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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-04-03 20:28 | 2026-04-02 | SGHT | Sight Sciences, Inc. | Bauerlein Alison | Officer | SELL | $3.48 | 25,874 | $90,042 | 701,621 |
| 2026-04-03 20:28 | 2026-04-02 | SGHT | Sight Sciences, Inc. | Badawi David | Director, Officer | SELL | $3.48 | 8,168 | $28,425 | 1,990,290 |
| 2026-04-03 20:27 | 2026-04-01 | SGHT | Sight Sciences, Inc. | Taylor Brenton | Officer | SELL | $3.70 | 2,869 | $10,615 | 267,807 |
| 2026-04-03 20:27 | 2026-04-01 | SGHT | Sight Sciences, Inc. | Badawi Paul | Director, Officer, 10% owner | SELL | $3.70 | 29,244 | $108,203 | 6,151,156 |
| 2026-04-03 22:09 | 2026-04-01 | SIBN | SI-BONE, Inc. | PISETSKY MICHAEL A. | Officer | SELL | $12.91 | 3,134 | $40,466 | 282,840 |
| 2026-04-03 22:11 | 2026-04-02 | SIBN | SI-BONE, Inc. | Maheshwari Anshul | Officer | SELL | $12.87 | 3,318 | $42,708 | 263,148 |
| 2026-04-03 22:15 | 2026-04-01 | HTFL | Heartflow, Inc. | Rogers Campbell | Officer | OPT+S | $24.64 | 64,533 | $1,590,093 | 81,002 |
| 2026-04-03 11:29 | 2026-04-01 | RMD | RESMED INC | Sandercock Brett | Officer | SELL | $224.31 | 1,000 | $224,310 | 83,495 |
| 2026-04-02 23:34 | 2026-03-31 | VVOS | Vivos Therapeutics, Inc. | Skaff Michael C | 10% owner | BUY | $1.34 | 1,353,625 | $1,813,858 | 1,353,625 |
| 2026-04-02 17:52 | 2026-04-01 | RMD | RESMED INC | FARRELL PETER C | Director | SELL | $225.00 | 2,000 | $450,000 | 60,773 |
| 2026-04-01 20:15 | 2026-03-31 | PLRZ | Polyrizon Ltd. | Izraeli Tomer | Director, Officer | SELL | $11.85 | 500 | $5,925 | 31,512 |
| 2026-04-01 20:15 | 2026-03-31 | PLRZ | Polyrizon Ltd. | Adler Oz | Director | SELL | $12.05 | 3,292 | $39,669 | 19,850 |
| 2026-04-01 20:15 | 2026-03-31 | PLRZ | Polyrizon Ltd. | Carmel Liron | Director | SELL | $12.36 | 942 | $11,643 | 3,127 |
| 2026-04-01 20:11 | 2026-03-30 | NMTC | NEUROONE MEDICAL TECHNOLOGIES Corp | Christianson Mark | Officer | SELL | $0.74 | 15,363 | $11,369 | 198,920 |
| 2026-04-01 19:35 | 2026-03-30 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $95.02 | 7,500 | $712,614 | 2,225,000 |
| 2026-03-31 20:16 | 2026-03-30 | PLRZ | Polyrizon Ltd. | Turgeman Tidhar | Director, Officer | SELL | $10.90 | 2,917 | $31,795 | 17,518 |
| 2026-03-31 20:17 | 2026-03-30 | PLRZ | Polyrizon Ltd. | Izraeli Tomer | Director, Officer | SELL | $10.90 | 3,900 | $42,510 | 32,012 |
| 2026-03-31 20:17 | 2026-03-30 | PLRZ | Polyrizon Ltd. | Carmel Liron | Director | SELL | $11.00 | 100 | $1,100 | 4,069 |
| 2026-03-31 01:16 | 2026-03-26 | VERO | Venus Concept Inc. | Madryn Asset Management, LP | 10% owner | BUY | $0.04 | 37,537,187 | $1,501,487 | 37,547,373 |
| 2026-03-30 23:41 | 2026-03-30 | STIM | Neuronetics, Inc. | Chernett Jorey | 10% owner | BUY | $1.25 | 385,442 | $481,803 | 9,778,988 |
| 2026-03-30 22:06 | 2026-03-26 | KMTS | KESTRA MEDICAL TECHNOLOGIES, LTD. | COHEN RAYMOND W | Director | BUY | $19.98 | 10,000 | $199,800 | 50,903 |
| 2026-03-30 13:37 | 2026-03-27 | STIM | Neuronetics, Inc. | Chernett Jorey | 10% owner | BUY | $1.35 | 500,000 | $675,000 | 9,393,276 |
| 2026-03-28 00:32 | 2026-03-25 | GKOS | GLAUKOS Corp | Thurman Alex R. | Officer | SELL | $106.46 | 2,511 | $267,321 | 41,967 |
| 2026-03-27 17:49 | 2026-03-26 | BDX | BECTON DICKINSON & CO | Feld Michael | Officer | SELL | $156.83 | 75 | $11,762 | 21,233 |
| 2026-03-27 13:33 | 2026-03-25 | STIM | Neuronetics, Inc. | Chernett Jorey | 10% owner | BUY | $1.41 | 150,000 | $211,005 | 8,893,276 |
| 2026-03-26 00:40 | 2026-03-24 | GKOS | GLAUKOS Corp | Thurman Alex R. | Officer | SELL | $105.24 | 1,521 | $160,070 | 46,498 |
| 2026-03-25 20:05 | 2026-03-23 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $100.35 | 7,500 | $752,609 | 2,232,500 |
| 2026-03-24 21:50 | 2026-03-19 | STIM | Neuronetics, Inc. | Sullivan Keith J | SELL | $1.34 | 46,289 | $62,027 | 1,590,924 | |
| 2026-03-24 21:52 | 2026-03-19 | STIM | Neuronetics, Inc. | Pfanstiel Steven | Officer | SELL | $1.34 | 16,431 | $22,018 | 828,781 |
| 2026-03-24 21:48 | 2026-03-19 | STIM | Neuronetics, Inc. | MACAN WILLIAM ANDREW | Officer | SELL | $1.34 | 16,005 | $21,447 | 897,270 |
| 2026-03-24 14:28 | 2026-03-23 | PETV | PetVivo Holdings, Inc. | A.L. Sarroff Fund, LLC | 10% owner | BUY | $0.68 | 24,033 | $16,412 | 10,202,229 |
| 2026-03-23 23:23 | 2026-03-20 | OSUR | ORASURE TECHNOLOGIES INC | EGLINTON MANNER CARRIE | Director, Officer | BUY | $2.93 | 32,300 | $94,597 | 2,190,874 |
| 2026-03-23 23:23 | 2026-03-20 | OSUR | ORASURE TECHNOLOGIES INC | McGrath Kenneth J | Officer | BUY | $2.93 | 32,300 | $94,600 | 589,562 |
| 2026-03-23 22:33 | 2026-03-19 | HTFL | Heartflow, Inc. | Rogers Campbell | Officer | OPT+S | $25.69 | 64,533 | $1,658,033 | 78,518 |
| 2026-03-23 13:34 | 2026-03-20 | STIM | Neuronetics, Inc. | Chernett Jorey | 10% owner | BUY | $1.41 | 169,472 | $238,956 | 8,743,276 |
| 2026-03-20 20:25 | 2026-03-11 | TLSI | TriSalus Life Sciences, Inc. | Marshak Richard | Officer | SELL | $4.11 | 3,457 | $14,210 | 110,397 |
| 2026-03-20 20:25 | 2026-03-11 | TLSI | TriSalus Life Sciences, Inc. | Stevens Jennifer | Officer | SELL | $4.11 | 3,530 | $14,509 | 124,110 |
| 2026-03-20 20:25 | 2026-03-11 | TLSI | TriSalus Life Sciences, Inc. | Szela Mary T | Director, Officer | SELL | $3.91 | 20,302 | $79,383 | 752,987 |
| 2026-03-20 22:24 | 2026-03-18 | HTFL | Heartflow, Inc. | Farquhar John C.M. | Director, Officer | SELL | $25.00 | 9,725 | $243,125 | 571,725 |
| 2026-03-20 20:25 | 2026-03-11 | TLSI | TriSalus Life Sciences, Inc. | Cox Bryan F. | Officer | SELL | $4.11 | 3,184 | $13,086 | 163,415 |
| 2026-03-20 20:25 | 2026-03-11 | TLSI | TriSalus Life Sciences, Inc. | Devlin Jodi | Officer | SELL | $4.11 | 3,207 | $13,171 | 97,364 |
| 2026-03-20 12:51 | 2026-03-18 | STIM | Neuronetics, Inc. | Chernett Jorey | 10% owner | BUY | $1.34 | 1,057,400 | $1,418,502 | 8,573,804 |
| 2026-03-19 21:47 | 2026-03-19 | PRCT | PROCEPT BioRobotics Corp | Nouri Alaleh | Officer | SELL | $25.96 | 5,363 | $139,231 | 105,354 |
| 2026-03-19 20:25 | 2026-03-17 | PRCT | PROCEPT BioRobotics Corp | Waters Kevin | Officer | SELL | $28.15 | 706 | $19,876 | 151,558 |
| 2026-03-19 20:25 | 2026-03-17 | PRCT | PROCEPT BioRobotics Corp | Nouri Alaleh | Officer | SELL | $28.15 | 304 | $8,559 | 110,717 |
| 2026-03-19 20:31 | 2026-03-17 | OFIX | Orthofix Medical Inc. | Vitale Lucas | Officer | SELL | $11.92 | 4,269 | $50,886 | 160,449 |
| 2026-03-19 20:10 | 2026-03-17 | KMTS | KESTRA MEDICAL TECHNOLOGIES, LTD. | Webster Brian Daniel | Director, Officer | SELL | $20.27 | 15,000 | $304,124 | 364,786 |
| 2026-03-19 20:10 | 2026-03-17 | GKOS | GLAUKOS Corp | Thurman Alex R. | Officer | SELL | $99.15 | 625 | $61,969 | 49,249 |
| 2026-03-19 20:10 | 2026-03-16 | GKOS | GLAUKOS Corp | Navratil Tomas | Officer | SELL | $98.04 | 1,031 | $101,078 | 73,631 |
| 2026-03-18 20:06 | 2026-03-17 | TNDM | TANDEM DIABETES CARE INC | Novara Mark David | Officer | OPT+S | $23.05 | 187 | $4,310 | 37,656 |
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.