PURETECH HEALTH PLC

PublicCIK: 1782999
PRTCNASDAQPTCHFOTCPRTCYOTC
Location

BOSTON, MA

PURETECH HEALTH PLC reported 3 transactions at SEAPORT THERAPEUTICS, INC.

Review the transaction codes below to understand the nature of each event.

InsiderPURETECH HEALTH PLCCIK 1782999
10% Owner
Since Apr 2026
-35.07M
Net shares
Net seller
$0.00
Total acquired
0
Open market trades
0B · 0S
6
Total transactions
16.38M acquired · 51.45M disposed
Non-Derivative Transactions3

Common Stock

Indirect
C · Conversion

Shares

+12.74M

Price / share

Trade value

% of position

4210.5%
5/4/2026
302.48K13.04M

Common Stock

Indirect
C · Conversion

Shares

+2.68M

Price / share

Trade value

% of position

20.6%
5/4/2026
13.04M15.72M

Common Stock

Indirect
C · Conversion

Shares

+965.25K

Price / share

Trade value

% of position

6.1%
5/4/2026
15.72M16.69M
Total

Net shares

+16.38M

Net value

$0.00

Derivative Transactions3

Series A-1 Preferred Stock

Indirect
C · Conversion
Converts to

Common Stock

12.74M shares

Shares

40M

Strike price

Held after

0.00

Exercisable

5/4/2026

Series A-2 Preferred Stock

Indirect
C · Conversion
Converts to

Common Stock

2.68M shares

Shares

8.42M

Strike price

Held after

0.00

Exercisable

5/4/2026

Series B Preferred Stock

Indirect
C · Conversion
Converts to

Common Stock

965.25K shares

Shares

3.03M

Strike price

Held after

0.00

Exercisable

5/4/2026
PURETECH HEALTH PLC — Insider Transaction (Form 4) Filed May 6, 2026 | Finecho