MMSI Insider Trading
MERIT MEDICAL SYSTEMS INC | Surgical & Medical Instruments & Apparatus
Comprehensive Trading Performance Summary
The investment history of corporate insiders at MERIT MEDICAL SYSTEMS INC provides a unique lens into the internal conviction of the company's leadership. By analyzing SEC Form 4 filings, investors can track how directors and officers are allocating their own capital. High-conviction buying often signals that management believes the current market price significantly undervalues future growth prospects, while strategic selling might occur for personal liquidity or portfolio diversification. Monitoring these shifts in ownership is essential for understanding the alignment between management and shareholders in the Surgical & Medical Instruments & Apparatus sector.
Transactions on Chart
Open Full Chart| Filing Date | Trade Date | Reporting Person | Relationship | Type | Price | Qty | Total, $ | Owned After | Change, % |
|---|---|---|---|---|---|---|---|---|---|
| 2022-06-08 02:34 | 2022-06-03 | Millner F. Ann | Director | OPT+S | $61.92 | 6,378 | $394,926 | 27,698 | 0.0% |
| 2021-09-17 22:53 | 2021-09-15 | Ward Lynne | Director | OPT+S | $71.83 | 9,470 | $680,230 | 12,499 | 0.0% |
| 2021-09-17 22:55 | 2021-09-15 | Wright Joseph | Officer - PRESIDENT, INTERNATIONAL | OPT+S | $72.01 | 10,000 | $720,100 | 12,343 | 0.0% |
| 2021-09-17 02:52 | 2021-09-14 | Lloyd Brian G. | Officer - CHIEF LEGAL OFFICER, SECRETARY | OPT+S | $71.86 | 19,000 | $1,365,306 | 6,696 | 0.0% |
| 2021-09-14 02:08 | 2021-09-10 | Anderson Jill | Director | SELL | $71.64 | 850 | $60,894 | 6,252 | -12.0% |
| 2021-09-10 23:48 | 2021-09-08 | Parra Raul Jr. | Officer - CFO AND TREASURER | OPT+S | $72.01 | 4,000 | $288,020 | 2,343 | 0.0% |
| 2021-06-17 02:40 | 2021-06-15 | Frost Ronald | Officer - CHIEF OPERATING OFFICER | OPT+S | $61.82 | 11,887 | $734,854 | 10,456 | 0.0% |
| 2021-05-27 00:24 | 2021-05-24 | Parra Raul Jr. | Officer - CFO AND TREASURER | OPT+S | $63.59 | 7,000 | $445,120 | 2,343 | 0.0% |
| 2021-05-24 22:30 | 2021-05-21 | Wright Joseph | Officer - PRESIDENT, INTERNATIONAL | OPT+S | $62.03 | 15,000 | $930,450 | 12,343 | 0.0% |
| 2021-05-20 15:40 | 2021-05-17 | ANDERSON A SCOTT | Director | OPT+S | $59.19 | 23,779 | $1,407,479 | 39,983 | 0.0% |
| 2021-05-10 23:48 | 2021-05-07 | Lloyd Brian G. | Officer - CHIEF LEGAL OFFICER, SECRETARY | OPT+S | $64.62 | 5,000 | $323,100 | 8,039 | 0.0% |
| 2021-05-11 01:21 | 2021-05-06 | Wright Joseph | Officer - PRESIDENT, INTERNATIONAL | OPT+S | $64.75 | 5,000 | $323,750 | 12,343 | 0.0% |
| 2021-05-06 18:11 | 2021-05-04 | Wright Joseph | Officer - PRESIDENT, INTERNATIONAL | OPT+S | $64.25 | 5,000 | $321,250 | 12,343 | 0.0% |
| 2021-03-19 01:18 | 2021-03-16 | Frost Ronald | Officer - CHIEF OPERATING OFFICER | SELL | $60.60 | 5,000 | $303,000 | 2,343 | -68.1% |
| 2021-03-17 04:37 | 2021-03-12 | LAMPROPOULOS FRED P | Director, Officer - PRESIDENT AND CEO | SELL | $59.60 | 4,947 | $294,841 | 967,916 | -0.5% |
| 2021-03-17 04:36 | 2021-03-12 | Parra Raul Jr. | Officer - CFO AND TREASURER | OPT+S | $59.57 | 1,000 | $59,570 | 2,343 | 0.0% |
| 2021-03-17 04:34 | 2021-03-12 | Lloyd Brian G. | Officer - CHIEF LEGAL OFFICER, SECRETARY | OPT+S | $59.39 | 14,418 | $856,222 | 8,039 | 0.0% |
| 2021-03-17 04:32 | 2021-03-12 | Lampropoulos Justin J. | Officer - PRESIDENT, EMEA | OPT+S | $59.58 | 25,000 | $1,489,500 | 2,343 | 0.0% |
| 2021-03-17 04:31 | 2021-03-12 | Frost Ronald | Officer - CHIEF OPERATING OFFICER | OPT+S | $59.58 | 25,000 | $1,489,500 | 7,343 | 0.0% |
| 2020-08-06 22:25 | 2020-08-04 | Floyd David | Director | BUY | $43.11 | 1,159 | $49,967 | 1,584 | +272.7% |
| 2020-06-04 00:28 | 2020-06-01 | LIU DAVID MING-TEH | Director | OPT+S | $45.00 | 13,800 | $621,000 | 0 | 0.0% |
| 2020-05-29 22:46 | 2020-05-27 | Karras Nolan E. | Director | OPT+S | $44.00 | 10,000 | $439,950 | 10,500 | 0.0% |
| 2020-05-23 01:25 | 2020-05-20 | LAMPROPOULOS FRED P | Director, Officer - PRESIDENT AND CEO | OPT+S | $44.00 | 5,000 | $220,000 | 1,269 | 0.0% |
| 2020-03-14 00:00 | 2020-03-11 | Miller Franklin J | Director | OPT+S | $35.25 | 2,331 | $82,168 | 2,334 | 0.0% |
| 2020-03-11 00:51 | 2020-03-06 | ANDERSON A SCOTT | Director | OPT+S | $37.29 | 6,638 | $247,531 | 18,762 | 0.0% |
| 2020-03-07 05:10 | 2020-03-04 | Miller Franklin J | Director | OPT+S | $38.07 | 15,000 | $571,050 | 2,334 | 0.0% |
| 2020-03-04 01:26 | 2020-03-02 | Karras Nolan E. | Director | OPT+S | $36.69 | 5,500 | $201,795 | 10,500 | 0.0% |
| 2019-11-06 02:38 | 2019-11-05 | Parra Raul Jr. | Officer - CFO & Treasurer | BUY | $25.50 | 2,525 | $64,388 | 2,988 | +545.4% |
| 2019-09-10 02:15 | 2019-09-06 | LAMPROPOULOS FRED P | Director, Officer - President & CEO | SELL | $30.70 | 161,817 | $4,967,086 | 1,269 | -99.2% |
| 2019-08-21 02:22 | 2019-08-16 | Karras Nolan E. | Director | OPT+S | $36.46 | 4,000 | $145,840 | 8,000 | 0.0% |
| 2019-08-20 02:03 | 2019-08-15 | Millner F. Ann | Director | OPT+S | $36.67 | 3,780 | $138,616 | 9,518 | 0.0% |
| 2019-08-17 02:11 | 2019-08-15 | LAMPROPOULOS FRED P | Director, Officer - President & CEO | SELL | $36.86 | 40,000 | $1,474,480 | 1,079,991 | -3.6% |
| 2019-08-07 00:44 | 2019-08-02 | STILLABOWER MICHAEL E | Director | OPT+S | $40.05 | 40,750 | $1,632,103 | 107,868 | 0.0% |
| 2019-07-31 23:20 | 2019-07-30 | Frost Ronald | Officer - Chief Operating Officer | BUY | $40.00 | 5,000 | $200,000 | 5,000 | +100.0% |
| 2019-06-21 01:11 | 2019-06-19 | Lampropoulos Justin J. | Officer - EVP GLOBAL SALES, MKTG & STGY | OPT+S | $60.87 | 8,000 | $486,928 | 0 | 0.0% |
| 2019-06-21 01:22 | 2019-06-19 | Karras Nolan E. | Director | OPT+S | $60.91 | 4,000 | $243,640 | 4,000 | 0.0% |
| 2019-05-09 21:08 | 2019-05-07 | Parra Raul Jr. | Officer - Chief Financial Officer | OPT+S | $57.11 | 2,000 | $114,212 | 0 | 0.0% |
| 2019-04-03 02:01 | 2019-03-29 | STANGER KENT W | Director | SELL | $61.05 | 12,228 | $746,507 | 415,087 | -2.9% |
| 2019-04-03 01:59 | 2019-03-29 | Miller Franklin J | Director | OPT+S | $61.38 | 5,000 | $306,875 | 14,038 | 0.0% |
| 2019-03-29 04:00 | 2019-03-26 | STANGER KENT W | Director | SELL | $60.34 | 5,000 | $301,683 | 427,315 | -1.2% |
| 2019-03-16 01:10 | 2019-03-14 | Parra Raul Jr. | Officer - Chief Financial Officer | OPT+S | $60.20 | 5,000 | $301,020 | 0 | 0.0% |
| 2019-03-16 01:13 | 2019-03-14 | Miller Franklin J | Director | OPT+S | $60.44 | 20,000 | $1,208,760 | 14,038 | 0.0% |
| 2019-03-06 03:00 | 2019-03-04 | STILLABOWER MICHAEL E | Director | OPT+S | $58.05 | 10,000 | $580,529 | 53,618 | 0.0% |
| 2018-12-04 00:56 | 2018-11-29 | Karras Nolan E. | Director | OPT+S | $61.28 | 2,000 | $122,550 | 2,000 | 0.0% |
| 2018-11-20 23:17 | 2018-11-16 | Lampropoulos Justin J. | Officer - EVP GLOBAL SALES, MKTG & STGY | OPT+S | $61.01 | 20,000 | $1,220,200 | 0 | 0.0% |
| 2018-11-20 23:25 | 2018-11-16 | Frost Ronald | Officer - Chief Operating Officer | OPT+S | $61.30 | 4,743 | $290,746 | 0 | 0.0% |
| 2018-11-10 02:14 | 2018-11-07 | Frost Ronald | Officer - Chief Operating Officer | OPT+S | $61.31 | 5,257 | $322,296 | 0 | 0.0% |
| 2018-11-03 00:36 | 2018-10-31 | Millner F. Ann | Director | OPT+S | $56.92 | 9,593 | $546,053 | 8,298 | 0.0% |
| 2018-06-26 02:12 | 2018-06-21 | Miller Franklin J | Director | OPT+S | $50.60 | 7,206 | $364,642 | 14,038 | 0.0% |
| 2018-06-15 22:24 | 2018-06-13 | Wright Joseph | Officer - President, International | OPT+S | $49.51 | 20,000 | $990,152 | 0 | 0.0% |
How to Interpret $MMSI Trades
Not every insider transaction in MERIT MEDICAL SYSTEMS INC is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $MMSI shares on the open market. It is crucial to distinguish between scheduled sales (under Rule 10b5-1) and voluntary increases in ownership, which demonstrate management’s true conviction that the stock is undervalued.
Data Source & Accuracy for MMSI
Insider activity data for MERIT MEDICAL SYSTEMS INC is streamed in real-time directly from the SEC EDGAR system. We analyze raw Form 4 filings, filtering out technical adjustments and complex derivative transactions. This provides a transparent view of how ownership structure is evolving in $MMSI, allowing you to follow the capital of those with the most intimate knowledge of the company.
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.