Steven A. Ledger - 21 May 2026 Form 4 Insider Report for Serina Therapeutics, Inc. (SER)

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: SER
Reported as of: 21 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 26 May 2026, 19:37:17 UTC
Prior SEC filing: 17 Feb 2026
Next SEC filing: 27 May 2026
Source filing: View source filing
Reporting owner signature: Steven A. Ledger

Key filing fact

Steven A. Ledger filed Form 4 for Serina Therapeutics, Inc. (SER) on 26 May 2026.

Key facts

This page summarizes Steven A. Ledger's Form 4 filing for Serina Therapeutics, Inc. (SER).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 26 May 2026, 19:37.

Change

Previous filing in this sequence was filed on 17 Feb 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001090206 Primary reporting owner

LEDGER STEVEN A

Relationship: Chief Executive Officer, Director
Address: 601 GENOME WAY, SUITE 2001, HUNTSVILLE
Signature: Steven A. Ledger
Signature date: 26 May 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

SER transaction Derivative

Stock Option (right to buy)

Award

Transaction value
Shares: +380,825
Change %
Price: $0.000000^*
Shares after: 380,825
Date: 21 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 380,825
Exercise price: $1.89
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Unless otherwise terminated as provided in the optionee's option agreement, 12/48ths of the shares subject to the option shall vest twelve months after the Vesting Commencement Date, and 1/48th of the shares subject to the option shall vest on the same calendar day of each subsequent month thereafter until the shares subject to the option are fully vested.