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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2022-05-20 02:14 | 2022-05-17 | TNDM | TANDEM DIABETES CARE INC | BLICKENSTAFF KIM D | Director | OPT+S | $92.91 | 10,762 | $999,897 | 205,190 |
| 2022-05-19 14:01 | 2022-05-18 | CTSO | Cytosorbents Corp | BATOR MICHAEL G. | Director | BUY | $2.19 | 11,000 | $24,130 | 84,800 |
| 2022-05-19 23:15 | 2022-05-17 | PSTV | PLUS THERAPEUTICS, INC. | Petersen Greg | Director | BUY | $0.55 | 30,000 | $16,500 | 62,500 |
| 2022-05-19 00:10 | 2022-05-16 | HAE | HAEMONETICS CORP | Miller Laurie A. | Officer | SELL | $56.10 | 31 | $1,739 | 10,232 |
| 2022-05-19 00:01 | 2022-05-16 | HAE | HAEMONETICS CORP | Llorens Josep | Officer | SELL | $56.10 | 107 | $6,003 | 14,413 |
| 2022-05-18 18:52 | 2022-05-17 | MMM | 3M CO | Poul Mojdeh | Officer | OPT+S | $151.68 | 1,634 | $247,845 | 7,637 |
| 2022-05-18 23:53 | 2022-05-16 | HAE | HAEMONETICS CORP | Goldstein Dan | Officer | SELL | $56.10 | 50 | $2,805 | 4,004 |
| 2022-05-18 23:40 | 2022-05-16 | HAE | HAEMONETICS CORP | Basil Michelle L | Officer | SELL | $56.10 | 196 | $10,996 | 38,094 |
| 2022-05-18 23:26 | 2022-05-16 | HAE | HAEMONETICS CORP | Simon, Christopher | Director, Officer | SELL | $56.10 | 832 | $46,675 | 191,327 |
| 2022-05-18 17:42 | 2022-05-16 | DCTH | DELCATH SYSTEMS, INC. | Purpura John | Officer | BUY | $4.61 | 3,300 | $15,213 | 27,021 |
| 2022-05-19 00:31 | 2022-05-18 | INFU | InfuSystem Holdings, Inc | Lehman Gregg Owen | Director | OPT+S | $8.62 | 10,000 | $86,200 | 346 |
| 2022-05-17 23:37 | 2022-05-16 | BSX | BOSTON SCIENTIFIC CORP | Carruthers Wendy | Officer | SELL | $39.43 | 7,500 | $295,725 | 139,913 |
| 2022-05-18 04:40 | 2022-05-13 | SGHT | Sight Sciences, Inc. | Encrantz Staffan | Director, 10% owner | BUY | $8.33 | 551,802 | $4,598,111 | 551,802 |
| 2022-05-17 23:05 | 2022-05-13 | SGHT | Sight Sciences, Inc. | Selnick Jesse | Officer | BUY | $8.28 | 5,000 | $41,400 | 249,225 |
| 2022-05-17 20:20 | 2022-05-16 | RMD | RESMED INC | Farrell Michael J. | Officer | OPT+S | $196.61 | 5,675 | $1,115,745 | 405,260 |
| 2022-05-18 03:57 | 2022-05-16 | SIBN | SI-BONE, Inc. | Maheshwari Anshul | Officer | SELL | $12.58 | 4,111 | $51,719 | 91,196 |
| 2022-05-18 03:55 | 2022-05-16 | SIBN | SI-BONE, Inc. | Pisetsky Michael A | Officer | SELL | $12.58 | 3,466 | $43,605 | 123,724 |
| 2022-05-18 01:15 | 2022-05-17 | VERO | Venus Concept Inc. | PORTARO ROSS | Officer | BUY | $0.85 | 10,000 | $8,500 | 60,000 |
| 2022-05-18 00:27 | 2022-05-13 | ATEC | Alphatec Holdings, Inc. | Pritzker Jennifer N. | 10% owner | BUY | $8.08 | 6,000 | $48,480 | 5,731 |
| 2022-05-17 15:41 | 2022-05-13 | ATRC | AtriCure, Inc. | Austin Tonya | Officer | SELL | $42.69 | 3,203 | $136,736 | 17,621 |
| 2022-05-18 00:35 | 2022-05-13 | LYRA | Lyra Therapeutics, Inc. | MERRIFIELD C ANN | Director | BUY | $4.83 | 3,828 | $18,485 | 7,328 |
| 2022-05-18 03:54 | 2022-05-16 | SIBN | SI-BONE, Inc. | FRANCIS LAURA | Director, Officer | SELL | $12.58 | 4,805 | $60,450 | 331,395 |
| 2022-05-18 03:56 | 2022-05-16 | SIBN | SI-BONE, Inc. | RECUPERO ANTHONY J | Officer | SELL | $12.58 | 5,466 | $68,766 | 175,214 |
| 2022-05-17 23:44 | 2022-05-16 | CTSO | Cytosorbents Corp | Jones Edward Raymond | Director | BUY | $2.24 | 1,676 | $3,749 | 81,315 |
| 2022-05-18 03:53 | 2022-05-16 | SIBN | SI-BONE, Inc. | DUNN JEFFREY W | Director | SELL | $12.58 | 5,608 | $70,553 | 137,383 |
| 2022-05-16 19:04 | 2022-05-13 | DCTH | DELCATH SYSTEMS, INC. | SALAMON STEVEN A J | Director | BUY | $5.03 | 5,000 | $25,135 | 440,100 |
| 2022-05-16 23:11 | 2022-05-12 | KRMD | KORU Medical Systems, Inc. | Tharby Linda M | Officer | BUY | $2.19 | 10,197 | $22,326 | 1,030,304 |
| 2022-05-17 00:49 | 2022-05-16 | PRCT | PROCEPT BioRobotics Corp | Nouri Alaleh | Officer | SELL | $35.06 | 678 | $23,771 | 46,468 |
| 2022-05-16 15:49 | 2022-05-12 | KRMD | KORU Medical Systems, Inc. | Manko Joseph M. Jr. | Director, 10% owner | BUY | $2.08 | 40,000 | $83,072 | 7,413,647 |
| 2022-05-17 01:22 | 2022-05-12 | TELA | TELA Bio, Inc. | EW HEALTHCARE PARTNERS FUND 2, L.P. | BUY | $8.43 | 15,000 | $126,500 | 3,410,709 | |
| 2022-05-16 23:02 | 2022-05-12 | RVP | RETRACTABLE TECHNOLOGIES INC | Leonard Braden Michael | 10% owner | BUY | $3.96 | 139,881 | $553,719 | 3,563,345 |
| 2022-05-13 19:12 | 2022-05-12 | DCTH | DELCATH SYSTEMS, INC. | SALAMON STEVEN A J | Director | BUY | $4.90 | 6,000 | $29,424 | 29,424 |
| 2022-05-13 23:55 | 2022-05-12 | ICUI | ICU MEDICAL INC/DE | LOPEZ GEORGE A | Director | BUY | $172.91 | 25,835 | $4,467,256 | 281,444 |
| 2022-05-13 17:57 | 2022-05-10 | STIM | Neuronetics, Inc. | CANNELL CAPITAL LLC | 10% owner | BUY | $2.14 | 121,646 | $260,018 | 3,329,150 |
| 2022-05-13 23:06 | 2022-05-12 | SSKN | STRATA Skin Sciences, Inc. | Lesovitz Christopher | Officer | BUY | $1.12 | 23,131 | $25,907 | 23,131 |
| 2022-05-12 23:36 | 2022-05-10 | PDEX | PRO DEX INC | Philp Katrina Marie Kramer | Director | BUY | $14.98 | 3,900 | $58,422 | 14,696 |
| 2022-05-12 23:53 | 2022-05-12 | ICUI | ICU MEDICAL INC/DE | Sanzone Virginia Ruth | Officer | SELL | $173.56 | 750 | $130,170 | 3,371 |
| 2022-05-12 15:30 | 2022-05-11 | ANIK | Anika Therapeutics Inc. | Colleran David | Officer | BUY | $21.37 | 1,500 | $32,055 | 9,867 |
| 2022-05-12 23:30 | 2022-05-10 | NVCR | NovoCure Ltd | Benaim Ely | Officer | SELL | $63.17 | 4,205 | $265,646 | 34,846 |
| 2022-05-12 17:27 | 2022-05-10 | SRTS | Sensus Healthcare, Inc. | McCall William H | Director | SELL | $7.54 | 10,000 | $75,400 | 325,723 |
| 2022-05-12 22:30 | 2022-05-12 | ICUI | ICU MEDICAL INC/DE | FINNEY ELISHA W | Director | OPT+S | $170.53 | 217 | $37,005 | 1,933 |
| 2022-05-12 23:30 | 2022-05-11 | CTSO | Cytosorbents Corp | Sobel Alan D. | Director | BUY | $2.02 | 10,000 | $20,175 | 79,300 |
| 2022-05-13 01:36 | 2022-05-10 | CERS | CERUS CORP | Green Kevin Dennis | Officer | SELL | $4.98 | 57,335 | $285,373 | 222,999 |
| 2022-05-11 23:30 | 2022-05-09 | STSS | Sharps Technology Inc. | Ruemler Timothy James | Director, 10% owner | BUY | $1.25 | 112,000 | $140,000 | 1,011,209 |
| 2022-05-12 01:01 | 2022-05-09 | TMCI | TREACE MEDICAL CONCEPTS, INC. | Owens Daniel E. | Officer | OPT+S | $15.96 | 1,000 | $15,960 | 10,700 |
| 2022-05-12 01:19 | 2022-05-09 | TELA | TELA Bio, Inc. | EW HEALTHCARE PARTNERS FUND 2, L.P. | BUY | $9.16 | 15,000 | $137,351 | 3,395,709 | |
| 2022-05-12 01:28 | 2022-05-09 | RVP | RETRACTABLE TECHNOLOGIES INC | Leonard Braden Michael | 10% owner | BUY | $3.83 | 73,464 | $281,044 | 3,423,464 |
| 2022-05-11 23:42 | 2022-05-11 | UTMD | UTAH MEDICAL PRODUCTS INC | PAYNE BARBARA A | Director | SELL | $85.20 | 2,000 | $170,397 | 5,338 |
| 2022-05-12 00:59 | 2022-05-09 | TMCI | TREACE MEDICAL CONCEPTS, INC. | TREACE JOHN R | Director | SELL | $14.01 | 75,000 | $1,050,675 | 1,822,790 |
| 2022-05-11 01:45 | 2022-05-06 | TNDM | TANDEM DIABETES CARE INC | Vosseller Leigh | Officer | BUY | $74.61 | 2,500 | $186,528 | 9,118 |
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.