SCHEDULE 13G Filed 2026-10-13 Event — SEC 0001649553-26-000115 →

CVI Investments, Inc. → Pine Tree Acquisition Corp. PAXGU

Stake: — Shares: — Class: Class A Ordinary Shares, $0.0001 par value per share

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

3 13D/G filings on this issuer

2 other filings besides this one

Filer Track Record

8 filings by this filer

7 other filings in the data moat

Short Interest

—

Not in latest FINRA snapshot

Other 13D/G Filings on Pine Tree Acquisition Corp.

Filed	Form	Filer	Stake	Shares
2026-10-13	SCHEDULE 13D	Pine Tree Sponsor Group, LLC	32.70%	5,063,571	view →
2026-10-09	SCHEDULE 13G	Feis Equities LLC	—	—	view →

Other Filings by CVI Investments, Inc.

Filed	Form	Issuer	Stake	Shares
2026-08-19	SCHEDULE 13G	Outlook Therapeutics, Inc.	—	—	view →
2026-07-20	SCHEDULE 13G	CalciMedica, Inc.	—	—	view →
2026-06-29	SCHEDULE 13G	Westport Fuel Systems Inc. WPRT	—	—	view →
2026-06-26	SCHEDULE 13G	CervoMed Inc. CRVO	—	—	view →
2026-05-22	SCHEDULE 13G	Elong Power Holding Limited ELPW	—	—	view →
2026-05-19	SCHEDULE 13G	High-Trend International Group HTCO	—	—	view →
2026-05-19	SCHEDULE 13G	Flag Ship Acquisition Corporation FSHPR	—	—	view →

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