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Nasdaq · USD

QMCO

QUANTUM CORP /DE/

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Tapewire entity
4987
SEC CIK
0000709283
Parsed reports
354

Last 12 months

Inside the activity.

0 purchase rows · 4 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202500
Dec 202500
Jan 202600
Feb 202600
Mar 202600
Apr 202601
May 202600
Jun 202600
Jul 202602
Aug 202601
Sep 202600
Oct 202600

Latest available

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
January 03, 2019 Filed Jan 4, 2019 01:03 UTC PurchaseCommon Stock 350 $1.85 $647.50
Disclosure

SEC source: 0001615774-19-000204 · s115210_form4.xml · nonDerivative · entry 2

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

B. Riley FBR, Inc. · CIK 0001505748 · 10% owner

Dialectic Antithesis Partners, LP · CIK 0001325552 · 10% owner

BR Dialectic Capital Management, LLC · CIK 0001704985 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 1,695,124

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 3 is being filed jointly by BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), B. Riley FBR, Inc., a Delaware corporation ("BRFBR"), Dialectic Antithesis Partners, LP, a Delaware limited partnership ("Dialectic") and BR Dialectic Capital Management, LLC, a Delaware limited liability company (collectively, the "Filing Persons").

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR. As a result, BRF may be deemed to indirectly beneficially own the Shares held by BRFBR. BR Dialectic is the general partner and investment manager of Dialectic. BRCM is the parent company of BR Dialectic and BRF is the parent company of BRCM. As a result, BR Dialectic, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by Dialectic. Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock"), of Quantum Corporation, a Delaware corporation (the "Issuer"), reported herein except to the extent of its pecuniary interest therein.

F3 · ownership.nature: Represents shares of Common Stock owned directly by BRFBR.

Read SEC document
December 31, 2018 Filed Jan 4, 2019 01:03 UTC PurchaseCommon Stock 32,078 $1.87 $59,985.86
Disclosure

SEC source: 0001615774-19-000204 · s115210_form4.xml · nonDerivative · entry 1

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

B. Riley FBR, Inc. · CIK 0001505748 · 10% owner

Dialectic Antithesis Partners, LP · CIK 0001325552 · 10% owner

BR Dialectic Capital Management, LLC · CIK 0001704985 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 1,694,774

F4 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.83 to $1.88, inclusive. The Filing Persons reporting person undertakes to provide to the Commission, upon request, full information regarding the number of shares sold at each separate price.

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 3 is being filed jointly by BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), B. Riley FBR, Inc., a Delaware corporation ("BRFBR"), Dialectic Antithesis Partners, LP, a Delaware limited partnership ("Dialectic") and BR Dialectic Capital Management, LLC, a Delaware limited liability company (collectively, the "Filing Persons").

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR. As a result, BRF may be deemed to indirectly beneficially own the Shares held by BRFBR. BR Dialectic is the general partner and investment manager of Dialectic. BRCM is the parent company of BR Dialectic and BRF is the parent company of BRCM. As a result, BR Dialectic, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by Dialectic. Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock"), of Quantum Corporation, a Delaware corporation (the "Issuer"), reported herein except to the extent of its pecuniary interest therein.

F3 · ownership.nature: Represents shares of Common Stock owned directly by BRFBR.

Read SEC document
December 28, 2018 Filed Dec 29, 2018 00:05 UTC PurchaseCommon Stock 125,000 $1.91 $238,225.00
Disclosure

SEC source: 0001615774-18-015169 · s115059_form4.xml · nonDerivative · entry 4

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

B. RILEY FBR, INC. · CIK 0000852412 · 10% owner

Dialectic Antithesis Partners, LP · CIK 0001325552 · 10% owner

BR Dialectic Capital Management, LLC · CIK 0001704985 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 1,662,696

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.875 to $1.92, inclusive. The Filing Persons reporting person undertakes to provide to the Commission, upon request, full information regarding the number of shares sold at each separate price.

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 3 is being filed jointly by BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), B. Riley FBR, Inc., a Delaware corporation ("BRFBR"), Dialectic Antithesis Partners, LP, a Delaware limited partnership ("Dialectic") and BR Dialectic Capital Management, LLC, a Delaware limited liability company (collectively, the "Filing Persons").

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR. As a result, BRF may be deemed to indirectly beneficially own the Shares held by BRFBR. BR Dialectic is the general partner and investment manager of Dialectic. BRCM is the parent company of BR Dialectic and BRF is the parent company of BRCM. As a result, BR Dialectic, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by Dialectic. Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock"), of Quantum Corporation, a Delaware corporation (the "Issuer"), reported herein except to the extent of its pecuniary interest therein.

F5 · ownership.nature: Represents shares of Common Stock owned directly by BRFBR.

Read SEC document
December 27, 2018 Filed Dec 29, 2018 00:05 UTC PurchaseCommon Stock 100,000 $1.20 $120,000.00
Disclosure

SEC source: 0001615774-18-015169 · s115059_form4.xml · nonDerivative · entry 3

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

B. RILEY FBR, INC. · CIK 0000852412 · 10% owner

Dialectic Antithesis Partners, LP · CIK 0001325552 · 10% owner

BR Dialectic Capital Management, LLC · CIK 0001704985 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 1,537,696

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 3 is being filed jointly by BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), B. Riley FBR, Inc., a Delaware corporation ("BRFBR"), Dialectic Antithesis Partners, LP, a Delaware limited partnership ("Dialectic") and BR Dialectic Capital Management, LLC, a Delaware limited liability company (collectively, the "Filing Persons").

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR. As a result, BRF may be deemed to indirectly beneficially own the Shares held by BRFBR. BR Dialectic is the general partner and investment manager of Dialectic. BRCM is the parent company of BR Dialectic and BRF is the parent company of BRCM. As a result, BR Dialectic, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by Dialectic. Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock"), of Quantum Corporation, a Delaware corporation (the "Issuer"), reported herein except to the extent of its pecuniary interest therein.

F5 · ownership.nature: Represents shares of Common Stock owned directly by BRFBR.

Read SEC document
December 27, 2018 Filed Dec 29, 2018 00:05 UTC PurchaseCommon Stock 253,801 $1.25 $316,464.47
Disclosure

SEC source: 0001615774-18-015169 · s115059_form4.xml · nonDerivative · entry 2

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

B. RILEY FBR, INC. · CIK 0000852412 · 10% owner

Dialectic Antithesis Partners, LP · CIK 0001325552 · 10% owner

BR Dialectic Capital Management, LLC · CIK 0001704985 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 1,493,801

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 3 is being filed jointly by BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), B. Riley FBR, Inc., a Delaware corporation ("BRFBR"), Dialectic Antithesis Partners, LP, a Delaware limited partnership ("Dialectic") and BR Dialectic Capital Management, LLC, a Delaware limited liability company (collectively, the "Filing Persons").

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR. As a result, BRF may be deemed to indirectly beneficially own the Shares held by BRFBR. BR Dialectic is the general partner and investment manager of Dialectic. BRCM is the parent company of BR Dialectic and BRF is the parent company of BRCM. As a result, BR Dialectic, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by Dialectic. Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock"), of Quantum Corporation, a Delaware corporation (the "Issuer"), reported herein except to the extent of its pecuniary interest therein.

F4 · ownership.nature: Represents shares of Common Stock owned directly by BRPLP.

Read SEC document
December 27, 2018 Filed Dec 29, 2018 00:05 UTC PurchaseCommon Stock 38,092 $1.49 $56,787.55
Disclosure

SEC source: 0001615774-18-015169 · s115059_form4.xml · nonDerivative · entry 1

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

BRC Partners Opportunity Fund, LP · CIK 0001642765 · 10% owner

BRC Partners Management GP, LLC · CIK 0001749420 · 10% owner

B. RILEY CAPITAL MANAGEMENT, LLC · CIK 0001658704 · 10% owner

B. RILEY FBR, INC. · CIK 0000852412 · 10% owner

Dialectic Antithesis Partners, LP · CIK 0001325552 · 10% owner

BR Dialectic Capital Management, LLC · CIK 0001704985 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See notes

Disclosed balance after: 938,092

F1 · ownership.nature: In addition to B. Riley Financial, Inc., a Delaware corporation ("BRF"), this Form 3 is being filed jointly by BRC Partners Opportunity Fund, L.P., a Delaware limited partnership ("BRPLP"), B. Riley Capital Management, LLC, a New York limited liability company ("BRCM"), BRC Partners Management GP, LLC, a Delaware limited liability company ("BRPGP"), B. Riley FBR, Inc., a Delaware corporation ("BRFBR"), Dialectic Antithesis Partners, LP, a Delaware limited partnership ("Dialectic") and BR Dialectic Capital Management, LLC, a Delaware limited liability company (collectively, the "Filing Persons").

F2 · ownership.nature: BRPGP is the general partner of BRPLP, BRCM is an investment advisor to BRPLP and BRF is the parent company of BRCM. As a result, BRPGP, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by BRPLP. BRF is the parent company of BRFBR. As a result, BRF may be deemed to indirectly beneficially own the Shares held by BRFBR. BR Dialectic is the general partner and investment manager of Dialectic. BRCM is the parent company of BR Dialectic and BRF is the parent company of BRCM. As a result, BR Dialectic, BRCM and BRF may be deemed to indirectly beneficially own the Shares held by Dialectic. Each of the Filing Persons disclaims beneficial ownership of the outstanding shares of Common Stock ("Common Stock"), of Quantum Corporation, a Delaware corporation (the "Issuer"), reported herein except to the extent of its pecuniary interest therein.

F3 · ownership.nature: Represents shares of Common Stock owned directly by Dialectic.

Read SEC document
April 01, 2018 Filed Apr 3, 2018 16:30 UTC
Ahmad FuadSVP, Chief Financial Officer
Tax withholdingCommon Stock 1,446 $3.64 $5,263.44
Disclosure

SEC source: 0001209191-18-022717 · doc4.xml · nonDerivative · entry 1

Ahmad Fuad · CIK 0001379591 · SVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 170,998

F1 · shares: Surrender of shares to satisfy employment tax withholding obligations upon vesting of restricted stock units granted on 5/1/2016.

Read SEC document
March 19, 2018 Filed Mar 20, 2018 15:46 UTC
Ahmad FuadSVP, Chief Financial Officer
SaleCommon Stock 961 $4.16 $3,997.76
Disclosure

SEC source: 0001209191-18-020802 · doc4.xml · nonDerivative · entry 1

Ahmad Fuad · CIK 0001379591 · SVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 172,470

F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 26, 2017.

Read SEC document
March 01, 2018 Filed Mar 2, 2018 19:22 UTC
Ahmad FuadSVP, Chief Financial Officer
Tax withholdingCommon Stock 797 $3.81 $3,036.57
Disclosure

SEC source: 0001209191-18-015463 · doc4.xml · nonDerivative · entry 1

Ahmad Fuad · CIK 0001379591 · SVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 173,431

F1 · shares: Surrender of shares to satisfy employment tax withholding obligations upon vesting of restricted stock units granted on 3/2/2017.

Read SEC document
March 01, 2018 Filed Mar 2, 2018 19:38 UTC
HALL SHAWN DSenior VP, GC & Secretary
Tax withholdingCommon Stock 399 $3.81 $1,520.19
Disclosure

SEC source: 0001209191-18-015474 · doc4.xml · nonDerivative · entry 1

HALL SHAWN D · CIK 0001261887 · Senior VP, GC & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 134,747

F1 · shares: Surrender of shares to satisfy employment tax withholding obligations upon vesting of restricted stock units granted on 3/2/2017.

Read SEC document
February 05, 2018 Filed Feb 7, 2018 19:57 UTC
BRITTS WILLIAM CSVP, Worldwide Sales & Mktg.
OtherCommon Stock 625 $4.68 $2,921.88
Disclosure

SEC source: 0001209191-18-008084 · doc4.xml · nonDerivative · entry 1

BRITTS WILLIAM C · CIK 0001198540 · SVP, Worldwide Sales & Mktg.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 206,646

F1 · kind: Securities acquired in an exempt purchase under Company's Section 423 Employee Stock Purchase Plan.

Read SEC document
February 05, 2018 Filed Feb 7, 2018 20:04 UTC
Stedman Geoff G.SVP, Mktg. & Storage Solutions
OtherCommon Stock 625 $4.68 $2,921.88
Disclosure

SEC source: 0001209191-18-008091 · doc4.xml · nonDerivative · entry 1

Stedman Geoff G. · CIK 0001649889 · SVP, Mktg. & Storage Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,461

F1 · kind: Securities acquired in an exempt purchase under Company's Section 423 Employee Stock Purchase Plan.

Read SEC document
February 05, 2018 Filed Feb 7, 2018 19:41 UTC
Ahmad FuadSVP, Chief Financial Officer
OtherCommon Stock 625 $4.68 $2,921.88
Disclosure

SEC source: 0001209191-18-008078 · doc4.xml · nonDerivative · entry 1

Ahmad Fuad · CIK 0001379591 · SVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 174,228

F1 · kind: Securities acquired in an exempt purchase under Company's Section 423 Employee Stock Purchase Plan.

Read SEC document
February 01, 2018 Filed Feb 2, 2018 20:03 UTC
Dennis PatrickPresident and CEO
GrantStock Option (right to buy) · Derivative 250,000 $6.20 Strike: $6.20 $1,550,000.00
Disclosure

SEC source: 0001209191-18-006730 · doc4.xml · derivative · entry 2

Dennis Patrick · CIK 0001640807 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 250,000

Underlying: Common Stock · 250,000 shares

Expires 2025-02-01

F2 · derivative.exercise_date: Stock options will vest in equal installments on 02/01/2019, 02/01/2020, 02/01/2021 and 02/01/2022.

Read SEC document
February 01, 2018 Filed Feb 2, 2018 20:03 UTC
Dennis PatrickPresident and CEO
GrantCommon Stock 125,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-006730 · doc4.xml · nonDerivative · entry 1

Dennis Patrick · CIK 0001640807 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 125,000

F1 · shares: Restricted stock units will vest in equal installments on 02/01/2019, 02/01/2020, and 02/01/2021.

Read SEC document
February 01, 2018 Filed Feb 2, 2018 19:57 UTC GrantCommon Stock 20,645 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-006716 · doc4.xml · nonDerivative · entry 1

SANCHEZ ADALIO T · CIK 0001641407 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 115,293

F1 · shares: Restricted stock units will fully vest on November 30, 2018, upon the conditions and except as otherwise provided in Mr. Sanchez's offer letter dated November 7, 2017.

Read SEC document
January 01, 2018 Filed Jan 3, 2018 02:24 UTC
SANCHEZ ADALIO TDirector · Interim CEO
GrantCommon Stock 40,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-000415 · doc4.xml · nonDerivative · entry 1

SANCHEZ ADALIO T · CIK 0001641407 · Director · Interim CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 94,648

F1 · shares: Restricted stock units will fully vest on November 30, 2018, upon the conditions and except as otherwise provided in Mr. Sanchez's offer letter dated November 7, 2017.

Read SEC document
December 01, 2017 Filed Dec 4, 2017 21:36 UTC
SANCHEZ ADALIO TDirector · Interim CEO
GrantCommon Stock 32,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-17-063572 · doc4.xml · nonDerivative · entry 1

SANCHEZ ADALIO T · CIK 0001641407 · Director · Interim CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,648

F1 · shares: Restricted stock units will fully vest on November 30, 2018, upon the conditions and except as otherwise provided in Mr. Sanchez's offer letter dated November 7, 2017.

Read SEC document
December 01, 2017 Filed Dec 4, 2017 21:18 UTC
Singer EricDirector · 10% owner
VIEX GP, LLC10% owner
GrantCommon Stock 16,681 $0.00 $0.00
Disclosure

SEC source: 0001209191-17-063533 · doc4.xml · nonDerivative · entry 1

Singer Eric · CIK 0001443284 · Director · 10% owner

VIEX Opportunities Fund, LP Series One · CIK 0001606750 · 10% owner

VIEX Opportunities Fund, LP Series Two · CIK 0001659404 · 10% owner

VIEX Special Opportunities Fund III, LP · CIK 0001619126 · 10% owner

VIEX Special Opportunities GP III, LLC · CIK 0001676049 · 10% owner

VIEX GP, LLC · CIK 0001654852 · 10% owner

VIEX Capital Advisors, LLC · CIK 0001619125 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,681

F1 · security: This Form 4 is filed jointly by VIEX Opportunities Fund, LP - Series One ("Series One"), a series of VIEX Opportunities Fund, LP ("VIEX Opportunities"), a series limited partnership, VIEX Opportunities Fund, LP - Series Two ("Series Two"), a series of VIEX Opportunities, VIEX Special Opportunities Fund III, LP ("VSO III"), VIEX GP, LLC ("VIEX GP"), VIEX Special Opportunities GP III, LLC ("VSO GP III"), VIEX Capital Advisors, LLC ("VIEX Capital"), and Eric Singer (collectively, the "Reporting Persons").

F2 · security: The Reporting Persons are filing this report because each of the Reporting Persons is a member of a Section 13(d) group, disclosed in a Schedule 13D filed on behalf of the Reporting Persons, as it may be amended, which beneficially owns in the aggregate more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

F3 · shares: Restricted stock units will fully vest on the earlier to occur of: i) the date of Quantum Corporation's next Annual Stockholder Meeting; and ii) September 1, 2018.

F4 · balance_after: Reflects a 1-for-8 reverse stock split of the Issuer's common stock effected on April 18, 2017.

F5 · balance_after: Mr. Singer, as the managing member of VIEX GP and VIEX Capital, may be deemed the beneficial owner of the (i) 925,983 Shares owned by Series One, (ii) 176,648 Shares owned by Series Two and (iii) 2,588,833 owned by VSO III.

Read SEC document
December 01, 2017 Filed Dec 4, 2017 21:21 UTC
Ahmad FuadSVP, Chief Financial Officer
GrantCommon Stock 20,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-17-063544 · doc4.xml · nonDerivative · entry 1

Ahmad Fuad · CIK 0001379591 · SVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 173,603

F1 · shares: Restricted stock units will fully vest on 12/01/2018.

Read SEC document
October 02, 2017 Filed Oct 2, 2017 23:27 UTC
GACEK JON WPresident and CEO
SaleCommon Stock 5,793 $6.19 $35,882.42
Disclosure

SEC source: 0001209191-17-054766 · doc4.xml · nonDerivative · entry 1

GACEK JON W · CIK 0001188975 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 407,207

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 25, 2017.

F2 · shares: Fractional share number (due to reverse stock split) was rounded up.

F3 · price: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $6.12 to $6.2 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price.

F4 · balance_after: The number of shares have been adjusted for the effect of the 1-for-8 reverse stock split effective April 18, 2017.

Read SEC document
September 01, 2017 Filed Sep 5, 2017 20:56 UTC GrantCommon Stock 7,404 $0.00 $0.00
Disclosure

SEC source: 0001209191-17-051386 · doc4.xml · nonDerivative · entry 1

SANCHEZ ADALIO T · CIK 0001641407 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,648

F1 · shares: Restricted Stock Units will fully vest on the earlier to occur of: i) the date of Quantum Corporation's next Annual Stockholder Meeting; and ii) September 1, 2018.

Read SEC document
September 01, 2017 Filed Sep 5, 2017 20:54 UTC GrantCommon Stock 7,404 $0.00 $0.00
Disclosure

SEC source: 0001209191-17-051377 · doc4.xml · nonDerivative · entry 1

Rothman Marc E · CIK 0001402025 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,648

F1 · shares: Restricted Stock Units will fully vest on the earlier to occur of: i) the date of Quantum Corporation's next Annual Stockholder Meeting; and ii) September 1, 2018.

Read SEC document
September 01, 2017 Filed Sep 5, 2017 20:52 UTC GrantCommon Stock 22,482 $0.00 $0.00
Disclosure

SEC source: 0001209191-17-051371 · doc4.xml · nonDerivative · entry 1

Press Clifford · CIK 0001345478 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,107

F1 · shares: Restricted Stock Units will fully vest on the earlier to occur of: i) the date of Quantum Corporation's next Annual Stockholder Meeting; and ii) September 1, 2018.

F2 · balance_after: The number of shares have been adjusted for the effect of the 1-for-8 reverse stock split effective April 18, 2017.

Read SEC document
September 01, 2017 Filed Sep 5, 2017 20:49 UTC
Pinchev AlexDirector
GrantCommon Stock 5,621 $0.00 $0.00
Disclosure

SEC source: 0001209191-17-051366 · doc4.xml · nonDerivative · entry 1

Pinchev Alex · CIK 0001227963 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,344

F1 · shares: Restricted Stock Units will fully vest on the earlier to occur of: i) the date of Quantum Corporation's next Annual Stockholder Meeting; and ii) September 1, 2018.

Read SEC document
September 01, 2017 Filed Sep 5, 2017 20:46 UTC GrantCommon Stock 22,482 $0.00 $0.00
Disclosure

SEC source: 0001209191-17-051363 · doc4.xml · nonDerivative · entry 1

Auvil Paul R. III · CIK 0001410972 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 101,735

F1 · shares: Restricted Stock Units will fully vest on the earlier to occur of: i) the date of Quantum Corporation's next Annual Stockholder Meeting; and ii) September 1, 2018.

F2 · balance_after: The number of shares have been adjusted for the effect of the 1-for-8 reverse stock split effective April 18, 2017.

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September 01, 2017 Filed Sep 5, 2017 20:43 UTC
RAU RAGHAVENDRADirector · Executive Chairman
GrantCommon Stock 80,935 $0.00 $0.00
Disclosure

SEC source: 0001209191-17-051359 · doc4.xml · nonDerivative · entry 1

RAU RAGHAVENDRA · CIK 0001492898 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 87,185

F1 · shares: Restricted Stock Units will fully vest on September 1, 2018 except as otherwise provided in Mr. Rau's offer letter.

F2 · balance_after: The number of shares have been adjusted for the effect of the 1-for-8 reverse stock split effective April 18, 2017.

Read SEC document
September 01, 2017 Filed Sep 5, 2017 20:40 UTC
GACEK JON WPresident and CEO
SaleCommon Stock 12,254 $5.50 $67,393.32
Disclosure

SEC source: 0001209191-17-051349 · doc4.xml · nonDerivative · entry 1

GACEK JON W · CIK 0001188975 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 401,414

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 25, 2017.

F2 · price: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $5.40 to $5.535 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price.

F3 · balance_after: The number of shares have been adjusted for the effect of the 1-for-8 reverse stock split effective April 18, 2017.

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August 04, 2017 Filed Aug 7, 2017 20:18 UTC
Stedman Geoff G.SVP, Mktg. & Storage Solutions
OtherCommon Stock 625 $6.14 $3,837.75
Disclosure

SEC source: 0001209191-17-047882 · doc4.xml · nonDerivative · entry 1

Stedman Geoff G. · CIK 0001649889 · SVP, Mktg. & Storage Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 99,836

F1 · kind: Securities acquired in an exempt purchase under Company's Section 423 Employee Stock Purchase Plan.

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August 04, 2017 Filed Aug 7, 2017 20:14 UTC
BRITTS WILLIAM CSVP, Worldwide Sales & Mktg.
OtherCommon Stock 625 $6.14 $3,837.75
Disclosure

SEC source: 0001209191-17-047877 · doc4.xml · nonDerivative · entry 1

BRITTS WILLIAM C · CIK 0001198540 · SVP, Worldwide Sales & Mktg.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 206,021

F1 · kind: Securities acquired in an exempt purchase under Company's Section 423 Employee Stock Purchase Plan.

Read SEC document
August 04, 2017 Filed Aug 7, 2017 20:07 UTC
Martella Donald E. Jr.SVP, Engineering
OtherCommon Stock 625 $6.14 $3,837.75
Disclosure

SEC source: 0001209191-17-047872 · doc4.xml · nonDerivative · entry 1

Martella Donald E. Jr. · CIK 0001649891 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 120,627

F1 · kind: Securities acquired in an exempt purchase under Company's Section 423 Employee Stock Purchase Plan.

Read SEC document
July 17, 2017 Filed Jul 18, 2017 20:03 UTC
Ahmad FuadSVP, Chief Financial Officer
SaleCommon Stock 17,000 $8.46 $143,820.00
Disclosure

SEC source: 0001209191-17-045501 · doc4.xml · nonDerivative · entry 1

Ahmad Fuad · CIK 0001379591 · SVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 153,603

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 26, 2017.

F2 · price: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $8.32 to $8.50 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price.

Read SEC document
July 10, 2017 Filed Jul 11, 2017 20:56 UTC
Clark Robert S.SVP, Product Operations
SaleCommon Stock 61,912 $8.16 $505,201.92
Disclosure

SEC source: 0001209191-17-044790 · doc4.xml · nonDerivative · entry 1

Clark Robert S. · CIK 0001517455 · SVP, Product Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,703

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 2, 2017.

F2 · price: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $8.02 to $8.255 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price.

Read SEC document
July 03, 2017 Filed Jul 5, 2017 18:23 UTC
HALL SHAWN DSenior VP, GC & Secretary
SaleCommon Stock 10,000 $7.82 $78,200.00
Disclosure

SEC source: 0001209191-17-043076 · doc4.xml · nonDerivative · entry 3

HALL SHAWN D · CIK 0001261887 · Senior VP, GC & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 135,146

F3 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2017.

F4 · price: The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $7.68 to $7.885 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price.

Read SEC document
July 01, 2017 Filed Jul 5, 2017 18:30 UTC
Stedman Geoff G.SVP, Mktg. & Storage Solutions
Tax withholdingCommon Stock 8,309 $7.81 $64,893.29
Disclosure

SEC source: 0001209191-17-043088 · doc4.xml · nonDerivative · entry 2

Stedman Geoff G. · CIK 0001649889 · SVP, Mktg. & Storage Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 99,211

F2 · shares: Surrender of shares to satisfy income and other employment related tax withholding obligations upon vesting of restricted stock units granted on 7/1/2015 and 7/1/2016 and upon vesting of performance stock units granted on 7/1/2014 and 7/1/2016.

Read SEC document
July 01, 2017 Filed Jul 5, 2017 18:30 UTC
Stedman Geoff G.SVP, Mktg. & Storage Solutions
GrantCommon Stock 10,500 $0.00 $0.00
Disclosure

SEC source: 0001209191-17-043088 · doc4.xml · nonDerivative · entry 1

Stedman Geoff G. · CIK 0001649889 · SVP, Mktg. & Storage Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 107,520

F1 · shares: Restricted stock units will vest in equal installments on 07/01/2018, 07/01/2019, and 07/01/2020.

Read SEC document
July 01, 2017 Filed Jul 5, 2017 18:27 UTC
Martella Donald E. Jr.SVP, Engineering
Tax withholdingCommon Stock 7,886 $7.81 $61,589.66
Disclosure

SEC source: 0001209191-17-043082 · doc4.xml · nonDerivative · entry 2

Martella Donald E. Jr. · CIK 0001649891 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 120,002

F2 · shares: Surrender of shares to satisfy income and other employment related tax withholding obligations upon vesting of restricted stock units granted on 7/1/2014, 7/1/2015 and 7/1/2016 and upon vesting of performance stock units granted on 7/1/2014 and 7/1/2016.

Read SEC document
July 01, 2017 Filed Jul 5, 2017 18:27 UTC
Martella Donald E. Jr.SVP, Engineering
GrantCommon Stock 20,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-17-043082 · doc4.xml · nonDerivative · entry 1

Martella Donald E. Jr. · CIK 0001649891 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 127,888

F1 · shares: Restricted stock units will vest in equal installments on 07/01/2018, 07/01/2019, and 07/01/2020.

Read SEC document
July 01, 2017 Filed Jul 5, 2017 18:23 UTC
HALL SHAWN DSenior VP, GC & Secretary
Tax withholdingCommon Stock 13,198 $7.81 $103,076.38
Disclosure

SEC source: 0001209191-17-043076 · doc4.xml · nonDerivative · entry 2

HALL SHAWN D · CIK 0001261887 · Senior VP, GC & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 145,146

F2 · shares: Surrender of shares to satisfy income and other employment related tax withholding obligations upon vesting of restricted stock units granted on 7/1/2014, 7/1/2015 and 7/1/2016 and upon vesting of performance stock units granted on 7/1/2014 and 7/1/2016.

Read SEC document
July 01, 2017 Filed Jul 5, 2017 18:23 UTC
HALL SHAWN DSenior VP, GC & Secretary
GrantCommon Stock 20,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-17-043076 · doc4.xml · nonDerivative · entry 1

HALL SHAWN D · CIK 0001261887 · Senior VP, GC & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 158,344

F1 · shares: Restricted stock units will vest in equal installments on 07/01/2018, 07/01/2019, and 07/01/2020.

Read SEC document
July 01, 2017 Filed Jul 5, 2017 18:17 UTC
GACEK JON WPresident and CEO
Tax withholdingCommon Stock 36,985 $7.81 $288,852.85
Disclosure

SEC source: 0001209191-17-043073 · doc4.xml · nonDerivative · entry 2

GACEK JON W · CIK 0001188975 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 413,668

F2 · shares: Surrender of shares to satisfy income and other employment related tax withholding obligations upon vesting of restricted stock units granted on 7/1/2014, 7/1/2015 and 7/1/2016 and upon vesting of performance stock units granted on 7/1/2014 and 7/1/2016.

Read SEC document
July 01, 2017 Filed Jul 5, 2017 18:17 UTC
GACEK JON WPresident and CEO
GrantCommon Stock 51,975 $0.00 $0.00
Disclosure

SEC source: 0001209191-17-043073 · doc4.xml · nonDerivative · entry 1

GACEK JON W · CIK 0001188975 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 450,653

F1 · shares: Restricted stock units will vest in equal installments on 07/01/2018, 07/01/2019, and 07/01/2020.

Read SEC document
July 01, 2017 Filed Jul 5, 2017 18:12 UTC
Clark Robert S.SVP, Product Operations
Tax withholdingCommon Stock 12,966 $7.81 $101,264.46
Disclosure

SEC source: 0001209191-17-043069 · doc4.xml · nonDerivative · entry 2

Clark Robert S. · CIK 0001517455 · SVP, Product Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 136,615

F2 · shares: Surrender of shares to satisfy income and other employment related tax withholding obligations upon vesting of restricted stock units granted on 7/1/2014, 7/1/2015 and 7/1/2016 and upon vesting of performance stock units granted on 7/1/2014 and 7/1/2016.

Read SEC document
July 01, 2017 Filed Jul 5, 2017 18:12 UTC
Clark Robert S.SVP, Product Operations
GrantCommon Stock 20,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-17-043069 · doc4.xml · nonDerivative · entry 1

Clark Robert S. · CIK 0001517455 · SVP, Product Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 149,581

F1 · shares: Restricted stock units will vest in equal installments on 07/01/2018, 07/01/2019, and 07/01/2020.

Read SEC document
July 01, 2017 Filed Jul 5, 2017 18:04 UTC
BRITTS WILLIAM CSVP, Worldwide Sales & Mktg.
Tax withholdingCommon Stock 11,859 $7.81 $92,618.79
Disclosure

SEC source: 0001209191-17-043066 · doc4.xml · nonDerivative · entry 2

BRITTS WILLIAM C · CIK 0001198540 · SVP, Worldwide Sales & Mktg.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 205,396

F2 · shares: Surrender of shares to satisfy income and other employment related tax withholding obligations upon vesting of restricted stock units granted on 7/1/2014, 7/1/2015 and 7/1/2016 and upon vesting of performance stock units granted on 7/1/2014 and 7/1/2016.

Read SEC document
July 01, 2017 Filed Jul 5, 2017 18:04 UTC
BRITTS WILLIAM CSVP, Worldwide Sales & Mktg.
GrantCommon Stock 25,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-17-043066 · doc4.xml · nonDerivative · entry 1

BRITTS WILLIAM C · CIK 0001198540 · SVP, Worldwide Sales & Mktg.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 217,255

F1 · shares: Restricted stock units will vest in equal installments on 07/01/2018, 07/01/2019, and 07/01/2020.

Read SEC document
July 01, 2017 Filed Jul 5, 2017 17:56 UTC
Ahmad FuadSVP, Chief Financial Officer
Tax withholdingCommon Stock 4,336 $7.81 $33,864.16
Disclosure

SEC source: 0001209191-17-043059 · doc4.xml · nonDerivative · entry 2

Ahmad Fuad · CIK 0001379591 · SVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 170,603

F2 · shares: Surrender of shares to satisfy income and other employment related tax withholding obligations upon vesting of performance stock units granted on 7/1/2016.

Read SEC document
July 01, 2017 Filed Jul 5, 2017 17:56 UTC
Ahmad FuadSVP, Chief Financial Officer
GrantCommon Stock 25,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-17-043059 · doc4.xml · nonDerivative · entry 1

Ahmad Fuad · CIK 0001379591 · SVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 174,939

F1 · shares: Restricted stock units will vest in equal installments on 07/01/2018, 07/01/2019, and 07/01/2020.

Read SEC document
May 31, 2017 Filed Jun 1, 2017 17:16 UTC
Stedman Geoff G.SVP, Mktg. & Storage Solutions
GrantCommon Stock 22,435 $0.00 $0.00
Disclosure

SEC source: 0001209191-17-036688 · doc4.xml · nonDerivative · entry 1

Stedman Geoff G. · CIK 0001649889 · SVP, Mktg. & Storage Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 97,020

F1 · shares: Performance stock units will vest in equal installments on 7/1/17, 7/1/18 and 7/1/19.

Read SEC document
May 31, 2017 Filed Jun 1, 2017 17:13 UTC
Martella Donald E. Jr.SVP, Engineering
GrantCommon Stock 17,628 $0.00 $0.00
Disclosure

SEC source: 0001209191-17-036685 · doc4.xml · nonDerivative · entry 1

Martella Donald E. Jr. · CIK 0001649891 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 107,888

F1 · shares: Performance stock units will vest in equal installments on 7/1/17, 7/1/18 and 7/1/19.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.