Serina Therapeutics, Inc. (SER)
NYSE: SER · Pharmaceutical Preparations · Huntsville, AL · filing with the SEC since 2017
Who owns Serina Therapeutics, Inc.
As filed with the SECHolders of 5% or more
2
Juvenescence Limited holds 27.3% of Common Stock, par value $0.0001 per share, as its SCHEDULE 13D/A filed Jul 22, 2026 says.
Directors and officers
11
report now, of 29 people on the record since 2018. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 2 named at left.
Holders of 5% or moreshare of the class, as filed
Juvenescence Limited
SCHEDULE 13D/A · filed Jul 22, 2026 · Common Stock, par value $0.0001 per share
Sio Capital Management, LLC
SCHEDULE 13G · filed May 4, 2026 · Common Stock, par value, $0.0001 per share
What SER reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Age X
An entity · legal entity · owns, named in the 10-K filed Mar 25, 2026
Juvenescence Limited
An entity · legal entity · owns, named in the 10-K filed Mar 25, 2026
Serina Therapeutics Inc
An entity · legal entity · owns, named in the 10-K filed Mar 25, 2026
2 subsidiaries in 2 countries, from the list filed with the 10-K filed Mar 25, 2026.
Insider tradesForm 4
29sales
7purchases
29sales on a scheduled plan
1people selling
$500,000sold, in dollars
$100,000bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window5 of 29 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Moreadith Randall | Chief Scientific Officer | 29 | $500,000 | 29 | 0 | $0 |
| Wilson Karen J | director | 0 | $0 | 0 | 4 | $100,000 |
| Brannan Stephen K. | director | 0 | $0 | 0 | 1 | $0 |
| Marshall Richard Peter | director | 0 | $0 | 0 | 1 | $0 |
| Venkatesan Jay | director | 0 | $0 | 0 | 1 | $0 |