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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2021-11-03 23:45 | 2021-11-01 | TNDM | TANDEM DIABETES CARE INC | BERGER DAVID B | Officer | OPT+S | $135.70 | 1,000 | $135,696 | 4,247 |
| 2021-11-03 23:53 | 2021-11-01 | TNDM | TANDEM DIABETES CARE INC | ROBERTSON REBECCA B | Director | OPT+S | $135.77 | 1,500 | $203,657 | 0 |
| 2021-11-03 23:06 | 2021-11-01 | BAX | BAXTER INTERNATIONAL INC | Martin Sean | Officer | OPT+S | $79.57 | 21,450 | $1,706,706 | 42,281 |
| 2021-11-02 23:25 | 2021-11-01 | BSX | BOSTON SCIENTIFIC CORP | Mahoney Michael F | Director, Officer | OPT+S | $43.05 | 201,042 | $8,655,682 | 2,081,822 |
| 2021-11-03 02:28 | 2021-08-13 | PETV | PetVivo Holdings, Inc. | Johnson Scott Mitchell | Director | BUY | $4.50 | 4,000 | $18,000 | 14,575 |
| 2021-11-03 02:28 | 2021-05-04 | PETV | PetVivo Holdings, Inc. | Johnson Scott Mitchell | Director | SELL | $8.08 | 3,526 | $28,485 | 10,575 |
| 2021-11-03 02:47 | 2021-11-01 | PEN | Penumbra Inc | Sarna Surbhi | Director | SELL | $278.06 | 907 | $252,200 | 1,419 |
| 2021-11-03 00:12 | 2021-10-29 | DXCM | DEXCOM INC | AUGUSTINOS NICHOLAS | Director | SELL | $600.03 | 2,500 | $1,500,087 | 918 |
| 2021-11-03 00:13 | 2021-11-01 | DXCM | DEXCOM INC | FOLETTA MARK G | Director | SELL | $626.32 | 500 | $313,162 | 13,097 |
| 2021-11-02 03:56 | 2021-11-01 | RMD | RESMED INC | Hollingshead James | Officer | SELL | $264.35 | 2,400 | $634,430 | 73,177 |
| 2021-11-02 03:09 | 2021-10-28 | MODD | Modular Medical, Inc. | DiPerna Paul | Director, Officer, 10% owner | BUY | $2.70 | 37,037 | $100,000 | 7,560,437 |
| 2021-11-02 02:52 | 2021-10-28 | MODD | Modular Medical, Inc. | Vos Ellen O'Connor | Director, Officer | BUY | $2.70 | 55,555 | $149,999 | 61,562 |
| 2021-10-29 23:13 | 2021-10-27 | TELA | TELA Bio, Inc. | EW HEALTHCARE PARTNERS FUND 2, L.P. | BUY | $12.43 | 5,088 | $63,244 | 1,841,760 | |
| 2021-10-29 23:30 | 2021-04-30 | ATRC | AtriCure, Inc. | GROVES REGINA E | Director | BUY | $76.68 | 34 | $2,607 | 16,228 |
| 2021-10-30 01:43 | 2020-06-30 | MODD | Modular Medical, Inc. | MANCHESTER MANAGEMENT CO LLC | 10% owner | BUY | $2.87 | 174,215 | $499,997 | 304,562 |
| 2021-10-30 01:32 | 2018-11-20 | MODD | Modular Medical, Inc. | MANCHESTER MANAGEMENT CO LLC | 10% owner | BUY | $2.25 | 720,000 | $1,620,000 | 917,576 |
| 2021-10-29 00:07 | 2021-10-27 | TNDM | TANDEM DIABETES CARE INC | Leal James | Officer | OPT+S | $130.34 | 1,904 | $248,167 | 3,751 |
| 2021-10-29 04:05 | 2021-10-26 | UTRS | Minerva Surgical Inc. | NEW ENTERPRISE ASSOCIATES 13 LP | 10% owner | BUY | $12.00 | 1,300,000 | $15,600,000 | 9,999,125 |
| 2021-10-28 13:15 | 2021-10-27 | PSTV | PLUS THERAPEUTICS, INC. | Petersen Greg | Director | BUY | $1.72 | 12,500 | $21,500 | 32,500 |
| 2021-10-27 21:54 | 2021-10-20 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | Tru St Partnership, L.P. | 10% owner | SELL | $69.81 | 200,000 | $13,962,000 | 8,890,930 |
| 2021-10-27 23:49 | 2021-10-25 | HAE | HAEMONETICS CORP | Basil Michelle L | Officer | SELL | $71.93 | 120 | $8,632 | 38,290 |
| 2021-10-27 23:58 | 2021-10-25 | HAE | HAEMONETICS CORP | Strong Stewart W | Officer | SELL | $71.93 | 75 | $5,395 | 12,717 |
| 2021-10-27 23:31 | 2021-10-26 | UTRS | Minerva Surgical Inc. | Novo Holdings A/S | 10% owner | BUY | $12.00 | 580,000 | $6,960,000 | 2,057,132 |
| 2021-10-27 13:15 | 2021-10-26 | PSTV | PLUS THERAPEUTICS, INC. | HEDRICK MARC H | Director, Officer | BUY | $1.66 | 2,500 | $4,150 | 21,080 |
| 2021-10-27 13:15 | 2021-10-26 | PSTV | PLUS THERAPEUTICS, INC. | Sims Andrew John Hugh MacIntyre | Officer | BUY | $1.67 | 2,000 | $3,339 | 6,230 |
| 2021-10-26 00:13 | 2021-10-22 | BSX | BOSTON SCIENTIFIC CORP | Eddy Jodi Euerle | Officer | SELL | $45.00 | 727 | $32,715 | 19,692 |
| 2021-10-26 02:01 | 2021-10-21 | GBS | INTELLIGENT BIO SOLUTIONS INC. | Life Science Biosensor Diagnostics Pty Ltd | 10% owner | SELL | $2.26 | 248,416 | $561,420 | 3,707,832 |
| 2021-10-26 02:35 | 2021-10-22 | DXCM | DEXCOM INC | Pacelli Steven Robert | Officer | SELL | $570.00 | 250 | $142,500 | 40,829 |
| 2021-10-23 03:11 | 2021-10-20 | GBS | INTELLIGENT BIO SOLUTIONS INC. | Life Science Biosensor Diagnostics Pty Ltd | 10% owner | SELL | $2.25 | 24,209 | $54,470 | 3,956,248 |
| 2021-10-23 04:36 | 2021-10-20 | TMCI | TREACE MEDICAL CONCEPTS, INC. | Treace John T. | Director, Officer, 10% owner | SELL | $21.55 | 165,000 | $3,555,008 | 5,752,580 |
| 2021-10-23 00:40 | 2021-10-20 | TELA | TELA Bio, Inc. | EW HEALTHCARE PARTNERS FUND 2, L.P. | BUY | $12.42 | 2,090 | $25,958 | 1,836,672 | |
| 2021-10-23 04:35 | 2021-10-20 | TMCI | TREACE MEDICAL CONCEPTS, INC. | TIMBIE THOMAS E | Director | SELL | $25.18 | 11,171 | $281,244 | 2,249,069 |
| 2021-10-23 02:11 | 2021-10-21 | LUNG | Pulmonx Corp | French Glendon E. III | Director, Officer | SELL | $39.75 | 25,000 | $993,680 | 1,130,370 |
| 2021-10-22 03:07 | 2021-10-19 | GBS | INTELLIGENT BIO SOLUTIONS INC. | Life Science Biosensor Diagnostics Pty Ltd | 10% owner | SELL | $2.25 | 16,326 | $36,734 | 3,980,457 |
| 2021-10-21 23:50 | 2021-10-20 | ANGO | Angiodynamics Inc. | Helsel Dave | Officer | SELL | $27.97 | 3,494 | $97,727 | 26,387 |
| 2021-10-21 00:04 | 2021-10-18 | LUCD | Lucid Diagnostics Inc. | PAVmed Inc. | 10% owner | BUY | $14.00 | 571,428 | $7,999,992 | 27,927,190 |
| 2021-10-21 03:30 | 2021-10-18 | SGHT | Sight Sciences, Inc. | Encrantz Staffan | Director | BUY | $24.00 | 527,048 | $12,649,152 | 3,497,118 |
| 2021-10-19 23:57 | 2021-10-18 | SIBN | SI-BONE, Inc. | Pisetsky Michael A | Officer | SELL | $22.37 | 355 | $7,940 | 76,297 |
| 2021-10-19 23:56 | 2021-10-18 | SIBN | SI-BONE, Inc. | RECUPERO ANTHONY J | Officer | SELL | $22.37 | 587 | $13,129 | 117,663 |
| 2021-10-19 23:54 | 2021-10-18 | SIBN | SI-BONE, Inc. | DUNN JEFFREY W | Director | SELL | $22.37 | 2,113 | $47,259 | 162,388 |
| 2021-10-19 02:22 | 2021-10-14 | GBS | INTELLIGENT BIO SOLUTIONS INC. | Life Science Biosensor Diagnostics Pty Ltd | 10% owner | SELL | $2.18 | 100,726 | $219,583 | 3,996,783 |
| 2021-10-18 23:52 | 2021-10-15 | BSX | BOSTON SCIENTIFIC CORP | Carruthers Wendy | Officer | SELL | $43.58 | 3,322 | $144,773 | 161,251 |
| 2021-10-19 02:28 | 2021-10-15 | RMD | RESMED INC | Douglas Robert Andrew | Officer | OPT+S | $255.77 | 8,000 | $2,046,160 | 22,149 |
| 2021-10-18 23:45 | 2021-10-15 | ANGO | Angiodynamics Inc. | Centea Scott | Officer | OPT+S | $27.92 | 12,000 | $335,040 | 46,244 |
| 2021-10-19 03:09 | 2021-10-15 | LUNG | Pulmonx Corp | Rose Geoffrey Beran | Officer | SELL | $39.44 | 7,000 | $276,080 | 152,814 |
| 2021-10-19 02:35 | 2021-10-15 | DXCM | DEXCOM INC | SAYER KEVIN R | Director, Officer | SELL | $549.22 | 6,000 | $3,295,334 | 90,705 |
| 2021-10-16 02:47 | 2021-10-13 | GBS | INTELLIGENT BIO SOLUTIONS INC. | Life Science Biosensor Diagnostics Pty Ltd | 10% owner | SELL | $2.25 | 58,739 | $132,163 | 4,097,509 |
| 2021-10-16 00:00 | 2021-10-14 | DRIO | DarioHealth Corp. | Cohen Oded | Officer | SELL | $16.11 | 20,000 | $322,200 | 430,764 |
| 2021-10-16 02:38 | 2021-10-14 | PEN | Penumbra Inc | O'Rourke Bridget | Director | SELL | $266.43 | 65 | $17,318 | 3,403 |
| 2021-10-16 02:13 | 2021-10-13 | DXCM | DEXCOM INC | Patterson Chad | Officer | SELL | $545.54 | 141 | $76,921 | 9,603 |
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.