Zura Bio (NASDAQ: ZURA) director plans 50,000-share sale after prior trades

Rhea-AI Filing Summary

Zura Bio Ltd (ZURA) received a notice under Rule 144 that director Someit Sidhu intends to sell common shares. The planned transaction involves 50,000 common shares through Morgan Stanley Smith Barney LLC, with an aggregate value of $287,712.50, currently associated with NASDAQ trading on 08/18/2026. The shares are tied to a stock option exercise for cash from the issuer on the same date. Over the prior three months, the same person reported additional sales of ZURA common stock.

Key Figures

Planned shares to be sold: 50,000 shares Aggregate value of planned sale: $287,712.50 Planned sale date: 08/18/2026 +4 more

7 metrics

Planned shares to be sold 50,000 shares Common stock intended for sale under Rule 144

Aggregate value of planned sale $287,712.50 Total for 50,000 common shares listed with broker

Planned sale date 08/18/2026 Date associated with the 50,000-share transaction

Shares sold 08/17/2026 27,000 shares Common shares sold by Someit Sidhu during past three months

Proceeds 08/17/2026 $151,343.10 Aggregate proceeds from 27,000-share sale

Shares sold 08/14/2026 40,000 shares Common shares sold by Someit Sidhu during past three months

Shares sold 08/13/2026 51,000 shares Common shares sold by Someit Sidhu during past three months

Key Terms

Rule 144, Stock Option Exercise, aggregate value

3 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Stock Option Exercise financial

"Common | 08/18/2026 | Stock Option Exercise | Issuer |"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

aggregate value financial

"Common ... | 50000 | 287712.50 |"

FAQ

What insider sale is disclosed for ZURA in this Form 144?

The notice reports that Someit Sidhu, a director of Zura Bio Ltd, intends to sell 50,000 common shares. The planned sale has an aggregate value of $287,712.50 and is associated with a stock option exercise dated 08/18/2026.

How many ZURA shares has Someit Sidhu sold recently under Rule 144?

The filing lists prior sales of 27,000 shares on 08/17/2026, 40,000 shares on 08/14/2026, and 51,000 shares on 08/13/2026. Aggregate proceeds were $151,343.10, $220,540.00, and $287,043.30, respectively.

Which broker is handling the planned ZURA share sale?

The planned sale of 50,000 Zura Bio Ltd common shares is listed through Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, 8th Floor, New York, NY 10004, as the broker for the transaction.

What is the nature of the ZURA shares to be sold on 08/18/2026?

The 50,000 Zura Bio Ltd common shares are indicated as arising from a Stock Option Exercise with the issuer, for cash, dated 08/18/2026. The Form 144 identifies these as the securities intended for sale.

Who is the person selling ZURA shares under this Form 144?

The person is Someit Sidhu, identified as a director of Zura Bio Ltd. The notice states that the securities are being sold for this person’s account, as defined under paragraph (a) of Rule 144.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/18/2026 - 05:53 PM Accepted by SEC EDGAR 08/18/2026 - 05:52 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001870329
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	ZURA BIO LIMITED
SEC File Number	001-40598
Address of Issuer	1489 W. Warm Springs Rd. #110 Henderson NEVADA 89014
Phone	702-825-9872
Name of Person for Whose Account the Securities are To Be Sold	SOMEIT SIDHU
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	50000	287712.50	95829137	08/18/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	08/18/2026	Stock Option Exercise	Issuer			50000	08/18/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
SOMEIT SIDHU 1489 W. Warm Springs Rd. #110 Henderson NV 89014	Common	08/17/2026	27000	151343.10
SOMEIT SIDHU 1489 W. Warm Springs Rd. #110 Henderson NV 89014	Common	08/14/2026	40000	220540.00
SOMEIT SIDHU 1489 W. Warm Springs Rd. #110 Henderson NV 89014	Common	08/13/2026	51000	287043.30

144: Remarks and Signature

Remarks
Date of Notice	08/18/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Someit Sidhu
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)