Figures computed from official regulatory filings — .
Ownershipinsiders 0% · institutions 0% · short 0.0% of float
In USD · as of Oct 5, 2026
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Qualstar Corporation, together with its subsidiaries, manufactures and markets data storage system products and power solutions worldwide. The company operates through Data Storage and Power Supplies segments. It provides data storage systems under the Qualstar brand and power solutions under the N2Power brand. The company designs, manufactures, and sells switching power supplies that are used to convert AC line voltage to DC voltages and DC voltages to other DC voltages for use in various electronic equipment, such as communications equipment, industrial machine tools, and wireless systems, as well as medical and gaming devices. It also supports and sells data storage devices used to store, retrieve, and manage electronic data primarily in network computing environments. The company serves resellers, system integrators, and original equipment manufacturers, including OEMs in various markets, such as telecom/networking equipment, audio/visual, industrial, gaming and medical industries. The company was incorporated in 1984 and is based in Camarillo, California.
Market information source · Oct 5, 2026
SEC company identity · Oct 5, 2026
Open-market timeline · full history
357 buys147 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details |
|---|---|---|---|---|
| BRONSON STEVEN Ntrack record | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) |
| BRONSON STEVEN Ntrack record | Exercise | n/a (No price was disclosed in the filing) | SEC |
| BRONSON STEVEN Ntrack record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| BRONSON STEVEN Ntrack record | Buy | $32K | conv 32Cluster | SEC |
| BRONSON STEVEN Ntrack record | Buy | $20.6K | conv 32Cluster | SEC |
| BKF CAPITAL GROUP INCtrack record | Buy | $216.7 | conv 31Cluster | SEC |
| BKF CAPITAL GROUP INCtrack record | Buy | $78.2K | conv 34Cluster | SEC |
| BKF CAPITAL GROUP INCtrack record | Buy | $134K | conv 45ClusterUnusual size | SEC |
| BKF CAPITAL GROUP INCtrack record | Buy | $37.6K | conv 29Cluster | SEC |
| BKF CAPITAL GROUP INCtrack record | Buy | $69.1K | conv 44ClusterUnusual size | SEC |
| BKF CAPITAL GROUP INCtrack record | Buy | $33.7K | conv 27Cluster | SEC |
| BRONSON STEVEN Ntrack record | Buy | $29.6K | conv 41Cluster | SEC |
| BRONSON STEVEN Ntrack record | Buy | $52K | conv 43Cluster | SEC |
| BRONSON STEVEN Ntrack record | Buy | $38.4K | conv 42Cluster | SEC |
| BRONSON STEVEN Ntrack record | Buy | $2.3K | conv 41Cluster | SEC |
| BRONSON STEVEN Ntrack record | Buy | $8.6K | conv 42Cluster | SEC |
| BRONSON STEVEN Ntrack record | Buy | $21.3K | conv 44Cluster | SEC |
| BKF CAPITAL GROUP INCtrack record | Buy | $4.8K | conv 34Cluster | SEC |
| BKF CAPITAL GROUP INCtrack record | Buy | $4.9K | conv 31Cluster | SEC |
| BKF Asset Holdings, Inc.track record | Buy | $11.5K | conv 32Cluster | SEC |
| BKF Asset Holdings, Inc.track record | Buy | $13.3K | conv 34Cluster | SEC |
| BKF Asset Holdings, Inc.track record | Buy | $4.6K | conv 34Cluster | SEC |
| BRONSON STEVEN Ntrack record | Buy | $23.6K | conv 45Cluster | SEC |
| BKF Asset Holdings, Inc.track record | Buy | $41K | conv 56Unusual sizeFirst in 12mo | SEC |
| BKF Asset Holdings, Inc.track record | Buy | $15K | conv 19 | SEC |