XOOMAR

Vistagen Therapeutics (VTGN)

Vistagen Therapeutics on one page: short interest, daily short volume, fails to deliver, large holders, 13F holders, earnings dates and insider trades. Listed on Nasdaq, classified by the SEC as pharmaceutical preparations.

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2.5M

Short interest

settlement 2026-10-15

2.2

Days to cover

+1.2 days vs prior

62.5%

Short share of volume

2026-11-02

463

Fails to deliver

settlement 2026-10-13

Thu 12 Nov

Next earnings

estimated date

$0

Insider flow, 90 days

0 buys, 0 sells

As of 2026-11-02.

Short interest

FINRA, twice a month. The newest 48 settlements in the table, 48 in the chart. JSON

As of 15 October 2026, short interest in VTGN is 2,472,435 shares, down 234,585 shares over the last month. Over the last 48 readings it ranged from 409,632 shares (13 December 2024) to 3,750,912 shares (30 September 2026). At the reported average volume of 1.1M shares a day that is 2.2 days to cover.

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SettlementShares shortChangeAvg daily volumeDays to cover
2026-10-152,472,435-34.1%1,137,3942.17
2026-09-303,750,912+38.6%55,161,9681.00
2026-09-152,707,020+27.3%354,1487.64
2026-08-312,126,593+8.9%762,7702.79
2026-08-141,952,907-2.6%13,056,7721.00
2026-07-312,005,860+25.7%823,2692.44
2026-07-151,596,248+0.3%3,306,1711.00
2026-06-301,591,673-6.7%5,765,0831.00
2026-06-151,705,050-15.6%705,9562.42
2026-05-292,020,399+12.4%503,2024.02
2026-05-151,797,894+2.2%1,120,6811.60
2026-04-301,758,461+2.8%1,133,6371.55
2026-04-151,711,402+21.3%628,2572.72
2026-03-311,410,489+9.1%410,0053.44
2026-03-131,293,080-14.9%535,7582.41
2026-02-271,519,296-5.6%727,0782.09
2026-02-131,609,597-20.9%1,300,9661.24
2026-01-302,036,211-16.6%1,051,0591.94
2026-01-152,441,031-27.9%1,563,1451.56
2025-12-313,385,220+88.9%10,198,7931.00
2025-12-151,791,894+40.6%992,4421.81
2025-11-281,274,319-16.0%1,113,4361.14
2025-11-141,517,368+11.8%428,4883.54
2025-10-311,357,492+1.4%478,8582.83
2025-10-151,338,753-0.4%583,6772.29
2025-09-301,343,811+15.7%710,6941.89
2025-09-151,161,410+22.7%331,4623.50
2025-08-29946,396+55.7%431,4332.19
2025-08-15607,798+27.4%719,8891.00
2025-07-31477,221-5.0%530,9351.00
2025-07-15502,316+8.8%381,0681.32
2025-06-30461,849-3.4%248,8091.86
2025-06-13478,074-10.4%129,5143.69
2025-05-30533,808+2.1%199,5732.67
2025-05-15522,635+9.7%92,8685.63
2025-04-30476,262-8.0%106,1244.49
2025-04-15517,544-3.4%130,2603.97
2025-03-31535,628-9.9%130,1894.11
2025-03-14594,670-8.6%122,6394.85
2025-02-28650,436-2.9%175,7203.70
2025-02-14669,798-10.0%232,2042.88
2025-01-31744,387+13.1%124,8275.96
2025-01-15658,063+46.3%322,0212.04
2024-12-31449,967+9.8%466,3831.00
2024-12-13409,632-3.7%197,8472.07
2024-11-29425,445-0.5%206,9232.06
2024-11-15427,512-19.1%257,1011.66
2024-10-31528,162-18.1%256,9222.06

Daily short volume

FINRA Reg SHO, the last 30 sessions. JSON

As of 2 November 2026, the short share of VTGN volume is 62.5%, up 18.1 points over the last five sessions. Over the last 30 readings it ranged from 23.5% (13 October 2026) to 68.7% (21 October 2026). The latest reading is 14.6 points above the 30-session average of 47.8%, on 432K shares reported.

DateShort volumeTotal volumeShort shareExempt
2026-11-02270K432K62.5%0
2026-10-30130K256K50.8%0
2026-10-29189K280K67.7%0
2026-10-28276K480K57.5%6,541
2026-10-27128K268K48.0%0
2026-10-26155K350K44.4%0
2026-10-23406K778K52.2%0
2026-10-22182K462K39.5%9,492
2026-10-21193K280K68.7%0
2026-10-20125K322K38.9%0
2026-10-19264K762K34.6%7,900
2026-10-16194K284K68.3%0
2026-10-15310K637K48.6%0
2026-10-14241K603K40.0%1
2026-10-13172K730K23.5%400
2026-10-12222K433K51.3%300
2026-10-09111K238K46.8%0
2026-10-08194K378K51.3%2,746
2026-10-07111K359K30.9%2,789
2026-10-06328K842K39.0%201
2026-10-05603K1.3M45.0%42,600
2026-10-02352K785K44.9%4,800
2026-10-01593K1.3M45.4%2,570
2026-09-30467K1.4M33.1%5,101
2026-09-29597K1.4M43.6%33,692
2026-09-282.3M4.4M51.8%355,298
2026-09-251.1M2.8M40.7%132,599
2026-09-246.5M11.2M57.9%1,229,730
2026-09-23134.9M233.0M57.9%862,293
2026-09-221.5M3.0M50.6%206

Fails to deliver

SEC, the last 30 settlement dates with a fail. JSON

As of 13 October 2026, the fails-to-deliver balance in VTGN is 463 shares, down 170,775 shares over the last settlement date. Over the last 30 readings it ranged from 1 share (21 May 2026) to 2,641,884 shares (24 September 2026). The latest reading sits at the bottom of that range.

SettlementShares failedPriceValue
2026-10-13463$0.23$106
2026-09-29171,238$0.30$51K
2026-09-25383,160$0.30$115K
2026-09-242,641,884$0.37$977K
2026-09-1013,408$0.24$3K
2026-09-09561$0.24$135
2026-09-0817,104$0.24$4K
2026-09-0117,391$0.26$5K
2026-08-2697,244$0.25$24K
2026-08-1933,087$0.24$8K
2026-08-1744$0.27$12
2026-08-12367$0.27$99
2026-08-1118,583$0.26$5K
2026-08-074,811$0.28$1K
2026-08-05153,717$0.30$46K
2026-08-0424,312$0.25$6K
2026-08-0343,229$0.24$10K
2026-07-316,852$0.24$2K
2026-07-29100,990$0.23$23K
2026-07-2877,614$0.23$18K
2026-07-2783,848$0.23$19K
2026-07-101,000$0.25$250
2026-07-0733,266$0.25$8K
2026-07-01208,725$0.23$48K
2026-06-301,719$0.76$1K
2026-05-2940,349$0.63$25K
2026-05-211$0.64$1
2026-05-152$0.65$1
2026-05-061,434$0.60$860
2026-05-013$0.61$2

Insider trades

SEC Form 4, newest first. JSON

No open-market insider trades were reported for VTGN in the last 90 days. The most recent filings are listed below. Latest filing: Tressler Nick B. (Chief Financial Officer) on 2026-06-30.

DateInsiderTitleTypeSharesPriceValueOwned after
2026-06-30Tressler Nick B.Chief Financial OfficerGrant12K$0.19$2K12K
2026-06-30Singh ShawnPresident and CEOGrant37K$0.19$7K55K
2026-06-30Adler Reid G.Chief Legal OfficerGrant37K$0.19$7K61K
2025-12-31Prince Joshua S.Chief Operating OfficerGrant4K$0.56$2K15K
2025-06-30Singh ShawnPresident and CEOGrant8K$1.70$13K18K
2025-06-30Prince Joshua S.Chief Operating OfficerGrant5K$1.70$8K11K
2025-06-30Anderson Cynthia LynnCHIEF FINANCIAL OFFICERGrant7K$1.70$11K13K
2025-06-30Adler Reid G.Chief Legal OfficerGrant8K$1.70$13K24K
2024-12-31Anderson Cynthia LynnCHIEF FINANCIAL OFFICERGrant3K$2.51$7K6K
2024-12-31Prince Joshua S.Chief Operating OfficerGrant3K$2.51$8K6K
2024-06-28Singh ShawnCHIEF EXECUTIVE OFFICERGrant5K$2.96$14K10K
2024-06-28Adler Reid G.CHF CORP DEVEL OFF, GEN COUNSGrant5K$2.96$14K17K
2024-06-28Anderson Cynthia LynnCHIEF FINANCIAL OFFICERGrant4K$2.96$11K4K
2024-06-28Prince Joshua S.Chief Operating OfficerGrant3K$2.96$8K3K
2023-12-29Singh ShawnCHIEF EXECUTIVE OFFICERGrant167$1.72$2876K
2023-12-29Adler Reid G.CHF CORP DEVEL OFF, GEN COUNSGrant167$1.72$28712K
2023-08-07COMMODORE CAPITAL LPTenPercentOwnerBuy776K$23.15$18.0M1.6M
2023-06-30DOTSON JERROLD DUANEVP, CFOGrant167$1.59$2664K
2023-06-30Adler Reid G.CHIEF LEGAL OFFICERGrant167$1.59$26611K
2023-06-30Singh ShawnCHIEF EXECUTIVE OFFICERGrant167$1.59$2665K
2022-12-30Singh ShawnCHIEF EXECUTIVE OFFICERGrant5K$0.09$450159K
2022-12-30DOTSON JERROLD DUANEVP, CFO AND SECRETARYGrant5K$0.09$450105K
2022-08-18GIN JERRY BDirectorBuy100K$0.18$18K100K
2022-08-18GIN JERRY BDirectorBuy100K$0.18$18K100K
2022-08-17Singh ShawnCHIEF EXECUTIVE OFFICERBuy600K$0.17$102K626K
2022-08-17Adler Reid G.CHIEF LEGAL OFFICERBuy300K$0.17$51K335K
2022-07-30DOTSON JERROLD DUANEVP, CFO AND SECRETARYGrant5K$0.75$4K100K
2022-07-12VHCP Management II, LLCTenPercentOwnerSell60K$0.89$53K20.6M
2022-06-30Smith Mark AlanCHIEF MEDICAL OFFICERGrant5K$0.75$4K20K
2022-06-30Singh ShawnCHIEF EXECUTIVE OFFICERGrant5K$0.75$4K154K
2022-05-12Singh ShawnCHIEF EXECUTIVE OFFICERExercise or conversion100K$1.00$100K149K
2022-01-11DOTSON JERROLD DUANEVP, CFO AND SECRETARYExercise or conversion19K$1.00$19K95K
2021-12-31Singh ShawnCHIEF EXECUTIVE OFFICERGrant4K$1.66$6K49K
2021-12-31UnknownPRES./CHIEF SCIENTIFIC OFFICERGrant4K$1.66$6K65K
2021-12-31DOTSON JERROLD DUANEVP, CFO AND SECRETARYGrant4K$1.66$6K76K
2021-12-31Smith Mark AlanCHIEF MEDICAL OFFICERGrant3K$1.66$4K15K
2021-09-07DOTSON JERROLD DUANEVP, CFO AND SECRETARYSell30K$3.13$94K73K
2021-09-02SNODGRASS H. RALPHPRES./CHIEF SCIENTIFIC OFFICERGift1K$0.00$061K
2021-08-23SNODGRASS H. RALPHPRES./CHIEF SCIENTIFIC OFFICERGift740$0.00$034K
2021-08-17SNODGRASS H. RALPHPRES./CHIEF SCIENTIFIC OFFICERBuy4K$2.73$10K35K
2021-06-30Singh ShawnCHIEF EXECUTIVE OFFICERGrant5K$1.95$10K45K
2021-06-30Smith Mark AlanCHIEF MEDICAL OFFICERGrant2K$1.95$4K12K
2021-06-30SNODGRASS H. RALPHPRES./CHIEF SCIENTIFIC OFFICERGrant3K$1.95$7K91K
2021-06-30DOTSON JERROLD DUANEVP, CFO AND SECRETARYGrant3K$1.95$6K13K
2021-06-30DOTSON JERROLD DUANEVP, CFO AND SECRETARYExercise or conversion1K$1.50$2K14K
2021-06-30DOTSON JERROLD DUANEVP, CFO AND SECRETARYExercise or conversion79K$1.00$79K93K
2021-06-30DOTSON JERROLD DUANEVP, CFO AND SECRETARYExercise or conversion10K$0.40$4K103K
2021-04-23Singh ShawnCHIEF EXECUTIVE OFFICERExercise or conversion5K$1.50$8K40K
2021-03-19SAXE JON SDirectorExercise or conversion3K$1.50$4K6K
2021-03-19Underdown Brian J.DirectorExercise or conversion3K$1.50$4K3K
2020-12-31SNODGRASS H. RALPHPRES./CHIEF SCIENTIFIC OFFICERGrant5K$0.45$2K88K
2020-12-31Smith Mark AlanCHIEF MEDICAL OFFICERGrant5K$0.45$2K10K
2020-12-31DOTSON JERROLD DUANEVP, CFO AND SECRETARYGrant5K$0.45$2K10K
2020-12-31UnknownCHIEF EXECUTIVE OFFICERGrant5K$0.45$2K35K
2020-08-21SAXE JON SDirectorBuy30K$0.69$21K50K
2020-06-30Singh ShawnCHIEF EXECUTIVE OFFICERGrant5K$0.45$2K30K
2020-06-30DOTSON JERROLD DUANEVP, CFO AND SECRETARYGrant5K$0.45$2K5K
2020-06-30Smith Mark AlanCHIEF MEDICAL OFFICERGrant5K$0.45$2K5K
2020-06-30SNODGRASS H. RALPHPRES./CHIEF SCIENTIFIC OFFICERGrant5K$0.45$2K68K

Form 4 filings are due within two business days of the trade. Insiders sell for many reasons that say nothing about the company; open-market buys are rarer.

Large holders (13D and 13G)

One row per reporting person with its latest filing, newest first. JSON

7 holders report 5% or more of VTGN in their latest filing, all on Schedule 13G (passive). The largest reported stake is Commodore Capital LP at 9.9% of the class (4,244,590 shares), filed 2026-08-14.

FiledFormHolderSharesOf classEvent
2026-08-1413G/Ano. 2Chen Yuindividual3.0M6.7%2026-06-30
2026-08-1413G/Ano. 2TCG Crossover GP II, LLCother entity2.2M5.1%2026-06-30
2026-08-1413G/Ano. 2TCG Crossover Fund II, L.P.partnership2.2M5.1%2026-06-30
2026-08-1413G/Ano. 2TCG Crossover Fund I, L.P.partnership740K1.8%2026-06-30
2026-08-1413G/Ano. 2TCG Crossover GP I, LLCother entity740K1.8%2026-06-30
2026-08-1413G/Ano. 2ORBIMED CAPITAL LLCinvestment adviser00.0%2026-06-30
2026-08-1413G/Ano. 2ORBIMED ADVISORS LLCinvestment adviser00.0%2026-06-30
2026-08-1413G/Ano. 3Commodore Capital LPinvestment adviser, partnership4.2M9.9%n/a
2026-08-1413G/Ano. 3Commodore Capital Master LPpartnership4.2M9.9%n/a
2026-08-1413G/Ano. 3Robert Egen Atkinsonparent holding company, individual4.2M9.9%n/a
2026-08-1413G/Ano. 3Michael Kramarzparent holding company, individual4.2M9.9%n/a
2026-02-1713G/Ano. 1JANUS HENDERSON GROUP PLCparent holding company00.0%2025-12-31
2026-02-1713G/Ano. 7Dr. Jeffrey R. Jay, M.D.parent holding company, individual2.1M5.0%2025-12-31
2026-02-1713G/Ano. 7Ms. Lillian Nordahlparent holding company, individual2.1M5.0%2025-12-31
2026-02-1713G/Ano. 7Great Point Partners, LLCinvestment adviser, other entity2.1M5.0%2025-12-31
2026-02-1713G/Ano. 2StemPoint Capital LPinvestment adviser617K1.5%2025-12-31
2026-02-1713G/Ano. 2StemPoint Capital Management GP LLCother entity617K1.5%2025-12-31
2026-02-1713G/Ano. 2Michelle Rossparent holding company, individual617K1.5%2025-12-31
2026-02-1313G/Ano. 3Daniel Mackparent holding company2.0M4.7%2025-12-31
2026-02-1313G/Ano. 3Nantahala Capital Management, LLCinvestment adviser2.0M4.7%2025-12-31
2026-02-1313G/Ano. 3Wilmot B. Harkeyparent holding company2.0M4.7%2025-12-31
2026-01-3013G/Ano. 2The Vanguard Groupinvestment adviser1.8M4.6%2025-12-31

13F holders

Tracked managers holding VTGN at their latest 13F. JSON

3 of the 30 tracked managers held VTGN at their latest 13F, $372K in total at quarter-end prices. Two Sigma Investments is the largest at $192K (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 3 added shares and 0 cut.

FundQuarterSharesValueOf portfolioChange in shares
Two Sigma Investments2026-06-30848K$192K0.00%+378K
Renaissance Technologies2026-06-30731K$165K0.00%+439K
Citadel Advisors2026-06-3069K$16K0.00%new

Only the 30 tracked managers on the funds hub; a 13F reports long positions in US listed stock at quarter end, 45 days late, and says nothing about shorts or positions sold since.

What this page is

Vistagen Therapeutics in the regulatory record

Regulators publish company data in separate files that never sit next to each other: FINRA's twice-monthly short interest, its daily short sale volume, the SEC's fails-to-deliver counts, and each insider's Form 4. A company page puts those series for one ticker on one URL, with planned sales, large holders, 13F holders and financials beside them, so the short position, the daily flow, the settlement fails and what insiders are doing can be read together.

Each section has its own history table, a one-line summary of the latest figures and its own JSON and CSV links, and says when its source last updated.

This page follows Vistagen Therapeutics (VTGN), SEC CIK 1411685, listed on Nasdaq, classified by the SEC as pharmaceutical preparations. The cross-market tables live on the short interest and insider transactions hubs.

Source and updates

Short interest
FINRA consolidated short interestSource: FINRA.Twice a month, about eight business days after settlement. Latest 2026-10-15.JSON and CSV
Daily short volume
FINRA Reg SHO daily filesSource: FINRA.Every trading day, the morning after FINRA posts it. Latest 2026-11-02.JSON and CSV
Fails to deliver
SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-10-13.JSON and CSV
Large holders
SEC EDGAR Schedule 13D and 13GSource: SEC.New filings appear shortly after the SEC posts them. A 13D is due within five business days of crossing 5%; a 13G follows the passive schedule. Latest 2026-08-14.JSON and CSV
13F holders
SEC EDGAR Form 13F-HRSource: SEC.Quarterly, filed within 45 days of quarter end; 30 tracked managers. Latest 2026-06-30.JSON and CSV
Earnings dates
SEC EDGAR 8-K filings (Item 2.02)Source: SEC.Twice a day. Reported dates come from the company's 8-K filings; the next date is marked as an estimate until the 8-K arrives. Latest 2026-06-15.JSON and CSV
Insider trades
SEC EDGAR Form 4Source: SEC.New filings appear shortly after the SEC posts them; they're due two business days after the trade. Latest 2026-06-30.JSON and CSV
Company record
EDGAR filing index for CIK 1411685Ticker, name and exchange from the SEC's company list, refreshed weekly.
Rate limits
10 requests a minute without a key, 30 with a free key from a free account.

How to read it

  • Read the position against the flow: rising short interest with a high daily short share is new shorting; rising short interest with a normal short share is old shorts holding on.
  • Insider buys next to a large short position are rare and stand out; insider sells next to one are common and mean little.
  • Fails to deliver matter relative to the float, not in absolute shares; a million failed shares in a mega cap is noise.

Analysis of what the data shows, not advice. XOOMAR does not recommend buying, selling or holding anything.

Datasets

Frequently Asked Questions

How much of VTGN is sold short?
2,472,435 shares were held short at the 2026-10-15 settlement, 2.2 days of average volume. FINRA publishes the next count about eight business days after the 15th and the last business day of the month.
What is VTGN's daily short volume?
On 2026-11-02, 270,015 of the 432,145 VTGN shares reported to FINRA were sold short, 62.5% of the day's reported volume. Short volume is a flow for one day, not a position.
Does VTGN have fails to deliver?
The SEC's latest file shows 463 VTGN shares failed to deliver at settlement 2026-10-13. Fails are reported per settlement date and published twice a month with a lag.
Are VTGN insiders buying or selling?
No open-market insider trades were reported for VTGN in the last 90 days. The most recent filings are listed below. Latest filing: Tressler Nick B. (Chief Financial Officer) on 2026-06-30.
Who owns 5% or more of VTGN?
7 holders report 5% or more of VTGN in their latest filing, all on Schedule 13G (passive). The largest reported stake is Commodore Capital LP at 9.9% of the class (4,244,590 shares), filed 2026-08-14.
Which tracked 13F managers own VTGN?
3 of the 30 tracked 13F managers held VTGN shares at their latest filing, $372K in all. The largest: Two Sigma Investments (848K shares, $192K), Renaissance Technologies (731K shares, $165K), Ken Griffin's Citadel Advisors (69K shares, $16K).

Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.