Schedule 13D

New activist stakes

First Schedule 13D filings: an investor holding more than 5% who may seek to influence the company.

Last 30 days 9

Date	Company	Filing	What happened	Links
Nov 3, 2026	Penguin Solutions PENG	SCHEDULE 13D	SK hynix Inc. reports a 9.1% stake	SCHEDULE 13D on EDGAR Filing index
Nov 2, 2026	Vertical Data VDTA	SCHEDULE 13D	Soni Deven reports a 18.7% stake	SCHEDULE 13D on EDGAR Filing index
Nov 2, 2026	MaxCyte MXCT	SCHEDULE 13D	Liontrust Investment Partners LLP reports a 4.9% stake	SCHEDULE 13D on EDGAR Filing index
Nov 2, 2026	Seer SEER	SCHEDULE 13D	BML Investment Partners, L.P. reports a 3.9% stake	SCHEDULE 13D on EDGAR Filing index
Nov 2, 2026	Dine Brands Global DIN	SCHEDULE 13D	Arkhouse Management Co. LP reports a 4.3% stake	SCHEDULE 13D on EDGAR Filing index
Nov 2, 2026	Hamilton Lane Venture Capital & Growth Fund	SCHEDULE 13D	Hamilton Lane Advisors, L.L.C. reports a 17.6% stake	SCHEDULE 13D on EDGAR Filing index
Nov 2, 2026	Dine Brands Global DIN	SCHEDULE 13D	Cobblers Cove Capital LP reports a 0% stake	SCHEDULE 13D on EDGAR Filing index
Nov 2, 2026	MSG Rangers MSGR	SCHEDULE 13D	James L. Dolan reports a 8.1% stake	SCHEDULE 13D on EDGAR Filing index
Nov 2, 2026	Narragansett Bancorp NARA	SCHEDULE 13D	Narragansett Financial Corporation reports a 55% stake	SCHEDULE 13D on EDGAR Filing index

Data through Nov 3, 2026.

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