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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2022-12-21 01:43 | 2022-12-16 | INSP | Inspire Medical Systems, Inc. | NELSON MARILYN C | Director | SELL | $244.77 | 25,211 | $6,170,844 | 50,919 |
| 2022-12-20 01:37 | 2022-12-15 | TNDM | TANDEM DIABETES CARE INC | BERGER DAVID B | Officer | OPT+S | $40.29 | 25,000 | $1,007,300 | 3,029 |
| 2022-12-20 00:25 | 2022-12-19 | NXGL | NEXGEL, INC. | STEFANSKY DAVID | Director | BUY | $1.59 | 5,000 | $7,950 | 40,091 |
| 2022-12-16 17:22 | 2022-12-14 | DCTH | DELCATH SYSTEMS, INC. | SALAMON STEVEN A J | Director | BUY | $3.62 | 15,215 | $55,045 | 455,315 |
| 2022-12-16 17:32 | 2022-12-14 | DCTH | DELCATH SYSTEMS, INC. | Rosalind Advisors, Inc. | Director | BUY | $3.62 | 15,215 | $55,045 | 459,315 |
| 2022-12-16 22:53 | 2022-12-15 | RMD | RESMED INC | Farrell Michael J. | Officer | OPT+S | $215.63 | 5,675 | $1,223,727 | 436,900 |
| 2022-12-16 16:35 | 2022-12-14 | AORT | Artivion Inc. | Horton Amy | Officer | SELL | $13.57 | 3,226 | $43,783 | 101,950 |
| 2022-12-17 05:00 | 2022-12-14 | TMCI | TREACE MEDICAL CONCEPTS, INC. | TIMBIE THOMAS E | Director | SELL | $24.00 | 50,000 | $1,199,935 | 1,299,069 |
| 2022-12-16 02:29 | 2022-12-15 | BSX | BOSTON SCIENTIFIC CORP | Carruthers Wendy | Officer | SELL | $46.62 | 7,500 | $349,668 | 87,413 |
| 2022-12-16 03:07 | 2022-12-15 | RDGL | VIVOS INC | Korenko Michael K | Director, Officer | BUY | $0.05 | 100,000 | $4,660 | 9,885,090 |
| 2022-12-15 00:37 | 2022-12-13 | BSX | BOSTON SCIENTIFIC CORP | Fitzgerald Joseph Michael | Officer | OPT+S | $47.78 | 79,264 | $3,787,234 | 216,871 |
| 2022-12-15 01:00 | 2022-11-29 | SINT | Sintx Technologies, Inc. | Truetzel David W. | Director | SELL | $0.12 | 67 | $8 | 4 |
| 2022-12-14 23:33 | 2022-12-13 | DCTH | DELCATH SYSTEMS, INC. | MICHEL GERARD J | Director, Officer | BUY | $2.90 | 51,725 | $150,003 | 177,589 |
| 2022-12-15 05:00 | 2022-12-12 | TMCI | TREACE MEDICAL CONCEPTS, INC. | TREACE JAMES T | Director | SELL | $24.18 | 25,000 | $604,575 | 1,061,441 |
| 2022-12-14 00:49 | 2022-12-12 | BSX | BOSTON SCIENTIFIC CORP | Mirviss Jeffrey B. | Officer | SELL | $46.75 | 11,080 | $517,990 | 88,479 |
| 2022-12-14 00:11 | 2022-12-12 | NXGL | NEXGEL, INC. | STEFANSKY DAVID | Director | BUY | $1.44 | 7,500 | $10,825 | 35,091 |
| 2022-12-13 00:26 | 2022-12-09 | BSX | BOSTON SCIENTIFIC CORP | Mirviss Jeffrey B. | Officer | OPT+S | $46.15 | 41,032 | $1,893,504 | 99,559 |
| 2022-12-10 00:15 | 2022-12-07 | XAIR | Beyond Air, Inc. | Carey Robert | Director | BUY | $5.75 | 20,000 | $115,000 | 842,323 |
| 2022-12-10 01:21 | 2022-12-07 | BSTG | Harvard Apparatus Regenerative Technology, Inc. | DST Capital LLC | 10% owner | SELL | $7.17 | 1,952 | $13,996 | 3,663,325 |
| 2022-12-10 01:21 | 2022-12-07 | BSTG | Harvard Apparatus Regenerative Technology, Inc. | Yu Hong | Officer | SELL | $7.17 | 83,676 | $599,957 | 222,459 |
| 2022-12-10 01:19 | 2022-12-07 | BSTG | Harvard Apparatus Regenerative Technology, Inc. | Chen Jing | Director | SELL | $7.17 | 48,532 | $347,974 | 161,468 |
| 2022-12-10 05:00 | 2022-12-07 | TMCI | TREACE MEDICAL CONCEPTS, INC. | BAYS F BARRY | Director | SELL | $23.98 | 18,800 | $450,832 | 1,499,814 |
| 2022-12-10 00:31 | 2022-12-08 | CTSO | Cytosorbents Corp | Chan Phillip P. | Director, Officer | BUY | $1.26 | 5,859 | $7,382 | 897,279 |
| 2022-12-09 01:09 | 2022-12-08 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | Mosebrook Jeffrey | Officer | SELL | $56.22 | 279 | $15,684 | 8,552 |
| 2022-12-09 00:30 | 2022-12-06 | CTSO | Cytosorbents Corp | Chan Phillip P. | Director, Officer | BUY | $1.26 | 24,141 | $30,476 | 891,420 |
| 2022-12-09 02:07 | 2022-12-08 | DXCM | DEXCOM INC | Flynn Paul R | Officer | SELL | $123.50 | 8,988 | $1,110,018 | 55,744 |
| 2022-12-08 16:38 | 2022-12-05 | WST | WEST PHARMACEUTICAL SERVICES INC | Green Eric Mark | Director, Officer | OPT+S | $238.99 | 44,000 | $10,515,520 | 114,922 |
| 2022-12-08 02:56 | 2022-12-05 | PAVM | PAVmed Inc. | Glennon Michael J | Director | BUY | $0.64 | 250,000 | $161,000 | 250,000 |
| 2022-12-08 00:07 | 2022-12-05 | SYK | STRYKER CORP | Datar Srikant M. | Director | OPT+S | $239.74 | 1,500 | $359,603 | 6,262 |
| 2022-12-08 05:26 | 2022-12-06 | LNSR | LENSAR, Inc. | STAAB THOMAS R II | Officer | BUY | $3.16 | 2,752 | $8,697 | 135,131 |
| 2022-12-07 00:15 | 2022-12-05 | INSP | Inspire Medical Systems, Inc. | Ban Randy | Officer | OPT+S | $235.87 | 10,333 | $2,437,264 | 285 |
| 2022-12-07 00:37 | 2022-12-02 | IRTC | iRhythm Holdings, Inc. | Murphy Patrick Michael | Officer | SELL | $106.78 | 1,704 | $181,953 | 23,726 |
| 2022-12-07 03:55 | 2022-12-02 | INFU | InfuSystem Holdings, Inc | Lehman Gregg Owen | Director | OPT+S | $8.74 | 25,000 | $218,580 | 346 |
| 2022-12-07 03:11 | 2022-12-05 | IRMD | IRADIMED CORP | VUOTO ANTHONY | Director | SELL | $28.55 | 1,000 | $28,547 | 14,121 |
| 2022-12-06 23:07 | 2022-12-05 | RMD | RESMED INC | PENDARVIS DAVID | Officer | SELL | $229.81 | 1,500 | $344,715 | 98,672 |
| 2022-12-06 03:09 | 2022-12-02 | SYK | STRYKER CORP | Lobo Kevin | Director, Officer | OPT+S | $239.68 | 67,232 | $16,114,300 | 80,770 |
| 2022-12-06 00:21 | 2022-12-01 | IRTC | iRhythm Holdings, Inc. | Wilson Daniel G. | Officer | SELL | $109.14 | 1,000 | $109,140 | 33,562 |
| 2022-12-06 02:17 | 2022-12-05 | ATEC | Alphatec Holdings, Inc. | Sponsel David | Officer | SELL | $9.88 | 10,000 | $98,800 | 556,983 |
| 2022-12-06 03:50 | 2022-12-01 | PEN | Penumbra Inc | Roberts Johanna | Officer | OPT+S | $210.29 | 1,500 | $315,431 | 55,310 |
| 2022-12-06 01:20 | 2022-12-01 | GMED | GLOBUS MEDICAL INC | Huller Kelly | Officer | OPT+S | $75.00 | 7,500 | $562,501 | 0 |
| 2022-12-06 04:06 | 2022-12-02 | LMAT | LEMAITRE VASCULAR INC | Jasinski Lawrence J | Director | OPT+S | $47.07 | 10,000 | $470,697 | 8,909 |
| 2022-12-06 03:01 | 2022-12-01 | LUNG | Pulmonx Corp | French Glendon E. III | Director, Officer | SELL | $5.93 | 3,631 | $21,532 | 1,034,313 |
| 2022-12-06 03:00 | 2022-12-01 | LUNG | Pulmonx Corp | Lehman David Aaron | Officer | SELL | $5.93 | 1,069 | $6,339 | 44,160 |
| 2022-12-06 02:58 | 2022-12-01 | LUNG | Pulmonx Corp | Rose Geoffrey Beran | Officer | SELL | $5.93 | 1,055 | $6,256 | 181,037 |
| 2022-12-06 02:35 | 2022-12-01 | LUNG | Pulmonx Corp | Sung Derrick | Officer | SELL | $5.93 | 1,069 | $6,339 | 262,746 |
| 2022-12-03 05:00 | 2022-12-02 | TMCI | TREACE MEDICAL CONCEPTS, INC. | Owens Daniel E. | Officer | OPT+S | $25.00 | 5,625 | $140,625 | 10,700 |
| 2022-12-03 05:00 | 2022-11-30 | TMCI | TREACE MEDICAL CONCEPTS, INC. | MOTT RICHARD W | Director | SELL | $22.35 | 95,000 | $2,122,804 | 1,405,000 |
| 2022-12-03 00:44 | 2022-12-01 | LMAT | LEMAITRE VASCULAR INC | Roush John A | Director | OPT+S | $46.65 | 7,500 | $349,841 | 8,076 |
| 2022-12-03 03:40 | 2022-12-01 | ARAY | Accuray Incorporated | Spine Patrick | Officer | SELL | $2.10 | 5,176 | $10,849 | 208,561 |
| 2022-12-03 03:35 | 2022-12-01 | ARAY | Accuray Incorporated | Winter Suzanne C | Officer | SELL | $2.10 | 9,823 | $20,589 | 721,758 |
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.