[Form 4] Serina Therapeutics, Inc. Insider Trading Activity
Rhea-AI Filing Summary
Moreadith Randall, Chief Scientific Officer of Serina Therapeutics (SER), exercised fully vested stock options and sold the underlying shares across two dates in late August 2025. On 08/25/2025 she exercised options to purchase 2,042 shares at an exercise price of $0.06 and sold those shares that day for a weighted average price of $5.65 (sales ranged $5.70–$5.65). On 08/26/2025 she exercised options to purchase 45,632 shares at $0.06 and sold them that day for a weighted average price of $7.01 (sales ranged $7.60–$6.70). The Form 4 indicates the transactions were made pursuant to a Rule 10b5-1 plan and notes that the stock options are fully vested.
Positive
- Exercise and sale of vested options converted option holdings into realized proceeds at weighted average sale prices of $5.65 and $7.01.
- Transactions executed under a Rule 10b5-1 plan, which the filer checked on the form, indicating preplanned trading.
- Options fully vested, as disclosed in the Form 4, enabling immediate exercise and sale.
Negative
- None.
Insights
TL;DR: Insider exercised vested options and sold shares under a 10b5-1 plan, realizing material per-share gains over the $0.06 exercise price.
The reporting person exercised two blocks of fully vested options (2,042 and 45,632 shares) at a nominal exercise price of $0.06 and sold the resulting shares immediately at weighted average prices of $5.65 and $7.01. This sequence converted option value into realized proceeds and reduced the insider's direct stock position to zero for the sold lots. The disclosure of a 10b5-1 plan provides procedural context that the sales were preplanned, which can reduce concerns about opportunistic timing but does not itself quantify proceeds or tax implications. All facts are taken directly from the Form 4.
TL;DR: Transactions were reported transparently and executed under a documented 10b5-1 plan; options were fully vested.
The Form 4 clearly reports option exercises followed by sales on consecutive dates and discloses that the transactions were pursuant to a Rule 10b5-1 plan. The filing also states the stock options were fully vested, which is relevant to governance review of insider liquidity and alignment. The filer provides weighted-average sale price ranges in footnotes, and undertakes to supply detailed price-by-price breakdown on request, meeting disclosure expectations in this context.