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Insider · CIK 0001329505

Gregory Bailey

director

Files at SER (Serina Therapeutics, Inc.), BHVN (Biohaven Ltd.). First filing Dec 19, 2024, latest Nov 17, 2025.

In brief

Gregory Bailey files SEC Form 4 as director at SER (Serina Therapeutics, Inc.), and also at BHVN (Biohaven Ltd.). Since Dec 19, 2024, Gregory Bailey has reported 2 open-market buys worth $3.0M and 0 open-market sells worth $0, the latest filed on Nov 17, 2025.

A track record needs three past buys with six months of prices behind them; Gregory Bailey has 0, so none is measured yet.

The newest scored trade: bought $3.0M of BHVN on Nov 13, 2025, filed Nov 17, 2025, scored 79 (notable). In the last 12 months: 1 buy worth $3.0M and 0 sells worth $0.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
2 / 0
$3.0M bought, $0 sold

Where the trades landed

Last year at the 2 companies this insider has traded most, with each buy and sell on the bar it happened.

BHVN: Biohaven Ltd.

BHVNOct 9, 2026 · close 12.08

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™

SER: Serina Therapeutics, Inc.

SEROct 9, 2026 · close 2.00

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.

ScoreCompanyValueHoldingsPrice contextFiled
79Notable
BHVNbuy 4
Biohaven Ltd.
$3.0M
400,000 shares
+25%+4% from low-84% from high
18Weak
SERbuy
Serina Therapeutics, Inc.
$18k
3,866 shares
+6%-

Transactions

Every row this insider has filed, 12 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Jun 17, 2026SER
Serina Therapeutics, Inc.
CConversion
Common Stock
+1,770,805$2.25$4.0M1,897,445Jun 22, 2026
Jun 17, 2026SER
Serina Therapeutics, Inc.
CConversion
Common Stock
+6,666,667$2.25$15M8,564,382Jun 22, 2026
Jun 17, 2026SER
Serina Therapeutics, Inc.
AGrant or award
Stock Option (right to buy)derivative
+15,250$0.00$015,250Jun 22, 2026
Jun 17, 2026SER
Serina Therapeutics, Inc.
AGrant or award
Redeemable Warrantsderivative
+3,333,333$0.00$03,333,333Jun 22, 2026
Jun 17, 2026SER
Serina Therapeutics, Inc.
CConversion
Series A Convertible Preferred Stockderivative
-762,548$2.25$1.7M0Jun 22, 2026
Apr 28, 2026BHVN
Biohaven Ltd.
AGrant or award
Stock Options (Right to buy)derivative
+68,693$0.00$068,693Apr 30, 2026
Mar 31, 2026SER
Serina Therapeutics, Inc.
AGrant or award
Common Stock
+59,667$1.94$116k126,910Apr 21, 2026
Nov 13, 2025BHVN
Biohaven Ltd.
POpen-market purchase
Common Shares
+400,000$7.50$3.0M2,020,071Nov 17, 2025
Nov 7, 2025SER
Serina Therapeutics, Inc.
AGrant or award
Stock Option (right to buy)derivative
+10,000$0.00$010,000Nov 10, 2025
May 5, 2025BHVN
Biohaven Ltd.
AGrant or award
Stock Options (Right to buy)derivative
+31,716$0.00$031,716May 7, 2025
Apr 8, 2025SER
Serina Therapeutics, Inc.
AGrant or award
Series A Convertible Preferred Stockderivative
+762,548$5.18$3.9M762,548Apr 10, 2025
Dec 17, 2024SER
Serina Therapeutics, Inc.
POpen-market purchase
Common Stock
+3,866$4.59$18k67,243Dec 19, 2024

Questions about Gregory Bailey

Answered from the filings on this page, as of the latest one.

Is Gregory Bailey buying or selling?

In the last 12 months Gregory Bailey reported 1 open-market buy worth $3.0M and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $3.0M of BHVN on Nov 13, 2025. Grants, option exercises and tax withholding are not counted.

How did Gregory Bailey's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Gregory Bailey has 0.

Where does Gregory Bailey file Form 4?

Gregory Bailey has filed Form 4 at SER (Serina Therapeutics, Inc.); BHVN (Biohaven Ltd.). 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.

Gregory Bailey: insider trades and track record | InsiderTell