Myomo (MYO)
Myomo on one page: short interest, daily short volume, fails to deliver, planned sales, large holders, 13F holders, earnings dates and insider trades. Listed on NYSE, classified by the SEC as orthopedic, prosthetic & surgical appliances & supplies.
1.1M
Short interest
settlement 2026-09-30
2.6
Days to cover
-0.9 days vs prior
35.6%
Short share of volume
2026-10-12
10,903
Fails to deliver
settlement 2026-09-08
Mon 9 Nov
Next earnings
estimated date
-$71K
Insider flow, 90 days
0 buys, 3 sells
As of 2026-10-13.
Short interest
FINRA, twice a month. The newest 24 settlements in the table, 48 in the chart. JSONAs of 30 September 2026, short interest in MYO is 1,066,314 shares, down 125,221 shares over the last month. Over the last 48 readings it ranged from 686,168 shares (31 December 2024) to 4,889,015 shares (13 March 2026). The latest reading sits at the bottom of that range. At the reported average volume of 407K shares a day that is 2.6 days to cover.
Embed this chart.The embed keeps its attribution line.
<iframe src="https://xoomar.com/embed/stocks/myo" width="100%" height="440" style="border:0;max-width:100%" loading="lazy" title="XOOMAR chart"></iframe>
| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-09-30 | 1,066,314 | -10.9% | 406,828 | 2.62 |
| 2026-09-15 | 1,197,315 | +0.5% | 335,257 | 3.57 |
| 2026-08-31 | 1,191,535 | +6.0% | 742,856 | 1.60 |
| 2026-08-14 | 1,124,493 | -39.1% | 889,567 | 1.26 |
| 2026-07-31 | 1,847,205 | -23.4% | 329,076 | 5.61 |
| 2026-07-15 | 2,410,084 | -1.2% | 349,228 | 6.90 |
| 2026-06-30 | 2,439,681 | -26.4% | 1,467,016 | 1.66 |
| 2026-06-15 | 3,315,254 | -3.7% | 1,529,352 | 2.17 |
| 2026-05-29 | 3,444,046 | -9.6% | 643,423 | 5.35 |
| 2026-05-15 | 3,811,428 | -0.8% | 416,497 | 9.15 |
| 2026-04-30 | 3,840,472 | -1.3% | 294,129 | 13.06 |
| 2026-04-15 | 3,890,561 | +2.8% | 256,724 | 15.15 |
| 2026-03-31 | 3,786,607 | -22.6% | 301,599 | 12.56 |
| 2026-03-13 | 4,889,015 | +6.5% | 532,534 | 9.18 |
| 2026-02-27 | 4,588,493 | -3.7% | 461,700 | 9.94 |
| 2026-02-13 | 4,766,484 | +1.0% | 349,534 | 13.64 |
| 2026-01-30 | 4,720,037 | +38.4% | 597,938 | 7.89 |
| 2026-01-15 | 3,411,768 | -2.0% | 603,728 | 5.65 |
| 2025-12-31 | 3,480,713 | +6.2% | 589,814 | 5.90 |
| 2025-12-15 | 3,276,958 | -4.9% | 907,111 | 3.61 |
| 2025-11-28 | 3,446,392 | +4.3% | 751,800 | 4.58 |
| 2025-11-14 | 3,305,832 | +8.1% | 832,807 | 3.97 |
| 2025-10-31 | 3,058,246 | +5.2% | 1,260,164 | 2.43 |
| 2025-10-15 | 2,907,432 | +21.9% | 2,787,075 | 1.04 |
Daily short volume
FINRA Reg SHO, the last 30 sessions. JSONAs of 12 October 2026, the short share of MYO volume is 35.6%, down 30.8 points over the last five sessions. Over the last 30 readings it ranged from 16.5% (9 October 2026) to 75.9% (1 October 2026). The latest reading is 8.3 points below the 30-session average of 43.9%, on 113K shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-10-12 | 40K | 113K | 35.6% | 4,132 |
| 2026-10-09 | 9K | 56K | 16.5% | 35 |
| 2026-10-08 | 29K | 95K | 30.7% | 6,509 |
| 2026-10-07 | 74K | 213K | 34.5% | 5,204 |
| 2026-10-06 | 99K | 223K | 44.3% | 14,595 |
| 2026-10-05 | 106K | 159K | 66.4% | 0 |
| 2026-10-02 | 49K | 84K | 59.0% | 0 |
| 2026-10-01 | 113K | 149K | 75.9% | 0 |
| 2026-09-30 | 62K | 169K | 36.9% | 1 |
| 2026-09-29 | 23K | 61K | 37.4% | 0 |
| 2026-09-28 | 52K | 136K | 38.0% | 0 |
| 2026-09-25 | 26K | 69K | 37.3% | 0 |
| 2026-09-24 | 20K | 103K | 19.4% | 0 |
| 2026-09-23 | 68K | 153K | 44.4% | 4,385 |
| 2026-09-22 | 171K | 334K | 51.3% | 1,729 |
| 2026-09-21 | 122K | 196K | 62.5% | 1,318 |
| 2026-09-18 | 142K | 275K | 51.5% | 2,144 |
| 2026-09-17 | 80K | 163K | 48.9% | 0 |
| 2026-09-16 | 288K | 507K | 56.8% | 39 |
| 2026-09-15 | 86K | 189K | 45.4% | 1,474 |
| 2026-09-14 | 68K | 139K | 49.1% | 0 |
| 2026-09-11 | 71K | 138K | 51.3% | 100 |
| 2026-09-10 | 29K | 71K | 41.3% | 102 |
| 2026-09-09 | 40K | 91K | 43.5% | 0 |
| 2026-09-08 | 86K | 200K | 43.2% | 5 |
| 2026-09-04 | 68K | 174K | 38.8% | 0 |
| 2026-09-03 | 140K | 307K | 45.4% | 1,260 |
| 2026-09-02 | 102K | 229K | 44.7% | 69 |
| 2026-09-01 | 27K | 97K | 27.4% | 0 |
| 2026-08-31 | 96K | 243K | 39.7% | 34 |
Fails to deliver
SEC, the last 30 settlement dates with a fail. JSONAs of 8 September 2026, the fails-to-deliver balance in MYO is 10,903 shares, up 10,623 shares over the last settlement date. Over the last 30 readings it ranged from 2 shares (14 July 2026) to 117,465 shares (29 June 2026). The latest reading sits at the bottom of that range.
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-09-08 | 10,903 | $1.44 | $16K |
| 2026-08-21 | 280 | $1.74 | $487 |
| 2026-08-19 | 12 | $1.68 | $20 |
| 2026-08-05 | 4,381 | $1.08 | $5K |
| 2026-08-03 | 1,965 | $1.01 | $2K |
| 2026-07-31 | 2 | $1.00 | $2 |
| 2026-07-20 | 5 | $0.95 | $5 |
| 2026-07-14 | 2 | $1.10 | $2 |
| 2026-07-02 | 16,376 | $1.04 | $17K |
| 2026-06-30 | 49,475 | $1.11 | $55K |
| 2026-06-29 | 117,465 | $1.03 | $121K |
| 2026-06-26 | 59,964 | $1.08 | $65K |
| 2026-06-25 | 59,758 | $1.18 | $71K |
| 2026-06-24 | 65,929 | $1.19 | $78K |
| 2026-06-23 | 19,847 | $1.25 | $25K |
| 2026-06-18 | 395 | $1.42 | $561 |
| 2026-06-17 | 16,891 | $1.53 | $26K |
| 2026-06-15 | 19,835 | $1.15 | $23K |
| 2026-06-12 | 82,996 | $1.37 | $114K |
| 2026-06-11 | 31,892 | $1.54 | $49K |
| 2026-06-10 | 12,500 | $1.31 | $16K |
| 2026-06-09 | 53,520 | $1.28 | $69K |
| 2026-06-08 | 89,872 | $1.28 | $115K |
| 2026-06-05 | 9,534 | $1.29 | $12K |
| 2026-06-04 | 4,659 | $1.10 | $5K |
| 2026-06-02 | 38,248 | $1.16 | $44K |
| 2026-06-01 | 22,527 | $1.09 | $25K |
| 2026-05-29 | 33,483 | $1.09 | $36K |
| 2026-05-21 | 950 | $0.91 | $865 |
| 2026-05-20 | 939 | $0.88 | $826 |
Insider trades
SEC Form 4, newest first, 50 of 100 shown. JSONInsiders at MYO reported 3 open-market sells worth $71K in the last 90 days and no open-market buys. Latest filing: McClure Mary-Katherine Hale (Chief Commericial Officer) on 2026-10-12.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-10-12 | McClure Mary-Katherine Hale | Chief Commericial Officer | Grant | 275K | $0.00 | $0 | 275K |
| 2026-09-11 | Kovelman Harry | Chief Medical Officer | Sell | 15K | $1.27 | $20K | 90K |
| 2026-09-02 | Morris Milton Mayo | Director | Sell | 15K | $1.41 | $21K | 208K |
| 2026-08-20 | Kovelman Harry | Chief Medical Officer | Sell | 17K | $1.73 | $30K | 106K |
| 2026-08-07 | Mitchell Micah | Chief Commercial Officer | Tax withholding | 22K | $1.42 | $31K | 131K |
| 2026-08-07 | Mitchell Micah | Chief Commercial Officer | Grant | 58K | $0.00 | $0 | 152K |
| 2026-08-07 | Kovelman Harry | Chief Medical Officer | Tax withholding | 22K | $1.42 | $32K | 123K |
| 2026-08-07 | Kovelman Harry | Chief Medical Officer | Grant | 55K | $0.00 | $0 | 146K |
| 2026-08-07 | HENRY DAVID A | Chief Financial Officer | Tax withholding | 25K | $1.42 | $36K | 470K |
| 2026-08-07 | HENRY DAVID A | Chief Financial Officer | Grant | 69K | $0.00 | $0 | 495K |
| 2026-08-07 | GUDONIS PAUL R | Chief Executive Officer | Grant | 147K | $0.00 | $0 | 1.4M |
| 2026-07-13 | HENRY DAVID A | Chief Financial Officer | Tax withholding | 5K | $1.09 | $6K | 427K |
| 2026-07-10 | HENRY DAVID A | Chief Financial Officer | Grant | 8K | $0.00 | $0 | 432K |
| 2026-07-10 | GUDONIS PAUL R | Chief Executive Officer | Grant | 10K | $0.00 | $0 | 1.3M |
| 2026-06-25 | Morris Milton Mayo | Director | Grant | 79K | $0.00 | $0 | 223K |
| 2026-06-25 | FEBBO WILLIAM J | Director | Grant | 79K | $0.00 | $0 | 124K |
| 2026-06-25 | Getz Heather C | Director | Grant | 79K | $0.00 | $0 | 210K |
| 2026-06-25 | KIRK THOMAS F | Director | Grant | 79K | $0.00 | $0 | 773K |
| 2026-06-25 | Crowley Thomas Aloysius Jr. | Director | Grant | 79K | $0.00 | $0 | 154K |
| 2026-06-25 | Manko Joseph M. Jr. | Director | Grant | 79K | $0.00 | $0 | 79K |
| 2026-06-12 | HENRY DAVID A | Chief Financial Officer | Tax withholding | 11K | $0.00 | $0 | 424K |
| 2026-06-12 | Mitchell Micah | Chief Commercial Officer | Tax withholding | 9K | $1.20 | $11K | 94K |
| 2026-06-12 | Kovelman Harry | Chief Medical Officer | Tax withholding | 10K | $1.20 | $13K | 91K |
| 2026-06-08 | Mitchell Micah | Chief Commercial Officer | Tax withholding | 7K | $1.33 | $9K | 103K |
| 2026-06-08 | Kovelman Harry | Chief Medical Officer | Tax withholding | 8K | $1.33 | $10K | 101K |
| 2026-06-08 | HENRY DAVID A | Chief Financial Officer | Tax withholding | 10K | $0.00 | $0 | 435K |
| 2026-06-05 | KIRK THOMAS F | Director | Buy | 40K | $1.27 | $51K | 694K |
| 2026-05-28 | Kovelman Harry | Chief Medical Officer | Sell | 12K | $1.02 | $12K | 109K |
| 2026-05-28 | KIRK THOMAS F | Director | Buy | 25K | $0.99 | $25K | 654K |
| 2026-05-27 | Kovelman Harry | Chief Medical Officer | Sell | 20K | $1.00 | $21K | 120K |
| 2026-05-18 | KIRK THOMAS F | Director | Buy | 43K | $0.91 | $39K | 629K |
| 2026-05-15 | Manko Joseph M. Jr. | Director | Buy | 30K | $0.89 | $27K | 2.3M |
| 2026-05-15 | KIRK THOMAS F | Director | Buy | 32K | $0.91 | $29K | 585K |
| 2026-05-14 | Mitchell Micah | Chief Commercial Officer | Sell | 90K | $0.86 | $78K | 109K |
| 2026-05-14 | Manko Joseph M. Jr. | Director | Buy | 171K | $0.86 | $147K | 2.3M |
| 2026-04-14 | FEBBO WILLIAM J | Director | Grant | 45K | $0.00 | $0 | 45K |
| 2026-04-13 | HENRY DAVID A | Chief Financial Officer | Tax withholding | 4K | $0.71 | $3K | 445K |
| 2026-04-10 | GUDONIS PAUL R | Chief Executive Officer | Grant | 17K | $0.00 | $0 | 1.3M |
| 2026-04-10 | HENRY DAVID A | Chief Financial Officer | Grant | 13K | $0.00 | $0 | 449K |
| 2026-04-10 | GUDONIS PAUL R | Chief Executive Officer | Grant | 19K | $0.00 | $0 | 1.3M |
| 2026-03-16 | Getz Heather C | Director | Buy | 20K | $0.70 | $14K | 132K |
| 2026-03-13 | KIRK THOMAS F | Director | Buy | 72K | $0.71 | $51K | 554K |
| 2026-03-12 | Getz Heather C | Director | Buy | 70K | $0.73 | $51K | 112K |
| 2026-01-12 | HENRY DAVID A | Chief Financial Officer | Grant | 9K | $0.00 | $0 | 437K |
| 2026-01-12 | GUDONIS PAUL R | Chief Executive Officer | Grant | 12K | $0.00 | $0 | 1.3M |
| 2025-11-21 | KIRK THOMAS F | Director | Buy | 3K | $0.72 | $2K | 482K |
| 2025-11-20 | KIRK THOMAS F | Director | Buy | 5K | $0.72 | $4K | 479K |
| 2025-11-19 | Crowley Thomas Aloysius Jr. | Director | Buy | 385 | $0.77 | $295 | 479 |
| 2025-11-18 | Crowley Thomas Aloysius Jr. | Director | Buy | 4K | $0.73 | $3K | 76K |
| 2025-09-09 | GUDONIS PAUL R | Chief Executive Officer | Gift | 10K | $0.00 | $0 | 1.2M |
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.
Planned sales (Form 144)
Newest first. JSON13 Form 144 notices on file for MYO worth $236K at the prices reported; 4 in the last 90 days worth $76K. Latest: David Henry filed on 2026-10-13 to sell 3,133 shares ($4K) from 2026-10-12.
| Filed | Seller | Shares | Market value | Of outstanding | Sale from | Broker |
|---|---|---|---|---|---|---|
| 2026-10-13 | David HenryOfficer | 3K | $4K | 0.008% | 2026-10-12 | Morgan Stanley |
| 2026-09-11 | HARRY KOVELMANOfficer | 16K | $20K | 0.040% | 2026-09-11 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-09-02 | Morris Milton MayoDirector | 15K | $21K | 0.038% | 2026-09-02 | RBC CAPITAL MARKETS LLC |
| 2026-08-20 | HARRY KOVELMANOfficer | 18K | $30K | 0.044% | 2026-08-20 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-07-13 | David HenryOfficer | 5K | $6K | 0.013% | 2026-07-13 | Morgan Stanley |
| 2026-06-12 | Micah MitchellOfficer | 9K | $11K | 0.023% | 2026-06-12 | Morgan Stanley Smith Barney LLC |
| 2026-06-12 | Harry KovelmanOfficer | 10K | $13K | 0.027% | 2026-06-12 | Morgan Stanley Smith Barney LLC |
| 2026-06-08 | Micah MitchellOfficer | 7K | $9K | 0.017% | 2026-06-08 | Morgan Stanley Smith Barney LLC |
| 2026-06-08 | Harry KovelmanOfficer | 8K | $10K | 0.020% | 2026-06-08 | Morgan Stanley Smith Barney LLC |
| 2026-05-28 | HARRY KOVELMANOfficer | 12K | $12K | 0.030% | 2026-05-28 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-05-27 | HARRY KOVELMANOfficer | 20K | $20K | 0.053% | 2026-05-27 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-05-14 | MICAH MITCHELLOfficer | 90K | $78K | 0.234% | 2026-05-14 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-04-13 | David HenryOfficer | 4K | $3K | 0.010% | 2026-04-13 | Morgan Stanley |
Large holders (13D and 13G)
One row per reporting person with its latest filing, newest first. JSON8 holders report 5% or more of MYO in their latest filing, 4 on Schedule 13D (active intent). The largest reported stake is Rosalind Master Fund L.P. at 9.9% of the class (7,401,144 shares), filed 2026-08-12 for an event on 2026-06-30.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-08-12 | 13G/Ano. 12 | Rosalind Master Fund L.P.partnership | 7.4M | 9.9% | 2026-06-30 |
| 2026-08-12 | 13G/Ano. 12 | Rosalind Advisors, Inc.corporation | 7.4M | 9.9% | 2026-06-30 |
| 2026-08-12 | 13G/Ano. 12 | SALAMON STEVEN A Jindividual | 7.4M | 9.9% | 2026-06-30 |
| 2026-08-12 | 13G/Ano. 12 | Aharon Gilindividual | 7.4M | 9.9% | 2026-06-30 |
| 2026-05-18 | 13D/Ano. 1 | Joseph M. Manko, Jr.individual | 2.3M | 6.0% | 2026-05-09 |
| 2026-05-18 | 13D/Ano. 1 | Horton Capital Management, LLCinvestment adviser | 2.3M | 6.0% | 2026-05-09 |
| 2026-05-18 | 13D/Ano. 1 | Horton Capital Partners, LLCparent holding company | 2.3M | 6.0% | 2026-05-09 |
| 2026-05-18 | 13D/Ano. 1 | Horton Capital Partners Fund, LPpartnership | 2.3M | 6.0% | 2026-05-09 |
| 2025-11-10 | 13G/Ano. 4 | Orin Hirschmanparent holding company, individual | 523K | 1.3% | 2025-09-30 |
| 2025-11-10 | 13G/Ano. 4 | AIGH Capital Management LLCinvestment adviser, other entity | 0 | 0.0% | 2025-09-30 |
13F holders
Tracked managers holding MYO at their latest 13F. JSON5 of the 30 tracked managers held MYO at their latest 13F, $1.4M in total at quarter-end prices. AQR Capital Management is the largest at $965K (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 5 added shares and 0 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| AQR Capital Management | 2026-06-30 | 928K | $965K | 0.00% | +609K |
| Millennium Management | 2026-06-30 | 271K | $282K | 0.00% | new |
| Citadel Advisors | 2026-06-30 | 103K | $107K | 0.00% | new |
| Renaissance Technologies | 2026-06-30 | 49K | $50K | 0.00% | +25K |
| Point72 Asset Management | 2026-06-30 | 20K | $21K | 0.00% | 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
Myomo 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 Myomo (MYO), SEC CIK 1369290, listed on NYSE, classified by the SEC as orthopedic, prosthetic & surgical appliances & supplies. 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 2026-10-12.JSON and CSV
- Fails to deliver
- SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-09-08.JSON and CSV
- Planned sales
- SEC EDGAR Form 144Source: SEC.New notices appear shortly after the SEC posts them; a notice is filed on or before the sale. 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 2026-08-12.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 2026-08-05.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 2026-10-12.JSON and CSV
- Company record
- EDGAR filing index for CIK 1369290Ticker, 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 companies the SEC classifies as orthopedic, prosthetic & surgical appliances & supplies
Other company pages
Datasets
Frequently Asked Questions
How much of MYO is sold short?
What is MYO's daily short volume?
Does MYO have fails to deliver?
Are MYO insiders buying or selling?
Have MYO insiders filed to sell?
Who owns 5% or more of MYO?
Which tracked 13F managers own MYO?
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.