Key facts
- This page summarizes Jefferson Gramm's Form 4 filing for Rubicon Technology, Inc. (RBCN).
- 2 reported transactions and 0 derivative rows are listed below.
- Accepted by SEC: 23 Aug 2022, 16:23.
Jefferson Gramm - 19 Aug 2022 Form 4 Insider Report for Rubicon Technology, Inc. (RBCN)
- Reporting relationship
- Director, Other*, 10%+ Owner
- Issuer ticker
- RBCN
- Reported as of
- 19 Aug 2022
- Net transaction value
- -$2,659,840
- SEC form
- 4
- Accepted by SEC
- 23 Aug 2022, 16:23:03 UTC
- Prior SEC filing
- 01 Aug 2022
- Next SEC filing
- 10 Feb 2023
- Source filing
- View source filing
- Reporting owner signature
- /s/ Jefferson Gramm
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Jefferson Gramm filed Form 4 for Rubicon Technology, Inc. (RBCN) on 23 Aug 2022.
Change
- Previous filing in this sequence was filed on 01 Aug 2022.
- Current net transaction value: -$2,659,840.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
RBCN
transaction
Common Stock, $0.001 Par Value Per Share
Sale
- Transaction value
- $61,180
- Shares
- -3,059
- Change %
- -50%
- Price
- $20.00
- Shares after
- 3,021
- Date
- 19 Aug 2022
- Ownership
- Direct
- Footnotes
- F1
RBCN
transaction
Common Stock, $0.001 Par Value Per Share
Sale
- Transaction value
- $2,598,660
- Shares
- -129,933
- Change %
- -50%
- Price
- $20.00
- Shares after
- 128,323
- Date
- 19 Aug 2022
- Ownership
- See footnote
- Footnotes
- F1, F2
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Section 16 status
Jefferson Gramm is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.
Explanation of responses 2 footnotes
Footnote F1
This Form 4 is filed jointly by Bandera Partners LLC ("Bandera Partners"), Gregory Bylinsky and Jefferson Gramm (collectively, the "Reporting Persons"). Each of the Reporting Persons are members of a Section 13(d) group that no longer collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein. As of August 19, 2022, Mr. Gramm no longer serves on the Issuer's board of directors.
Footnote F2
Bandera Partners is the investment manager of Bandera Master Fund L.P. ("Bandera Master Fund"), in whose name the shares are held. Messrs. Bylinsky and Gramm are the Managing Members of Bandera Partners. Bandera Master Fund has delegated to Bandera Partners the sole and exclusive authority to vote and dispose of the securities held by Bandera Master Fund. As a result, each of Bandera Partners and Messrs. Bylinsky and Gramm may be deemed to beneficially own the shares held by Bandera Master Fund.