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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023-11-20 16:31 | 2023-11-16 | SSKN | STRATA Skin Sciences, Inc. | Rubinstein Samuel | Director | SELL | $0.32 | 1,000 | $320 | 177,602 |
| 2023-11-21 02:45 | 2023-11-16 | SIBN | SI-BONE, Inc. | DUNN JEFFREY W | Director | SELL | $17.69 | 7,965 | $140,898 | 44,718 |
| 2023-11-18 01:24 | 2023-11-15 | STSS | Sharps Technology Inc. | Ruemler Timothy James | Director, 10% owner | BUY | $0.40 | 6,000 | $2,428 | 1,017,209 |
| 2023-11-17 17:11 | 2023-11-16 | PLSE | PULSE BIOSCIENCES, INC. | Danahy Kevin Patrick | Officer | BUY | $6.52 | 5,393 | $35,156 | 35,887 |
| 2023-11-17 17:10 | 2023-11-15 | PLSE | PULSE BIOSCIENCES, INC. | Levinson Mitchell E. | Officer | BUY | $5.90 | 17,800 | $105,089 | 1,039 |
| 2023-11-18 00:15 | 2023-11-16 | XAIR | Beyond Air, Inc. | Gaul Michael A. | Officer | BUY | $1.77 | 10,000 | $17,700 | 88,150 |
| 2023-11-18 00:42 | 2023-11-17 | XTNT | Xtant Medical Holdings, Inc. | Brandt Kevin D | Officer | BUY | $1.20 | 41,670 | $49,837 | 815,860 |
| 2023-11-18 02:18 | 2023-11-15 | LNSR | LENSAR, Inc. | Winer Gary M | Director | BUY | $2.13 | 1,500 | $3,200 | 53,045 |
| 2023-11-17 15:00 | 2023-11-15 | PSTV | PLUS THERAPEUTICS, INC. | Lenk Robert P | Director | BUY | $1.86 | 2,000 | $3,720 | 25,160 |
| 2023-11-17 00:16 | 2023-11-15 | BSX | BOSTON SCIENTIFIC CORP | Carruthers Wendy | Officer | OPT+S | $54.17 | 11,671 | $632,269 | 46,532 |
| 2023-11-17 01:44 | 2023-11-14 | SGHT | Sight Sciences, Inc. | Encrantz Staffan | Director, 10% owner | BUY | $2.00 | 3,462 | $6,914 | 30,496 |
| 2023-11-16 22:38 | 2023-11-15 | RCEL | AVITA Medical, Inc. | O'Toole David D | Officer | BUY | $12.30 | 2,000 | $24,600 | 13,000 |
| 2023-11-17 05:20 | 2023-11-15 | RMD | RESMED INC | Farrell Michael J. | Officer | OPT+S | $152.04 | 5,678 | $863,281 | 440,986 |
| 2023-11-17 01:56 | 2023-11-14 | SYK | STRYKER CORP | Datar Srikant M. | Director | SELL | $288.80 | 1,750 | $505,394 | 4,316 |
| 2023-11-17 00:05 | 2023-11-13 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $41.99 | 10,000 | $419,861 | 222,950 |
| 2023-11-17 03:35 | 2023-11-14 | PEN | Penumbra Inc | Roberts Johanna | Officer | SELL | $214.14 | 600 | $128,482 | 63,037 |
| 2023-11-16 00:12 | 2023-11-14 | APYX | Apyx Medical Corporation | Goodwin Charles D. II | Director, Officer | BUY | $1.57 | 50,000 | $78,500 | 90,000 |
| 2023-11-16 00:31 | 2023-11-14 | RCEL | AVITA Medical, Inc. | O'Toole David D | Officer | BUY | $13.07 | 2,000 | $26,130 | 11,000 |
| 2023-11-15 15:00 | 2023-11-10 | PSTV | PLUS THERAPEUTICS, INC. | Lenk Robert P | Director | BUY | $1.44 | 6,000 | $8,620 | 23,160 |
| 2023-11-16 02:36 | 2023-11-15 | DXCM | DEXCOM INC | ALTMAN STEVEN R | Director | SELL | $101.26 | 1,000 | $101,256 | 59,700 |
| 2023-11-15 00:12 | 2023-11-13 | PRCT | PROCEPT BioRobotics Corp | Wood Morgan Colby | Director | SELL | $32.19 | 25,000 | $804,810 | 112,425 |
| 2023-11-15 04:02 | 2023-11-14 | TELA | TELA Bio, Inc. | Cuca Roberto | Officer | BUY | $4.49 | 10,000 | $44,938 | 62,371 |
| 2023-11-14 19:05 | 2023-11-13 | RDGL | VIVOS INC | Korenko Michael K | Director, Officer | BUY | $0.05 | 100,000 | $5,170 | 10,085,090 |
| 2023-11-15 03:31 | 2023-11-10 | LNSR | LENSAR, Inc. | Winer Gary M | Director | BUY | $2.14 | 1,000 | $2,135 | 51,545 |
| 2023-11-15 04:01 | 2023-11-14 | TELA | TELA Bio, Inc. | KOBLISH ANTONY | Director, Officer | BUY | $4.54 | 11,000 | $49,976 | 303,634 |
| 2023-11-15 00:04 | 2023-11-13 | PODD | INSULET CORP | Petrovic Shacey | Director | OPT+S | $164.63 | 35,000 | $5,761,900 | 2,567 |
| 2023-11-14 00:32 | 2023-11-08 | TNDM | TANDEM DIABETES CARE INC | Vosseller Leigh | Officer | BUY | $15.39 | 6,200 | $95,395 | 11,860 |
| 2023-11-14 00:31 | 2023-11-08 | TNDM | TANDEM DIABETES CARE INC | Hansen Shannon Marie | Officer | BUY | $15.44 | 1,935 | $29,884 | 1,935 |
| 2023-11-13 18:19 | 2023-11-09 | ATEC | Alphatec Holdings, Inc. | Demski David M | Director | BUY | $10.50 | 30,000 | $315,000 | 181,694 |
| 2023-11-14 01:29 | 2023-11-10 | LYRA | Lyra Therapeutics, Inc. | Waksal Harlan | Director, Officer | BUY | $2.96 | 25,000 | $74,095 | 261,966 |
| 2023-11-13 19:09 | 2023-11-10 | UFPT | UFP TECHNOLOGIES INC | LATAILLE RONALD J | Officer | BUY | $139.01 | 180 | $25,022 | 55,303 |
| 2023-11-14 01:01 | 2023-11-10 | IRMD | IRADIMED CORP | VUOTO ANTHONY | Director | SELL | $39.79 | 3,055 | $121,566 | 14,138 |
| 2023-11-13 15:00 | 2023-11-08 | PSTV | PLUS THERAPEUTICS, INC. | Lenk Robert P | Director | BUY | $1.62 | 9,199 | $14,926 | 17,160 |
| 2023-11-10 00:15 | 2023-11-06 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $42.12 | 10,000 | $421,246 | 232,950 |
| 2023-11-10 01:21 | 2023-11-09 | UFPT | UFP TECHNOLOGIES INC | ROCK MITCHELL | Officer | BUY | $139.00 | 198 | $27,522 | 27,086 |
| 2023-11-09 00:22 | 2023-11-07 | NVCR | NovoCure Ltd | Shah Pritesh | Officer | SELL | $12.65 | 382 | $4,832 | 124,511 |
| 2023-11-08 15:00 | 2023-11-06 | PSTV | PLUS THERAPEUTICS, INC. | Lenk Robert P | Director | BUY | $1.61 | 7,395 | $11,933 | 7,961 |
| 2023-11-09 00:05 | 2023-11-08 | DXCM | DEXCOM INC | Regan Barry J. | Officer | SELL | $95.22 | 2,019 | $192,249 | 64,250 |
| 2023-11-08 00:11 | 2023-11-06 | BSX | BOSTON SCIENTIFIC CORP | Mahoney Michael F | Director, Officer | OPT+S | $52.51 | 113,356 | $5,951,983 | 1,498,922 |
| 2023-11-07 03:12 | 2023-11-02 | SIBN | SI-BONE, Inc. | DUNN JEFFREY W | Director | SELL | $17.52 | 406 | $7,113 | 52,683 |
| 2023-11-03 15:40 | 2023-11-01 | ATRC | AtriCure, Inc. | Dahlquist Karl S. | Officer | SELL | $34.43 | 1,248 | $42,969 | 30,789 |
| 2023-11-04 00:00 | 2023-11-01 | ARAY | Accuray Incorporated | Winter Suzanne C | Officer | SELL | $2.57 | 38,338 | $98,529 | 1,436,616 |
| 2023-11-03 04:29 | 2023-11-01 | RMD | RESMED INC | Rider Michael J | Officer | SELL | $143.42 | 25 | $3,586 | 7,358 |
| 2023-11-02 20:37 | 2023-10-31 | WST | WEST PHARMACEUTICAL SERVICES INC | Witherspoon Charles | Officer | OPT+S | $322.37 | 1,190 | $383,623 | 1,835 |
| 2023-11-01 23:15 | 2023-10-30 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $40.16 | 10,000 | $401,604 | 242,950 |
| 2023-11-02 00:31 | 2023-10-31 | ARAY | Accuray Incorporated | Pervaiz Ali | Officer | SELL | $2.58 | 3,303 | $8,534 | 401,857 |
| 2023-11-01 23:01 | 2023-11-01 | MODD | Modular Medical, Inc. | Sheibley Philip Brent | Director | BUY | $1.29 | 10,000 | $12,900 | 46,139 |
| 2023-10-27 23:15 | 2023-10-24 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $39.12 | 10,000 | $391,216 | 252,950 |
| 2023-10-26 01:20 | 2023-10-23 | LUNG | Pulmonx Corp | Rose Geoffrey Beran | Officer | SELL | $8.35 | 1,184 | $9,886 | 250,653 |
| 2023-10-24 02:43 | 2023-10-23 | DXCM | DEXCOM INC | Pacelli Steven Robert | Officer | SELL | $85.75 | 411 | $35,243 | 125,186 |
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.