Karen J. Wilson, Director at Serina Therapeutics, Inc. (SER), bought 20,000 shares at $1.77 ($37K) on 2026-05-21, disclosed to the SEC on 2026-05-26.
Director Karen J. Wilson purchased $17,700 of Serina Therapeutics stock at $1.77 per share, a move that is notable as it represents the largest insider purchase in the company's history. This significant accumulation comes as the stock has rallied 18% over the past five days, potentially signaling confidence in the recent price momentum.
The stock is currently trading at $1.90, a 18.01% increase over the last five days, but remains down 67.52% over the past year and sits 76.01% below its 52-week high of $7.92.
Insider cluster: The purchase is flagged as the largest ever, with a career grade of 'C' and a net buyer flow of 1.0 over the last 90 days.
Short interest: The stock has a short interest of 1.94% of the float, which could create volatility if the stock continues to rally.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $1.77 | 10,000 | $18K | 47.8% |
| 2 | $1.93 | 10,000 | $19K | 52.2% |
| Total | $1.85 avg | 20,000 | $37K | 100% |
| Filing → |
| JAZZ | SELL | 2018-04-12 | $604K | — | Filing → |
| JAZZ | SELL | 2017-04-27 | $204K | — | Filing → |
| JAZZ | SELL | 2017-04-11 | $2.8M | — | Filing → |