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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2021-05-03 13:15 | 2021-04-30 | PSTV | PLUS THERAPEUTICS, INC. | HEDRICK MARC H | Director, Officer | BUY | $2.28 | 2,183 | $4,970 | 18,580 |
| 2021-05-04 02:18 | 2021-04-29 | RCLFU | Spectral AI, Inc. | GLAZER CAPITAL, LLC | 10% owner | SELL | $10.00 | 1,450 | $14,500 | 2,592,700 |
| 2021-05-01 04:43 | 2021-04-27 | CMXC | Stimcell Energetics Inc. | HARGREAVES BRADLEY S | Director, Officer, 10% owner | SELL | $0.28 | 42,150 | $11,701 | 5,653,252 |
| 2021-04-30 23:57 | 2021-04-22 | ICUI | ICU MEDICAL INC/DE | LOPEZ GEORGE A | Director, 10% owner | SELL | $213.62 | 25,000 | $5,340,493 | 886,843 |
| 2021-04-30 04:20 | 2021-04-27 | TMCI | TREACE MEDICAL CONCEPTS, INC. | Treace John T. | Director, Officer, 10% owner | SELL | $17.00 | 5,253,805 | $89,314,685 | 5,917,580 |
| 2021-04-30 04:14 | 2021-04-27 | TMCI | TREACE MEDICAL CONCEPTS, INC. | Hair Mark | Officer | BUY | $17.00 | 13,600 | $231,200 | 3,600 |
| 2021-04-30 04:09 | 2021-04-27 | TMCI | TREACE MEDICAL CONCEPTS, INC. | Frias Jaime A. | Officer | SELL | $17.00 | 329,230 | $5,596,910 | 42,786 |
| 2021-04-30 04:04 | 2021-04-27 | TMCI | TREACE MEDICAL CONCEPTS, INC. | Owens Daniel E. | Officer | BUY | $17.00 | 4,000 | $68,000 | 4,000 |
| 2021-04-29 23:12 | 2021-04-28 | BSX | BOSTON SCIENTIFIC CORP | Mirviss Jeffrey B. | Officer | OPT+S | $43.98 | 48,439 | $2,130,347 | 139,158 |
| 2021-04-30 04:13 | 2021-04-27 | TMCI | TREACE MEDICAL CONCEPTS, INC. | TREACE JOHN R | Director | SELL | $17.00 | 401,250 | $6,821,250 | 2,306,606 |
| 2021-04-28 16:52 | 2021-04-26 | ATEC | Alphatec Holdings, Inc. | Sponsel David | Officer | SELL | $16.63 | 14,572 | $242,332 | 598,184 |
| 2021-04-27 23:18 | 2021-04-23 | GMED | GLOBUS MEDICAL INC | Demski David M | Director, Officer | OPT+S | $71.54 | 265,522 | $18,995,736 | 0 |
| 2021-04-28 01:27 | 2021-04-26 | DXCM | DEXCOM INC | Murphy Patrick Michael | Officer | SELL | $415.83 | 500 | $207,915 | 19,241 |
| 2021-04-26 20:31 | 2021-04-21 | CMXC | Stimcell Energetics Inc. | HARGREAVES BRADLEY S | Director, Officer, 10% owner | SELL | $0.26 | 35,000 | $9,100 | 5,695,402 |
| 2021-04-27 01:29 | 2021-04-22 | EMED | Electromedical Technologies, Inc | STEINBERG DONALD J | 10% owner | SELL | $0.12 | 25,833 | $3,022 | 3,622,416 |
| 2021-04-27 03:09 | 2021-04-23 | DXCM | DEXCOM INC | Pacelli Steven Robert | Officer | SELL | $410.31 | 1,079 | $442,727 | 53,400 |
| 2021-04-23 20:44 | 2021-04-22 | RVP | RETRACTABLE TECHNOLOGIES INC | Bigby Walter O Jr | Director | SELL | $10.02 | 5,000 | $50,100 | 90,000 |
| 2021-04-24 02:58 | 2021-04-21 | NPCE | NeuroPace Inc | Ridley Irina | Officer | BUY | $17.00 | 2,352 | $39,984 | 2,352 |
| 2021-04-24 02:44 | 2021-04-21 | NPCE | NeuroPace Inc | Accelmed Partners II L.P. | 10% owner | BUY | $17.00 | 588,235 | $9,999,995 | 588,235 |
| 2021-04-24 02:27 | 2021-04-21 | NPCE | NeuroPace Inc | Garfield Greg Shaw | Director | BUY | $17.00 | 13,235 | $224,995 | 38,853 |
| 2021-04-24 02:26 | 2021-04-21 | NPCE | NeuroPace Inc | Norton Evan | Director | BUY | $17.00 | 588,235 | $9,999,995 | 588,235 |
| 2021-04-24 02:43 | 2021-04-21 | NPCE | NeuroPace Inc | Fischer Frank M | Director | BUY | $17.00 | 50,000 | $850,000 | 93,291 |
| 2021-04-24 01:30 | 2021-04-21 | TNDM | TANDEM DIABETES CARE INC | TWOMEY CHRISTOPHER J | Director | SELL | $95.01 | 8,000 | $760,058 | 14,500 |
| 2021-04-24 03:32 | 2021-04-21 | NPCE | NeuroPace Inc | ORBIMED ADVISORS LLC | 10% owner | BUY | $17.00 | 235,000 | $3,995,000 | 235,000 |
| 2021-04-22 17:57 | 2021-04-21 | MMM | 3M CO | Ludgate Kristen M | Officer | SELL | $200.00 | 933 | $186,600 | 1,836 |
| 2021-04-22 00:03 | 2021-04-19 | CMXC | Stimcell Energetics Inc. | HARGREAVES BRADLEY S | Director, Officer, 10% owner | SELL | $0.25 | 97,342 | $24,705 | 5,730,402 |
| 2021-04-22 00:26 | 2021-04-19 | LUNG | Pulmonx Corp | Rose Geoffrey Beran | Officer | SELL | $43.24 | 4,797 | $207,422 | 121,470 |
| 2021-04-21 15:09 | 2021-04-16 | RCLFU | Spectral AI, Inc. | GLAZER CAPITAL, LLC | 10% owner | SELL | $10.00 | 577 | $5,770 | 2,594,150 |
| 2021-04-20 23:20 | 2021-04-16 | HAE | HAEMONETICS CORP | Lingamneni Anila | Officer | SELL | $119.44 | 170 | $20,305 | 3,444 |
| 2021-04-20 23:23 | 2021-04-16 | SIBN | SI-BONE, Inc. | Pisetsky Michael A | Officer | SELL | $33.65 | 243 | $8,177 | 75,316 |
| 2021-04-20 23:24 | 2021-04-16 | SIBN | SI-BONE, Inc. | RECUPERO ANTHONY J | Officer | SELL | $33.65 | 587 | $19,752 | 113,329 |
| 2021-04-20 23:24 | 2021-04-16 | SIBN | SI-BONE, Inc. | DUNN JEFFREY W | Director, Officer | SELL | $33.65 | 2,112 | $71,068 | 201,681 |
| 2021-04-19 22:06 | 2021-04-16 | CMXC | Stimcell Energetics Inc. | HARGREAVES BRADLEY S | Director, Officer, 10% owner | SELL | $0.22 | 23,500 | $5,217 | 5,827,744 |
| 2021-04-19 23:19 | 2021-04-16 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | Coleman Glenn | Officer | OPT+S | $71.50 | 25,658 | $1,834,547 | 32,056 |
| 2021-04-16 23:12 | 2021-04-15 | BSX | BOSTON SCIENTIFIC CORP | Butcher Arthur C | Officer | OPT+S | $40.00 | 9,676 | $387,040 | 29,398 |
| 2021-04-16 23:11 | 2021-04-15 | BSX | BOSTON SCIENTIFIC CORP | Mirviss Jeffrey B. | Officer | OPT+S | $40.95 | 28,123 | $1,151,640 | 139,158 |
| 2021-04-16 22:12 | 2021-04-15 | RMD | RESMED INC | Douglas Robert Andrew | Officer | SELL | $207.45 | 964 | $199,982 | 210,407 |
| 2021-04-17 00:03 | 2021-04-15 | LUNG | Pulmonx Corp | French Glendon E. III | Director, Officer | SELL | $43.75 | 26,000 | $1,137,557 | 27,571 |
| 2021-04-16 23:44 | 2021-04-15 | DXCM | DEXCOM INC | Flynn Paul R | Officer | SELL | $400.00 | 758 | $303,200 | 12,306 |
| 2021-04-17 02:59 | 2021-04-15 | ICUI | ICU MEDICAL INC/DE | LOPEZ GEORGE A | Director, 10% owner | SELL | $209.01 | 25,000 | $5,225,298 | 911,843 |
| 2021-04-15 23:11 | 2021-04-14 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | Evoli Lisa | Officer | OPT+S | $70.00 | 6,306 | $441,420 | 7,825 |
| 2021-04-16 01:01 | 2021-04-13 | NVCR | NovoCure Ltd | Danziger Asaf | Director, Officer | SELL | $196.34 | 97,973 | $19,236,323 | 8,184 |
| 2021-04-16 00:59 | 2021-04-13 | NVCR | NovoCure Ltd | Benaim Ely | Officer | OPT+S | $200.00 | 5,958 | $1,191,600 | 33,259 |
| 2021-04-15 23:12 | 2021-04-14 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | Coleman Glenn | Officer | SELL | $70.50 | 4,002 | $282,141 | 32,056 |
| 2021-04-15 23:20 | 2021-04-14 | ANGO | Angiodynamics Inc. | Helsel Dave | Officer | SELL | $23.93 | 3,500 | $83,755 | 19,115 |
| 2021-04-16 01:00 | 2021-04-13 | NVCR | NovoCure Ltd | LEUNG GABRIEL | Director | OPT+S | $198.84 | 6,000 | $1,193,035 | 72,045 |
| 2021-04-16 01:29 | 2021-04-13 | NVCR | NovoCure Ltd | DOYLE WILLIAM F | Director, Officer | SELL | $199.55 | 95,000 | $18,957,450 | 555,393 |
| 2021-04-16 00:14 | 2021-04-13 | RCLFU | Spectral AI, Inc. | GLAZER CAPITAL, LLC | 10% owner | SELL | $9.99 | 40,365 | $403,089 | 2,594,727 |
| 2021-04-14 23:04 | 2021-04-12 | BAX | BAXTER INTERNATIONAL INC | Frye Andrew | Officer | SELL | $84.79 | 10,999 | $932,605 | 9,041 |
| 2021-04-14 00:23 | 2021-04-12 | RMD | RESMED INC | Hollingshead James | Officer | SELL | $200.00 | 4,800 | $960,000 | 83,046 |
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.