Neuronetics (STIM)
Neuronetics on one page: short interest, daily short volume, fails to deliver, planned sales, large holders, 13F holders, earnings dates and insider trades. Listed on Nasdaq, classified by the SEC as surgical & medical instruments & apparatus.
7.2M
Short interest
settlement 2026-10-15
9.4
Days to cover
+1.5 days vs prior
41.0%
Short share of volume
2026-11-02
5,865
Fails to deliver
settlement 2026-09-24
Tue 3 Nov
Next earnings
estimated date
$85K
Insider flow, 90 days
2 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. JSONAs of 15 October 2026, short interest in STIM is 7,210,930 shares, up 1,001,156 shares over the last month. Over the last 48 readings it ranged from 312,933 shares (31 December 2024) to 10,912,723 shares (15 April 2026). At the reported average volume of 765K shares a day that is 9.4 days to cover.
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| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-10-15 | 7,210,930 | +2.0% | 764,547 | 9.43 |
| 2026-09-30 | 7,067,347 | +13.8% | 887,720 | 7.96 |
| 2026-09-15 | 6,209,774 | -6.9% | 1,659,840 | 3.74 |
| 2026-08-31 | 6,667,747 | -17.2% | 1,022,867 | 6.52 |
| 2026-08-14 | 8,048,779 | -13.7% | 4,940,772 | 1.63 |
| 2026-07-31 | 9,328,278 | -0.5% | 2,712,977 | 3.44 |
| 2026-07-15 | 9,373,142 | +22.0% | 1,208,989 | 7.75 |
| 2026-06-30 | 7,681,882 | -21.7% | 1,633,311 | 4.70 |
| 2026-06-15 | 9,806,159 | -0.7% | 1,296,195 | 7.57 |
| 2026-05-29 | 9,878,404 | +2.5% | 2,907,119 | 3.40 |
| 2026-05-15 | 9,637,567 | -8.0% | 3,349,437 | 2.88 |
| 2026-04-30 | 10,470,096 | -4.1% | 1,685,207 | 6.21 |
| 2026-04-15 | 10,912,723 | +16.4% | 2,414,608 | 4.52 |
| 2026-03-31 | 9,377,645 | +0.2% | 2,766,665 | 3.39 |
| 2026-03-13 | 9,357,958 | -8.8% | 769,590 | 12.16 |
| 2026-02-27 | 10,258,643 | +22.2% | 1,142,605 | 8.98 |
| 2026-02-13 | 8,392,324 | -2.3% | 4,692,202 | 1.79 |
| 2026-01-30 | 8,588,113 | +20.0% | 1,084,185 | 7.92 |
| 2026-01-15 | 7,159,363 | -5.2% | 1,689,136 | 4.24 |
| 2025-12-31 | 7,547,810 | +12.4% | 1,131,181 | 6.67 |
| 2025-12-15 | 6,712,159 | +11.9% | 1,283,239 | 5.23 |
| 2025-11-28 | 6,000,423 | -7.9% | 2,901,369 | 2.07 |
| 2025-11-14 | 6,516,778 | +17.8% | 2,298,905 | 2.83 |
| 2025-10-31 | 5,531,067 | -4.8% | 933,350 | 5.93 |
| 2025-10-15 | 5,807,649 | -0.0% | 1,186,729 | 4.89 |
| 2025-09-30 | 5,808,283 | -5.1% | 1,127,731 | 5.15 |
| 2025-09-15 | 6,122,194 | +4.3% | 1,656,699 | 3.70 |
| 2025-08-29 | 5,867,154 | +18.6% | 1,542,498 | 3.80 |
| 2025-08-15 | 4,947,970 | +4.2% | 1,660,090 | 2.98 |
| 2025-07-31 | 4,750,856 | +0.9% | 917,448 | 5.18 |
| 2025-07-15 | 4,710,412 | +10.5% | 847,523 | 5.56 |
| 2025-06-30 | 4,261,486 | +36.8% | 1,148,105 | 3.71 |
| 2025-06-13 | 3,114,623 | +14.1% | 479,531 | 6.50 |
| 2025-05-30 | 2,730,278 | +1.1% | 603,898 | 4.52 |
| 2025-05-15 | 2,699,363 | -26.3% | 1,098,872 | 2.46 |
| 2025-04-30 | 3,664,661 | +6.5% | 584,694 | 6.27 |
| 2025-04-15 | 3,439,752 | +2.9% | 1,124,173 | 3.06 |
| 2025-03-31 | 3,343,015 | +20.1% | 1,021,534 | 3.27 |
| 2025-03-14 | 2,784,210 | +40.2% | 2,001,715 | 1.39 |
| 2025-02-28 | 1,986,271 | +24.3% | 1,717,707 | 1.16 |
| 2025-02-14 | 1,597,516 | +24.4% | 2,325,814 | 1.00 |
| 2025-01-31 | 1,284,532 | +11.5% | 1,002,746 | 1.28 |
| 2025-01-15 | 1,151,690 | +268.0% | 1,591,106 | 1.00 |
| 2024-12-31 | 312,933 | -35.8% | 269,190 | 1.16 |
| 2024-12-13 | 487,388 | -19.7% | 240,309 | 2.03 |
| 2024-11-29 | 607,262 | -37.3% | 329,412 | 1.84 |
| 2024-11-15 | 969,050 | +31.8% | 1,227,734 | 1.00 |
| 2024-10-31 | 735,036 | +3.4% | 150,719 | 4.88 |
Daily short volume
FINRA Reg SHO, the last 30 sessions. JSONAs of 2 November 2026, the short share of STIM volume is 41.0%, down 26.9 points over the last five sessions. Over the last 30 readings it ranged from 16.4% (30 September 2026) to 75.8% (20 October 2026). The latest reading is in line with the 30-session average of 42.0%, on 424K shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-11-02 | 174K | 424K | 41.0% | 689 |
| 2026-10-30 | 248K | 551K | 44.9% | 290 |
| 2026-10-29 | 198K | 356K | 55.6% | 0 |
| 2026-10-28 | 53K | 144K | 36.8% | 0 |
| 2026-10-27 | 46K | 115K | 40.0% | 1,850 |
| 2026-10-26 | 284K | 419K | 67.9% | 0 |
| 2026-10-23 | 174K | 336K | 51.7% | 0 |
| 2026-10-22 | 168K | 474K | 35.4% | 0 |
| 2026-10-21 | 110K | 163K | 67.5% | 0 |
| 2026-10-20 | 234K | 309K | 75.8% | 0 |
| 2026-10-19 | 140K | 261K | 53.8% | 0 |
| 2026-10-16 | 401K | 622K | 64.5% | 1,806 |
| 2026-10-15 | 148K | 333K | 44.5% | 0 |
| 2026-10-14 | 104K | 382K | 27.3% | 1,857 |
| 2026-10-13 | 90K | 251K | 35.9% | 1,845 |
| 2026-10-12 | 63K | 138K | 45.8% | 0 |
| 2026-10-09 | 72K | 175K | 41.2% | 2,971 |
| 2026-10-08 | 59K | 181K | 32.6% | 0 |
| 2026-10-07 | 120K | 322K | 37.4% | 820 |
| 2026-10-06 | 181K | 403K | 44.8% | 239 |
| 2026-10-05 | 127K | 371K | 34.3% | 0 |
| 2026-10-02 | 221K | 629K | 35.1% | 296 |
| 2026-10-01 | 203K | 478K | 42.5% | 0 |
| 2026-09-30 | 48K | 296K | 16.4% | 0 |
| 2026-09-29 | 253K | 562K | 45.1% | 6 |
| 2026-09-28 | 93K | 401K | 23.3% | 0 |
| 2026-09-25 | 54K | 194K | 27.6% | 4,561 |
| 2026-09-24 | 63K | 200K | 31.6% | 0 |
| 2026-09-23 | 64K | 257K | 24.8% | 0 |
| 2026-09-22 | 86K | 255K | 33.6% | 0 |
Fails to deliver
SEC, the last 30 settlement dates with a fail. JSONAs of 24 September 2026, the fails-to-deliver balance in STIM is 5,865 shares, up 4,865 shares over the last settlement date. Over the last 30 readings it ranged from 1 share (17 August 2026) to 228,031 shares (12 August 2026). The latest reading sits at the bottom of that range.
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-09-24 | 5,865 | $2.88 | $17K |
| 2026-09-16 | 1,000 | $2.80 | $3K |
| 2026-09-11 | 1,078 | $3.01 | $3K |
| 2026-09-10 | 5,755 | $3.04 | $17K |
| 2026-09-08 | 39,583 | $2.88 | $114K |
| 2026-09-04 | 98,343 | $2.72 | $267K |
| 2026-09-03 | 102,433 | $2.77 | $284K |
| 2026-08-27 | 1,636 | $3.00 | $5K |
| 2026-08-21 | 47,295 | $3.09 | $146K |
| 2026-08-20 | 52,412 | $3.14 | $165K |
| 2026-08-19 | 68 | $3.15 | $214 |
| 2026-08-18 | 2,500 | $3.27 | $8K |
| 2026-08-17 | 1 | $3.30 | $3 |
| 2026-08-12 | 228,031 | $3.19 | $727K |
| 2026-08-07 | 7,650 | $2.25 | $17K |
| 2026-08-06 | 74,555 | $2.35 | $175K |
| 2026-08-05 | 61,956 | $2.30 | $142K |
| 2026-08-04 | 30,625 | $2.16 | $66K |
| 2026-07-31 | 11,060 | $1.97 | $22K |
| 2026-07-28 | 121 | $1.81 | $219 |
| 2026-07-24 | 626 | $1.88 | $1K |
| 2026-07-23 | 95,828 | $1.93 | $185K |
| 2026-07-22 | 90,826 | $1.88 | $171K |
| 2026-07-20 | 5,806 | $1.62 | $9K |
| 2026-07-17 | 641 | $1.78 | $1K |
| 2026-07-15 | 9,841 | $1.77 | $17K |
| 2026-07-14 | 418 | $1.79 | $748 |
| 2026-07-13 | 418 | $1.76 | $736 |
| 2026-07-09 | 1,317 | $1.54 | $2K |
| 2026-07-08 | 29,270 | $1.55 | $45K |
Insider trades
SEC Form 4, newest first. JSONInsiders at STIM reported 2 open-market buys worth $85K in the last 90 days and no open-market sells. Latest filing: Chernett Jorey (10% owner) on 2026-10-30.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-10-30 | Chernett Jorey | 10% owner | Buy | 18K | $2.27 | $41K | 10.6M |
| 2026-08-14 | Chernett Jorey | 10% owner | Buy | 14K | $3.16 | $44K | 10.6M |
| 2026-07-23 | Naor Nir | EVP, CFO & Treasurer | Grant | 500K | $0.00 | $0 | 500K |
| 2026-07-14 | Chernett Jorey | 10% owner | Buy | 35K | $1.78 | $62K | 10.6M |
| 2026-06-15 | Madryn Health Partners II, LP | TenPercentOwner | Other transaction | 5K | $0.00 | $0 | 2.3M |
| 2026-06-15 | Madryn Health Partners II, LP | TenPercentOwner | Other transaction | 35K | $0.00 | $0 | 17.1M |
| 2026-06-15 | Madryn Health Partners II, LP | TenPercentOwner | Other transaction | 3K | $0.00 | $0 | 1.4M |
| 2026-06-15 | Amin Avinash | Director | Other transaction | 5K | $0.00 | $0 | 30K |
| 2026-06-15 | Amin Avinash | Director | Other transaction | 35K | $0.00 | $0 | 35K |
| 2026-06-15 | Amin Avinash | Director | Other transaction | 3K | $0.00 | $0 | 70K |
| 2026-05-28 | Madryn Health Partners II, LP | TenPercentOwner | Other transaction | 3K | $0.00 | $0 | 2.3M |
| 2026-05-28 | Madryn Health Partners II, LP | TenPercentOwner | Other transaction | 25K | $0.00 | $0 | 17.1M |
| 2026-05-28 | Madryn Health Partners II, LP | TenPercentOwner | Other transaction | 2K | $0.00 | $0 | 1.4M |
| 2026-05-28 | Rosengarten Megan | Director | Grant | 30K | $0.00 | $0 | 171K |
| 2026-05-28 | MUIR GLENN P | Director | Grant | 30K | $0.00 | $0 | 402K |
| 2026-05-28 | Cucuz Sasha | Director | Grant | 30K | $0.00 | $0 | 1.5M |
| 2026-05-28 | CONLEY SHERYL L | Director | Grant | 30K | $0.00 | $0 | 252K |
| 2026-05-28 | CASCELLA ROBERT | Director | Grant | 36K | $0.00 | $0 | 625K |
| 2026-05-28 | Amin Avinash | Director | Grant | 30K | $0.00 | $0 | 73K |
| 2026-05-19 | Chernett Jorey | 10% owner | Buy | 100K | $1.17 | $117K | 10.6M |
| 2026-05-12 | Chernett Jorey | 10% owner | Buy | 475K | $1.34 | $637K | 10.5M |
| 2026-04-21 | Chernett Jorey | 10% owner | Buy | 100K | $1.51 | $151K | 10.0M |
| 2026-04-20 | Chernett Jorey | 10% owner | Buy | 100K | $1.58 | $158K | 9.9M |
| 2026-03-30 | Chernett Jorey | 10% owner | Buy | 385K | $1.25 | $482K | 9.8M |
| 2026-03-27 | Chernett Jorey | 10% owner | Buy | 500K | $1.35 | $675K | 9.4M |
| 2026-03-26 | Chernett Jorey | 10% owner | Buy | 25K | $1.44 | $36K | 8.9M |
| 2026-03-25 | Chernett Jorey | 10% owner | Buy | 125K | $1.40 | $175K | 8.9M |
| 2026-03-23 | REUVERS DANIEL L. | President and CEO | Grant | 1.5M | $0.00 | $0 | 1.5M |
| 2026-03-20 | Chernett Jorey | 10% owner | Buy | 169K | $1.41 | $239K | 8.7M |
| 2026-03-19 | Pfanstiel Steven | Former EVP, CFO and Treasurer | Sell | 9K | $1.34 | $11K | 837K |
| 2026-03-19 | Chernett Jorey | 10% owner | Buy | 450K | $1.33 | $599K | 8.6M |
| 2026-03-19 | Pfanstiel Steven | EVP, CFO and Treasurer | Sell | 16K | $1.34 | $22K | 829K |
| 2026-03-19 | Sullivan Keith J | Former Officer & Director | Sell | 46K | $1.34 | $62K | 1.6M |
| 2026-03-19 | MACAN WILLIAM ANDREW | EVP, CLO and CS | Sell | 16K | $1.34 | $21K | 897K |
| 2026-03-18 | Chernett Jorey | 10% owner | Buy | 607K | $1.35 | $820K | 8.1M |
| 2026-03-17 | Sullivan Keith J | President and CEO | Grant | 113K | $0.00 | $0 | 1.6M |
| 2026-03-17 | Pfanstiel Steven | EVP, CFO and Treasurer | Grant | 25K | $0.00 | $0 | 845K |
| 2026-03-17 | MACAN WILLIAM ANDREW | EVP, CLO and CS | Grant | 34K | $0.00 | $0 | 913K |
| 2026-03-17 | Chernett Jorey | 10% owner | Buy | 531K | $1.16 | $616K | 7.5M |
| 2026-03-04 | MACAN WILLIAM ANDREW | EVP, CLO and CS | Sell | 609 | $1.34 | $816 | 880K |
| 2026-02-26 | Sullivan Keith J | President and CEO | Sell | 8K | $1.35 | $11K | 1.5M |
| 2026-02-26 | MACAN WILLIAM ANDREW | EVP, CLO and CS | Sell | 3K | $1.35 | $5K | 880K |
| 2026-02-23 | Pfanstiel Steven | EVP, CFO and Treasurer | Grant | 250K | $0.00 | $0 | 820K |
| 2026-02-23 | MACAN WILLIAM ANDREW | EVP, CLO and CS | Grant | 210K | $0.00 | $0 | 884K |
| 2026-02-12 | Sullivan Keith J | President and CEO | Sell | 34K | $1.65 | $56K | 1.5M |
| 2026-02-12 | MACAN WILLIAM ANDREW | EVP, CLO and CS | Sell | 14K | $1.65 | $23K | 674K |
| 2026-02-10 | Sullivan Keith J | President and CEO | Sell | 41K | $1.55 | $64K | 1.6M |
| 2026-02-10 | MACAN WILLIAM ANDREW | EVP, CLO and CS | Sell | 3K | $1.55 | $5K | 688K |
| 2025-12-30 | Pfanstiel Steven | EVP, CFO and Treasurer | Grant | 170K | $0.00 | $0 | 570K |
| 2025-12-30 | MACAN WILLIAM ANDREW | EVP, GC, CCO and CS | Grant | 164K | $0.00 | $0 | 691K |
| 2025-10-20 | MUIR GLENN P | Director | Grant | 8K | $0.00 | $0 | 372K |
| 2025-10-20 | Cucuz Sasha | Director | Grant | 6K | $0.00 | $0 | 1.5M |
| 2025-10-20 | CONLEY SHERYL L | Director | Grant | 7K | $0.00 | $0 | 222K |
| 2025-10-20 | CASCELLA ROBERT | Director | Grant | 11K | $0.00 | $0 | 589K |
| 2025-08-08 | Madryn Asset Management, LP | 10% owner | Sell | 382K | $3.72 | $1.4M | 2.3M |
| 2025-08-08 | Madryn Asset Management, LP | 10% owner | Sell | 2.9M | $3.72 | $10.9M | 17.3M |
| 2025-08-08 | Madryn Asset Management, LP | 10% owner | Sell | 193K | $3.72 | $717K | 1.1M |
| 2025-07-15 | Pfanstiel Steven | EVP, CFO and Treasurer | Grant | 200K | $0.00 | $0 | 400K |
| 2025-07-15 | Pfanstiel Steven | EVP, CFO and Treasurer | Grant | 200K | $0.00 | $0 | 200K |
| 2025-07-10 | MADRYN HEALTH ADVISORS GP II, LLC | TenPercentOwner | Gift | 337K | $0.00 | $0 | 1.4M |
| 2025-07-10 | Madryn Asset Management, LP | 10% owner | Gift | 337K | $0.00 | $0 | 1.4M |
| 2025-05-22 | MUIR GLENN P | Director | Grant | 30K | price not stated in the filing | not stated | 364K |
| 2025-05-22 | Cucuz Sasha | Director | Grant | 30K | price not stated in the filing | not stated | 1.5M |
| 2025-05-22 | CONLEY SHERYL L | Director | Grant | 30K | price not stated in the filing | not stated | 214K |
| 2025-05-22 | Amin Avinash | Director | Grant | 30K | price not stated in the filing | not stated | 43K |
| 2025-05-22 | CASCELLA ROBERT | Director | Grant | 36K | price not stated in the filing | not stated | 578K |
| 2025-05-22 | Rosengarten Megan | Director | Grant | 30K | price not stated in the filing | not stated | 141K |
| 2025-05-13 | Furlong Stephen | EVP, CFO and Treasurer | Sell | 7K | $4.16 | $27K | 410K |
| 2025-05-12 | Furlong Stephen | EVP, CFO and Treasurer | Sell | 193K | $4.27 | $826K | 417K |
| 2025-03-04 | MACAN WILLIAM ANDREW | EVP, GC, CCO and CS | Sell | 377 | $4.48 | $2K | 527K |
| 2025-03-04 | Furlong Stephen | EVP, CFO and Treasurer | Sell | 2K | $4.48 | $8K | 610K |
| 2025-02-24 | Furlong Stephen | EVP, CFO and Treasurer | Grant | 158K | $0.00 | $0 | 612K |
| 2025-02-24 | MACAN WILLIAM ANDREW | EVP, GC, CCO and CS | Grant | 158K | $0.00 | $0 | 527K |
| 2025-02-24 | Sullivan Keith J | President and CEO | Grant | 375K | $0.00 | $0 | 1.6M |
| 2025-02-19 | Sullivan Keith J | President and CEO | Sell | 24K | $4.70 | $115K | 1.2M |
| 2025-02-18 | Sullivan Keith J | President and CEO | Sell | 26K | $4.41 | $114K | 1.3M |
| 2025-02-14 | Furlong Stephen | EVP, CFO and Treasurer | Sell | 17K | $4.11 | $71K | 454K |
| 2025-02-14 | MACAN WILLIAM ANDREW | EVP, GC, CCO and CS | Sell | 19K | $4.11 | $78K | 370K |
| 2025-02-12 | MACAN WILLIAM ANDREW | EVP, GC, CCO and CS | Sell | 12K | $3.83 | $47K | 389K |
| 2025-02-12 | Furlong Stephen | EVP, CFO and Treasurer | Sell | 11K | $3.83 | $42K | 472K |
| 2025-02-10 | Furlong Stephen | EVP, CFO and Treasurer | Sell | 15K | $3.28 | $49K | 483K |
| 2025-02-10 | Sullivan Keith J | President and CEO | Sell | 41K | $3.28 | $134K | 1.3M |
| 2025-02-10 | MACAN WILLIAM ANDREW | EVP, GC, CCO and CS | Sell | 2K | $3.28 | $6K | 401K |
| 2025-02-07 | CASCELLA ROBERT | Director | Other transaction | 89K | $2.25 | $200K | 542K |
| 2025-02-07 | Cucuz Sasha | Director | Other transaction | 89K | $2.25 | $200K | 1.5M |
| 2025-02-07 | MUIR GLENN P | Director | Other transaction | 44K | $2.25 | $100K | 334K |
| 2025-02-07 | CONLEY SHERYL L | Director | Other transaction | 44K | $2.25 | $100K | 184K |
| 2024-10-08 | MACAN WILLIAM ANDREW | EVP, GC, CCO and CS | Sell | 2K | $0.82 | $1K | 403K |
| 2024-10-08 | Furlong Stephen | EVP, CFO and Treasurer | Sell | 1K | $0.82 | $1K | 497K |
| 2024-09-12 | CASCELLA ROBERT | Director | Buy | 100K | $0.75 | $75K | 453K |
| 2024-09-05 | MUIR GLENN P | Director | Buy | 25K | $0.80 | $20K | 290K |
| 2024-08-29 | MUIR GLENN P | Director | Buy | 12K | $0.85 | $10K | 265K |
| 2024-08-28 | MUIR GLENN P | Director | Buy | 13K | $0.85 | $11K | 253K |
| 2024-08-20 | MUIR GLENN P | Director | Buy | 25K | $1.00 | $25K | 240K |
| 2024-08-19 | CASCELLA ROBERT | Director | Buy | 4K | $1.14 | $5K | 353K |
| 2024-08-16 | CASCELLA ROBERT | Director | Buy | 35K | $1.06 | $37K | 349K |
| 2024-08-15 | CASCELLA ROBERT | Director | Buy | 35K | $0.88 | $31K | 314K |
| 2024-08-14 | MUIR GLENN P | Director | Buy | 25K | $0.75 | $19K | 215K |
| 2024-08-14 | CASCELLA ROBERT | Director | Buy | 35K | $0.79 | $28K | 279K |
| 2024-07-18 | Sullivan Keith J | President and CEO | Sell | 24K | $1.90 | $46K | 1.3M |
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. JSON12 Form 144 notices on file for STIM worth $1.2M at the prices reported; 2 in the last 90 days worth $852K. Latest: MACAN WILLIAM ANDREW filed on 2026-08-19 to sell 149,891 shares ($464K) from 2026-08-19.
| Filed | Seller | Shares | Market value | Of outstanding | Sale from | Broker |
|---|---|---|---|---|---|---|
| 2026-08-19 | MACAN WILLIAM ANDREWFormer Officer | 150K | $464K | 0.197% | 2026-08-19 | Fidelity Brokerage Services LLC |
| 2026-08-18 | MACAN WILLIAM ANDREWOfficer | 121K | $388K | 0.159% | 2026-08-18 | Fidelity Brokerage Services LLC |
| 2026-06-08 | Sullivan Keith JFormer Officer and Director | 42K | $54K | 0.061% | 2026-06-08 | Fidelity Brokerage Services LLC |
| 2026-03-19 | Sullivan Keith JOfficer, Director | 46K | $61K | 0.067% | 2026-03-19 | Fidelity Brokerage Services LLC |
| 2026-03-19 | MACAN WILLIAM ANDREWOfficer | 16K | $21K | 0.023% | 2026-03-19 | Fidelity Brokerage Services LLC |
| 2026-03-04 | MACAN WILLIAM ANDREWOfficer | 609 | $814 | 0.001% | 2026-03-04 | Fidelity Brokerage Services LLC |
| 2026-02-26 | Sullivan Keith JOfficer, Director | 8K | $11K | 0.012% | 2026-02-26 | Fidelity Brokerage Services LLC |
| 2026-02-26 | MACAN WILLIAM ANDREWOfficer | 3K | $5K | 0.005% | 2026-02-26 | Fidelity Brokerage Services LLC |
| 2026-02-12 | Sullivan Keith JOfficer, Director | 34K | $56K | 0.049% | 2026-02-12 | Fidelity Brokerage Services LLC |
| 2026-02-12 | MACAN WILLIAM ANDREWOfficer | 14K | $23K | 0.021% | 2026-02-12 | Fidelity Brokerage Services LLC |
| 2026-02-10 | Sullivan Keith JOfficer, Director | 41K | $63K | 0.060% | 2026-02-10 | Fidelity Brokerage Services LLC |
| 2026-02-10 | MACAN WILLIAM ANDREWOfficer | 3K | $5K | 0.005% | 2026-02-10 | Fidelity Brokerage Services LLC |
Large holders (13D and 13G)
One row per reporting person with its latest filing, newest first. JSON9 holders report 5% or more of STIM in their latest filing, 5 on Schedule 13D (active intent). The largest reported stake is MADRYN ASSET MANAGEMENT, LP at 30.3% of the class (20,737,061 shares), filed 2026-03-04 for an event on 2026-03-02.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-08-24 | 13D/Ano. 4 | Chernett Joreyindividual | 10.6M | 13.9% | 2026-08-14 |
| 2026-08-14 | 13G | Point72 Asset Management, L.P.partnership | 3.8M | 5.0% | 2026-08-13 |
| 2026-08-14 | 13G | Point72 Capital Advisors, Inc.corporation | 3.8M | 5.0% | 2026-08-13 |
| 2026-08-14 | 13G | Steven A. Cohenindividual | 3.8M | 5.0% | 2026-08-13 |
| 2026-03-17 | 13G | Parian Ultreia LPpartnership | 4.8M | 7.0% | 2026-03-17 |
| 2026-03-04 | 13D/Ano. 2 | MADRYN ASSET MANAGEMENT, LPpartnership, investment adviser | 20.7M | 30.3% | 2026-03-02 |
| 2026-03-04 | 13D/Ano. 2 | MADRYN HEALTH ADVISORS II, LPpartnership | 18.5M | 27.0% | 2026-03-02 |
| 2026-03-04 | 13D/Ano. 2 | MADRYN HEALTH ADVISORS GP II, LLCother entity | 18.5M | 27.0% | 2026-03-02 |
| 2026-03-04 | 13D/Ano. 2 | MADRYN HEALTH PARTNERS II (CAYMAN MASTER), LPpartnership | 17.0M | 24.9% | 2026-03-02 |
| 2026-03-04 | 13D/Ano. 2 | MADRYN SELECT ADVISORS GP, LLC | 2.3M | 3.3% | 2026-03-02 |
| 2026-03-04 | 13D/Ano. 2 | MADRYN SELECT OPPORTUNITIES, LPpartnership | 2.3M | 3.3% | 2026-03-02 |
| 2026-03-04 | 13D/Ano. 2 | MADRYN SELECT ADVISORS, LPpartnership | 2.3M | 3.3% | 2026-03-02 |
| 2026-03-04 | 13D/Ano. 2 | MADRYN HEALTH PARTNERS II, LPpartnership | 1.4M | 2.1% | 2026-03-02 |
13F holders
Tracked managers holding STIM at their latest 13F. JSON3 of the 30 tracked managers held STIM at their latest 13F, $961K in total at quarter-end prices. Citadel Advisors is the largest at $548K (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 3 added shares and 0 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| Citadel Advisors | 2026-06-30 | 422K | $548K | 0.00% | +345K |
| Millennium Management | 2026-06-30 | 199K | $259K | 0.00% | new |
| AQR Capital Management | 2026-06-30 | 118K | $153K | 0.00% | +1K |
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
Neuronetics 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 Neuronetics (STIM), SEC CIK 1227636, listed on Nasdaq, classified by the SEC as surgical & medical instruments & apparatus. 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 2026-09-24.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 2026-08-19.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 2026-08-24.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 2026-08-11.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 2026-10-30.JSON and CSV
- Company record
- EDGAR filing index for CIK 1227636Ticker, 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 surgical & medical instruments & apparatus
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Datasets
Frequently Asked Questions
How much of STIM is sold short?
7,210,930 shares were held short at the 2026-10-15 settlement, 9.4 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 STIM's daily short volume?
On 2026-11-02, 174,157 of the 424,408 STIM shares reported to FINRA were sold short, 41.0% of the day's reported volume. Short volume is a flow for one day, not a position.
Does STIM have fails to deliver?
The SEC's latest file shows 5,865 STIM shares failed to deliver at settlement 2026-09-24. Fails are reported per settlement date and published twice a month with a lag.
Are STIM insiders buying or selling?
Insiders at STIM reported 2 open-market buys worth $85K in the last 90 days and no open-market sells. Latest filing: Chernett Jorey (10% owner) on 2026-10-30.
Have STIM insiders filed to sell?
12 Form 144 notices on file for STIM worth $1.2M at the prices reported; 2 in the last 90 days worth $852K. Latest: MACAN WILLIAM ANDREW filed on 2026-08-19 to sell 149,891 shares ($464K) from 2026-08-19.
Who owns 5% or more of STIM?
9 holders report 5% or more of STIM in their latest filing, 5 on Schedule 13D (active intent). The largest reported stake is MADRYN ASSET MANAGEMENT, LP at 30.3% of the class (20,737,061 shares), filed 2026-03-04 for an event on 2026-03-02.
Which tracked 13F managers own STIM?
3 of the 30 tracked 13F managers held STIM shares at their latest filing, $961K in all. The largest: Ken Griffin's Citadel Advisors (422K shares, $548K), Izzy Englander's Millennium Management (199K shares, $259K), Cliff Asness's AQR Capital Management (118K shares, $153K).
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.