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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2015-07-29 18:59 | 2015-07-27 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $100.88 | 18,000 | $1,815,775 | 9,246,233 |
| 2015-07-28 22:50 | 2015-07-27 | DCTH | DELCATH SYSTEMS, INC. | Taglietti Marco | Director | BUY | $0.53 | 200,000 | $106,780 | 220,000 |
| 2015-07-29 01:10 | 2015-07-24 | INFU | InfuSystem Holdings, Inc | Meridian OHC Partners, LP | 10% owner | BUY | $3.14 | 20,557 | $64,493 | 2,349,951 |
| 2015-07-29 00:05 | 2015-07-27 | DCTH | DELCATH SYSTEMS, INC. | STOLL ROGER G PHD | Director | BUY | $0.54 | 20,000 | $10,740 | 99,145 |
| 2015-07-28 00:54 | 2015-07-24 | SYK | STRYKER CORP | Owen Katherine Ann | Officer | SELL | $100.05 | 6,505 | $650,808 | 13,593 |
| 2015-07-27 23:22 | 2015-07-23 | HAE | HAEMONETICS CORP | Davies Kent J | Officer | SELL | $39.36 | 279 | $10,981 | 6,540 |
| 2015-07-27 22:39 | 2015-07-23 | CTSO | Cytosorbents Corp | Kraus Al | Director | OPT+S | $6.28 | 10,000 | $62,777 | 55,746 |
| 2015-07-28 03:15 | 2015-07-23 | DXCM | DEXCOM INC | Pacelli Steven Robert | Officer | OPT+S | $85.36 | 14,000 | $1,195,046 | 248,646 |
| 2015-07-28 03:14 | 2015-07-23 | DXCM | DEXCOM INC | DOUBLEDAY RICHARD | Officer | SELL | $85.37 | 9,641 | $823,011 | 29,286 |
| 2015-07-25 00:01 | 2015-07-23 | TTOO | T2 Biosystems, Inc. | Polaris Venture Partners V, L.P. | 10% owner | SELL | $15.04 | 15,399 | $231,624 | 2,041,284 |
| 2015-07-24 23:56 | 2015-07-22 | DCTH | DELCATH SYSTEMS, INC. | Philips Laura A | Director | BUY | $0.50 | 162,653 | $80,708 | 205,299 |
| 2015-07-24 23:32 | 2015-07-23 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $99.67 | 12,000 | $1,196,057 | 9,264,233 |
| 2015-07-25 04:21 | 2015-07-22 | DXCM | DEXCOM INC | Balo Andrew K | Officer | SELL | $84.78 | 10,214 | $865,922 | 165,033 |
| 2015-07-23 00:38 | 2015-07-20 | TTOO | T2 Biosystems, Inc. | Polaris Venture Partners V, L.P. | 10% owner | SELL | $15.57 | 44,997 | $700,414 | 2,056,143 |
| 2015-07-23 00:54 | 2015-07-22 | DCTH | DELCATH SYSTEMS, INC. | Rueckert William Dodge | Director | BUY | $0.48 | 20,000 | $9,580 | 40,000 |
| 2015-07-23 00:07 | 2015-07-21 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $98.49 | 12,000 | $1,181,858 | 9,276,233 |
| 2015-07-23 03:23 | 2015-07-21 | DXCM | DEXCOM INC | MOY JEFFREY | Officer | SELL | $83.48 | 3,786 | $316,055 | 72,322 |
| 2015-07-23 03:22 | 2015-07-20 | DXCM | DEXCOM INC | ROPER JESS | Officer | OPT+S | $83.74 | 7,000 | $586,153 | 106,483 |
| 2015-07-22 04:08 | 2015-07-20 | PDEX | PRO DEX INC | Swenson Nicholas John | Director | BUY | $2.30 | 1,700 | $3,910 | 5,972 |
| 2015-07-21 19:49 | 2015-07-20 | HAE | HAEMONETICS CORP | LINDOP CHRISTOPHER J | Officer | OPT+S | $39.09 | 4,902 | $191,610 | 38,188 |
| 2015-07-21 23:10 | 2015-07-17 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $98.03 | 12,000 | $1,176,346 | 9,288,233 |
| 2015-07-22 03:28 | 2015-07-20 | PDEX | PRO DEX INC | CABILLOT RAYMOND E | Director | BUY | $2.30 | 1,700 | $3,910 | 516,532 |
| 2015-07-20 22:37 | 2015-07-16 | CTSO | Cytosorbents Corp | Kraus Al | Director | OPT+S | $6.33 | 10,000 | $63,303 | 55,746 |
| 2015-07-18 03:08 | 2015-07-15 | RMD | RESMED INC | Farrell Michael J. | Officer | OPT+S | $57.59 | 5,975 | $344,100 | 122,440 |
| 2015-07-18 00:28 | 2015-07-15 | TTOO | T2 Biosystems, Inc. | Polaris Venture Partners V, L.P. | 10% owner | SELL | $16.26 | 44,997 | $731,548 | 2,099,565 |
| 2015-07-18 02:01 | 2015-07-15 | DXCM | DEXCOM INC | SKYLER JAY S | Director | SELL | $81.69 | 20,000 | $1,633,886 | 82,771 |
| 2015-07-18 02:00 | 2015-07-15 | DXCM | DEXCOM INC | GREGG TERRANCE H | Director, Officer | SELL | $83.07 | 50,750 | $4,215,808 | 381,389 |
| 2015-07-16 22:04 | 2015-07-15 | HAE | HAEMONETICS CORP | CONCANNON BRIAN | Director, Officer | OPT+S | $39.59 | 6,569 | $260,092 | 147,040 |
| 2015-07-16 20:41 | 2015-07-15 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $97.87 | 12,000 | $1,174,451 | 9,300,233 |
| 2015-07-14 18:06 | 2015-07-10 | TTOO | T2 Biosystems, Inc. | Lowery Thomas J. | Officer | OPT+S | $16.03 | 2,000 | $32,060 | 4,411 |
| 2015-07-15 00:31 | 2015-07-13 | TTOO | T2 Biosystems, Inc. | Polaris Venture Partners V, L.P. | 10% owner | SELL | $16.57 | 29,998 | $497,022 | 2,142,987 |
| 2015-07-14 19:14 | 2015-07-13 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $97.52 | 12,000 | $1,170,180 | 9,312,233 |
| 2015-07-13 23:29 | 2015-07-09 | CTSO | Cytosorbents Corp | Kraus Al | Director | OPT+S | $5.98 | 10,000 | $59,779 | 55,746 |
| 2015-07-11 00:23 | 2015-07-08 | TTOO | T2 Biosystems, Inc. | Polaris Venture Partners V, L.P. | 10% owner | SELL | $16.25 | 44,997 | $731,116 | 2,171,935 |
| 2015-07-10 22:47 | 2015-07-08 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $96.20 | 18,000 | $1,731,625 | 9,324,233 |
| 2015-07-10 02:33 | 2015-07-08 | DXCM | DEXCOM INC | VALDES JORGE A | Officer | OPT+S | $79.83 | 50,000 | $3,991,745 | 116,207 |
| 2015-07-10 02:32 | 2015-07-07 | DXCM | DEXCOM INC | MOY JEFFREY | Officer | SELL | $79.32 | 5,000 | $396,617 | 76,108 |
| 2015-07-10 02:31 | 2015-07-08 | DXCM | DEXCOM INC | LISTER JOHN | Officer | SELL | $79.94 | 1,776 | $141,973 | 125,765 |
| 2015-07-10 02:31 | 2015-07-08 | DXCM | DEXCOM INC | Balo Andrew K | Officer | SELL | $80.22 | 4,494 | $360,510 | 175,247 |
| 2015-07-09 00:07 | 2015-07-06 | HAE | HAEMONETICS CORP | ALLEN PETER M | Officer | OPT+S | $40.19 | 30,494 | $1,225,651 | 34,102 |
| 2015-07-08 18:45 | 2015-07-06 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $95.61 | 12,000 | $1,147,312 | 9,342,233 |
| 2015-07-09 04:08 | 2015-07-06 | RMD | RESMED INC | PENDARVIS DAVID | Officer | OPT+S | $55.19 | 5,500 | $303,540 | 70,315 |
| 2015-07-07 23:08 | 2015-07-07 | BSX | BOSTON SCIENTIFIC CORP | Prange Karen | Officer | SELL | $17.66 | 17,456 | $308,308 | 17,430 |
| 2015-07-08 01:19 | 2014-04-10 | HART | Harvard Apparatus Regenerative Technology, Inc. | McGorry James Joseph | Director, Officer | BUY | $4.21 | 30,000 | $126,399 | 30,000 |
| 2015-07-08 01:18 | 2015-07-02 | HAE | HAEMONETICS CORP | White Jonathan | Officer | SELL | $41.14 | 2,385 | $98,119 | 25,620 |
| 2015-07-08 00:31 | 2015-07-02 | TTOO | T2 Biosystems, Inc. | Polaris Venture Partners V, L.P. | 10% owner | SELL | $15.91 | 44,997 | $715,691 | 2,215,357 |
| 2015-07-08 00:30 | 2015-07-06 | ICUI | ICU MEDICAL INC/DE | RIGGS STEVEN | Officer | SELL | $97.00 | 33,890 | $3,287,330 | 3,115 |
| 2015-07-07 17:43 | 2015-07-02 | CTSO | Cytosorbents Corp | Kraus Al | Director | OPT+S | $6.29 | 10,000 | $62,852 | 55,746 |
| 2015-07-07 03:26 | 2015-07-01 | RMD | RESMED INC | Douglas Robert Andrew | Officer | OPT+S | $56.59 | 6,333 | $358,371 | 56,339 |
| 2015-07-06 20:22 | 2015-07-01 | HAE | HAEMONETICS CORP | CONCANNON BRIAN | Director, Officer | OPT+S | $41.28 | 4,765 | $196,711 | 147,040 |
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.