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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023-03-15 17:35 | 2023-03-13 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $37.81 | 10,000 | $378,117 | 572,950 |
| 2023-03-16 04:00 | 2023-03-13 | TMCI | TREACE MEDICAL CONCEPTS, INC. | BAYS F BARRY | Director | SELL | $23.70 | 18,800 | $445,530 | 1,263,483 |
| 2023-03-15 23:03 | 2023-03-14 | DXCM | DEXCOM INC | Stern Sadie | Officer | SELL | $111.86 | 393 | $43,961 | 83,645 |
| 2023-03-16 00:25 | 2023-03-13 | STIM | Neuronetics, Inc. | CANNELL CAPITAL LLC | 10% owner | BUY | $2.97 | 136,520 | $405,464 | 3,068,103 |
| 2023-03-14 21:38 | 2023-03-13 | PETV | PetVivo Holdings, Inc. | Jasper Joseph William | Director | BUY | $3.10 | 2,000 | $6,200 | 2,000 |
| 2023-03-14 23:18 | 2023-03-13 | PODD | INSULET CORP | Alpuche Charles | Officer | OPT+S | $305.15 | 23,401 | $7,140,815 | 45,584 |
| 2023-03-14 23:46 | 2023-03-13 | DXCM | DEXCOM INC | Regan Barry J. | Officer | SELL | $106.27 | 2,010 | $213,603 | 70,472 |
| 2023-03-14 23:46 | 2023-03-13 | DXCM | DEXCOM INC | Flynn Paul R | Officer | SELL | $106.27 | 2,782 | $295,643 | 54,893 |
| 2023-03-14 23:46 | 2023-03-13 | DXCM | DEXCOM INC | Dolan Matthew Vincent | Officer | SELL | $106.27 | 6,229 | $661,956 | 35,872 |
| 2023-03-15 03:00 | 2023-03-13 | CERS | CERUS CORP | Moore Carol | Officer | OPT+S | $2.80 | 13,078 | $36,618 | 415,915 |
| 2023-03-15 02:56 | 2023-03-13 | CERS | CERUS CORP | Jayaraman Vivek K | Officer | OPT+S | $2.80 | 25,356 | $70,997 | 658,070 |
| 2023-03-15 02:50 | 2023-03-13 | CERS | CERUS CORP | Menard Chrystal | Officer | OPT+S | $2.80 | 15,468 | $43,310 | 349,530 |
| 2023-03-15 02:47 | 2023-03-13 | CERS | CERUS CORP | Greenman William Mariner | Director, Officer | OPT+S | $2.80 | 60,480 | $169,344 | 2,658,346 |
| 2023-03-15 02:43 | 2023-03-13 | CERS | CERUS CORP | Green Kevin Dennis | Officer | OPT+S | $2.80 | 17,163 | $48,056 | 435,963 |
| 2023-03-15 02:38 | 2023-03-13 | CERS | CERUS CORP | CORASH LAURENCE M | Officer | OPT+S | $2.80 | 15,342 | $42,958 | 2,261,501 |
| 2023-03-15 02:34 | 2023-03-13 | CERS | CERUS CORP | Benjamin Richard J | Officer | OPT+S | $2.79 | 25,353 | $70,781 | 347,439 |
| 2023-03-13 23:51 | 2023-02-14 | INSP | Inspire Medical Systems, Inc. | Herbert Timothy P. | Director, Officer | SELL | $275.39 | 31,853 | $8,772,093 | 17,889 |
| 2023-03-13 23:56 | 2022-03-29 | INSP | Inspire Medical Systems, Inc. | Herbert Timothy P. | Director, Officer | SELL | $250.53 | 97,416 | $24,405,270 | 106,773 |
| 2023-03-13 23:55 | 2022-03-17 | INSP | Inspire Medical Systems, Inc. | Herbert Timothy P. | Director, Officer | SELL | $225.40 | 20,000 | $4,508,036 | 118,742 |
| 2023-03-13 23:25 | 2023-03-09 | ATEC | Alphatec Holdings, Inc. | Miles Patrick | Director, Officer | SELL | $15.17 | 140,000 | $2,123,198 | 5,608,117 |
| 2023-03-11 02:32 | 2023-03-08 | MMSI | MERIT MEDICAL SYSTEMS INC | Ward Lynne | Director | OPT+S | $66.71 | 11,585 | $772,789 | 5,964 |
| 2023-03-11 05:00 | 2023-03-09 | TMCI | TREACE MEDICAL CONCEPTS, INC. | Treace John T. | Director, Officer, 10% owner | SELL | $24.41 | 2,075 | $50,651 | 5,539,380 |
| 2023-03-11 05:00 | 2023-03-09 | TMCI | TREACE MEDICAL CONCEPTS, INC. | Hair Mark | Officer | SELL | $24.41 | 1,040 | $25,386 | 27,110 |
| 2023-03-11 05:00 | 2023-03-09 | TMCI | TREACE MEDICAL CONCEPTS, INC. | Berutti Aaron | Officer | SELL | $24.41 | 733 | $17,893 | 13,042 |
| 2023-03-11 05:00 | 2023-03-09 | TMCI | TREACE MEDICAL CONCEPTS, INC. | Owens Daniel E. | SELL | $24.41 | 411 | $10,033 | 10,289 | |
| 2023-03-11 05:00 | 2023-03-09 | TMCI | TREACE MEDICAL CONCEPTS, INC. | Scanlan Sean F. | Officer | SELL | $24.41 | 505 | $12,327 | 9,470 |
| 2023-03-11 05:00 | 2023-03-09 | TMCI | TREACE MEDICAL CONCEPTS, INC. | Elder Scot Michael | Officer | SELL | $24.41 | 177 | $4,321 | 22,421 |
| 2023-03-11 05:00 | 2023-03-08 | TMCI | TREACE MEDICAL CONCEPTS, INC. | MOTT RICHARD W | Director | SELL | $23.26 | 46,502 | $1,081,553 | 1,058,498 |
| 2023-03-11 00:27 | 2023-03-09 | PODD | INSULET CORP | Alpuche Charles | Officer | OPT+S | $290.90 | 4,000 | $1,163,600 | 45,584 |
| 2023-03-10 00:05 | 2023-03-07 | XAIR | Beyond Air, Inc. | Lisi Steven A. | Director, Officer | BUY | $5.97 | 50,000 | $298,355 | 1,447,849 |
| 2023-03-10 00:05 | 2023-03-08 | XAIR | Beyond Air, Inc. | Carey Robert | Director | BUY | $5.95 | 10,000 | $59,500 | 852,323 |
| 2023-03-10 00:05 | 2023-03-07 | XAIR | Beyond Air, Inc. | Gaul Michael A. | Officer | BUY | $5.86 | 8,000 | $46,880 | 72,150 |
| 2023-03-10 01:24 | 2023-03-07 | PRCT | PROCEPT BioRobotics Corp | Waters Kevin | Officer | SELL | $34.33 | 30,000 | $1,030,008 | 56,860 |
| 2023-03-10 00:00 | 2023-02-22 | TTOO | T2 Biosystems, Inc. | Giffin Brett A. | Officer | OPT+S | $0.65 | 537 | $349 | 841 |
| 2023-03-10 00:00 | 2023-02-22 | TTOO | T2 Biosystems, Inc. | Sprague John M | Officer | OPT+S | $0.62 | 2,693 | $1,682 | 7,268 |
| 2023-03-10 00:00 | 2023-02-22 | TTOO | T2 Biosystems, Inc. | Gibbs Michael Terrence | Officer | OPT+S | $0.62 | 3,730 | $2,329 | 6,517 |
| 2023-03-10 00:00 | 2023-02-22 | TTOO | T2 Biosystems, Inc. | Sperzel John J III | Director, Officer | OPT+S | $0.63 | 9,773 | $6,178 | 17,329 |
| 2023-03-10 01:40 | 2023-03-07 | MDXG | MIMEDX GROUP, INC. | Hulse William Frank IV | Officer | SELL | $4.24 | 11,308 | $47,998 | 338,053 |
| 2023-03-10 01:41 | 2023-03-07 | MDXG | MIMEDX GROUP, INC. | Carlson Peter M | Officer | SELL | $4.24 | 12,056 | $51,173 | 534,150 |
| 2023-03-10 01:43 | 2023-03-07 | MDXG | MIMEDX GROUP, INC. | Stein Robert Benjamin | Officer | SELL | $4.24 | 12,355 | $52,442 | 266,318 |
| 2023-03-10 01:42 | 2023-03-07 | MDXG | MIMEDX GROUP, INC. | Phelan William Lawrence | Officer | SELL | $4.24 | 3,396 | $14,415 | 141,244 |
| 2023-03-09 20:59 | 2023-03-08 | ATEC | Alphatec Holdings, Inc. | TULLIS JAMES L L | Director | SELL | $16.12 | 30,000 | $483,600 | 467,974 |
| 2023-03-10 00:09 | 2023-03-07 | STIM | Neuronetics, Inc. | MACAN WILLIAM ANDREW | Officer | SELL | $4.59 | 12,692 | $58,256 | 387,847 |
| 2023-03-10 00:08 | 2023-03-07 | STIM | Neuronetics, Inc. | Furlong Stephen | Officer | SELL | $4.59 | 11,079 | $50,853 | 431,055 |
| 2023-03-10 01:43 | 2023-03-07 | STIM | Neuronetics, Inc. | CANNELL CAPITAL LLC | 10% owner | SELL | $4.71 | 7,746 | $36,484 | 2,931,583 |
| 2023-03-10 00:42 | 2023-03-07 | WST | WEST PHARMACEUTICAL SERVICES INC | Green Eric Mark | Director, Officer | OPT+S | $322.35 | 44,000 | $14,183,532 | 128,574 |
| 2023-03-09 00:17 | 2023-03-07 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | McBreen Michael J. | Officer | SELL | $54.29 | 1,843 | $100,064 | 28,796 |
| 2023-03-09 02:39 | 2023-03-06 | ATEC | Alphatec Holdings, Inc. | Sponsel David | Officer | SELL | $15.82 | 16,823 | $266,140 | 719,181 |
| 2023-03-09 00:34 | 2023-03-06 | ATEC | Alphatec Holdings, Inc. | Pritzker Jennifer N. | 10% owner | BUY | $15.91 | 4,550 | $72,389 | 53,200 |
| 2023-03-09 02:37 | 2023-03-06 | ATEC | Alphatec Holdings, Inc. | Miles Patrick | Director, Officer | SELL | $5,348.23 | 180,000 | $962,681,400 | 5,748,117 |
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.