Tang Capital affiliates hold 5.19% of PureTech Health (PRTC) after March 31, 2026

Rhea-AI Filing Summary

PureTech Health plc ownership disclosure: Tang Capital Management, LLC and affiliated filers report beneficial ownership of 12,635,782 Ordinary Shares, equal to 5.19% of the class. The statement cites 243,418,190 Ordinary Shares outstanding as of March 31, 2026 from the Month End Disclosure of Total Voting Rights and Share Capital filed with the London Stock Exchange on April 1, 2026.

The filing states the holders have shared voting and shared dispositive power over the reported shares, with the positions held jointly by Tang Capital entities and Kevin Tang.

Insights

Corporate Governance Specialist

Holders report a coordinated 5.19% stake with shared control.

The filing documents shared voting and dispositive power across Tang Capital Management, Tang Capital Partners entities and Kevin Tang, which is typical for pooled investment structures and requires aggregated disclosure once thresholds are met. The statement references the London Stock Exchange file to anchor the outstanding share count.

Key items to watch in subsequent filings are any change in percent owned or conversion of shared to sole control; timing of such changes is not provided in this excerpt.

Equity Ownership Analyst

5.19% stake implies a meaningful holder but not a controlling position.

A 12.6M-share position against 243.4M shares outstanding represents a notable institutional stake that could influence block trading and voting outcomes depending on coordination among affiliated entities. The filing lists exact shared power allocations rather than sole control.

Subsequent Schedule 13D/13G amendments or Form 4s would clarify trading activity or shifts in control; those are the filings to check next.

Key Figures

Beneficial ownership: 12,635,782 shares Percent of class: 5.19% Shares outstanding: 243,418,190 shares +1 more

4 metrics

Beneficial ownership 12,635,782 shares Amount beneficially owned per filing

Percent of class 5.19% Percent of Ordinary Shares beneficially owned

Shares outstanding 243,418,190 shares Outstanding as of March 31, 2026

CUSIP G7297M101 Identifier for Ordinary Shares

Key Terms

beneficially owned, shared dispositive power, Month End Disclosure of Total Voting Rights, CUSIP

4 terms

beneficially owned regulatory

"Amount beneficially owned: 12,635,782"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

shared dispositive power regulatory

"Shared Dispositive Power 12,635,782.00"

Month End Disclosure of Total Voting Rights regulatory

"as set forth in the Month End Disclosure of Total Voting Rights and Share Capital"

CUSIP financial

"CUSIP Number(s): G7297M101"

A CUSIP is a nine-character alphanumeric code that uniquely identifies a U.S. or Canadian financial security—such as a stock, bond, or fund share—like a Social Security number for an investment. It matters to investors because brokers, exchanges and record-keepers use the CUSIP to match trades, track ownership, settle transactions and pull accurate records, reducing errors and ensuring money and securities go to the right place.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

PureTech Health plc

(Name of Issuer)

Ordinary Shares

(Title of Class of Securities)

G7297M101

(CUSIP Number)

04/22/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): G7297M101

1

Names of Reporting Persons

TANG CAPITAL MANAGEMENT, LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 12,635,782.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 12,635,782.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

12,635,782.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

5.19 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: Tang Capital Management, LLC ("TCM") shares voting and dispositive power over such shares with Tang Capital Partners, LP ("TCP"), Tang Capital Partners International, LP ("TCPI"), Tang Capital Partners III, Inc. ("TCP III"), Tang Capital Partners IV, Inc. ("TCP IV") and Kevin Tang. The percentages used herein are based on 243,418,190 Ordinary Shares outstanding as of March 31, 2026, as set forth in the Month End Disclosure of Total Voting Rights and Share Capital that was filed with the London Stock Exchange on April 1, 2026.

SCHEDULE 13G

CUSIP Number(s): G7297M101

1

Names of Reporting Persons

KEVIN TANG

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 12,635,782.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 12,635,782.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

12,635,782.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

5.19 %

12

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person: Kevin Tang shares voting and dispositive power over such shares with TCP, TCPI, TCP III, TCP IV and TCM.

SCHEDULE 13G

CUSIP Number(s): G7297M101

1

Names of Reporting Persons

TANG CAPITAL PARTNERS, LP

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 7,094,228.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 7,094,228.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

7,094,228.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

2.91 %

12

Type of Reporting Person (See Instructions)

PN

Comment for Type of Reporting Person: TCP shares voting and dispositive power over such shares with TCM and Kevin Tang.

SCHEDULE 13G

CUSIP Number(s): G7297M101

1

Names of Reporting Persons

TANG CAPITAL PARTNERS INTERNATIONAL, LP

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 4,882,675.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 4,882,675.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

4,882,675.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

2.01 %

12

Type of Reporting Person (See Instructions)

PN

Comment for Type of Reporting Person: TCPI shares voting and dispositive power over such shares with TCM and Kevin Tang.

SCHEDULE 13G

CUSIP Number(s): G7297M101

1

Names of Reporting Persons

TANG CAPITAL PARTNERS III, INC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

NEVADA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 588,854.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 588,854.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

588,854.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0.24 %

12

Type of Reporting Person (See Instructions)

CO

Comment for Type of Reporting Person: TCP III shares voting and dispositive power over such shares with TCM and Kevin Tang.

SCHEDULE 13G

CUSIP Number(s): G7297M101

1

Names of Reporting Persons

TANG CAPITAL PARTNERS IV, INC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

NEVADA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 70,025.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 70,025.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

70,025.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0.03 %

12

Type of Reporting Person (See Instructions)

CO

Comment for Type of Reporting Person: TCP IV shares voting and dispositive power over such shares with TCM and Kevin Tang.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: PureTech Health plc
(b)	Address of issuer's principal executive offices: 6 Tide Street, Suite 400, Boston, MA, 02210
Item 2.
(a)	Name of person filing: This Statement on Schedule 13G (this "Statement") is filed by TCM, the general partner of TCP and TCPI; Kevin Tang, the manager of TCM and Chief Executive Officer of TCP III and TCP IV; TCP; TCPI; TCP III; and TCP IV.
(b)	Address or principal business office or, if none, residence: The address of TCM, Kevin Tang, TCP and TCPI is 4747 Executive Drive, Suite 210, San Diego, CA 92121. The address of TCP III and TCP IV is 400 S. 4th Street, 3rd Floor, Las Vegas, NV 89101.
(c)	Citizenship: TCM is a Delaware limited liability company. Mr. Tang is a United States citizen. TCP and TCPI are Delaware limited partnerships. TCP III and TCP IV are Nevada corporations that are indirectly wholly owned by TCP.
(d)	Title of class of securities: Ordinary Shares
(e)	CUSIP Number(s): G7297M101
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 12,635,782
(b)	Percent of class: 5.19 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 0 shares
	(ii) Shared power to vote or to direct the vote: 12,635,782 shares
	(iii) Sole power to dispose or to direct the disposition of: 0 shares
	(iv) Shared power to dispose or to direct the disposition of: 12,635,782 shares
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

TANG CAPITAL MANAGEMENT, LLC

Signature:	/s/ Kevin Tang
Name/Title:	Manager
Date:	04/29/2026

KEVIN TANG

Signature:	/s/ Kevin Tang
Name/Title:	Self
Date:	04/29/2026

TANG CAPITAL PARTNERS, LP

Signature:	/s/ Kevin Tang
Name/Title:	Manager, Tang Capital Management, LLC, General Partner
Date:	04/29/2026

TANG CAPITAL PARTNERS INTERNATIONAL, LP

Signature:	/s/ Kevin Tang
Name/Title:	Manager, Tang Capital Management, LLC, General Partner
Date:	04/29/2026

TANG CAPITAL PARTNERS III, INC

Signature:	/s/ Kevin Tang
Name/Title:	Chief Executive Officer
Date:	04/29/2026

TANG CAPITAL PARTNERS IV, INC

Signature:	/s/ Kevin Tang
Name/Title:	Chief Executive Officer
Date:	04/29/2026

FAQ

What stake does Tang Capital report in PureTech Health (PRTC)?

Tang Capital Management and affiliates report beneficial ownership of 12,635,782 Ordinary Shares, representing 5.19% of the class based on the disclosed outstanding share count.

How many PureTech shares were outstanding for the percentage calculation?

The percentage is calculated using 243,418,190 Ordinary Shares outstanding as of March 31, 2026, per the Month End Disclosure of Total Voting Rights filed with the London Stock Exchange.

Do the filers claim sole voting power over these shares?

No. The filing states the filers have shared voting power and shared dispositive power over the 12,635,782 shares; sole powers are reported as zero.

Which entities and individuals are disclosed as filing together?

The statement is filed by Tang Capital Management, LLC; Tang Capital Partners, LP; Tang Capital Partners International, LP; Tang Capital Partners III, Inc.; Tang Capital Partners IV, Inc.; and Kevin Tang.

Does this filing indicate an intent to acquire or sell more shares?

The Schedule 13G excerpt lists current beneficial ownership and shared powers only; it does not state any intent to buy or sell additional shares.