Serina Therapeutics SER Insider Ownership

NYSE SER
$2.39 -0.18 (-7.10%)
As of: Sep 10, 2026 · 2:27 PM EDT

Insider Holdings by Owner

8.90Mn Shares

Insider Ownership Statistics

as of 30 Sep, 2026
Insider Ownership
2.34%
0% pp QoQ
Shares Held by Insiders
242.39K
filed for Sep 2026
0.00% QoQ
Shares Outstanding
10.34Mn
10,339,000 shares
Direct Holdings
10.69K
Indirect: 231.71K
Net Shares Traded (QoQ)
0
no net change in Sep 2026
Insiders Holding Shares
8
with Form 4 holdings on file

Shares Owned by Insiders

Shares held % of outstanding
Latest
Average ownership
Peak ownership

Shares Purchased/Sold by Insiders

Bought Sold
Latest quarter
Net over range
Buying quarters

Insider Ownership Summary

Quarter ending 30 Sep, 2026

Serina Therapeutics's three largest insider shareholders as of September 09, 2026 are Gregory Bailey (Director, 8.56Mn shares), Jay Venkatesan (Director, 232.29K shares), Michael D West (Chief Executive Officer, 41.98K shares).

Form 4 Holdings

Insiders Holding SER

Insiders 8
Shares held 8.90Mn
Of outstanding 86.06%
# Insider Position Direct Indirect Total Share of Insiders Last Filed
1 Gregory Bailey Director 8,564,382 0 8,564,382 96.3% 22 Jun, 2026
2 Jay Venkatesan Director 589 231,705 232,294 2.6% 22 Jun, 2026
3 Michael D West Chief Executive Officer 41,982 0 41,982 0.5% 14 Mar, 2023
4 Steven Mintz Director 0 25,973 25,973 0.3% 16 Sep, 2024
5 Richard Peter Marshall Director 12,183 0 12,183 0.1% 22 May, 2026
6 Karen J Wilson Director 10,100 0 10,100 0.1% 15 Jun, 2026
7 Steven A Ledger Chief Executive Officer 10,100 0 10,100 0.1% 27 May, 2026
8 Stephen K. Brannan Director 1,000 0 1,000 0.0% 09 Jul, 2026

Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.

Form 4 Filings

513 Insider Transactions

Source SEC Form 4
Latest quarter Sep 2026
Download Data
Date Insider Position Transaction Shares Price Value Shares Held After Ownership
07 Jul, 2026 Stephen K. Brannan Director Acquired P 1,000 $2.03 $2.03K 1,000 Direct
17 Jun, 2026 Stephen K. Brannan Director Acquired A 15,250 $0.00 $0 15,250 Direct
17 Jun, 2026 Gregory Bailey Director Acquired C 1,770,805 $2.25 $3.98Mn 1,897,445 Direct
22 May, 2026 Jay Venkatesan Director Acquired P 589 $1.78 $1.05K 589 Direct
17 Jun, 2026 Richard Peter Marshall Director Acquired A 15,250 $0.00 $0 15,250 Direct
17 Jun, 2026 Jay Venkatesan Director Acquired C 224,152 $2.25 $504.34K 231,705 Indirect
17 Jun, 2026 Gregory Bailey Director Acquired C 6,666,667 $2.25 $15.00Mn 8,564,382 Direct
17 Jun, 2026 Karen J Wilson Director Acquired A 15,250 $0.00 $0 15,250 Direct
17 Jun, 2026 Gregory Bailey Director Acquired A 15,250 $0.00 $0 15,250 Direct
17 Jun, 2026 Jay Venkatesan Director Acquired A 15,250 $0.00 $0 15,250 Direct
17 Jun, 2026 Jay Venkatesan Director Disposed C 96,525 $2.25 $217.18K 0 Indirect
17 Jun, 2026 Gregory Bailey Director Acquired A 3,333,333 $0.00 $0 3,333,333 Direct
17 Jun, 2026 Gregory Bailey Director Disposed C 762,548 $2.25 $1.72Mn 0 Direct
11 Jun, 2026 Karen J Wilson Director Acquired P 5,100 $1.75 $8.90K 5,100 Direct
12 Jun, 2026 Karen J Wilson Director Acquired P 5,000 $1.77 $8.85K 10,100 Direct
26 May, 2026 Steven A Ledger Chief Executive Officer Acquired A 10,100 $1.93 $19.49K 10,100 Direct
21 May, 2026 Srini Tenjarla Svp, Cmc Formulation Acquired A 85,558 $0.00 $0 85,558 Direct
21 May, 2026 Steven A Ledger Chief Executive Officer Acquired A 380,825 $0.00 $0 380,825 Direct
21 May, 2026 Gregory S Curhan Chief Financial Officer Acquired A 123,019 $0.00 $0 123,019 Direct
21 May, 2026 Karen J Wilson Director Acquired P 10,000 $1.77 $17.70K 10,000 Direct