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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023-12-02 03:39 | 2023-11-29 | SGHT | Sight Sciences, Inc. | Encrantz Staffan | Director, 10% owner | BUY | $3.46 | 144,000 | $497,923 | 1,012,150 |
| 2023-12-02 05:57 | 2023-11-29 | NPCE | NeuroPace Inc | KCK LTD. | 10% owner | SELL | $8.78 | 16,167 | $141,883 | 5,593,773 |
| 2023-12-02 00:05 | 2023-11-27 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $41.09 | 10,000 | $410,868 | 202,950 |
| 2023-12-02 01:28 | 2023-11-29 | TFX | TELEFLEX INC | POWELL THOMAS E | Officer | OPT+S | $222.88 | 13,952 | $3,109,672 | 14,384 |
| 2023-12-01 20:03 | 2023-11-30 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.13 | 2,577 | $2,923 | 14,092,785 |
| 2023-12-02 03:36 | 2023-11-29 | PLSE | PULSE BIOSCIENCES, INC. | DUGGAN ROBERT W | Director, 10% owner | BUY | $9.38 | 218,600 | $2,049,790 | 60,000 |
| 2023-12-01 01:02 | 2023-11-29 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.14 | 1,000 | $1,140 | 14,090,208 |
| 2023-12-01 03:25 | 2023-11-28 | PLSE | PULSE BIOSCIENCES, INC. | DUGGAN ROBERT W | Director, 10% owner | BUY | $8.98 | 124,397 | $1,117,085 | 36,391,194 |
| 2023-11-30 20:24 | 2023-11-29 | UFPT | UFP TECHNOLOGIES INC | BAILLY R JEFFREY | Director, Officer | SELL | $173.00 | 1 | $173 | 72,124 |
| 2023-11-30 01:35 | 2023-11-27 | NPCE | NeuroPace Inc | KCK LTD. | 10% owner | SELL | $8.87 | 11,171 | $99,109 | 5,609,940 |
| 2023-11-30 00:10 | 2023-11-27 | TNDM | TANDEM DIABETES CARE INC | Allen Dick | Director | BUY | $18.96 | 5,000 | $94,778 | 19,962 |
| 2023-11-29 17:15 | 2023-11-27 | AORT | Artivion Inc. | Horton Amy | Officer | SELL | $17.34 | 2,101 | $36,431 | 105,599 |
| 2023-11-30 03:45 | 2023-11-27 | RMD | RESMED INC | Sandercock Brett | Officer | SELL | $152.62 | 3,000 | $457,860 | 92,962 |
| 2023-11-29 18:19 | 2023-11-28 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.09 | 4,317 | $4,697 | 14,089,208 |
| 2023-11-30 03:27 | 2023-11-28 | BDX | BECTON DICKINSON & CO | Byrd Richard | Officer | SELL | $238.47 | 2,156 | $514,141 | 4,120 |
| 2023-11-29 23:08 | 2023-11-27 | UFPT | UFP TECHNOLOGIES INC | BAILLY R JEFFREY | Director, Officer | SELL | $173.00 | 45 | $7,785 | 72,125 |
| 2023-11-29 04:09 | 2023-11-28 | SYK | STRYKER CORP | Berry William E Jr | Officer | SELL | $292.28 | 573 | $167,477 | 2,909 |
| 2023-11-29 04:32 | 2023-11-24 | SGHT | Sight Sciences, Inc. | Encrantz Staffan | Director, 10% owner | BUY | $3.37 | 521,855 | $1,760,530 | 868,150 |
| 2023-11-29 00:00 | 2023-02-20 | TTOO | T2 Biosystems, Inc. | Giffin Brett A. | Officer | OPT+S | $0.65 | 537 | $349 | 3,049 |
| 2023-11-28 18:16 | 2023-11-27 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.12 | 2,800 | $3,131 | 14,084,891 |
| 2023-11-27 16:12 | 2023-11-22 | STSS | Sharps Technology Inc. | Ruemler Timothy James | Director | BUY | $0.45 | 10,000 | $4,500 | 1,042,209 |
| 2023-11-28 00:05 | 2023-11-22 | ICU | SeaStar Medical Holding Corp | Van Heel Kenneth | Director | BUY | $0.40 | 100,000 | $40,000 | 116,400 |
| 2023-11-28 03:30 | 2023-11-22 | LNSR | LENSAR, Inc. | Winer Gary M | Director | BUY | $2.10 | 300 | $630 | 53,345 |
| 2023-11-27 18:19 | 2023-11-22 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.11 | 2,400 | $2,664 | 14,082,091 |
| 2023-11-28 02:14 | 2023-11-22 | LUNG | Pulmonx Corp | Rose Geoffrey Beran | Officer | SELL | $10.60 | 1,184 | $12,550 | 249,469 |
| 2023-11-28 03:34 | 2023-11-09 | DXCM | DEXCOM INC | Naganathan Girish | Officer | SELL | $93.27 | 2,725 | $254,161 | 47,725 |
| 2023-11-28 00:00 | 2023-11-24 | DXCM | DEXCOM INC | Pacelli Steven Robert | Officer | SELL | $110.80 | 411 | $45,539 | 124,775 |
| 2023-11-28 00:02 | 2023-11-22 | UFPT | UFP TECHNOLOGIES INC | BAILLY R JEFFREY | Director, Officer | SELL | $173.59 | 18,084 | $3,139,165 | 72,170 |
| 2023-11-24 23:58 | 2023-09-28 | UFPT | UFP TECHNOLOGIES INC | Holt Jason | Officer | SELL | $156.57 | 400 | $62,628 | 6,125 |
| 2023-11-24 16:30 | 2023-11-22 | STSS | Sharps Technology Inc. | Ruemler Timothy James | Director | BUY | $0.45 | 10,000 | $4,500 | 1,032,209 |
| 2023-11-24 23:51 | 2023-11-22 | DXCM | DEXCOM INC | Stern Sadie | Officer | SELL | $110.00 | 1,176 | $129,360 | 76,400 |
| 2023-11-25 05:26 | 2023-11-21 | UFPT | UFP TECHNOLOGIES INC | BAILLY R JEFFREY | Director, Officer | SELL | $175.16 | 1,300 | $227,708 | 90,254 |
| 2023-11-22 21:11 | 2023-09-12 | MDAI | Spectral AI, Inc. | DiMaio John Michael | 10% owner | BUY | $3.62 | 4,053 | $14,652 | 2,481,908 |
| 2023-11-23 02:19 | 2023-11-20 | SGHT | Sight Sciences, Inc. | Encrantz Staffan | Director, 10% owner | BUY | $2.39 | 188,796 | $450,429 | 346,295 |
| 2023-11-23 01:01 | 2023-11-21 | MDXG | MIMEDX GROUP, INC. | DOUG RICE | Officer | BUY | $7.16 | 5,000 | $35,787 | 102,200 |
| 2023-11-23 00:05 | 2023-11-20 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $42.48 | 10,000 | $424,806 | 212,950 |
| 2023-11-22 19:27 | 2023-11-21 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.10 | 1,500 | $1,650 | 14,079,691 |
| 2023-11-21 15:42 | 2023-11-17 | DCTH | DELCATH SYSTEMS, INC. | Pennell Sandra | Officer | BUY | $2.43 | 30,000 | $72,900 | 30,000 |
| 2023-11-22 01:23 | 2023-11-17 | STSS | Sharps Technology Inc. | Ruemler Timothy James | Director | BUY | $0.41 | 15,000 | $6,174 | 1,022,209 |
| 2023-11-22 00:15 | 2023-11-20 | BSX | BOSTON SCIENTIFIC CORP | Butcher Arthur C | Officer | OPT+S | $54.06 | 8,278 | $447,509 | 6,977 |
| 2023-11-21 19:07 | 2023-11-17 | DCTH | DELCATH SYSTEMS, INC. | Rosalind Advisors, Inc. | Director | BUY | $2.40 | 100,000 | $240,410 | 1,038,828 |
| 2023-11-22 01:18 | 2023-11-17 | SYK | STRYKER CORP | Lobo Kevin | Director, Officer | OPT+S | $287.91 | 56,483 | $16,261,812 | 81,034 |
| 2023-11-22 00:15 | 2023-11-21 | RCEL | AVITA Medical, Inc. | O'Toole David D | Officer | BUY | $10.28 | 2,000 | $20,560 | 15,000 |
| 2023-11-22 01:30 | 2023-11-20 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.08 | 1,531 | $1,648 | 14,078,191 |
| 2023-11-21 00:20 | 2023-11-16 | DCTH | DELCATH SYSTEMS, INC. | Hoffman David L. | Officer | BUY | $2.48 | 40,000 | $99,200 | 40,000 |
| 2023-11-21 05:45 | 2023-11-16 | SGHT | Sight Sciences, Inc. | Encrantz Staffan | Director, 10% owner | BUY | $2.19 | 127,003 | $277,971 | 157,499 |
| 2023-11-21 00:22 | 2023-11-16 | DCTH | DELCATH SYSTEMS, INC. | Vukovic Vojo | Officer | BUY | $2.48 | 60,000 | $148,800 | 60,000 |
| 2023-11-21 02:43 | 2023-11-16 | SIBN | SI-BONE, Inc. | Maheshwari Anshul | Officer | SELL | $17.59 | 1,733 | $30,478 | 148,738 |
| 2023-11-21 02:44 | 2023-11-16 | SIBN | SI-BONE, Inc. | RECUPERO ANTHONY J | Officer | SELL | $17.72 | 8,457 | $149,856 | 200,839 |
| 2023-11-21 04:56 | 2023-11-17 | PLSE | PULSE BIOSCIENCES, INC. | DUGGAN ROBERT W | Director, 10% owner | BUY | $6.10 | 20,241 | $123,470 | 36,266,797 |
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.