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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2022-06-04 01:45 | 2022-06-01 | INVO | INVO Fertility, Inc. | Shum Steve | Director, Officer | BUY | $0.95 | 58,885 | $55,941 | 128,420 |
| 2022-06-04 01:45 | 2022-06-01 | INVO | INVO Fertility, Inc. | Ryan Barbara | Director | BUY | $0.95 | 10,526 | $10,000 | 22,991 |
| 2022-06-04 01:45 | 2022-06-01 | INVO | INVO Fertility, Inc. | Segal Jeffrey | Director | BUY | $0.95 | 9,211 | $8,750 | 28,220 |
| 2022-06-04 01:45 | 2022-06-01 | INVO | INVO Fertility, Inc. | Campbell Michael Jos. | Director, Officer | BUY | $0.95 | 10,526 | $10,000 | 75,762 |
| 2022-06-04 01:45 | 2022-06-01 | INVO | INVO Fertility, Inc. | Messina Rebecca | Director | BUY | $0.95 | 9,868 | $9,375 | 23,045 |
| 2022-06-04 01:30 | 2022-06-01 | INVO | INVO Fertility, Inc. | Doody Kevin | Director, Officer | BUY | $0.95 | 177,306 | $168,441 | 0 |
| 2022-06-04 01:45 | 2022-06-01 | INVO | INVO Fertility, Inc. | Szot Matthew K | Director | BUY | $0.95 | 14,474 | $13,750 | 39,175 |
| 2022-06-04 02:35 | 2022-06-03 | AFIB | Acutus Medical Inc. | Huennekens R Scott | Director | SELL | $0.58 | 60,000 | $34,800 | 507,509 |
| 2022-06-04 03:27 | 2022-06-01 | ATEC | Alphatec Holdings, Inc. | Hunsaker Craig E | Officer | SELL | $7.16 | 70,000 | $501,200 | 1,362,229 |
| 2022-06-04 01:45 | 2022-06-01 | INVO | INVO Fertility, Inc. | Goren Andrea | Officer | BUY | $0.95 | 52,632 | $50,000 | 129,015 |
| 2022-06-04 01:45 | 2022-06-01 | INVO | INVO Fertility, Inc. | DAVIS TRENT D | Director | BUY | $0.95 | 11,184 | $10,625 | 33,622 |
| 2022-06-04 01:12 | 2022-06-01 | LUNG | Pulmonx Corp | Rose Geoffrey Beran | Officer | SELL | $18.05 | 1,011 | $18,249 | 183,118 |
| 2022-06-04 01:07 | 2022-06-01 | LUNG | Pulmonx Corp | Sung Derrick | Officer | SELL | $18.05 | 1,065 | $19,223 | 254,897 |
| 2022-06-04 01:02 | 2022-06-01 | LUNG | Pulmonx Corp | French Glendon E. III | Director, Officer | SELL | $18.05 | 2,523 | $45,540 | 1,104,994 |
| 2022-06-04 00:57 | 2022-06-01 | LUNG | Pulmonx Corp | Lehman David Aaron | Officer | SELL | $18.05 | 1,065 | $19,223 | 46,311 |
| 2022-06-03 23:28 | 2022-06-01 | STIM | Neuronetics, Inc. | CANNELL CAPITAL LLC | 10% owner | BUY | $2.69 | 10,000 | $26,900 | 3,451,732 |
| 2022-06-03 02:24 | 2022-05-31 | TELA | TELA Bio, Inc. | EW HEALTHCARE PARTNERS FUND 2, L.P. | BUY | $6.99 | 15,000 | $104,900 | 3,470,709 | |
| 2022-06-01 00:02 | 2022-05-26 | ATAO | Premier Air Charter Holdings Inc. | Lovallo Leonard | Director, Officer | SELL | $0.02 | 150,000 | $2,250 | 39,005,000 |
| 2022-05-31 23:20 | 2022-05-27 | NXGL | NEXGEL, INC. | Drapczuk Adam E III | Officer | BUY | $1.61 | 20,000 | $32,172 | 20,000 |
| 2022-06-01 01:37 | 2022-05-26 | STIM | Neuronetics, Inc. | CANNELL CAPITAL LLC | 10% owner | BUY | $2.71 | 9,546 | $25,913 | 3,441,732 |
| 2022-05-28 01:45 | 2022-05-25 | TELA | TELA Bio, Inc. | EW HEALTHCARE PARTNERS FUND 2, L.P. | BUY | $7.11 | 15,000 | $106,700 | 3,455,709 | |
| 2022-05-28 01:39 | 2022-05-25 | TMCI | TREACE MEDICAL CONCEPTS, INC. | TREACE JAMES T | Director | SELL | $15.52 | 50,000 | $775,860 | 1,336,441 |
| 2022-05-26 23:43 | 2022-05-24 | VERO | Venus Concept Inc. | HOLLMIG STANLEY TYLER | Director | BUY | $0.64 | 40,000 | $25,720 | 40,000 |
| 2022-05-27 01:13 | 2022-05-24 | CVRX | CVRx, Inc. | Nielsen Kirk G. | Director | BUY | $5.05 | 8,070 | $40,752 | 1,711,355 |
| 2022-05-25 23:23 | 2022-05-24 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | Evoli Lisa | Officer | SELL | $59.85 | 250 | $14,963 | 20,811 |
| 2022-05-25 23:10 | 2022-05-23 | RVP | RETRACTABLE TECHNOLOGIES INC | Leonard Braden Michael | 10% owner | BUY | $3.98 | 63,474 | $252,899 | 3,766,875 |
| 2022-05-25 23:31 | 2022-05-23 | CTSO | Cytosorbents Corp | Capponi Vincent | Officer | BUY | $2.03 | 5,000 | $10,164 | 438,545 |
| 2022-05-25 23:44 | 2022-05-24 | DXCM | DEXCOM INC | Pacelli Steven Robert | Officer | SELL | $296.33 | 250 | $74,083 | 35,175 |
| 2022-05-26 00:51 | 2022-05-23 | STIM | Neuronetics, Inc. | CANNELL CAPITAL LLC | 10% owner | BUY | $2.44 | 36,123 | $88,191 | 3,432,186 |
| 2022-05-25 01:41 | 2022-05-20 | TELA | TELA Bio, Inc. | EW HEALTHCARE PARTNERS FUND 2, L.P. | BUY | $8.17 | 15,000 | $122,550 | 3,440,709 | |
| 2022-05-24 23:03 | 2022-05-20 | NMTC | NEUROONE MEDICAL TECHNOLOGIES Corp | McClurg Ronald W. | Officer | BUY | $0.90 | 28,000 | $25,214 | 43,000 |
| 2022-05-23 23:15 | 2022-05-19 | HAE | HAEMONETICS CORP | Miller Laurie A. | Officer | SELL | $59.10 | 91 | $5,378 | 13,179 |
| 2022-05-23 23:12 | 2022-05-19 | HAE | HAEMONETICS CORP | Lingamneni Anila | Officer | SELL | $59.10 | 1,384 | $81,794 | 17,322 |
| 2022-05-23 23:14 | 2022-05-19 | HAE | HAEMONETICS CORP | Llorens Josep | Officer | SELL | $59.10 | 1,418 | $83,804 | 17,335 |
| 2022-05-23 13:11 | 2022-05-20 | STSS | Sharps Technology Inc. | Hayes Robert Michael | Director, Officer | BUY | $1.20 | 5,000 | $6,010 | 25,000 |
| 2022-05-23 23:10 | 2022-05-19 | HAE | HAEMONETICS CORP | Goldstein Dan | Officer | SELL | $59.10 | 134 | $7,919 | 4,738 |
| 2022-05-23 23:08 | 2022-05-19 | HAE | HAEMONETICS CORP | Basil Michelle L | Officer | SELL | $59.10 | 3,258 | $192,548 | 40,912 |
| 2022-05-23 23:17 | 2022-05-19 | HAE | HAEMONETICS CORP | Simon, Christopher | Director, Officer | SELL | $59.10 | 2,496 | $147,514 | 214,872 |
| 2022-05-23 21:46 | 2022-05-12 | BSTG | Harvard Apparatus Regenerative Technology, Inc. | Shmerling James E. | Director | BUY | $5.92 | 16,892 | $100,001 | 16,892 |
| 2022-05-23 23:18 | 2022-05-19 | HAE | HAEMONETICS CORP | Strong Stewart W | Officer | SELL | $59.10 | 1,084 | $64,064 | 15,756 |
| 2022-05-23 23:32 | 2022-05-20 | VERO | Venus Concept Inc. | Serafino Domenic | Director, Officer | BUY | $0.75 | 65,000 | $48,750 | 933,758 |
| 2022-05-24 02:56 | 2022-05-19 | CVRX | CVRx, Inc. | Nielsen Kirk G. | Director | BUY | $5.04 | 28,795 | $145,040 | 1,703,285 |
| 2022-05-24 01:41 | 2022-05-19 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | BURKE WILLIAM W | Director | SELL | $10.12 | 1,100 | $11,132 | 19,536 |
| 2022-05-23 21:45 | 2022-05-12 | BSTG | Harvard Apparatus Regenerative Technology, Inc. | GREEN DAVID | Director, Officer | BUY | $5.92 | 63,345 | $375,002 | 158,861 |
| 2022-05-21 02:41 | 2022-05-18 | TCMI | TREACE MEDICAL CONCEPTS, INC. | Hair Mark | Officer | BUY | $15.80 | 6,200 | $97,960 | 28,150 |
| 2022-05-21 00:57 | 2022-05-18 | ATEC | Alphatec Holdings, Inc. | Miles Patrick | Director, Officer | SELL | $8.13 | 300,000 | $2,438,010 | 5,658,634 |
| 2022-05-21 00:58 | 2022-05-18 | STIM | Neuronetics, Inc. | CANNELL CAPITAL LLC | 10% owner | BUY | $2.35 | 63,913 | $150,144 | 3,393,063 |
| 2022-05-20 03:47 | 2022-05-12 | BSTG | Harvard Apparatus Regenerative Technology, Inc. | DST Capital LLC | 10% owner | BUY | $5.92 | 8,277 | $49,000 | 3,658,277 |
| 2022-05-20 02:02 | 2022-05-17 | TELA | TELA Bio, Inc. | EW HEALTHCARE PARTNERS FUND 2, L.P. | BUY | $8.96 | 15,000 | $134,450 | 3,425,709 | |
| 2022-05-19 21:48 | 2022-05-17 | RVP | RETRACTABLE TECHNOLOGIES INC | Leonard Braden Michael | 10% owner | BUY | $3.82 | 140,056 | $534,860 | 3,703,401 |
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.