Arkolith/Insider Trading/QMCO/Form 4

Fichthorn John

Name: Arkolith
Brand: Arkolith

Director, 10% OwnerQUANTUM CORP /DE/ (QMCO) · full profile →Form 4 · filed Jun 9, 2026

No Open-Market Flow

Open-Market Buys

Open-Market Sells

Net Open-Market Flow

Transactions

2 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

Date	Action	Shares	Price	Value	Owned After
Jun 4, 2026	Conversion(C)	11.0M	$5.19	$57.2M	11.0M
Jun 4, 2026	Grant(A)	3.1M	$5.19	$16.0M	14.1M

Derivative Transactions (Table II)

Date	Action	Shares	Price	Value	Owned After
Jun 4, 2026	Conversion(C)	57.2M	—	—	0
Jun 1, 2026	Other(J)	106K	—	—	106K

Transaction Codes

C: Conversion of a derivative
A: Grant / award
J: Other acquisition / disposition

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001628280-26-041759) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.gov Raw Form 4 XML