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Dinsdale Mike John — Powerlaw Corp. insider: 3 transactions · InsiderLens

Home / Insiders / Dinsdale Mike John

Dinsdale Mike John

Director at APTIMUS INC · on record since Jan 16, 2024
Director at Powerlaw Corp. · on record since May 21, 2026
Director at Plum Acquisition Corp. I · on record since Mar 15, 2021
See Remarks at Plum Acquisition Corp. I · on record since Mar 15, 2021
10% owner at Plum Acquisition Corp. I · on record since Mar 15, 2021
Chief Executive Officer at Powerlaw Corp. · on record since Sep 30, 2025

Insider trading activity of Dinsdale Mike John

Transactions on record: 3; since May 3, 2021

Open-market buys: 2

Open-market sells: 0

Companies traded: 2; last filing Jun 23, 2026

Figures computed from official regulatory filings — methodology.

Companies where Dinsdale Mike John has traded

Powerlaw Corp.2 tx · Jun 23, 2026
Plum Acquisition Corp. I1 tx · May 3, 2021

Track record of Dinsdale Mike John

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of Dinsdale Mike John

Co-insiders of Dinsdale Mike John

BLACK ALAN JAPTIMUS INC +1
MACDONALD VIVIANPlum Acquisition Corp. I +1
Roy KanishkaAPTIMUS INC +1
Akkadian CEF Manager LLCPowerlaw Corp.
Antunes Helder FragueiroPlum Acquisition Corp. I
BALOUSEK JOHN BAPTIMUS INC
BEJAN BOBAPTIMUS INC

This page republishes public regulatory disclosures. Concerned by this data? Exercise your right to object →

Bess LanePlum Acquisition Corp. I

Black Benjamin DavidPowerlaw Corp.

BURNS URSULA MPlum Acquisition Corp. I

Ceran JenniferPlum Acquisition Corp. I

CHOATE TIMOTHY CAPTIMUS INC

Cohen Gary A.Plum Acquisition Corp. I

DAVIS DAVID HAPTIMUS INC

Earl NicholasPowerlaw Corp.

HELGELAND ERICAPTIMUS INC

Hogan TracyPowerlaw Corp.

HOUTKIN HARVEYAPTIMUS INC

Leckie LarsPowerlaw Corp.

Maine Douglas LPlum Acquisition Corp. I

MARXE AUSTIN W & GREENHOUSE DAVID MAPTIMUS INC

Mercury Capital, LLCAPTIMUS INC

Murria VinodkaPlum Acquisition Corp. I

Nelson Lance JAPTIMUS INC

NLabs Inc.Plum Acquisition Corp. I

Plum Partners, LLCPlum Acquisition Corp. I

Sable David M.APTIMUS INC

Salmasi AllenPlum Acquisition Corp. I

Salmasi MichaelPlum Acquisition Corp. I

Sama AlokPlum Acquisition Corp. I

SMITH JANICE K.Plum Acquisition Corp. I

Smith Peter T.Powerlaw Corp.

Stanley AngelaPowerlaw Corp.

Stephenson RandalPlum Acquisition Corp. I

Tubinis MarkPlum Acquisition Corp. I

TURNER BRIAN KEVINPlum Acquisition Corp. I

WADE JOHN AAPTIMUS INC

Whitehead ClayPlum Acquisition Corp. I

Wright KellyPlum Acquisition Corp. I

WRUBEL ROBERT WAPTIMUS INC

Company	Filed	Type	Qty	Price	Value · USD	Src
Powerlaw Corp.	Jun 23, 2026	Buy	12,727	15.47 USD	—	SEC
Powerlaw Corp.	Jun 23, 2026	Buy	2,941	16.86 USD	—	SEC
Plum Acquisition Corp. I	May 3, 2021	OtherD	-644,591	—	—	SEC