Surgical & Medical Instruments & Apparatus
Standard Industrial Classification: SIC 3841
Industry Insider Sentiment Analysis
The Surgical & Medical Instruments & Apparatus sector (SIC 3841) acts as a critical barometer for broader economic health. Our real-time monitoring reveals total transactions. Monitoring "cluster buying" is one of the most reliable leading indicators for future sector performance. By analyzing aggregate data across this specific Standard Industrial Classification, investors can filter out individual company volatility and identify high-conviction trends. When multiple directors and officers within the same industry move capital simultaneously, it often signals an upcoming sector-wide revaluation or a fundamental shift in supply chain dynamics that has yet to be recognized by the broader public market.
| Filing Date | Trade Date | Ticker | Company | Reporting Person | Relationship | Type | Price | Qty | Total, $ | Owned After |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023-10-19 19:18 | 2023-10-18 | RDGL | VIVOS INC | Korenko Michael K | Director, Officer | BUY | $0.05 | 100,000 | $5,360 | 9,985,090 |
| 2023-10-19 23:15 | 2023-10-17 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $39.16 | 10,000 | $391,638 | 262,950 |
| 2023-10-18 17:29 | 2023-10-16 | MODD | Modular Medical, Inc. | MANCHESTER MANAGEMENT CO LLC | 10% owner | BUY | $1.08 | 33,000 | $35,521 | 144,750 |
| 2023-10-17 23:12 | 2023-10-16 | BSX | BOSTON SCIENTIFIC CORP | Carruthers Wendy | Officer | OPT+S | $49.79 | 11,671 | $581,063 | 51,795 |
| 2023-10-17 23:53 | 2023-10-13 | DCTH | DELCATH SYSTEMS, INC. | Purpura John | Officer | BUY | $3.44 | 14,505 | $49,897 | 41,526 |
| 2023-10-18 01:50 | 2023-10-16 | RMD | RESMED INC | Farrell Michael J. | Officer | OPT+S | $140.70 | 5,675 | $798,464 | 449,360 |
| 2023-10-17 23:15 | 2023-10-16 | DXCM | DEXCOM INC | ALTMAN STEVEN R | Director | SELL | $77.58 | 1,000 | $77,580 | 60,700 |
| 2023-10-14 02:33 | 2023-10-11 | PEN | Penumbra Inc | Elsesser Adam | Director, Officer | OPT+S | $215.76 | 9,670 | $2,086,417 | 0 |
| 2023-10-12 23:15 | 2023-10-10 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $39.79 | 10,000 | $397,939 | 272,950 |
| 2023-10-11 01:11 | 2023-10-09 | BSX | BOSTON SCIENTIFIC CORP | Mahoney Michael F | Director, Officer | OPT+S | $52.09 | 113,355 | $5,904,481 | 1,498,922 |
| 2023-10-11 00:12 | 2023-10-06 | STIM | Neuronetics, Inc. | MACAN WILLIAM ANDREW | Officer | SELL | $1.16 | 1,469 | $1,697 | 383,733 |
| 2023-10-11 00:10 | 2023-10-06 | STIM | Neuronetics, Inc. | Furlong Stephen | Officer | SELL | $1.16 | 1,499 | $1,731 | 429,556 |
| 2023-10-07 01:45 | 2023-10-04 | INBS | INTELLIGENT BIO SOLUTIONS INC. | TOWERS CHRISTOPHER | Director | BUY | $0.00 | 9,090 | $0 | 9,880 |
| 2023-10-07 01:43 | 2023-10-04 | INBS | INTELLIGENT BIO SOLUTIONS INC. | Sakiris Spiro Kevin | Officer | BUY | $0.00 | 112,727 | $0 | 117,427 |
| 2023-10-05 23:15 | 2023-10-03 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $42.76 | 10,000 | $427,607 | 282,950 |
| 2023-10-04 17:57 | 2023-10-02 | RMD | RESMED INC | Rider Michael J | Officer | SELL | $145.92 | 25 | $3,648 | 7,383 |
| 2023-10-05 00:51 | 2023-10-02 | SIBN | SI-BONE, Inc. | Maheshwari Anshul | Officer | SELL | $21.15 | 1,244 | $26,310 | 150,471 |
| 2023-10-05 02:44 | 2023-10-02 | PEN | Penumbra Inc | Grewal Harpreet | Director | SELL | $240.99 | 170 | $40,968 | 9,150 |
| 2023-10-05 02:34 | 2023-10-02 | PEN | Penumbra Inc | Sarna Surbhi | Director | SELL | $240.99 | 85 | $20,484 | 2,380 |
| 2023-10-05 02:30 | 2023-10-02 | PEN | Penumbra Inc | Roberts Johanna | Officer | SELL | $237.82 | 600 | $142,691 | 63,637 |
| 2023-10-05 00:52 | 2023-10-02 | SIBN | SI-BONE, Inc. | RECUPERO ANTHONY J | Officer | SELL | $21.16 | 1,712 | $36,222 | 209,296 |
| 2023-10-05 00:50 | 2023-10-02 | GKOS | GLAUKOS Corp | Burns Thomas William | Director, Officer | OPT+S | $71.98 | 45,000 | $3,239,262 | 54,785 |
| 2023-10-04 23:30 | 2023-10-03 | ARAY | Accuray Incorporated | Winter Suzanne C | Officer | SELL | $2.62 | 17,119 | $44,843 | 1,474,954 |
| 2023-10-04 23:30 | 2023-10-03 | ARAY | Accuray Incorporated | Chew Jesse | Officer | SELL | $2.62 | 9,026 | $23,644 | 473,674 |
| 2023-10-04 23:30 | 2023-10-03 | ARAY | Accuray Incorporated | Spine Patrick | Officer | SELL | $2.62 | 5,863 | $15,358 | 379,858 |
| 2023-10-04 23:30 | 2023-10-03 | ARAY | Accuray Incorporated | Hoge Michael | Officer | SELL | $2.62 | 8,353 | $21,881 | 502,263 |
| 2023-10-05 00:36 | 2023-10-02 | NPCE | NeuroPace Inc | ORBIMED ADVISORS LLC | 10% owner | SELL | $9.07 | 8,314 | $75,449 | 4,003,967 |
| 2023-10-05 00:53 | 2023-10-02 | SIBN | SI-BONE, Inc. | DUNN JEFFREY W | Director | OPT+S | $21.19 | 20,000 | $423,738 | 69,645 |
| 2023-10-04 02:18 | 2023-09-29 | BEAT | HeartBeam, Inc. | de Urioste George | Director | SELL | $2.06 | 5,500 | $11,330 | 36,129 |
| 2023-09-29 23:30 | 2023-09-27 | TTOO | T2 Biosystems, Inc. | CR Group L.P. | 10% owner | SELL | $0.17 | 13,130,147 | $2,271,515 | 0 |
| 2023-09-30 02:41 | 2023-09-27 | BEAT | HeartBeam, Inc. | de Urioste George | Director | SELL | $2.05 | 9,834 | $20,190 | 41,629 |
| 2023-09-28 23:30 | 2023-09-26 | TTOO | T2 Biosystems, Inc. | CR Group L.P. | 10% owner | SELL | $0.20 | 5,392,920 | $1,082,359 | 3,559,165 |
| 2023-09-28 23:15 | 2023-09-26 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $43.29 | 10,000 | $432,935 | 292,950 |
| 2023-09-29 00:28 | 2023-09-26 | NXGL | NEXGEL, INC. | Stein John Nachum | Director | BUY | $1.96 | 2,500 | $4,900 | 500,019 |
| 2023-09-28 03:53 | 2023-09-25 | LUCD | Lucid Diagnostics Inc. | Lapidus Stanley | Director | SELL | $1.45 | 29,947 | $43,459 | 101,592 |
| 2023-09-28 00:53 | 2023-09-25 | TTOO | T2 Biosystems, Inc. | CR Group L.P. | 10% owner | SELL | $0.25 | 250,000 | $62,500 | 5,021,014 |
| 2023-09-28 01:45 | 2023-09-25 | ATEC | Alphatec Holdings, Inc. | Miles Patrick | Director, Officer | SELL | $12.66 | 179,375 | $2,270,080 | 5,452,736 |
| 2023-09-27 19:01 | 2023-09-22 | BEAT | HeartBeam, Inc. | de Urioste George | Director | SELL | $2.13 | 7,393 | $15,738 | 51,463 |
| 2023-09-27 00:15 | 2023-09-22 | TTOO | T2 Biosystems, Inc. | CR Group L.P. | 10% owner | SELL | $0.26 | 5,079,344 | $1,314,534 | 5,088,781 |
| 2023-09-27 01:15 | 2023-09-22 | LUNG | Pulmonx Corp | Rose Geoffrey Beran | Officer | SELL | $10.51 | 1,184 | $12,444 | 251,837 |
| 2023-09-26 03:30 | 2023-09-21 | TTOO | T2 Biosystems, Inc. | CR Group L.P. | 10% owner | SELL | $0.30 | 6,338,211 | $1,904,632 | 6,465,629 |
| 2023-09-23 01:39 | 2023-09-20 | LUCD | Lucid Diagnostics Inc. | Lapidus Stanley | Director | SELL | $1.45 | 3,917 | $5,675 | 131,539 |
| 2023-09-22 23:15 | 2023-09-20 | TTOO | T2 Biosystems, Inc. | CR Group L.P. | 10% owner | SELL | $0.31 | 7,753,710 | $2,408,302 | 8,183,716 |
| 2023-09-23 02:07 | 2023-09-20 | BEAT | HeartBeam, Inc. | de Urioste George | Director | SELL | $2.45 | 983 | $2,413 | 58,856 |
| 2023-09-23 01:30 | 2023-09-22 | DXCM | DEXCOM INC | Pacelli Steven Robert | Officer | SELL | $88.40 | 411 | $36,332 | 125,597 |
| 2023-09-21 23:30 | 2023-09-19 | TTOO | T2 Biosystems, Inc. | CR Group L.P. | 10% owner | SELL | $0.37 | 10,401,466 | $3,806,937 | 10,285,500 |
| 2023-09-21 23:09 | 2023-09-20 | BSX | BOSTON SCIENTIFIC CORP | Fitzgerald Joseph Michael | Officer | SELL | $55.00 | 15,867 | $872,685 | 197,992 |
| 2023-09-21 23:48 | 2023-09-19 | PODD | INSULET CORP | Singh Prem | Officer | BUY | $168.92 | 1 | $169 | 4,032 |
| 2023-09-20 23:15 | 2023-09-18 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $45.90 | 10,000 | $459,006 | 302,950 |
| 2023-09-21 00:26 | 2023-09-18 | ATEC | Alphatec Holdings, Inc. | Miles Patrick | Director, Officer | SELL | $13.42 | 180,000 | $2,415,006 | 5,632,111 |
Sector-Wide Insider Alpha
Analyzing insider movements across the Surgical & Medical Instruments & Apparatus sector provides a macro-view of executive conviction. When multiple leaders in different companies within the same SIC code (3841) simultaneously buy shares, it often indicates an industry-wide undervaluation or a positive shift in market cycles.
SEC Filings in Surgical & Medical Instruments & Apparatus
Every transaction in the Surgical & Medical Instruments & Apparatus industry is reported via Form 4 disclosures. By filtering these filings by industry, investors can detect institutional-scale sentiment shifts before they are reflected in broader market indices, following the capital flow of those with intimate industry knowledge.
UNDERSTANDING THE DATA
FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.
TRADE DATE: The actual day the insider executed the purchase or sale in the market.
INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.
OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.
CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.
TRADE TYPES DEFINITIONS
BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.
SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.
OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.