Form4insider filings, from the source

SEC Form 4 · accession 0001213900-18-006059

Rubicon Technology, Inc. · RBCN

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner
Period of report
May 10, 2018
Accepted (ET)
May 14, 2018 · 1:08 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001410172

Table I — non-derivative securities

No Table I lines on this filing.

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Restricted Stock UnitsF1,F2—May 10, 2018A1,391A——Common Stock1,3911,391D

Explanation of responses