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MMSINasdaq · Surgical & Medical Instruments & Apparatus

MERIT MEDICAL SYSTEMS INC

Alert me on MMSI
5
Insider buys, 6 months
0
Congress trades, 6 months
0
Signals, 6 months

Six months

MMSI stock chart by TradingView

After each filing

15
Aug 26 Sale Peterson Neil W. Insider
1 week
−0.5%S&P −0.1%
1 month
−3.4%S&P +0.9%
3 months
Result in22 trading days
6 months
Result in85 trading days
Aug 5 Sale Peterson Neil W. Insider
1 week
+4.6%S&P +0.4%
1 month
+1.6%S&P +0.4%
3 months
Result in7 trading days
6 months
Result in70 trading days
May 13 Buy Smith Christian Adam Insider
1 week
+3.0%S&P −0.1%
1 month
+6.2%S&P −0.1%
3 months
+44.5%S&P +5.1%
6 months
Result in13 trading days
May 11 Buy Lloyd Brian G. Insider
1 week
+5.5%S&P −0.1%
1 month
+11.1%S&P −1.9%
3 months
+51.1%S&P +4.5%
6 months
Result in11 trading days
May 11 Sale Ward Lynne N. Insider
1 week
+5.5%S&P −0.1%
1 month
+11.1%S&P −1.9%
3 months
+51.1%S&P +4.5%
6 months
Result in11 trading days
Show all 15
May 8 Buy Voigt Michel J. Insider
1 week
+0.1%S&P +0.2%
1 month
+10.2%S&P −0.1%
3 months
+46.5%S&P +5.1%
6 months
Result in10 trading days
May 8 Buy Aronson Martha Goldberg Insider
1 week
+0.1%S&P +0.2%
1 month
+10.2%S&P −0.1%
3 months
+46.5%S&P +5.1%
6 months
Result in10 trading days
May 8 Buy Parra Raul Jr. Insider
1 week
+0.1%S&P +0.2%
1 month
+10.2%S&P −0.1%
3 months
+46.5%S&P +5.1%
6 months
Result in10 trading days
Jan 8 Sale Peterson Neil W. Insider
1 week
−13.8%S&P +0.4%
1 month
−13.3%S&P +0.6%
3 months
−26.7%S&P −1.2%
6 months
−21.4%S&P +9.2%
Nov 27, 2025 Sale Lampropoulos Fred P. Insider
1 week
−3.6%S&P +0.3%
1 month
+2.3%S&P +0.8%
3 months
−13.6%S&P −0.2%
6 months
−29.7%S&P +11.8%
Nov 25, 2025 Sale Lampropoulos Fred P. Insider
1 week
−3.8%S&P +1.3%
1 month
−0.2%S&P +2.6%
3 months
−11.9%S&P +1.9%
6 months
−28.0%S&P +12.7%
Nov 21, 2025 Sale Lampropoulos Fred P. Insider
1 week
−0.9%S&P +3.2%
1 month
+0.5%S&P +4.7%
3 months
−9.1%S&P +5.5%
6 months
−28.3%S&P +14.5%
Nov 21, 2025 Sale Lampropoulos Fred P. Insider
1 week
−0.9%S&P +3.2%
1 month
+0.5%S&P +4.7%
3 months
−9.1%S&P +5.5%
6 months
−28.3%S&P +14.5%
Oct 22, 2025 Sale Rep. Lisa McClain House
1 week
−0.3%S&P +1.2%
1 month
+4.6%S&P −1.9%
3 months
−0.9%S&P +3.4%
6 months
−19.1%S&P +7.1%
Aug 13, 2025 Buy Rep. Lisa McClain House
1 week
+1.7%S&P −1.5%
1 month
−2.7%S&P +2.5%
3 months
+3.4%S&P +6.3%
6 months
−4.2%S&P +6.3%

Every purchase and sale on this ticker reported by a member of Congress or an insider, measured from the close of the first trading day after it became public to the close 1 week, 1 month, 3 months and 6 months later, each beside the S&P over the same days.

Filings for MMSI

51 held · newest 551 held · newest 2
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See all 51 filings for MMSI

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Government contracts, last 12 months

Awards of $10M and up, from USAspending · context, not a signal
No contracts of $10M or more in the last 12 months.

Lobbying

Last four quarters
$10KQ4 2025
$10KQ1 2026
$10KQ2 2026
$10KQ3 2026
Unchanged from Q2 2026. Reported by the company to the Senate each quarter.Original report ↗

Read from LDA.gov between Sep 23, 2026 and Oct 2, 2026. Senate Office of Public Records cannot vouch for the data or analyses derived from these data after the data have been retrieved from LDA.gov.