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SEC EDGAR Form 4 ↗
CongressStock.com ↗
Track13F.com ↗
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© 2026 InsiderTradingScreener.com. Data from SEC EDGAR Form 4 filings.For informational purposes only. Not financial advice.

Home/Insiders/Marmurek Eric S

Marmurek Eric S

Insider

Insider

Total trades

14

Bought (open market)

$0

Sold (open market)

$0

Tickers traded

1

Recent trades

Most recent Form 4 filings by Marmurek Eric S.

Marmurek Eric Sgranted60,000 shares ofRBBNat $0Jun 15 · filed Jun 17Details
Marmurek Eric Sgranted90,000 shares ofRBBNat $0Jun 15 · filed Jun 17Details
Marmurek Eric Sgranted150,000 shares ofRBBNat $0Jun 15 · filed Jun 17Details

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Latest CEO & CFO Purchases Latest CEO & CFO Sales Director Purchases Officer Purchases Top Purchases This Week Top Sales This Week Top Officer Buys (Month)10% Owner Filings 10b5-1 Planned Trades Discretionary Trades Buy/Sell Ratios Politician-Insider Overlap

Marmurek Eric S

exercised

23,146 shares of

RBBN

May 15 · filed May 19Details

Marmurek Eric Stax-withheld10,247 shares ofRBBNat $2.63$27KMay 15 · filed May 19Details

Marmurek Eric Sexercised26,043 shares ofRBBNMay 15 · filed May 19Details

Marmurek Eric Stax-withheld12,452 shares ofRBBNat $2.63$33KMay 15 · filed May 19Details

Marmurek Eric Sexercised31,646 shares ofRBBNMay 15 · filed May 19Details

Marmurek Eric Stax-withheld9,107 shares ofRBBNat $2.63$24KMay 15 · filed May 19Details

Marmurek Eric Stax-withheld10,092 shares ofRBBNat $2.71$27KApr 17 · filed May 19Details

Marmurek Eric Sexercised25,651 shares ofRBBNApr 17 · filed May 19Details

Marmurek Eric Stax-withheld19,107 shares ofRBBNat $2.71$52KApr 17 · filed May 19Details

Marmurek Eric Sexercised48,328 shares ofRBBNApr 17 · filed May 19Details

Marmurek Eric Stax-withheld14,756 shares ofRBBNat $2.48$37KApr 15 · filed Apr 17Details

Marmurek Eric Sexercised37,500 shares ofRBBNApr 15 · filed Apr 17Details

Marmurek Eric Sgranted169,721 shares ofRBBNat $0Dec 15, 2025 · filed Dec 16, 2025Details

Marmurek Eric Sexercised75,000 shares ofRBBNOct 15, 2025 · filed Oct 17, 2025Details

Marmurek Eric Stax-withheld29,512 shares ofRBBNat $3.81$112KOct 15, 2025 · filed Oct 17, 2025Details