Portolan Capital Management filings

This page lists the SEC filings reported by Portolan Capital Management.

SEC filings by Portolan Capital Management (ownership)
TypeFiledFilerSubjectShares OwnedPercent Owned
SC 13G2024-03-14Portolan Capital Management, LLCIdentiv, Inc.1,284,3755.5%EDGAR
SC 13G/A2024-02-14Portolan Capital Management, LLCBEL FUSE INC /NJ190,5121.8%EDGAR
SC 13G/A2024-02-14Portolan Capital Management, LLCEMCORE CORP00.0%EDGAR
SC 13G/A2024-02-14Portolan Capital Management, LLCHonest Company, Inc.7,556,9857.9%EDGAR
SC 13G/A2024-02-14Portolan Capital Management, LLCPorch Group, Inc.3,200,1833.2%EDGAR
SC 13G/A2024-02-14Portolan Capital Management, LLCIdentiv, Inc.907,4683.9%EDGAR
SC 13G/A2024-02-14Portolan Capital Management, LLCKURA SUSHI USA, INC.74,9170.7%EDGAR
SC 13G2023-12-18Portolan Capital Management, LLCGEN Restaurant Group, Inc.275,6186.7%EDGAR
SC 13G2023-04-13Portolan Capital Management, LLCHonest Company, Inc.5,197,7215.6%EDGAR
SC 13G2023-03-24Portolan Capital Management, LLCEMCORE CORP3,113,3355.8%EDGAR
SC 13G2023-03-10Portolan Capital Management, LLCBEL FUSE INC /NJ531,5775.1%EDGAR
SC 13G/A2023-02-13Portolan Capital Management, LLCCharah Solutions, Inc.166,8195.0%EDGAR
SC 13G/A2023-02-13Portolan Capital Management, LLCHARVARD BIOSCIENCE INC1,054,3002.5%EDGAR
SC 13G/A2023-02-13Portolan Capital Management, LLCPorch Group, Inc.6,341,0986.3%EDGAR
SC 13G/A2023-02-13Portolan Capital Management, LLCLANTRONIX INC691,1181.9%EDGAR
SC 13G/A2023-02-13Portolan Capital Management, LLCFULL HOUSE RESORTS INC407,4521.2%EDGAR
SC 13G/A2023-02-13Portolan Capital Management, LLCRICHARDSON ELECTRONICS, LTD.484,6324.0%EDGAR
SC 13G/A2023-02-13Portolan Capital Management, LLCALTA EQUIPMENT GROUP INC.572,2461.8%EDGAR
SC 13G/A2023-02-13Portolan Capital Management, LLCIdentiv, Inc.2,126,2119.4%EDGAR
SC 13G2023-01-20Portolan Capital Management, LLCKURA SUSHI USA, INC.470,0075.4%EDGAR
Form 13F-HR
The 13F-HR report is filed quarterly to report securities held by the filer that fall under the SEC's 13F rules.
Form SC 13D/G
Reported by persons and groups who own 5% or more of any class of a company's outstanding shares. If the ownership changes by 1% or more, an amendment must be filed.
Form 3, 4, and 5
Form 3, 4, and 5 reports are filed to report insider transactions by company officers and directors, and any beneficial owners of more than ten percent of a company's shares. Form 3 is the initial report that must be filed when a person becomes an officer, director, or beneficial owner. Form 4 reports are used to report changes in ownership, while the Form 5 report is used for reporting transactions that should have been reported earlier in a Form 4 filing.