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Sector Analysis

Services-Medical Laboratories

Standard Industrial Classification: SIC 8071

Industry Insider Sentiment Analysis

The Services-Medical Laboratories sector (SIC 8071) 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
2004-02-10 02:04 2004-02-09 AMS American Shared Hospital Services AMERICAN SHARED HOSPITAL SERVICES Director, Officer, 10% owner SELL $6.15 3,800 $23,370 503,600
2004-02-10 00:28 2004-02-06 DGX QUEST DIAGNOSTICS INC BRODY KENNETH D Director SELL $84.61 4,000 $338,420 12,612
2004-02-07 01:04 2004-02-06 AMS American Shared Hospital Services AMERICAN SHARED HOSPITAL SERVICES Director, Officer, 10% owner SELL $6.13 6,400 $39,260 507,400
2004-02-06 01:49 2004-02-05 AMS American Shared Hospital Services AMERICAN SHARED HOSPITAL SERVICES Director, Officer, 10% owner SELL $6.10 1,600 $9,760 513,800
2004-02-06 01:07 2004-02-03 DGX QUEST DIAGNOSTICS INC BRODY KENNETH D Director SELL $84.98 9,000 $764,775 16,612
2004-02-05 00:07 2004-02-04 AMS American Shared Hospital Services AMERICAN SHARED HOSPITAL SERVICES Director, Officer, 10% owner SELL $6.10 3,000 $18,300 515,400
2004-02-05 02:10 2004-02-03 DGX QUEST DIAGNOSTICS INC FREEMAN KENNETH W/NJ Director, Officer OPT+S $84.46 30,000 $2,533,920 356,601
2004-02-04 00:39 2004-02-02 AMS American Shared Hospital Services AMERICAN SHARED HOSPITAL SERVICES Director, Officer, 10% owner SELL $6.06 20,500 $124,228 518,400
2004-02-03 21:16 2004-01-30 LH LABCORP HOLDINGS INC. ELINGBURG WESLEY R Officer OPT+S $42.50 10,000 $425,000 174,518
2004-02-03 00:29 2004-01-29 DGX QUEST DIAGNOSTICS INC BRODY KENNETH D Director OPT+S $83.40 13,000 $1,084,164 25,612
2004-02-03 00:22 2004-01-29 DGX QUEST DIAGNOSTICS INC FREEMAN KENNETH W/NJ Director, Officer OPT+S $82.18 30,000 $2,465,400 362,564
2004-01-31 02:21 2004-01-29 DGX QUEST DIAGNOSTICS INC PREVOZNIK MICHAEL E Officer OPT+S $82.28 23,800 $1,958,264 26,870
2004-01-31 01:54 2004-01-29 DGX QUEST DIAGNOSTICS INC BONGIORNO THOMAS F Officer SELL $81.76 4,270 $349,094 3,153
2004-01-16 19:16 2004-01-14 LH LABCORP HOLDINGS INC. NOVAK RICHARD L Officer OPT+S $40.00 52,266 $2,090,640 220,288
2004-01-16 18:55 2004-01-14 LH LABCORP HOLDINGS INC. ELINGBURG WESLEY R Officer OPT+S $40.00 9,200 $368,000 174,518
2004-01-16 18:36 2004-01-14 LH LABCORP HOLDINGS INC. SMITH BRADFORD T Officer OPT+S $40.00 18,400 $736,000 172,827
2004-01-16 17:00 2004-01-14 LH LABCORP HOLDINGS INC. STARK STEVAN R Officer OPT+S $40.00 18,133 $725,320 81,551
2004-01-10 01:21 2004-01-07 LH LABCORP HOLDINGS INC. STARK STEVAN R Officer OPT+S $38.00 22,800 $866,400 81,551
2004-01-01 00:01 2003-12-30 LH LABCORP HOLDINGS INC. ELINGBURG WESLEY R Officer OPT+S $37.50 9,200 $345,000 174,360
2003-12-31 00:56 2003-12-30 AMS American Shared Hospital Services AMERICAN SHARED HOSPITAL SERVICES Director, Officer, 10% owner SELL $6.04 1,000 $6,040 538,900
2003-12-30 00:38 2003-12-29 AMS American Shared Hospital Services AMERICAN SHARED HOSPITAL SERVICES Director, Officer, 10% owner SELL $6.00 4,000 $24,000 542,410
2003-12-24 21:56 2003-12-22 AMS American Shared Hospital Services AMERICAN SHARED HOSPITAL SERVICES Director, Officer, 10% owner SELL $6.01 6,400 $38,470 546,410
2003-12-20 04:02 2003-12-19 AMS American Shared Hospital Services AMERICAN SHARED HOSPITAL SERVICES Director, Officer, 10% owner SELL $6.00 2,300 $13,800 550,510
2003-12-19 01:41 2003-12-18 AMS American Shared Hospital Services AMERICAN SHARED HOSPITAL SERVICES Director, Officer, 10% owner SELL $5.93 11,500 $68,220 552,810
2003-12-17 01:08 2003-12-16 AMS American Shared Hospital Services AMERICAN SHARED HOSPITAL SERVICES Director, Officer, 10% owner SELL $5.75 1,200 $6,900 564,310
2003-12-16 19:27 2003-12-15 AMS American Shared Hospital Services AMERICAN SHARED HOSPITAL SERVICES Director, Officer, 10% owner SELL $5.72 2,000 $11,440 565,510
2003-12-04 00:33 2003-12-02 AMS American Shared Hospital Services AMERICAN SHARED HOSPITAL SERVICES Director, Officer, 10% owner SELL $6.07 5,000 $30,350 567,510
2003-11-19 01:34 2003-11-18 AMS American Shared Hospital Services AMERICAN SHARED HOSPITAL SERVICES Director, Officer, 10% owner SELL $6.20 5,000 $31,000 572,510
2003-11-17 19:19 2003-11-13 LH LABCORP HOLDINGS INC. ELINGBURG WESLEY R Officer SELL $35.43 1,000 $35,430 174,360
2003-11-14 00:16 2003-11-13 AMS American Shared Hospital Services AMERICAN SHARED HOSPITAL SERVICES Director, Officer, 10% owner SELL $6.42 1,400 $8,988 577,510
2003-11-13 01:51 2003-11-12 AMS American Shared Hospital Services AMERICAN SHARED HOSPITAL SERVICES Director, Officer, 10% owner SELL $6.42 900 $5,778 578,910
2003-11-11 01:27 2003-11-10 AMS American Shared Hospital Services AMERICAN SHARED HOSPITAL SERVICES Director, Officer, 10% owner SELL $6.42 1,500 $9,630 579,810
2003-11-11 00:56 2003-11-07 AMS American Shared Hospital Services AMERICAN SHARED HOSPITAL SERVICES Director, Officer, 10% owner SELL $6.42 5,000 $32,100 581,310
2003-11-11 00:54 2003-11-06 AMS American Shared Hospital Services AMERICAN SHARED HOSPITAL SERVICES Director, Officer, 10% owner SELL $6.40 3,200 $20,480 586,310
2003-11-11 00:49 2003-11-05 AMS American Shared Hospital Services AMERICAN SHARED HOSPITAL SERVICES Director, Officer, 10% owner SELL $6.40 300 $1,920 589,510
2003-11-05 17:09 2003-11-03 EXAS EXACT SCIENCES CORP SHUBER ANTHONY P Officer SELL $10.52 50,000 $526,130 31,000
2003-11-04 01:18 2003-10-30 LH LABCORP HOLDINGS INC. NOVAK RICHARD L Officer OPT+S $35.24 20,000 $704,726 220,288
2003-11-04 00:26 2003-10-30 LH LABCORP HOLDINGS INC. LAI GOLDMAN MYLA Officer OPT+S $35.24 14,800 $521,497 84,062
2003-11-01 00:17 2003-10-31 AMS American Shared Hospital Services AMERICAN SHARED HOSPITAL SERVICES Director, Officer, 10% owner SELL $6.40 200 $1,280 589,810
2003-10-31 00:46 2003-10-30 AMS American Shared Hospital Services AMERICAN SHARED HOSPITAL SERVICES Director, Officer, 10% owner SELL $6.40 1,300 $8,320 590,010
2003-09-02 23:19 2003-09-02 AMS American Shared Hospital Services AMERICAN SHARED HOSPITAL SERVICES Director, Officer, 10% owner SELL $5.60 1,822 $10,203 541,310
2003-08-22 18:33 2003-08-20 LH LABCORP HOLDINGS INC. STARK STEVAN R Officer SELL $31.28 13,320 $416,710 81,428
2003-08-21 00:41 2003-08-20 DGX QUEST DIAGNOSTICS INC MARRONE GERALD C Officer OPT+S $58.65 19,390 $1,137,224 61,011
2003-08-19 23:27 2003-08-19 AMS American Shared Hospital Services AMERICAN SHARED HOSPITAL SERVICES Director, Officer, 10% owner SELL $6.00 12,800 $76,840 543,132
2003-08-19 00:34 2003-08-15 AMS American Shared Hospital Services AMERICAN SHARED HOSPITAL SERVICES Director, Officer, 10% owner SELL $5.91 27,300 $161,324 555,932
2003-08-14 23:30 2003-08-14 AMS American Shared Hospital Services AMERICAN SHARED HOSPITAL SERVICES Director, Officer, 10% owner SELL $5.65 1,700 $9,599 583,232
2003-08-13 01:41 2003-08-11 AMS American Shared Hospital Services AMERICAN SHARED HOSPITAL SERVICES Director, Officer, 10% owner SELL $5.69 4,000 $22,740 584,932
2003-08-07 23:57 2003-08-05 LH LABCORP HOLDINGS INC. SMITH BRADFORD T Officer OPT+S $30.84 46,042 $1,419,940 174,547
2003-08-08 00:06 2003-08-06 DGX QUEST DIAGNOSTICS INC FLAHERTY JAMES F III Director BUY $57.56 2,000 $115,120 2,000
2003-07-31 00:06 2003-07-29 DGX QUEST DIAGNOSTICS INC ZEWE DAVID M Officer SELL $60.71 15,235 $924,914 20,710
SHOW ENTRIES

Sector-Wide Insider Alpha

Analyzing insider movements across the Services-Medical Laboratories sector provides a macro-view of executive conviction. When multiple leaders in different companies within the same SIC code (8071) simultaneously buy shares, it often indicates an industry-wide undervaluation or a positive shift in market cycles.

SEC Filings in Services-Medical Laboratories

Every transaction in the Services-Medical Laboratories 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.