MERIT MEDICAL SYSTEMS INC
Total Trades
64
Buys
0
Sells
38
Largest Trade
N/A
Insiders
15
Institutional Funds
323
Inst. Value
$1M+
Activist Filings
14
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| LAMPROPOULOS FRED P | PRESIDENT AND CEO | SELL | $1M+ | 21K | $69.88 | Mar 3, 2023 |
| LAMPROPOULOS FRED P | PRESIDENT AND CEO | GRANT | N/A | 27K | — | Mar 3, 2023 |
| Wright Joseph | PRESIDENT | EXERCISE | $50K–$100K | 5K | $16.05 | Aug 17, 2022 |
| Wright Joseph | PRESIDENT | SELL | $100K–$500K | 5K | $63.25 | Aug 17, 2022 |
| Parra Raul Jr. | CFO AND TREASURER | SELL | $100K–$500K | 2K | $62.73 | Aug 16, 2022 |
| Parra Raul Jr. | CFO AND TREASURER | EXERCISE | $50K–$100K | 2K | $28.20 | Aug 16, 2022 |
| Lloyd Brian G. | CHIEF LEGAL OFFICER | SELL | $1M+ | 27K | $62.03 | Aug 15, 2022 |
| Lloyd Brian G. | CHIEF LEGAL OFFICER | EXERCISE | $500K+ | 30K | $28.20 | Aug 15, 2022 |
| Frost Ronald | CHIEF OPERATING OF… | EXERCISE | $100K–$500K | 20K | $16.05 | Aug 12, 2022 |
| Frost Ronald | CHIEF OPERATING OF… | SELL | $1M+ | 20K | $62.10 | Aug 12, 2022 |
| Peterson Neil | CHIEF OPERATING OF… | SELL | $100K–$500K | 4K | $58.10 | Aug 4, 2022 |
| Peterson Neil | CHIEF OPERATING OF… | EXERCISE | $50K–$100K | 4K | $16.05 | Aug 4, 2022 |
| Millner F. Ann | Director | SELL | $100K–$500K | 6K | $61.92 | Jun 7, 2022 |
| Millner F. Ann | Director | EXERCISE | $100K–$500K | 10K | $18.80 | Jun 7, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 323 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| STATE STREET CORP | 2.2M | $1M+ | SH |
| Conestoga Capital Advisors, LLC | 2.1M | $1M+ | SH |
| FULLER & THALER ASSET MANAGEMENT, INC. | 2.1M | $1M+ | SH |
| FULLER & THALER ASSET MANAGEMENT, INC. | 2.1M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 1.3M | $1M+ | SH |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 1.1M | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 1.1M | $1M+ | SH |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 875K | $1M+ | SH |
| NORGES BANK | 862K | $1M+ | SH |
| CONGRESS ASSET MANAGEMENT CO | 858K | $1M+ | SH |
| WESTWOOD HOLDINGS GROUP INC | 826K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 672K | $1M+ | SH |
| Walleye Capital LLC | 560K | $1M+ | SH |
| MAVERICK CAPITAL LTD | 486K | $1M+ | SH |
| ArrowMark Colorado Holdings LLC | 457K | $1M+ | SH |
| Point72 Asset Management, L.P. | 437K | $1M+ | SH |
| NOMURA HOLDINGS INC | 415K | $1M+ | SH |
| Champlain Investment Partners, LLC | 367K | $1M+ | SH |
| PUBLIC SECTOR PENSION INVESTMENT BOARD | 325K | $1M+ | SH |
| FORT WASHINGTON INVESTMENT ADVISORS INC /OH/ | 321K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Oct 17, 2025
14.1%
8.4M shares
William Blair Investment Management, LLC
SC 13G/A · Nov 14, 2024
2.5%
1.4M shares
SC 13G/A · Nov 8, 2024
15.4%
9.0M shares
SC 13G/A · Oct 18, 2024
15.4%
9.0M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
11.9%
6.9M shares
William Blair Investment Management, LLC
SC 13G/A · Feb 12, 2024
6.6%
3.8M shares
SC 13G/A · Jan 22, 2024
17.4%
10.1M shares
ArrowMark Colorado Holdings, LLC
SC 13G/A · Feb 14, 2023
4.4%
2.5M shares
William Blair Investment Management, LLC
SC 13G/A · Feb 9, 2023
6.6%
3.7M shares
SC 13G/A · Jan 26, 2023
17.0%
9.7M shares
SC 13G/A · Jan 20, 2023
17.0%
9.7M shares
ArrowMark Colorado Holdings, LLC
SC 13G/A · Feb 14, 2022
5.5%
3.1M shares
SC 13G/A · Jan 27, 2022
14.8%
8.3M shares
SC 13G/A · Jan 25, 2022
14.8%
8.3M shares