Company profile
Marine Products Corp Insider Trading
MPXEvery SEC Form 4 insider trading filing for Marine Products Corp (MPX) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- NYSE
- Sector
- Ship & Boat Building & Repairing
- CIK
- 0001129155
- Filings
- 77
- Insiders
- 22
- Last filing
- 2026-05-15
Activity summary
No insider transactions in the last 30 days. The most recent was on May 15, 2026, when Michael Schmit bought 22,339 shares. 77 filings from 22 insiders are on record below.
Three year balance
Buy and sell value by quarter, Q3 23 to Q2 26. Marine Products Corp insiders are net sellers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $386K.
No insider activity recorded for MPX in the last 90 days.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 15, 2026 | Michael Schmit | MPX | Award | 22,339 | — | — |
| May 15, 2026 | Stephen E Lewis | MPX | J | 5,801 | $8.18 | $47K |
| May 15, 2026 | Jerry Nix | MPX | J | 15,909 | $8.18 | $130K |
| May 15, 2026 | Ben M Palmer | MPX | J | 678,399 | $8.18 | $5.55M |
| May 15, 2026 | Ben M Palmer | MPX | Award | 75,303 | — | — |
45 more transactions hidden
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-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of Marine Products Corp as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →