SEC reporting owner

Steel Partners II Master Fund L.P. SEC insider disclosures

Explore Steel Partners II Master Fund L.P.'s reporting-owner identity, issuer relationships, purchases, sales and SEC filing receipts.

As of 2026-10-07T00:29:11.873Z

Reporting owner CIK
0001422280
Issuers
16
Coverage
verified

Inspect this reporting owner's activity

Step 1 of 3

Issuer relationships

Steel Partners II Master Fund L.P.: source evidence dated 2026-10-07T00:29:11.873Z.

Issuer
COSINE COMMUNICATIONS INC
CIK
0001060824
Tickers
COSN.PK
Officer
No
Director
No
What you should see

The displayed owner or issuer and source fields identify the receipt to verify; keep reporting and availability dates separate.

Step 2 of 3

Which issuer and transaction does this person appear in?

Match the reviewed owner identity, issuer and transaction code. Directory eligibility does not turn every filing into a strategy signal.

What you should see

Use the linked SEC receipts and company profiles to verify what became public and when.

Step 3 of 3

Browse insider directory

Use the linked SEC receipts and company profiles to verify what became public and when.

Browse insider directory
What you should see

Keep reporting dates and units beside the answer, and inspect its original citations.

Issuer relationships

See the complete issuer relationships

A reporting-owner CIK identifies the filer across issuer relationships and name aliases. A filer may be an individual or an organization; the filing role is the relevant evidence.

Scroll sideways to compare all columns. Select a heading to sort.

COSINE COMMUNICATIONS INC0001060824COSN.PKNoNo
SL INDUSTRIES INC0000089270SLINoNo
NEW FRONTIER MEDIA INC0000847383NOOFNoNo
REUNION INDUSTRIES INC0001003429RUNI.PKNoNo
IKON OFFICE SOLUTIONS INC0000003370IKNNoNo
DEL GLOBAL TECHNOLOGIES CORP0000027748DGTC.PKNoNo
WHX CORP0000106618WXCP.PKNoNo
NATHANS FAMOUS INC0000069733NATHNoNo
ANGELICA CORP /NEW/0000006571AGLNoNo
ADAPTEC INC0000709804ADPTNoNo
CONTINENTAL MATERIALS CORP0000024104CUONoNo
EARTHLINK INC0001102541ELNKNoNo
ENPRO INDUSTRIES, INC0001164863NPONoNo
ROTECH HEALTHCARE INC0001175108ROHINoNo
SELECTICA INC0001090908SLTCNoNo
GILMAN CIOCIA, INC.0000914142GTAX.OBNoNo

Recent SEC transactions

Code P identifies a purchase, S a sale and A an award. Awards and open-market purchases describe different events. Use the public availability date when deciding when a researcher could have known about the transaction.

Scroll sideways to compare all columns. Select a heading to sort.

No records are available for this view.

Up to 50 transactions from the recent two-year owner window.

Source evidence and strategy eligibility

The transactions below come from filings; a historical tracker separately simulates following eligible events. Joint filers can report the same transaction, and an owner can have filings at multiple companies. Public availability, amendment lineage and verified coverage determine which events a historical tracker may use.

The current directory marks this owner's filing coverage verified.

Aurora · AI research assistant

Try this in Aurora

Edit the request, then open it in Aurora. You choose when to send it.