XOOMAR
Get a free API key

Neuraxis (NRXS)

Neuraxis on one page: short interest, daily short volume, fails to deliver, large holders, 13F holders, earnings dates and insider trades. Listed on NYSE.

Download CSV

373K

Short interest

settlement 2026-09-30

1.6

Days to cover

-3.8 days vs prior

48.5%

Short share of volume

2026-10-22

435

Fails to deliver

settlement 2026-09-29

Wed 6 Jan

Next earnings

estimated date

3 people

Insiders buying, 30 days

$12K combined, latest 2026-10-08

$12K

Insider flow, 90 days

3 buys, 0 sells

As of 2026-10-22.

Short interest

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

As of 30 September 2026, short interest in NRXS is 372,805 shares, up 124,179 shares over the last month. Over the last 48 readings it ranged from 4,499 shares (31 January 2025) to 520,482 shares (29 May 2026). At the reported average volume of 236K shares a day that is 1.6 days to cover.

Embed this chart.The embed keeps its attribution line.
<iframe src="https://xoomar.com/embed/stocks/nrxs" width="100%" height="440" style="border:0;max-width:100%" loading="lazy" title="XOOMAR chart"></iframe>
PreviewDark previewAdd ?theme=dark to the src for a dark chart.
SettlementShares shortChangeAvg daily volumeDays to cover
2026-09-30372,805-1.1%235,9961.58
2026-09-15377,067+51.7%70,1085.38
2026-08-31248,626-39.5%67,9093.66
2026-08-14410,751-1.8%113,3743.62
2026-07-31418,135-11.3%83,6955.00
2026-07-15471,181+31.4%60,3987.80
2026-06-30358,654-29.3%100,5353.57
2026-06-15507,529-2.5%137,7263.69
2026-05-29520,482+29.2%105,0004.96
2026-05-15402,893+2.3%225,6251.79
2026-04-30393,690+49.4%197,4721.99
2026-04-15263,600+45.3%120,0822.20
2026-03-31181,362+18.1%273,7391.00
2026-03-13153,554+20.7%156,7311.00
2026-02-27127,259-28.1%158,3481.00
2026-02-13177,129+58.8%56,5163.13
2026-01-30111,525-38.1%96,3991.16
2026-01-15180,170-53.2%131,3721.37
2025-12-31384,610+124.9%1,624,6671.00
2025-12-15170,994-0.4%30,9615.52
2025-11-28171,718-10.9%74,9282.29
2025-11-14192,678-55.5%77,3422.49
2025-10-31433,496+2314.2%1,778,9721.00
2025-10-1517,956-59.2%60,9401.00
2025-09-3043,997+39.3%69,8791.00
2025-09-1531,584+6.7%29,5101.07
2025-08-2929,591+101.0%46,2661.00
2025-08-1514,721-48.2%60,0871.00
2025-07-3128,410+86.2%65,1681.00
2025-07-1515,259-19.7%104,4311.00
2025-06-3018,996-12.7%110,2191.00
2025-06-1321,755-62.1%193,0311.00
2025-05-3057,382+287.9%9,715,6821.00
2025-05-1514,795-1.5%27,7281.00
2025-04-3015,015-13.2%31,1751.00
2025-04-1517,292-46.6%45,9111.00
2025-03-3132,401+5.3%16,6171.95
2025-03-1430,765+174.6%24,9591.23
2025-02-2811,202+1.4%22,2331.00
2025-02-1411,047+145.5%17,2061.00
2025-01-314,499-62.7%25,7301.00
2025-01-1512,053+80.2%23,1741.00
2024-12-316,689-47.7%40,8291.00
2024-12-1312,782+124.6%34,9851.00
2024-11-295,692-50.3%13,3141.00
2024-11-1511,443+12.8%35,7371.00
2024-10-3110,146-20.3%8,6421.17
2024-10-1512,737+34.7%4,9702.56

Daily short volume

FINRA Reg SHO, the last 30 sessions. JSON

As of 22 October 2026, the short share of NRXS volume is 48.5%, up 20.2 points over the last five sessions. Over the last 30 readings it ranged from 28.3% (15 October 2026) to 73.6% (8 October 2026). The latest reading is in line with the 30-session average of 48.2%, on 39K shares reported.

DateShort volumeTotal volumeShort shareExempt
2026-10-2219K39K48.5%0
2026-10-2113K21K61.2%0
2026-10-2011K34K32.3%0
2026-10-1969K110K62.4%0
2026-10-1627K76K35.2%11
2026-10-15109K386K28.3%1,119
2026-10-1421K68K30.5%1,000
2026-10-1318K50K36.7%1,100
2026-10-1211K23K49.3%172
2026-10-0914K41K35.2%0
2026-10-0810K14K73.6%0
2026-10-0721K39K52.6%0
2026-10-0612K21K57.6%0
2026-10-0514K22K61.7%0
2026-10-027K18K39.0%0
2026-10-0133K64K51.5%0
2026-09-3016K29K56.1%0
2026-09-2914K33K42.8%1
2026-09-2814K25K56.5%0
2026-09-2530K62K47.7%0
2026-09-2421K61K33.9%1
2026-09-2311K24K45.1%0
2026-09-2245K67K67.5%1
2026-09-2121K53K40.1%600
2026-09-1826K58K44.4%700
2026-09-17120K248K48.4%1,807
2026-09-16332K611K54.3%229
2026-09-1516K30K52.9%0
2026-09-1435K80K43.7%0
2026-09-118K14K57.4%0

Fails to deliver

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

As of 29 September 2026, the fails-to-deliver balance in NRXS is 435 shares, down 250 shares over the last settlement date. Over the last 30 readings it ranged from 1 share (16 April 2026) to 7,541 shares (22 May 2026). The latest reading sits at the bottom of that range.

SettlementShares failedPriceValue
2026-09-29435$7.40$3K
2026-09-16685$5.70$4K
2026-09-1533$5.75$190
2026-09-14279$5.74$2K
2026-09-11275$5.69$2K
2026-09-101,154$5.73$7K
2026-09-08133$5.96$793
2026-08-31287$6.00$2K
2026-08-2620$6.04$121
2026-08-191,750$6.26$11K
2026-08-12158$6.35$1K
2026-07-305$6.04$30
2026-07-271,300$6.80$9K
2026-07-224,597$7.01$32K
2026-07-13500$7.14$4K
2026-07-101,375$7.21$10K
2026-07-091,006$7.08$7K
2026-06-29153$7.27$1K
2026-06-26779$6.91$5K
2026-06-2514$6.80$95
2026-06-225,772$7.15$41K
2026-06-17384$6.71$3K
2026-06-087,535$6.84$52K
2026-06-03137$7.01$960
2026-05-283,638$7.45$27K
2026-05-227,541$7.43$56K
2026-05-1914$7.41$104
2026-05-071,370$8.81$12K
2026-04-161$7.00$7
2026-03-3099$6.90$683

Insider trades

SEC Form 4, newest first. JSON

Insiders at NRXS reported 3 open-market buys worth $12K in the last 90 days and no open-market sells. Latest filing: Henrichs Timothy Robert (Chief Financial Officer) on 2026-10-08.

DateInsiderTitleTypeSharesPriceValueOwned after
2026-10-08Henrichs Timothy RobertChief Financial OfficerBuy2K$4.84$9K10K
2026-10-08Carrico Thomas JoesephCRO, CCO, CPOBuy328$4.84$2K200K
2026-10-08Carrico Brian AllenChief Executive OfficerBuy268$4.84$1K228K
2026-08-24Carrico Brian AllenChief Executive OfficerGrant199Kprice not stated in the filingnot stated227K
2026-08-24Carrico Thomas JoesephCRO, CCO, CPOGrant194Kprice not stated in the filingnot stated199K
2026-08-24Miranda AdrianCMO, SVP Science & TechGrant199Kprice not stated in the filingnot stated199K
2026-08-13Aharon GilDirectorGrant44K$6.28$276K80K
2026-08-13Watkins Bradley MitchellDirectorGrant26K$6.28$164K72K
2026-08-13Keyser Jane ElizabethDirectorGrant26K$6.28$164K72K
2026-08-13Ferge Kristin ADirectorGrant31K$6.28$196K67K
2026-07-29Aharon GilDirectorGrant40Kprice not stated in the filingnot stated548K
2026-07-29Aharon GilDirectorGrant2Kprice not stated in the filingnot stated36K
2026-04-28Aharon GilDirectorGrant12Kprice not stated in the filingnot stated34K
2026-04-28Aharon GilDirectorGrant222Kprice not stated in the filingnot stated508K
2026-04-01Henrichs Timothy RobertChief Financial OfficerBuy8K$1.96$15K8K
2026-04-01Carrico Thomas JoesephCRO, CCO, CPOBuy667$1.96$1K332K
2026-04-01Carrico Brian AllenChief Executive OfficerBuy8K$1.96$16K348K
2026-01-22Ferge Kristin ADirectorGrant22K$4.63$100K36K
2026-01-22Aharon GilDirectorGrant22K$4.63$100K308K
2026-01-22Watkins Bradley MitchellDirectorGrant22K$4.63$100K46K
2026-01-22Keyser Jane ElizabethDirectorGrant22K$4.63$100K46K
2025-12-23Aharon GilDirectorBuy286K$3.52$1.0M286K
2025-07-01MASIMO CORP10% ownerSell290K$2.25$652K0
2025-07-01MASIMO CORP10% ownerConversion290K$0.00$29290K
2025-07-01MASIMO CORP10% ownerSell532K$2.25$1.2M0
2025-01-17Watkins Bradley MitchellDirectorGrant13K$2.85$37K25K
2025-01-17Keyser Jane ElizabethDirectorGrant13K$2.85$37K25K
2025-01-17Ferge Kristin ADirectorGrant13K$2.85$37K14K
2024-06-28Watkins Bradley MitchellDirectorGrant12K$0.00$012K
2024-06-28Keyser Jane ElizabethDirectorGrant12K$0.00$012K
2024-06-28Ferge Kristin ADirectorGrant1K$0.00$01K
2023-08-11MASIMO CORPTenPercentOwnerConversion532Kprice not stated in the filingnot stated532K
2023-08-10MASIMO CORPTenPercentOwnerConversion532Kprice not stated in the filingnot stated532K

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

3 holders report 5% or more of NRXS in their latest filing, all on Schedule 13G (passive). The largest reported stake is Bigger Michael at 6.7% of the class (831,729 shares), filed 2026-08-03 for an event on 2026-06-30.

FiledFormHolderSharesOf classEvent
2026-08-0313G/Ano. 4Bigger Michaelindividual832K6.7%2026-06-30
2026-08-0313G/Ano. 4BIGGER CAPITAL FUND L Ppartnership731K5.9%2026-06-30
2026-08-0313G/Ano. 4Bigger Capital Fund GP, LLCother entity731K5.9%2026-06-30
2026-08-0313G/Ano. 4District 2 GP LLCother entity94K0.0%2026-06-30
2026-08-0313G/Ano. 4District 2 Holdings LLCother entity94K0.0%2026-06-30
2026-08-0313G/Ano. 4District 2 Capital Fund LPpartnership94K0.0%2026-06-30
2026-08-0313G/Ano. 4District 2 Capital LPpartnership94K0.0%2026-06-30

13F holders

Tracked managers holding NRXS at their latest 13F. JSON

2 of the 30 tracked managers held NRXS at their latest 13F, $1.9M in total at quarter-end prices. Renaissance Technologies is the largest at $1.2M (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 2 added shares and 0 cut.

FundQuarterSharesValueOf portfolioChange in shares
Renaissance Technologies2026-06-30169K$1.2M0.00%+92K
Citadel Advisors2026-06-3085K$622K0.00%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

Neuraxis 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 Neuraxis (NRXS), SEC CIK 1933567, listed on NYSE. 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 2026-09-30.JSON and CSV
Daily short volume
FINRA Reg SHO daily filesSource: FINRA.Every trading day, the morning after FINRA posts it. Latest 2026-10-22.JSON and CSV
Fails to deliver
SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-09-29.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 2026-08-03.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 2026-04-21.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 2026-10-08.JSON and CSV
Company record
EDGAR filing index for CIK 1933567Ticker, 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.

Other company pages

Datasets

Frequently Asked Questions

How much of NRXS is sold short?
372,805 shares were held short at the 2026-09-30 settlement, 1.6 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 NRXS's daily short volume?
On 2026-10-22, 18,709 of the 38,606 NRXS shares reported to FINRA were sold short, 48.5% of the day's reported volume. Short volume is a flow for one day, not a position.
Does NRXS have fails to deliver?
The SEC's latest file shows 435 NRXS shares failed to deliver at settlement 2026-09-29. Fails are reported per settlement date and published twice a month with a lag.
Are NRXS insiders buying or selling?
Insiders at NRXS reported 3 open-market buys worth $12K in the last 90 days and no open-market sells. Latest filing: Henrichs Timothy Robert (Chief Financial Officer) on 2026-10-08.
Who owns 5% or more of NRXS?
3 holders report 5% or more of NRXS in their latest filing, all on Schedule 13G (passive). The largest reported stake is Bigger Michael at 6.7% of the class (831,729 shares), filed 2026-08-03 for an event on 2026-06-30.
Which tracked 13F managers own NRXS?
2 of the 30 tracked 13F managers held NRXS shares at their latest filing, $1.9M in all. The largest: Renaissance Technologies (169K shares, $1.2M), Ken Griffin's Citadel Advisors (85K shares, $622K).

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