Summary
Updated Aug 30, 2026
Stephen K. Brannan is Director of Serina Therapeutics, Inc. (SER). 3 SEC Form 4 filings on record going back to 2025, most recently on 9 July 2026. Most recent open-market trade: bought $2K of SER on 9 July 2026. Lifetime open-market purchases: $2K.
Recent Transactions
1Every recent SEC Form 4 transaction Stephen K. Brannan has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Stephen K. Brannan files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Randall Moreadith - $399K of SER open-market activity in the last 12 months
- Karen J. Wilson - $55K of SER open-market activity in the last 12 months
- Richard Peter Marshall - $20K of SER open-market activity in the last 12 months
- Jay Venkatesan - $1K of SER open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Stephen K. Brannan?
Stephen K. Brannan is a corporate insider, tracked as Director of Serina Therapeutics, Inc. (SER). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Stephen K. Brannan submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Stephen K. Brannan been buying or selling stock?
Recorded transactions: 1 open-market purchase ($2K) and 0 open-market sales across all tracked filings.
Where can I see all of Stephen K. Brannan's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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