Significant Ownership of Mark N. Tompkins

Large-stake filing summary: Recent SEC Schedule 13D/G filings for Mark N. Tompkins focus on large-stake beneficial ownership disclosures and amendments.
Use this view to spot new large holders, amended positions, and activist-style ownership evidence.
Manager location: Lugano Paradiso

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Broader feeds

Sym	Company	Class	Ownership	Holdings Value	Net Change	Nb Shares	Change %	Reporting Name	Report Period
	Primus Acquisition Inc.	Common Stock, par value $0.0001 per share	75%			7,500,000		Mark N. Tompkins	31 Dec 2025
	Deep Fission, Inc.	Common Stock, par value $0.0001 per share	5.6%			3,158,333	+6.8%	Mark N.Tompkins	31 Mar 2026
	Deep Isolation Nuclear, Inc.	Common Stock, par value $0.0001 per share	5.5%			3,150,000		Mark N. Tompkins	31 Mar 2026
ALMU	Aeluma, Inc.	Common Stock, par value $0.0001 per share	4.8%	$13,584,750	-$17,498,816	885,000	-56%	Mark N. Tompkins	31 Mar 2026
PMNT	Perfect Moment Ltd.	Common Stock, par value $0.0001 per share	4.1%	$646,180		652,707		Mark N. Tompkins	31 Dec 2024
	Lomond Therapeutics Holdings, Inc.	Common Stock, par value $0.0001 per share	4%			1,187,500		Mark N. Tompkins	31 Dec 2024

Sym	Target	Class	Ownership	Change	Current shares	Change	Value	Reporting name	Form	Report period	Filing date

Schedule rows are parsed from SEC 13D/G filings. Open the linked filing or target page to verify the reported ownership and shares.