Orthopedic, Prosthetic & Surgical Appliances & Supplies
Standard Industrial Classification: SIC 3842
Industry Insider Sentiment Analysis
The Orthopedic, Prosthetic & Surgical Appliances & Supplies sector (SIC 3842) 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-08-01 23:05 | 2025-08-01 | ALGN | Align Technology, Inc. | HOGAN JOSEPH M | Director, Officer | BUY | $131.49 | 7,576 | $996,131 | 184,945 |
| 2025-07-31 04:00 | 2025-07-29 | HSCS | HeartSciences Inc. | HILZ MARK T | Director, Officer | SELL | $3.54 | 4,416 | $15,621 | 4,752 |
| 2025-07-29 20:02 | 2025-07-28 | ISRG | INTUITIVE SURGICAL INC | GUTHART GARY S | Director, Officer | OPT+S | $497.75 | 10,693 | $5,322,418 | 18,520 |
| 2025-07-29 01:23 | 2025-07-28 | EW | Edwards Lifesciences Corp | Lippis Daniel J. | Officer | SELL | $79.46 | 4,114 | $326,900 | 22,002 |
| 2025-07-26 01:50 | 2025-07-25 | ISRG | INTUITIVE SURGICAL INC | Curet Myriam | Officer | OPT+S | $492.48 | 4,500 | $2,216,160 | 353 |
| 2025-07-22 23:36 | 2025-07-17 | MLSS | MILESTONE SCIENTIFIC INC. | BP4 S.r.l. | 10% owner | SELL | $0.64 | 10,000 | $6,400 | 9,298,724 |
| 2025-07-11 00:04 | 2025-07-03 | MLSS | MILESTONE SCIENTIFIC INC. | BP4 S.r.l. | 10% owner | SELL | $0.68 | 92,900 | $62,800 | 9,308,799 |
| 2025-07-02 23:31 | 2025-06-23 | MLSS | MILESTONE SCIENTIFIC INC. | BP4 S.r.l. | 10% owner | SELL | $0.78 | 27,882 | $21,882 | 9,417,608 |
| 2025-07-02 23:01 | 2025-07-01 | ESTA | ESTABLISHMENT LABS HOLDINGS INC. | JW Asset Management, LLC | 10% owner | SELL | $44.38 | 9,700 | $430,486 | 3,082,785 |
| 2025-06-24 23:35 | 2025-06-23 | CDRE | Cadre Holdings, Inc. | KANDERS WARREN B | Director, Officer, 10% owner | SELL | $32.78 | 25,000 | $819,500 | 10,216,192 |
| 2025-06-25 01:49 | 2025-06-23 | RBOT | Vicarious Surgical Inc. | Sachs Adam David | Director, Officer, 10% owner | SELL | $7.80 | 279 | $2,176 | 50,444 |
| 2025-06-25 01:48 | 2025-06-23 | RBOT | Vicarious Surgical Inc. | Khalifa Sammy | Director, Officer, 10% owner | SELL | $7.81 | 223 | $1,743 | 35,407 |
| 2025-06-23 23:15 | 2025-06-18 | CDRE | Cadre Holdings, Inc. | KANDERS WARREN B | Director, Officer, 10% owner | SELL | $33.48 | 100,000 | $3,348,000 | 10,241,192 |
| 2025-06-20 16:51 | 2025-06-16 | MLSS | MILESTONE SCIENTIFIC INC. | BP4 S.r.l. | 10% owner | SELL | $0.89 | 11,749 | $10,491 | 9,445,490 |
| 2025-06-20 19:44 | 2025-06-18 | LAKE | LAKELAND INDUSTRIES INC | Jenkins James M. | Director, Officer | BUY | $13.14 | 1,000 | $13,140 | 97,272 |
| 2025-06-17 23:34 | 2025-06-13 | STE | STERIS plc | Zangerle John Adam | Officer | SELL | $241.45 | 1,978 | $477,581 | 33,760 |
| 2025-06-17 23:06 | 2025-06-13 | ZBH | ZIMMER BIOMET HOLDINGS, INC. | Yi Sang | Officer | SELL | $92.51 | 800 | $74,011 | 19,624 |
| 2025-06-16 16:10 | 2025-06-11 | MLSS | MILESTONE SCIENTIFIC INC. | BP4 S.r.l. | 10% owner | SELL | $0.90 | 23,797 | $21,465 | 9,457,239 |
| 2025-06-17 00:09 | 2025-06-16 | EW | Edwards Lifesciences Corp | Wood Larry L | Officer | OPT+S | $75.23 | 8,950 | $673,268 | 206,900 |
| 2025-06-13 23:10 | 2025-06-11 | COCH | Envoy Medical, Inc. | Patel Mona Chetan | Director | BUY | $1.47 | 2,500 | $3,675 | 20,000 |
| 2025-06-13 23:39 | 2025-06-11 | ZBH | ZIMMER BIOMET HOLDINGS, INC. | Yi Sang | Officer | SELL | $95.00 | 1,000 | $95,000 | 20,424 |
| 2025-06-11 23:02 | 2025-06-09 | MLSS | MILESTONE SCIENTIFIC INC. | BP4 S.r.l. | 10% owner | SELL | $0.91 | 50,366 | $45,712 | 9,481,036 |
| 2025-06-10 23:11 | 2025-06-06 | COCH | Envoy Medical, Inc. | Patel Mona Chetan | Director | BUY | $1.46 | 10,000 | $14,600 | 17,500 |
| 2025-06-10 18:22 | 2025-06-05 | MLSS | MILESTONE SCIENTIFIC INC. | BP4 S.r.l. | 10% owner | SELL | $0.90 | 87,055 | $78,715 | 9,531,402 |
| 2025-06-06 23:30 | 2025-06-05 | STE | STERIS plc | Carestio Daniel A | Director, Officer | SELL | $242.56 | 17,626 | $4,275,338 | 51,385 |
| 2025-06-06 21:14 | 2025-06-03 | MLSS | MILESTONE SCIENTIFIC INC. | BP4 S.r.l. | 10% owner | SELL | $0.93 | 14,000 | $12,963 | 9,618,457 |
| 2025-06-06 23:20 | 2025-06-05 | ISRG | INTUITIVE SURGICAL INC | Brosius Mark | Officer | SELL | $561.91 | 431 | $242,182 | 907 |
| 2025-06-05 23:15 | 2025-06-03 | CDRE | Cadre Holdings, Inc. | KANDERS WARREN B | Director, Officer, 10% owner | SELL | $33.61 | 125,000 | $4,200,750 | 10,341,192 |
| 2025-06-04 21:16 | 2025-06-03 | RBOT | Vicarious Surgical Inc. | Khalifa Sammy | Director, Officer, 10% owner | SELL | $7.25 | 239 | $1,733 | 35,630 |
| 2025-06-04 21:16 | 2025-06-03 | RBOT | Vicarious Surgical Inc. | Sachs Adam David | Director, Officer, 10% owner | SELL | $7.22 | 463 | $3,343 | 50,723 |
| 2025-06-05 01:44 | 2025-06-02 | ISRG | INTUITIVE SURGICAL INC | Brosius Mark | Officer | SELL | $550.60 | 645 | $355,139 | 1,338 |
| 2025-06-03 23:15 | 2025-05-30 | CDRE | Cadre Holdings, Inc. | KANDERS WARREN B | Director, Officer, 10% owner | SELL | $32.75 | 50,000 | $1,637,500 | 10,466,192 |
| 2025-06-03 23:00 | 2025-05-30 | MLSS | MILESTONE SCIENTIFIC INC. | BP4 S.r.l. | 10% owner | SELL | $0.94 | 22,118 | $20,744 | 9,632,457 |
| 2025-06-04 00:15 | 2025-05-30 | EW | Edwards Lifesciences Corp | Zovighian Bernard J | Director, Officer | SELL | $77.22 | 17,066 | $1,317,837 | 8,597 |
| 2025-06-03 00:01 | 2025-06-02 | EW | Edwards Lifesciences Corp | BOBO DONALD E JR | Officer | SELL | $77.40 | 2,570 | $198,911 | 50,356 |
| 2025-05-31 00:08 | 2025-05-28 | MLSS | MILESTONE SCIENTIFIC INC. | BP4 S.r.l. | 10% owner | SELL | $0.96 | 17,617 | $16,912 | 9,654,831 |
| 2025-05-29 23:15 | 2025-05-27 | CDRE | Cadre Holdings, Inc. | KANDERS WARREN B | Director, Officer, 10% owner | SELL | $32.91 | 100,000 | $3,290,500 | 10,516,192 |
| 2025-05-27 23:15 | 2025-05-22 | CDRE | Cadre Holdings, Inc. | KANDERS WARREN B | Director, Officer, 10% owner | SELL | $32.92 | 100,000 | $3,292,000 | 10,616,192 |
| 2025-05-28 01:34 | 2025-05-22 | COCH | Envoy Medical, Inc. | BRYNELSEN CHARLES | Director | BUY | $1.65 | 50,000 | $82,405 | 50,000 |
| 2025-05-22 23:15 | 2025-05-20 | CDRE | Cadre Holdings, Inc. | KANDERS WARREN B | Director, Officer, 10% owner | SELL | $34.86 | 100,000 | $3,486,000 | 10,716,192 |
| 2025-05-22 23:31 | 2025-05-20 | STE | STERIS plc | Majors Cary L | Officer | OPT+S | $250.08 | 12,828 | $3,208,026 | 11,372 |
| 2025-05-22 23:29 | 2025-05-21 | LFWD | Lifeward Ltd. | Jasinski Lawrence J | Director, Officer | SELL | $1.26 | 1,909 | $2,405 | 98,728 |
| 2025-05-23 00:08 | 2025-05-22 | EW | Edwards Lifesciences Corp | Chopra Daveen | Officer | SELL | $75.08 | 1,500 | $112,613 | 33,496 |
| 2025-05-21 20:19 | 2025-05-20 | RBOT | Vicarious Surgical Inc. | Khalifa Sammy | Director, Officer, 10% owner | SELL | $7.52 | 653 | $4,912 | 35,869 |
| 2025-05-21 20:19 | 2025-05-20 | RBOT | Vicarious Surgical Inc. | Sachs Adam David | Director, Officer, 10% owner | SELL | $7.53 | 817 | $6,150 | 51,186 |
| 2025-05-17 01:58 | 2025-05-15 | ISRG | INTUITIVE SURGICAL INC | Brosius Mark | Officer | SELL | $561.81 | 42 | $23,596 | 1,983 |
| 2025-05-15 23:53 | 2025-05-14 | MYO | MYOMO, INC. | KIRK THOMAS F | Director | BUY | $3.25 | 38,767 | $125,993 | 344,700 |
| 2025-05-15 23:36 | 2025-05-15 | MYO | MYOMO, INC. | GUDONIS PAUL R | Director, Officer | BUY | $3.22 | 30,000 | $96,612 | 1,051,671 |
| 2025-05-14 16:50 | 2025-05-13 | MSA | MSA Safety Inc | Vartanian Nishan J. | Director | SELL | $161.32 | 30,000 | $4,839,600 | 35,401 |
| 2025-05-14 15:27 | 2025-05-12 | MYO | MYOMO, INC. | KIRK THOMAS F | Director | BUY | $3.35 | 50,000 | $167,500 | 305,933 |
Sector-Wide Insider Alpha
Analyzing insider movements across the Orthopedic, Prosthetic & Surgical Appliances & Supplies sector provides a macro-view of executive conviction. When multiple leaders in different companies within the same SIC code (3842) simultaneously buy shares, it often indicates an industry-wide undervaluation or a positive shift in market cycles.
SEC Filings in Orthopedic, Prosthetic & Surgical Appliances & Supplies
Every transaction in the Orthopedic, Prosthetic & Surgical Appliances & Supplies 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.