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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-01-07 03:10 | 2026-01-02 | SGHT | Sight Sciences, Inc. | Badawi Paul | Director, Officer, 10% owner | SELL | $7.45 | 37,226 | $277,181 | 5,925,276 |
| 2026-01-07 03:09 | 2026-01-05 | SGHT | Sight Sciences, Inc. | HAYDEN JEREMY B. | Officer | SELL | $7.77 | 11,170 | $86,743 | 245,420 |
| 2026-01-07 03:08 | 2026-01-02 | SGHT | Sight Sciences, Inc. | Badawi David | Director, Officer | SELL | $7.57 | 9,660 | $73,148 | 1,917,109 |
| 2026-01-07 03:04 | 2026-01-05 | SGHT | Sight Sciences, Inc. | Rodberg James | Officer | SELL | $7.78 | 4,999 | $38,890 | 153,846 |
| 2026-01-07 03:03 | 2026-01-05 | SGHT | Sight Sciences, Inc. | Bauerlein Alison | Officer | SELL | $7.66 | 20,543 | $157,366 | 599,983 |
| 2026-01-07 03:01 | 2026-01-06 | SGHT | Sight Sciences, Inc. | Taylor Brenton | Officer | SELL | $7.48 | 619 | $4,630 | 170,212 |
| 2026-01-07 02:20 | 2026-01-02 | SIBN | SI-BONE, Inc. | Maheshwari Anshul | Officer | SELL | $19.64 | 5,229 | $102,711 | 180,002 |
| 2026-01-07 02:21 | 2026-01-02 | SIBN | SI-BONE, Inc. | PISETSKY MICHAEL A. | Officer | SELL | $19.62 | 3,460 | $67,896 | 228,436 |
| 2026-01-07 00:05 | 2026-01-05 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $97.68 | 5,000 | $488,418 | 2,277,500 |
| 2026-01-07 03:33 | 2026-01-02 | PEN | Penumbra Inc | Wilder Thomas | Director | SELL | $310.72 | 186 | $57,794 | 0 |
| 2026-01-07 03:00 | 2026-01-05 | ATEC | Alphatec Holdings, Inc. | Miles Patrick | Director, Officer | SELL | $21.01 | 100,000 | $2,101,000 | 5,135,398 |
| 2026-01-07 02:22 | 2026-01-02 | SIBN | SI-BONE, Inc. | RECUPERO ANTHONY J | Officer | SELL | $19.62 | 3,677 | $72,144 | 264,467 |
| 2026-01-07 00:53 | 2026-01-02 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Burns Kristie | Officer | SELL | $28.85 | 5,139 | $148,260 | 72,401 |
| 2026-01-05 21:18 | 2026-01-02 | RMD | RESMED INC | Rider Michael J | Officer | SELL | $241.75 | 50 | $12,088 | 9,741 |
| 2026-01-06 02:03 | 2026-01-02 | BBNX | Beta Bionics, Inc. | Feider Stephen | Officer | OPT+S | $29.53 | 20,000 | $590,680 | 42,614 |
| 2026-01-06 02:05 | 2026-01-02 | BBNX | Beta Bionics, Inc. | Mensinger Mike | Officer | SELL | $29.61 | 7,800 | $230,950 | 82,952 |
| 2026-01-06 01:27 | 2026-01-02 | RMD | RESMED INC | Sandercock Brett | Officer | SELL | $241.75 | 1,000 | $241,750 | 86,495 |
| 2026-01-03 01:00 | 2025-12-30 | MCAGU | Mountain Crest Acquisition Corp. V | Mountain Crest Global Holdings LLC | 10% owner | SELL | $5.00 | 200,000 | $1,000,000 | 1,865,800 |
| 2026-01-03 01:00 | 2025-12-30 | MCAGU | Mountain Crest Acquisition Corp. V | Liu Suying | Director, Officer, 10% owner | SELL | $5.00 | 200,000 | $1,000,000 | 1,865,800 |
| 2026-01-02 19:06 | 2025-12-31 | RDGL | VIVOS INC | Korenko Michael K | Director, Officer | BUY | $0.06 | 200,000 | $12,920 | 10,935,090 |
| 2026-01-01 00:16 | 2025-12-29 | KMTS | KESTRA MEDICAL TECHNOLOGIES, LTD. | Umberger Traci S | Director, Officer | SELL | $26.69 | 10,500 | $280,201 | 136,633 |
| 2026-01-01 00:14 | 2025-12-29 | KMTS | KESTRA MEDICAL TECHNOLOGIES, LTD. | Webster Brian Daniel | Director, Officer | SELL | $26.59 | 15,000 | $398,847 | 409,786 |
| 2025-12-31 00:05 | 2025-12-29 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $97.66 | 5,000 | $488,317 | 2,282,500 |
| 2025-12-29 16:47 | 2025-12-22 | NXGL | NEXGEL, INC. | Levy Adam R. | Director, Officer | SELL | $1.59 | 10,000 | $15,947 | 357,692 |
| 2025-12-29 15:00 | 2025-12-26 | BDX | BECTON DICKINSON & CO | Feld Michael | Officer | SELL | $196.08 | 74 | $14,510 | 16,506 |
| 2025-12-23 00:30 | 2025-12-18 | MDLN | Medline Inc. | Carlyle Mozart Coinvestment Holdings, L.P. | 10% owner | SELL | $29.00 | 19,136,333 | $554,953,657 | 145,924,924 |
| 2025-12-23 05:57 | 2025-12-18 | MDLN | Medline Inc. | Hellman & Friedman Capital Partners X (Parallel), L.P. | 10% owner | SELL | $28.37 | 6,088,371 | $172,716,735 | 4,806,160 |
| 2025-12-23 02:55 | 2025-12-19 | ICU | SeaStar Medical Holding Corp | Baird Jennifer A | Director | BUY | $0.24 | 4,200 | $987 | 36,200 |
| 2025-12-23 01:44 | 2025-12-17 | BEAT | HeartBeam, Inc. | STROME MARK E | 10% owner | SELL | $3.58 | 250,000 | $895,000 | 2,900,000 |
| 2025-12-23 00:30 | 2025-12-18 | MDLN | Medline Inc. | TC Group VII S1, L.L.C. | 10% owner | SELL | $29.00 | 19,136,333 | $554,953,657 | 145,924,924 |
| 2025-12-23 00:30 | 2025-12-18 | MDLN | Medline Inc. | Carlyle Group Inc. | 10% owner | SELL | $29.00 | 19,136,333 | $554,953,657 | 145,924,924 |
| 2025-12-23 00:30 | 2025-12-18 | MDLN | Medline Inc. | Mills Charles N. | Director | BUY | $29.00 | 2,579,310 | $74,799,990 | 137,931 |
| 2025-12-23 00:30 | 2025-12-18 | MDLN | Medline Inc. | Mills Andrew J. | Director | BUY | $29.00 | 2,586,206 | $74,999,974 | 2,586,206 |
| 2025-12-23 00:10 | 2025-12-22 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $96.73 | 5,000 | $483,672 | 2,287,500 |
| 2025-12-23 01:26 | 2025-12-18 | MDLN | Medline Inc. | GIC Private Ltd | 10% owner | BUY | $29.00 | 12,586,206 | $364,999,974 | 27,241,378 |
| 2025-12-23 01:26 | 2025-12-18 | MDLN | Medline Inc. | GIC Private Ltd | 10% owner | SELL | $28.37 | 10,204,351 | $289,480,090 | 91,555,447 |
| 2025-12-23 00:30 | 2025-12-18 | MDLN | Medline Inc. | Mozart Aggregator II LP | 10% owner | SELL | $28.37 | 13,462,600 | $381,911,076 | 143,187,216 |
| 2025-12-20 03:17 | 2025-12-18 | STME | Stimcell Energetics Inc. | Vahabzadeh Amir | Director, 10% owner | SELL | $0.34 | 16,667 | $5,667 | 4,164,566 |
| 2025-12-20 01:24 | 2025-12-18 | SIBN | SI-BONE, Inc. | Maheshwari Anshul | Officer | SELL | $20.15 | 18,542 | $373,540 | 185,231 |
| 2025-12-20 01:25 | 2025-12-18 | SIBN | SI-BONE, Inc. | PISETSKY MICHAEL A. | Officer | SELL | $20.15 | 19,600 | $394,928 | 231,896 |
| 2025-12-20 01:10 | 2025-12-17 | BEAT | HeartBeam, Inc. | de Urioste George | Director | SELL | $3.19 | 57,146 | $182,090 | 0 |
| 2025-12-18 14:00 | 2025-12-16 | ADGM | Adagio Medical Holdings Inc. | Kaster Deborah | Officer | BUY | $1.20 | 15,000 | $17,973 | 15,000 |
| 2025-12-19 02:10 | 2025-12-16 | SGHT | Sight Sciences, Inc. | Encrantz Staffan | Director, 10% owner | BUY | $8.31 | 13,958 | $115,963 | 1,391,922 |
| 2025-12-19 03:30 | 2025-12-16 | ATEC | Alphatec Holdings, Inc. | Lish Scott | Officer | SELL | $19.64 | 19,900 | $390,836 | 641,432 |
| 2025-12-19 03:28 | 2025-12-16 | ATEC | Alphatec Holdings, Inc. | Pelizzon David R | Director | SELL | $19.66 | 250,000 | $4,915,000 | 10,395,045 |
| 2025-12-17 23:47 | 2025-12-15 | AORT | Artivion Inc. | Davis John E | Officer | SELL | $45.11 | 5,000 | $225,550 | 193,842 |
| 2025-12-18 02:43 | 2025-12-16 | HTFL | Heartflow, Inc. | Lightcap Jeffrey C | Director | BUY | $26.34 | 40,000 | $1,053,680 | 40,000 |
| 2025-12-18 00:05 | 2025-12-15 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $96.75 | 5,000 | $483,729 | 2,292,500 |
| 2025-12-18 04:12 | 2025-12-17 | BDX | BECTON DICKINSON & CO | Garrison Michael David | Officer | SELL | $196.03 | 629 | $123,303 | 13,105 |
| 2025-12-17 00:18 | 2025-12-12 | GMED | GLOBUS MEDICAL INC | Norwalk Leslie V | Director | SELL | $88.85 | 4,000 | $355,400 | 12,419 |
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.