RUBICON TECHNOLOGY, INC.

PublicCIK: 1410172
RBCNOTC
Location

BENSENVILLE, IL

BANDERA PARTNERS LLC

13F-HR

Holdings

May 13, 2026·May 13, 2026

BANDERA PARTNERS LLC

13F-HR

Holdings

Feb 13, 2026·Feb 13, 2026

SEIRER DARREN CLAY

3
JANEL CORP
Dec 3, 2025·Dec 3, 2025
1 txn

BANDERA PARTNERS LLC

13F-HR

Holdings

Nov 12, 2025·Nov 12, 2025

VAN KESTEREN GERARD

4
JANEL CORP
Oct 3, 2025·Oct 3, 2025
1 txn

MILLER RYAN KAREN

4
JANEL CORP
Oct 3, 2025·Oct 3, 2025
1 txn

MELSEN GREGORY J

4
JANEL CORP
Oct 3, 2025·Oct 3, 2025
1 txn

BANDERA PARTNERS LLC

13F-HR

Holdings

Aug 12, 2025·Aug 12, 2025

SHANDY NATHAN COLIN

3
JANEL CORP
Aug 11, 2025·Aug 11, 2025
1 txn

BANDERA PARTNERS LLC

4
STAR GROUP, L.P.
Jun 3, 2025·Jun 3, 2025
3 txn

BANDERA PARTNERS LLC

13F-HR

Holdings

May 13, 2025·May 13, 2025

BANDERA PARTNERS LLC

13F-HR

Holdings

Feb 12, 2025·Feb 12, 2025

GRAMM JEFFERSON

4
INNOVATIVE FOOD HOLDINGS INC
Dec 6, 2024·Dec 6, 2024
1 txn

BANDERA PARTNERS LLC

3
INNOVATIVE FOOD HOLDINGS INC
Dec 6, 2024·Dec 6, 2024
1 txn

BANDERA PARTNERS LLC

13F-HR

Holdings

Nov 12, 2024·Nov 12, 2024

MILLER RYAN KAREN

4
JANEL CORP
Oct 2, 2024·Oct 2, 2024
1 txn

MELSEN GREGORY J

4
JANEL CORP
Oct 2, 2024·Oct 2, 2024
1 txn

VAN KESTEREN GERARD

4
JANEL CORP
Oct 2, 2024·Oct 2, 2024
1 txn

BANDERA PARTNERS LLC

13F-HR

Holdings

Aug 12, 2024·Aug 12, 2024

VAN KESTEREN GERARD

4
JANEL CORP
Aug 7, 2024·Aug 7, 2024
1 txn

GRAMM JEFFERSON

4
INNOVATIVE FOOD HOLDINGS INC
Jul 23, 2024·Jul 23, 2024
1 txn

GRAMM JEFFERSON

4
INNOVATIVE FOOD HOLDINGS INC
Jul 19, 2024·Jul 19, 2024
2 txn

BANDERA PARTNERS LLC

13F-HR

Holdings

May 14, 2024·May 14, 2024

VAN KESTEREN GERARD

4
JANEL CORP
Feb 29, 2024·Feb 29, 2024
4 txn

BANDERA PARTNERS LLC

13F-HR

Holdings

Feb 13, 2024·Feb 13, 2024
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