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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2011-12-27 23:05 | 2011-12-22 | PDEX | PRO DEX INC | Swenson Nicholas John | 10% owner | BUY | $2.30 | 30,400 | $69,950 | 456,322 |
| 2011-12-27 19:44 | 2011-12-22 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $49.41 | 18,000 | $889,432 | 14,443,682 |
| 2011-12-24 02:08 | 2011-12-21 | PDEX | PRO DEX INC | Swenson Nicholas John | 10% owner | BUY | $2.16 | 6,100 | $13,183 | 425,922 |
| 2011-12-24 01:50 | 2011-12-22 | DCTH | DELCATH SYSTEMS, INC. | LADD ROBERT | Director | SELL | $2.45 | 20,000 | $49,080 | 631,294 |
| 2011-12-23 00:07 | 2011-12-20 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $47.91 | 18,000 | $862,308 | 14,461,682 |
| 2011-12-23 03:50 | 2011-11-15 | ARAY | Accuray Incorporated | Dadone Theresa L | Officer | BUY | $3.94 | 100 | $394 | 1,100 |
| 2011-12-22 01:35 | 2011-12-20 | DCTH | DELCATH SYSTEMS, INC. | LADD ROBERT | Director | SELL | $1.98 | 20,000 | $39,500 | 651,294 |
| 2011-12-21 23:06 | 2011-12-21 | MELA | STRATA Skin Sciences, Inc. | Gulfo Joseph V | Director, Officer | BUY | $3.97 | 21,458 | $85,188 | 143,311 |
| 2011-12-21 23:04 | 2011-12-21 | MELA | STRATA Skin Sciences, Inc. | Coradini Robert | Director | BUY | $3.97 | 21,457 | $85,184 | 21,457 |
| 2011-12-20 21:52 | 2011-12-14 | PDEX | PRO DEX INC | Swenson Nicholas John | 10% owner | BUY | $2.15 | 19,290 | $41,493 | 419,822 |
| 2011-12-20 20:48 | 2011-12-16 | BDX | BECTON DICKINSON & CO | OVERLOCK WILARD J JR | Director | SELL | $70.69 | 9,500 | $671,555 | 21,091 |
| 2011-12-20 02:20 | 2011-12-16 | DCTH | DELCATH SYSTEMS, INC. | LADD ROBERT | Director | SELL | $1.94 | 20,000 | $38,800 | 671,294 |
| 2011-12-19 22:28 | 2011-12-16 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $46.11 | 18,000 | $829,939 | 14,479,682 |
| 2011-12-16 23:58 | 2011-12-15 | BDX | BECTON DICKINSON & CO | COHEN GARY M | Officer | SELL | $71.49 | 4,500 | $321,705 | 66,902 |
| 2011-12-16 01:37 | 2011-12-14 | DCTH | DELCATH SYSTEMS, INC. | LADD ROBERT | Director | SELL | $2.05 | 20,000 | $41,014 | 691,294 |
| 2011-12-15 21:49 | 2011-12-14 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $46.52 | 18,000 | $837,427 | 14,497,682 |
| 2011-12-15 23:11 | 2011-12-13 | MMSI | MERIT MEDICAL SYSTEMS INC | STILLABOWER MICHAEL E | Director | OPT+S | $13.65 | 1,082 | $14,769 | 27,778 |
| 2011-12-15 20:41 | 2011-12-14 | CYTX | PLUS THERAPEUTICS, INC. | HEDRICK MARC H | Director, Officer | BUY | $2.15 | 6,000 | $12,880 | 12,800 |
| 2011-12-16 02:39 | 2011-12-13 | DXCM | DEXCOM INC | DOORDAN MARTIN | Director | BUY | $8.03 | 2,000 | $16,069 | 4,000 |
| 2011-12-15 04:57 | 2011-12-12 | ARAY | Accuray Incorporated | BERTOCCI DEREK A | Officer | BUY | $4.08 | 10,000 | $40,791 | 48,009 |
| 2011-12-14 21:06 | 2011-12-13 | CYTX | PLUS THERAPEUTICS, INC. | RICKEY DAVID | Director | BUY | $2.19 | 8,000 | $17,500 | 88,559 |
| 2011-12-14 21:07 | 2011-12-08 | CYTX | PLUS THERAPEUTICS, INC. | RICKEY DAVID | Director | BUY | $2.37 | 5,000 | $11,829 | 80,559 |
| 2011-12-14 05:11 | 2011-12-12 | DCTH | DELCATH SYSTEMS, INC. | LADD ROBERT | Director | SELL | $2.29 | 20,000 | $45,800 | 711,294 |
| 2011-12-14 00:21 | 2011-12-12 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $47.10 | 18,000 | $847,868 | 14,515,682 |
| 2011-12-09 22:13 | 2011-12-08 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $47.61 | 18,000 | $857,034 | 14,533,682 |
| 2011-12-09 03:55 | 2011-12-08 | CYTX | PLUS THERAPEUTICS, INC. | RICKEY DAVID | Director | BUY | $2.34 | 12,000 | $28,139 | 80,459 |
| 2011-12-08 00:23 | 2011-12-05 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $48.49 | 27,000 | $1,309,179 | 14,551,682 |
| 2011-12-08 00:09 | 2011-12-06 | CRY | Artivion Inc. | RONALD C ELKINS | Director | SELL | $4.56 | 3,000 | $13,681 | 83,250 |
| 2011-12-07 00:01 | 2011-12-02 | MMSI | MERIT MEDICAL SYSTEMS INC | STILLABOWER MICHAEL E | Director | OPT+S | $13.68 | 19,213 | $262,920 | 27,778 |
| 2011-12-06 00:57 | 2011-12-01 | HAE | HAEMONETICS CORP | CONCANNON BRIAN | Director, Officer | OPT+S | $58.76 | 5,000 | $293,800 | 48,338 |
| 2011-12-03 02:42 | 2011-11-30 | RMD | RESMED INC | Darkin Donald | Officer | OPT+S | $26.11 | 32,000 | $835,482 | 52,143 |
| 2011-12-03 02:12 | 2011-12-01 | PDEX | PRO DEX INC | Swenson Nicholas John | 10% owner | BUY | $2.45 | 9,062 | $22,242 | 400,532 |
| 2011-12-03 00:18 | 2011-11-30 | OFIX | Orthofix Medical Inc. | FERRARI LUIGI | Officer | OPT+S | $34.25 | 21,239 | $727,436 | 0 |
| 2011-12-02 21:26 | 2011-12-01 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $49.55 | 18,000 | $891,886 | 14,578,682 |
| 2011-12-02 21:02 | 2011-12-02 | LMAT | LEMAITRE VASCULAR INC | LeMaitre George W | Director, Officer, 10% owner | BUY | $5.47 | 1,000 | $5,470 | 3,913,163 |
| 2011-12-03 01:25 | 2011-12-01 | PODD | INSULET CORP | DeSisto Duane | Director, Officer | OPT+S | $18.07 | 20,000 | $361,310 | 80,991 |
| 2011-12-03 01:19 | 2011-12-01 | PODD | INSULET CORP | DePietro Ruthann | Officer | OPT+S | $18.47 | 1,000 | $18,470 | 15,608 |
| 2011-12-03 01:52 | 2011-11-30 | OSUR | ORASURE TECHNOLOGIES INC | KUNA MARK L | Officer | SELL | $9.40 | 5,000 | $47,010 | 47,569 |
| 2011-12-03 01:49 | 2011-11-30 | OSUR | ORASURE TECHNOLOGIES INC | Lee Stephen R | Officer | SELL | $9.50 | 30,000 | $285,000 | 102,206 |
| 2011-12-02 00:53 | 2011-11-29 | BSX | BOSTON SCIENTIFIC CORP | NICHOLAS NJ JR | Director | BUY | $5.56 | 10,000 | $55,600 | 180,000 |
| 2011-12-02 02:33 | 2011-11-29 | RMD | RESMED INC | QUINN MICHAEL A | Director | OPT+S | $25.67 | 48,000 | $1,232,304 | 342,000 |
| 2011-12-01 00:31 | 2011-11-28 | PDEX | PRO DEX INC | Swenson Nicholas John | 10% owner | BUY | $2.32 | 46,287 | $107,488 | 391,470 |
| 2011-12-01 00:37 | 2011-11-28 | BSX | BOSTON SCIENTIFIC CORP | Bartlett Katharine T | Director | BUY | $5.42 | 8,000 | $43,360 | 29,708 |
| 2011-11-30 20:41 | 2011-11-29 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $47.63 | 18,000 | $857,362 | 14,596,682 |
| 2011-12-01 00:37 | 2011-11-28 | BSX | BOSTON SCIENTIFIC CORP | MARIO ERNEST | Director | BUY | $5.40 | 100,000 | $540,000 | 407,304 |
| 2011-12-01 03:56 | 2011-11-30 | ICUI | ICU MEDICAL INC/DE | COSTELLO RICHARD A | Officer | SELL | $43.47 | 5,000 | $217,365 | 0 |
| 2011-11-29 00:52 | 2011-11-23 | RMD | RESMED INC | Jacobsen Stein | Officer | SELL | $25.28 | 9,196 | $232,428 | 52,143 |
| 2011-11-28 23:04 | 2011-11-25 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $46.37 | 18,000 | $834,620 | 14,614,682 |
| 2011-11-29 00:19 | 2011-11-25 | CYTX | PLUS THERAPEUTICS, INC. | RICKEY DAVID | Director | BUY | $2.49 | 10,000 | $24,880 | 68,559 |
| 2011-11-23 21:14 | 2011-11-21 | SYK | STRYKER CORP | Doliveux Roch | Director | BUY | $47.01 | 1,000 | $47,010 | 1,000 |
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.