0.7200 0.7400 1,603,400
0.7300 0.7400 0.6900 0.7200 1,420,300
0.6900 0.7300 0.6800 0.7200 2,367,800
Weekend
Weekend
0.6600 0.7000 0.6400 0.6800 2,002,900
No trading
0.6700 0.7100 0.6300 0.6600 2,765,100
0.6600 0.6900 0.6600 0.6800 1,678,600
0.7300 0.7300 0.6500 0.6600 3,242,700
Weekend
Weekend
0.7300 0.7500 0.6800 0.7300 2,708,600
No trading
0.7100 0.7400 0.7000 0.7300 1,772,500
0.7500 0.7500 0.7100 0.7100 3,407,600
11 · 8-K After-hours · 17:29 ET 8-K ↗
0.7700 0.8400 0.7500 0.7500 6,159,300
Weekend
Weekend
0.7000 0.7800 0.6800 0.7800 7,468,300
0.8200 0.8400 0.7300 0.7400 11,263,700
0.8800 0.9700 0.7500 0.8600 73,529,200
4.3800 4.5000 4.3000 4.3600 605,400
4.3000 4.4800 4.1600 4.3900 1,001,200
Weekend
Weekend
3.9900 4.3700 3.9600 4.2500 744,400
4.5000 4.5600 3.9100 3.9500 1,464,400
4.5100 4.5600 4.4100 4.5300 499,300
4.2900 4.6000 4.2200 4.5500 766,600
4.4500 4.5500 4.1100 4.2900 761,700
Weekend
Weekend
4.4000 4.4200 4.0200 4.3300 1,006,300
3.8000 4.3200 3.7400 4.2800 1,202,000
10 · 8-K After-hours · 16:47 ET 8-K ↗
3.6000 3.8200 3.3600 3.7300 1,420,200
4.4100 4.4200 3.5400 3.6000 1,554,300
4.8700 4.9100 4.3900 4.4300 660,900
Weekend
Weekend
4.5900 4.9700 4.5800 4.9000 544,600
No trading
4.6800 4.8500 4.5300 4.5400 454,800
4.7000 4.9400 4.5000 4.6900 1,263,400
4.6500 5.1400 4.6500 4.7200 1,577,500
Weekend
Weekend
4.4700 4.6100 4.3400 4.5900 527,700
4.6200 4.8000 4.3300 4.4500 1,695,200
4.6300 4.8800 4.4400 4.5000 724,700
4.4200 4.8800 4.4000 4.6300 1,338,300
3.8500 4.7900 3.7600 4.4200 1,957,900
Weekend
Weekend
3.7200 3.8400 3.6000 3.8000 308,300
9 · 10-Q After-hours · 16:35 ET 10-Q ↗ 8 · 8-K After-hours · 16:34 ET 8-K ↗
4.0400 4.1000 3.7600 3.8000 332,000
4.0400 4.1300 3.9400 4.0700 253,400
3.9600 4.0400 3.8200 4.0300 408,700
4.0100 4.1000 3.8600 3.9800 289,900
Weekend
Weekend
3.9500 4.0200 3.6900 3.9900 595,400
4.2300 4.2300 3.9700 4.0200 270,700
4.1500 4.2800 4.0500 4.1800 283,200
7 · 8-K After-hours · 16:10 ET 8-K ↗
4.1800 4.3000 4.0600 4.0700 402,100
4.2400 4.6500 4.1300 4.2400 1,172,600
Weekend
Weekend
3.7700 3.9700 3.7100 3.9400 231,500
3.9600 4.0700 3.6900 3.7500 340,000
6 · 8-K After-hours · 17:24 ET 8-K ↗
3.9500 4.0900 3.8000 3.9600 547,200
3.8800 4.1000 3.8000 4.0500 433,000
4.1100 4.1100 3.8600 3.9000 458,800
Weekend
Weekend
4.2000 4.3000 4.0500 4.0700 401,200
4.1000 4.3800 4.1000 4.1600 429,900
4.1800 4.2000 3.9000 4.1000 676,100
4.4000 4.5000 4.2100 4.2300 507,200
4.1400 4.5200 4.1400 4.4800 733,900
Weekend
Weekend
4.0000 4.1000 3.8500 4.0500 379,200
4.1000 4.3300 3.9800 4.0500 632,500
4.0500 4.1300 3.9500 4.0000 297,100
3.9100 4.1300 3.8500 4.0100 637,800
4.1000 4.1000 3.8400 3.9100 348,600
Weekend
Weekend
4.2300 4.2300 3.8200 4.0300 713,200
4.0200 4.3900 4.0200 4.2100 951,200
4.0400 4.1800 3.9400 4.0200 553,200
4.0900 4.2500 3.8500 3.9600 880,500
3.6500 4.0300 3.6000 3.8900 1,001,600
Weekend
Weekend
3.6100 3.7100 3.4800 3.6500 506,000
3.6000 3.6500 3.4400 3.6000 190,900
3.5400 3.7500 3.5100 3.5500 416,900
3.5300 3.5600 3.4000 3.5500 222,000
3.5900 3.6300 3.4200 3.5400 350,400
Weekend
Weekend
3.3700 3.5800 3.3100 3.5300 287,400
3.4200 3.5300 3.3100 3.3700 348,700
3.4300 3.7400 3.4000 3.4700 701,500
3.4000 3.5300 3.3300 3.4400 400,500
2.9900 3.3700 2.9900 3.3300 3,519,200
Weekend
Weekend
2.9700 3.0300 2.9100 2.9800 533,500
2.9000 3.0600 2.9000 3.0400 301,000
2.9500 3.0200 2.8500 2.9000 350,100
3.1600 3.2000 2.8400 2.9100 857,400
5 · 8-K After-hours · 16:50 ET 8-K ↗
3.4500 3.5100 3.2200 3.2500 362,900
Weekend
Weekend
3.5300 3.5300 3.3700 3.3900 318,900
3.5700 3.6000 3.4400 3.5000 242,400
3.5900 3.6300 3.5000 3.5700 169,600
3.5000 3.6400 3.4600 3.6100 298,800
3.5300 3.5800 3.4500 3.4800 254,700
Weekend
Weekend
3.6300 3.7000 3.5200 3.5500 273,900
3.8400 3.8800 3.5900 3.6200 346,300
3.5200 3.7000 3.4800 3.6900 413,500
3.3500 3.6000 3.3400 3.5200 679,100
No trading
Weekend
Weekend
3.2300 3.3700 3.1400 3.3400 586,600
3.2100 3.3200 3.1400 3.2300 256,100
3.1300 3.2400 3.1100 3.1800 358,500
3.0800 3.1400 3.0200 3.1000 207,800
3.1500 3.1900 3.0100 3.0300 266,700
Weekend
Weekend
3.0600 3.2600 3.0600 3.1700 205,400
3.0600 3.1800 3.0000 3.0600 232,900
3.1800 3.2300 2.9600 3.1000 521,100
3.4300 3.4500 3.1100 3.1700 595,800
3.3500 3.5800 3.3100 3.4000 1,120,500
Weekend
Weekend
2.9700 3.3500 2.9500 3.3100 5,246,500
2.8200 3.0000 2.8200 2.9600 232,500
2.9000 3.0500 2.8400 2.9300 284,300
2.8500 2.9200 2.8400 2.8600 173,300
3.0000 3.0400 2.8100 2.8400 314,000
Weekend
Weekend
2.7700 3.0400 2.7200 2.9700 449,100
4 · 10-Q After-hours · 16:57 ET 10-Q ↗ 3 · 8-K After-hours · 16:56 ET 8-K ↗
2.9600 3.0000 2.7100 2.7300 512,600
2.9100 2.9800 2.8200 2.9700 170,900
2.9100 2.9400 2.8000 2.9200 126,400
2.9300 3.0000 2.8000 2.9100 115,700
Weekend
Weekend
2.8400 2.9400 2.7000 2.9200 329,600
3.0000 3.0500 2.8200 2.8700 372,300
3.0800 3.1500 2.9000 2.9500 403,800
3.2300 3.3300 2.9300 3.0600 772,100
2 · DEFA14A After-hours · 17:16 ET DEFA14A ↗ 1 · DEF 14A After-hours · 17:14 ET DEF 14A ↗
3.1500 3.3100 3.0000 3.1900 1,052,900
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.

30 8-K 8-K (opens SEC filing in a new tab) Pre-market · 08:28 ET Summarise
29 8-K 8-K (opens SEC filing in a new tab) After-hours · 17:13 ET Summarise
28 10-K 10-K (opens SEC filing in a new tab) After-hours · 16:50 ET Summarise
27 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:35 ET Summarise
26 8-K 8-K (opens SEC filing in a new tab) After-hours · 17:04 ET Summarise
25 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:30 ET Summarise
24 8-K 8-K (opens SEC filing in a new tab) Pre-market · 07:44 ET Summarise
23 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:30 ET Summarise
22 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:13 ET Summarise
21 8-K 8-K (opens SEC filing in a new tab) After-hours · 17:27 ET Summarise
20 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:16 ET Summarise
19 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:45 ET Summarise
18 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:10 ET Summarise
17 8-K 8-K (opens SEC filing in a new tab) Pre-market · 07:02 ET Summarise
16 8-K 8-K (opens SEC filing in a new tab) Pre-market · 09:12 ET Summarise
15 10-Q 10-Q (opens SEC filing in a new tab) After-hours · 16:38 ET Summarise
14 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:35 ET Summarise
13 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:12 ET Summarise
12 8-K 8-K (opens SEC filing in a new tab) After-hours · 17:26 ET Summarise
11 8-K 8-K (opens SEC filing in a new tab) After-hours · 17:29 ET Summarise
10 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:47 ET Summarise
9 10-Q 10-Q (opens SEC filing in a new tab) After-hours · 16:35 ET Summarise
8 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:34 ET Summarise
7 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:10 ET Summarise
6 8-K 8-K (opens SEC filing in a new tab) After-hours · 17:24 ET Summarise
5 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:50 ET Summarise
4 10-Q 10-Q (opens SEC filing in a new tab) After-hours · 16:57 ET Summarise
3 8-K 8-K (opens SEC filing in a new tab) After-hours · 16:56 ET Summarise
2 DEFA14A DEFA14A (opens SEC filing in a new tab) After-hours · 17:16 ET Summarise
1 DEF 14A DEF 14A (opens SEC filing in a new tab) After-hours · 17:14 ET Summarise