Related Party Transactions

3 Months Ended

Mar. 31, 2026

Related Party Transactions

Related Party Transactions

Note 7 – Related Party Transactions

Qualstar Corporation (OTCMKTS:QBAK)

Qualstar Corporation (OTCMKTS:QBAK) (“Qualstar”) is a related party. Steven N. Bronson, our Chairman of the Board, President and CEO, is also the President, CEO and a director of Qualstar. Ryan J. Hoffman, our CFO, is also the CFO of Qualstar. Mr. Bronson, together with BKF Capital Group, Inc. which he controls, has a controlling interest in both Interlink and Qualstar. We have a mutual facilities sharing agreement with Qualstar under which Qualstar allows us to use of a portion of its Camarillo, California office and warehouse facility, and we previously allowed Qualstar to use (while we occupied such facilities) a portion of our former office facilities in Irvine, California and Bellevue, Washington, in each case splitting substantially all rent and lease-related costs on an apportioned basis according to the approximate relative usage levels by each entity. In addition, we have a mutual consulting agreement with Qualstar under which certain of our respective employees and/or independent contractors provide certain operational, sales, marketing, general and administrative services to the other entity. Interlink and Qualstar also agree to reimburse, or be reimbursed by, one another for expenses paid by one company on behalf of the other. Transactions with Qualstar and its subsidiaries are as follows:

	Three months ended March 31,
	2026				2025
	Due from		Due to		Due from		Due to
	Qualstar		Qualstar		Qualstar		Qualstar
	(in thousands)
Balance at January 1,	$	5	$	25	$	8	$	12
Billed (or accrued) to Qualstar by Interlink		67		—		121		—
Paid by Qualstar to Interlink		(17)		—		(118)		—
Billed (or accrued) to Interlink by Qualstar		—		39		—		49
Paid by Interlink to Qualstar		—		(25)		—		—
Balance at March 31,	$	55	$	39	$	11	$	61

BKF Capital Group, Inc. (OTCMKTS:BKFG)

BKF Capital Group, Inc. (OTCMKTS:BKFG) (“BKF Capital”) is a related party. Steven N. Bronson, our Chairman of the Board, President and CEO, is also the CEO and Chairman of the Board of BKF Capital. Ryan J. Hoffman, our CFO, is also the CFO of BKF Capital. Mr. Bronson, together with BKF Capital, has a controlling interest in Interlink. We previously had a facilities agreement with BKF Capital to allow BKF Capital to use a portion of our office facility in Irvine, California, for which we had agreed to split substantially all rent and lease-related costs on an apportioned basis according to the approximate relative usage levels by each entity. Interlink and BKF Capital also agree to reimburse, or be reimbursed by, one another for expenses paid by one company on behalf of the other. Transactions with BKF Capital and its subsidiaries were not material during the periods ended March 31, 2026 and 2025.

Ridgefield Acquisition Corp (OTCMKTS:RDGA)

Ridgefield Acquisition Corp (OTCMKTS:RDGA) (“Ridgefield”) is a related party. Steven N. Bronson, our Chairman of the Board, President and CEO, is also the CEO and Chairman of the Board of Ridgefield as well as Ridgefield’s largest shareholder. Ryan J. Hoffman, our CFO, is also the CFO of Ridgefield. Interlink and Ridgefield agree to reimburse, or be reimbursed by, one another for expenses paid by one company on behalf of the other. Transactions with Ridgefield were not material during the periods ended March 31, 2026 and 2025.