Donald Jeffrey Keyser

Insider Reports History

Identity Names, identifiers, and filing context for this profile. 1 identity field
Reporting-owner location
Dallas, TX
SEC source record Original filing metadata and source links for verification. 1 source field
Latest reporting-owner signature
/s/ Donald Jeffrey Keyser
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 Donald Jeffrey Keyser

Form 4 holding Director

Lantern Pharma Inc.

Security class
Common stock purchase warrant (Right to Buy)
Shares / value
48,544
Estimated value
Report date
12 May 2026
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding Director

Lantern Pharma Inc.

Security class
Stock Option (Right to Buy)
Shares / value
28,844
Estimated value
Report date
09 Jan 2026
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount

Insider Reports Filed by Donald Jeffrey Keyser

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