13D/G large-stake feed
Since 07 Oct 2026. Review filer CIK, subject security, ownership %, and SEC evidence first.
Recent 13D/G signals
Start with holder, issuer/security, stake size, and SEC evidence.
Check whether this is a new stake, an amended position, or a material ownership change before moving to the issuer page.
Check whether this is a new stake, an amended position, or a material ownership change before moving to the issuer page.
Check whether this is a new stake, an amended position, or a material ownership change before moving to the issuer page.
Check whether this is a new stake, an amended position, or a material ownership change before moving to the issuer page.
Check whether this is a new stake, an amended position, or a material ownership change before moving to the issuer page.
Check whether this is a new stake, an amended position, or a material ownership change before moving to the issuer page.
Schedule 13D/G ownership events
Stake size, change direction, reporting filer, issuer, active/passive form type, and SEC evidence.
Visible reports
6
Fresh large-stake filings promoted above the legacy table.
13D/13G mix
2/4
Active-intent candidates versus passive large-stake disclosures.
Largest visible stake
81%
Highest class ownership surfaced in the preview cards.
Newest evidence
08 Oct 2026
Use recency before treating an old large-stake story as fresh.
Signal checks
active/control intent, item text, amendments
large passive holder disclosure
ownership percent and share change
issuer, filer history, insider activity, 13F context
SEC-verifiable Schedule 13D/G path
Open the Schedule 13D/G filing, then cross-check insider and Form 13F evidence.
Zhang Rui Katherine filed Schedule 13D/A for AGM Group Holdings Inc. (AGMH). Reported class ownership: 81%. Open the SEC evidence before treating this as an activist or passive large-stake signal.
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Sagy Ami filed Schedule 13G for CollPlant Biotechnologies Ltd. (CLGN). Reported class ownership: 5.7%. Open the SEC evidence before treating this as an activist or passive large-stake signal.
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Sagy Ami filed Schedule 13D/A for CollPlant Biotechnologies Ltd. (CLGN). Reported class ownership: 5.7%. Open the SEC evidence before treating this as an activist or passive large-stake signal.
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Space Summit Capital LLC filed Schedule 13G for Pine Tree Acquisition Corp.. Reported class ownership: 8.5%. Open the SEC evidence before treating this as an activist or passive large-stake signal.
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ACORN BIOVENTURES, L.P. filed Schedule 13G/A for Karyopharm Therapeutics Inc. (KPTI). Reported class ownership: 4.5%. Ownership change: -1.2%. Share change: -20%. Open the SEC evidence before treating this as an activist or passive large-stake signal.
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GEODE CAPITAL MANAGEMENT, LLC filed Schedule 13G/A for Liberty Capital Corporation (GLIBA). Reported class ownership: 3.5%. Ownership change: -3.8%. Share change: -52%. Open the SEC evidence before treating this as an activist or passive large-stake signal.
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