MANSBACH HARRY H

PrivateCIK: 1300615
Location

IRVINE, CA

MANSBACH HARRY H (Chief Medical Officer) received a stock award from 89BIO, INC.

Compensation award — not an open‑market transaction. Less informative as a directional signal.

A · 1 award
InsiderMANSBACH HARRY HCIK 1300615
Issuer89BIO, INC.CIK 1785173
Officer· Chief Medical Officer
Since Nov 2019
-1.26M
Net shares
Net seller
$0.00
Total acquired
0
Open market trades
0B · 0S
10
Total transactions
50K acquired · 1.31M disposed
Non-Derivative Transactions2

Common Stock

Direct
A · Award

Shares

+50K

Price / share

Trade value

% of position

16.5%
10/30/2025
302.66K352.66K

Common Stock

Direct
U · U

Shares

352.66K

Price / share

Trade value

% of position

New position
10/30/2025
352.66K0.00
Total

Net shares

302.66K

Net value

$0.00

Derivative Transactions8

Stock Option (Right to Buy)

Direct
D · Disposition
Converts to

Common Stock

98.20K shares

Shares

98.20K

Strike price

1.93

Held after

0.00

Exercisable

10/30/2025

Stock Option (Right to Buy)

Direct
D · Disposition
Converts to

Common Stock

39.04K shares

Shares

39.04K

Strike price

3.11

Held after

0.00

Exercisable

10/30/2025

Stock Option (Right to Buy)

Direct
D · Disposition
Converts to

Common Stock

45K shares

Shares

45K

Strike price

32.5

Held after

0.00

Exercisable

10/30/2025

Stock Option (Right to Buy)

Direct
D · Disposition
Converts to

Common Stock

67.50K shares

Shares

67.50K

Strike price

23.01

Held after

0.00

Exercisable

10/30/2025

Stock Option (Right to Buy)

Direct
D · Disposition
Converts to

Common Stock

70K shares

Shares

70K

Strike price

4.44

Held after

0.00

Exercisable

10/30/2025

Stock Option (Right to Buy)

Direct
D · Disposition
Converts to

Common Stock

120K shares

Shares

120K

Strike price

14.7

Held after

0.00

Exercisable

10/30/2025

Stock Option (Right to Buy)

Direct
D · Disposition
Converts to

Common Stock

195K shares

Shares

195K

Strike price

9.98

Held after

0.00

Exercisable

10/30/2025

Stock Option (Right to Buy)

Direct
D · Disposition
Converts to

Common Stock

320K shares

Shares

320K

Strike price

9.6

Held after

0.00

Exercisable

10/30/2025
MANSBACH HARRY H — Insider Transaction (Form 4) Filed Oct 30, 2025 | Finecho