Key facts
- This page summarizes Jefferson Gramm's Form 4 filing for Rubicon Technology, Inc. (RBCN).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 01 Aug 2022, 16:30.
Jefferson Gramm - 29 Jul 2022 Form 4 Insider Report for Rubicon Technology, Inc. (RBCN)
- Reporting relationship
- Director, 10%+ Owner
- Issuer ticker
- RBCN
- Reported as of
- 29 Jul 2022
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 01 Aug 2022, 16:30:56 UTC
- Prior SEC filing
- 28 Jan 2022
- Next SEC filing
- 23 Aug 2022
- Source filing
- View source filing
- Reporting owner signature
- /s/ Timothy Brog, Attorney in Fact
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 01 Aug 2022.
Change
- Previous filing in this sequence was filed on 28 Jan 2022.
- Current net transaction value: $0.
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
Award
- Transaction value
- $0
- Shares
- +1,010
- Change %
- +23%
- Price
- $0.000000
- Shares after
- 5,454
- Date
- 29 Jul 2022
- Ownership
- Direct
RBCN
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 258,256
- Date
- 29 Jul 2022
- Ownership
- See footnote
- Footnotes
- F1
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 1 footnote
Footnote F1
Consists of securities directly held by Bandera Master Fund L.P. ("Bandera Master Fund"). Bandera Master Fund has delegated to Bandera Partners LLC ("Bandera Partners"), its investment manager, the sole and exclusive authority to vote and dispose of the securities held by Bandera Master Fund. Mr. Gramm, solely by virtue of his position as a Managing Partner, Managing Director and Portfolio Manager of Bandera Partners, may be deemed to beneficially own the securities held by Bandera Master Fund. Mr. Gramm expressly disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.