Insider · CIK 0002016188
Richard Peter Marshall
Files at SER (Serina Therapeutics, Inc.). First filing May 22, 2026, latest May 22, 2026.
In brief
Richard Peter Marshall files SEC Form 4 as director at SER (Serina Therapeutics, Inc.). Since May 22, 2026, Richard Peter Marshall has reported 1 open-market buy worth $20k and 0 open-market sells worth $0, the latest filed on May 22, 2026.
A track record needs three past buys with six months of prices behind them; Richard Peter Marshall has 0, so none is measured yet.
The newest scored trade: bought $20k of SER on May 19, 2026, filed May 22, 2026, scored 46 (moderate). In the last 12 months: 1 buy worth $20k and 0 sells worth $0.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
SER: Serina Therapeutics, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 46Moderate | Serina Therapeutics, Inc. | $20k 12,183 shares | - | +26% from low-74% from high |
Transactions
Every row this insider has filed, 3 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jun 17, 2026 | SER Serina Therapeutics, Inc. | AGrant or award Stock Option (right to buy)derivative | +15,250 | $0.00 | $0 | 15,250 | Jun 22, 2026 |
| May 19, 2026 | SER Serina Therapeutics, Inc. | POpen-market purchase Common Stock | +12,183 | $1.65 | $20k | 12,183 | May 22, 2026 |
| Nov 7, 2025 | SER Serina Therapeutics, Inc. | AGrant or award Stock Option (right to buy)derivative | +10,000 | $0.00 | $0 | 10,000 | Nov 10, 2025 |
Questions about Richard Peter Marshall
Answered from the filings on this page, as of the latest one.
Is Richard Peter Marshall buying or selling?
In the last 12 months Richard Peter Marshall reported 1 open-market buy worth $20k and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $20k of SER on May 19, 2026. Grants, option exercises and tax withholding are not counted.
How did Richard Peter Marshall's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Richard Peter Marshall has 0.
Where does Richard Peter Marshall file Form 4?
Richard Peter Marshall has filed Form 4 at SER (Serina Therapeutics, Inc.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.