Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001615774-19-000723
Filing Date
2019-01-17
Accepted
2019-01-17 18:02:11
Documents
1
Period of Report
2019-01-15

Document Format Files

Seq Description Document Type Size
1 FORM 4 s115420_form4.html 4  
1 FORM 4 s115420_form4.xml 4 17320
  Complete submission text file 0001615774-19-000723.txt   23013
Mailing Address 224 AIRPORT PARKWAY SUITE 550 SAN JOSE CA 95110
Business Address 224 AIRPORT PARKWAY SUITE 550 SAN JOSE CA 95110 408 944 4000
QUANTUM CORP /DE/ (Issuer) CIK: 0000709283 (see all company filings)

EIN.: 942665054 | State of Incorp.: DE | Fiscal Year End: 0331
SIC: 3572 Computer Storage Devices

Mailing Address 11100 SANTA MONICA BLVD SUITE 800 LOS ANGELES CA 90025
Business Address 11100 SANTA MONICA BLVD SUITE 800 LOS ANGELES CA 90025 3109661444
B. RILEY FBR, INC. (Reporting) CIK: 0000852412 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-13449 | Film No.: 19531742

Mailing Address 119 ROWAYTON AVENUE 2ND FLOOR NORWALK CT 06853
Business Address 119 ROWAYTON AVENUE 2ND FLOOR NORWALK CT 06853 212-230-3220
Dialectic Antithesis Partners, LP (Reporting) CIK: 0001325552 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-13449 | Film No.: 19531743

Mailing Address 21255 BURBANK BLVD. SUITE 400 WOODLAND HILLS CA 91367
Business Address 21255 BURBANK BLVD. SUITE 400 WOODLAND HILLS CA 91367 818-884-3737
B. Riley Financial, Inc. (Reporting) CIK: 0001464790 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-13449 | Film No.: 19531738
SIC: 7389 Services-Business Services, NEC

Mailing Address 11100 SANTA MONICA BLVD. SUITE 800 LOS ANGELES CA 90025
Business Address 11100 SANTA MONICA BLVD. SUITE 800 LOS ANGELES CA 90025 310-966-1445
BRC Partners Opportunity Fund, LP (Reporting) CIK: 0001642765 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-13449 | Film No.: 19531739

Mailing Address 11100 SANTA MONICA BLVD. SUITE 800 LOS ANGELES CA 90025
Business Address 11100 SANTA MONICA BLVD. SUITE 800 LOS ANGELES CA 90025 310-966-1445
B. RILEY CAPITAL MANAGEMENT, LLC (Reporting) CIK: 0001658704 (see all company filings)

State of Incorp.: NY | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-13449 | Film No.: 19531741

Mailing Address 11100 SANTA MONICA BLVD., SUITE 800 LOS ANGELES CA 90025
Business Address 11100 SANTA MONICA BLVD., SUITE 800 LOS ANGELES CA 90025 310-966-1444
BR Dialectic Capital Management, LLC (Reporting) CIK: 0001704985 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-13449 | Film No.: 19531744

Mailing Address 11100 SANTA MONICA BLVD SUITE 800 LOS ANGELES CA 90025
Business Address 11100 SANTA MONICA BLVD SUITE 800 LOS ANGELES CA 90025 310-689-2220
BRC Partners Management GP, LLC (Reporting) CIK: 0001749420 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-13449 | Film No.: 19531740