Company · CIK 0000709283 · SIC 3572 — Computer Storage Devices · Nasdaq
QUANTUM CORP /DE/ · QMCO
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jan 22, 2016 SForm 4 → | Jan 26, 8:28 pm EST | Jeffrey C Smith +210% Owner | 5,000,000 | $0.7101 | $3,550,400 | 4,129,023 | −54.8% | plan? |
| Jan 22, 2016 SForm 4 → | Jan 26, 8:26 pm EST | Starboard Value LP +810% Owner | 5,000,000 | $0.7101 | $3,550,400 | 4,129,023 | −54.8% | plan? |
| Nov 19, 2015 PForm 4 → | Nov 20, 1:32 pm EST | Geoff G. StedmanSVP, StorNext Solutions | 10,000 | $0.8519 | $8,519 | 406,590 | +2.52% | plan? |
| Nov 17, 2015 PForm 4 → | Nov 18, 9:55 am EST | William C BrittsSVP, Worldwide Sales & Mktg. | 40,000 | $0.8464 | $33,856 | 1,204,775 | +3.43% | plan? |
| Nov 5, 2015 PForm 4 → | Nov 6, 9:47 am EST | Paul R. Auvil IIIDirector | 20,000 | $1.03 | $20,656 | 554,030 | +3.75% | plan? |
| Nov 4, 2015 PForm 4 → | Nov 5, 2:33 pm EST | Dale L FullerDirector | 10,000 | $0.94 | $9,400 | 233,890 | +4.47% | plan? |
| Nov 4, 2015 PForm 4 → | Nov 4, 3:53 pm EST | Gregg J PowersDirector | 50,000 | $0.9272 | $46,360 | 586,500 | +9.32% | plan? |
| Nov 3, 2015 PForm 4 → | Nov 3, 3:03 pm EST | Jon W GacekPresident and CEO | 45,000 | $0.90 | $40,500 | 2,661,407 | +1.72% | plan? |
| Sep 1, 2015 AForm 4 → | Sep 3, 1:33 pm EDT | Louis DinardoDirector | 90,090 | — | — | 315,392 | — | plan? |
| Sep 1, 2015 AForm 4 → | Sep 2, 4:42 pm EDT | David Earle RobersonDirector | 90,090 | — | — | 351,784 | — | plan? |
| Sep 1, 2015 AForm 4 → | Sep 2, 4:41 pm EDT | Gregg J PowersDirector | 90,090 | — | — | 265,392 | — | plan? |
| Sep 1, 2015 AForm 4 → | Sep 2, 4:40 pm EDT | David KrallDirector | 90,090 | — | — | 364,875 | — | plan? |
| Sep 1, 2015 AForm 4 → | Sep 2, 4:39 pm EDT | Dale L FullerDirector | 90,090 | — | — | 223,890 | — | plan? |
| Sep 1, 2015 AForm 4 → | Sep 2, 4:38 pm EDT | Philip BlackDirector | 90,090 | — | — | 265,392 | — | plan? |
| Sep 1, 2015 AForm 4 → | Sep 2, 4:37 pm EDT | Paul R. Auvil IIIDirector | 90,090 | — | — | 534,030 | — | plan? |
| Sep 1, 2015 AForm 4 → | Sep 2, 4:36 pm EDT | Robert J AndersenDirector | 22,523 | — | — | 87,290 | — | plan? |
| Aug 5, 2015 JForm 4 → | Aug 6, 4:03 pm EDT | Geoff G. StedmanSVP, StorNext Solutions | 5,000 | $0.9775 | $4,888 | 396,590 | — | plan? |
| Aug 5, 2015 JForm 4 → | Aug 6, 4:02 pm EDT | William C BrittsSVP, Worldwide Sales & Mktg. | 5,000 | $0.9775 | $4,888 | 1,164,775 | — | plan? |
| Aug 5, 2015 JForm 4 → | Aug 6, 4:00 pm EDT | Donald E. Martella Jr.SVP, Engineering | 5,000 | $0.9775 | $4,888 | 564,599 | — | plan? |
| Aug 5, 2015 PForm 4 → | Aug 6, 3:21 pm EDT | Dale L FullerDirector | 18,181 | $1.10 | $19,999 | 133,800 | +15.7% | plan? |
| Jul 1, 2015 AFForm 4 → | Jul 2, 6:51 pm EDT | Janae S. LeeSVP, Strategy | 153,331 | $1.69 | $122,915 | 525,520 | — | plan? |
| Jul 1, 2015 AFForm 4 → | Jul 2, 6:51 pm EDT | Shawn D HallSenior VP, GC & Secretary | 257,508 | $1.69 | $179,999 | 755,270 | — | plan? |
| Jul 1, 2015 AFForm 4 → | Jul 2, 6:50 pm EDT | Jon W GacekPresident and CEO | 902,359 | $1.69 | $385,082 | 2,616,407 | — | plan? |
| Jul 1, 2015 AFForm 4 → | Jul 2, 6:49 pm EDT | Robert S. ClarkSVP, Product Operations | 312,521 | $1.69 | $171,570 | 805,964 | — | plan? |
| Jul 1, 2015 AFForm 4 → | Jul 2, 6:49 pm EDT | William C BrittsSVP, Worldwide Sales & Mktg. | 297,417 | $1.69 | $146,045 | 1,159,775 | — | plan? |
| Jul 1, 2015 AFForm 4 → | Jul 2, 6:48 pm EDT | Linda M. BreardChief Financial Officer | 223,414 | $1.69 | $139,618 | 916,761 | — | plan? |
| Jun 1, 2015 AForm 4 → | Jun 5, 8:26 pm EDT | Robert J AndersenDirector | 64,767 | — | — | 64,767 | — | plan? late |
| Feb 5, 2015 JForm 4 → | Feb 6, 2:52 pm EST | William C BrittsSVP, Worldwide Sales & Mktg. | 5,000 | $1.06 | $5,313 | 1,035,192 | — | plan? |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 1, 2026 CJForm 4 → | Jun 8, 9:54 pm EDT | John FichthornDirector, 10% Owner | 57,347,139 | — | — | 0 | — | late |
| Jun 1, 2026 CJForm 4 → | Jun 8, 9:21 pm EDT | Dialectic Technology SPV LLC10% Owner | 105,911 | — | — | 0 | — | late |
| Feb 1, 2018 AForm 4 → | Feb 2, 3:03 pm EST | Patrick DennisPresident and CEO | 250,000 | $6.20 | $1,550,000 | 250,000 | — | |
| Oct 9, 2015 PForm 4 → | Oct 13, 9:48 pm EDT | Jeffrey C Smith +210% Owner | — | — | — | — | — | |
| Oct 9, 2015 PForm 4 → | Oct 13, 9:47 pm EDT | Starboard Value LP +810% Owner | — | — | — | — | — | |
| Jan 28, 2015 SForm 4 → | Jan 30, 5:30 pm EST | SOROS FUND MANAGEMENT LLC +210% Owner | — | — | — | — | — |