Market Manipulation. Search

Schedule 13D

Schedule 13D discloses beneficial ownership above five per cent of a class of registered equity, along with the holder's intentions. Concealed control blocks are usually concealed by not filing it.

compliance and practice · updated 2026-09-08

Where does schedule 13d come up?

This term is used in the following manipulation techniques, each explained in full on its own page.

Enforcement actions involving these techniques

Action Agency Filed Technique Penalty Status
SEC v. Airborne Wireless Network and others (pump and dump, 2025) SEC 2025-02-07 Pump And Dump , Undisclosed Control Blocks judgment
SEC v. Adage Capital Management, L.P. (undisclosed control blocks, 2024) SEC 2024-09-25 Undisclosed Control Blocks settled
SEC v. Alphabet Inc. (undisclosed control blocks, 2024) SEC 2024-09-25 Undisclosed Control Blocks settled
SEC v. David L. Kanen (undisclosed control blocks, 2024) SEC 2024-09-25 Undisclosed Control Blocks settled
SEC v. Essex Woodlands Management, Inc. (undisclosed control blocks, 2024) SEC 2024-09-25 Undisclosed Control Blocks settled

See also

Terms that refer here

Section 16 reporting

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