Michael Stuart Klein

Insider Reports History

Identity Names, identifiers, and filing context for this profile. 1 identity field
Reporting-owner location
New York, NY
SEC source record Original filing metadata and source links for verification. 1 source field
Latest reporting-owner signature
/s/ Michael Stuart Klein
Source: Latest parsed Forms 3/4/5 signature
Source evidence Original filing metadata and source links for verification. 1 source field
Transaction source note
Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.

Reported holdings for Michael Stuart Klein

Form 4 holding Former Chief Executive Officer, President and Chairman of the Board of Directors of CCX., Director, 10%+ Owner

Churchill Capital Corp X/Cayman

Security class
Common Stock
Shares / value
10,650,000
Estimated value
$133,018,500
Report date
12 Feb 2026
Price
$12.49
Ownership
Indirect
Form 4 holding Director

Skillsoft Corp.

Security class
Restricted Stock Units
Shares / value
12,430
Estimated value
$214,025
Report date
17 Jul 2025
Price
$10.54
Ownership
Direct
Underlying class
Class A Common Stock
Underlying amount
Form 4 holding Former Chief Executive Officer, President and Chairman of the Board of Directors of CCX., Director, 10%+ Owner

Churchill Capital Corp X/Cayman

Security class
Class A Ordinary Shares
Shares / value
10,650,000
Estimated value
Report date
15 May 2025
Price
Ownership
Indirect
Form 4 holding Chief Executive Officer, President and Chairman of the Board of Directors, Director, 10%+ Owner

Churchill Capital Corp IX/Cayman

Security class
Class A Ordinary Shares
Shares / value
725,000
Estimated value
Report date
06 May 2024
Price
Ownership
Indirect
Form 4 holding Chief Executive Officer, President and Chairman of the Board of Directors, Director, 10%+ Owner

Churchill Capital Corp XII

Security class
Class A Ordinary Shares
Shares / value
350,000
Estimated value
Report date
29 Apr 2026
Price
Ownership
Indirect
Form 4 holding Former Chief Executive Officer, President and Chairman of the Board of Directors of CCX., Director, 10%+ Owner

Churchill Capital Corp X/Cayman

Security class
Warrant (Right to Buy)
Shares / value
75,000
Estimated value
Report date
12 Feb 2026
Price
Ownership
Indirect
Underlying class
Common Stock
Underlying amount
Form 4 holding Former Chief Executive Officer, President and Chairman of the Board of Directors of CCX., Director, 10%+ Owner

Churchill Capital Corp X/Cayman

Security class
Class B ordinary shares
Shares / value
0
Estimated value
Report date
12 Feb 2026
Price
Ownership
Indirect
Underlying class
Common Stock
Underlying amount

Insider Reports Filed by Michael Stuart Klein

4/A OKLO

Oklo Inc.

Report period
12 Jul 2021
Transactions
1
Transaction value
+$14,500,000
Accepted by SEC
02 Jul 2024, 16:40
Role
Chairman, Director, 10%+ Owner
Next action
Open filing details
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