HOWZE YALONDA

PrivateCIK: 1828153
Location

CAMBRIDGE, MA

HOWZE YALONDA (INTERIM CEO AND PRESIDENT) exercised options at GENERATION BIO CO.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise
InsiderHOWZE YALONDACIK 1828153
IssuerGENERATION BIO CO.CIK 1733294
Officer· INTERIM CEO AND PRESIDENT
Since Feb 2026
-983.00
Net shares
Net seller
$418.76
Total sold
0
Open market trades
0B · 0S
3
Total transactions
3.35K acquired · 4.33K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+3.35K

Price / share

Trade value

% of position

17.9%
7/15/2025
18.74K22.08K

Common Stock

Direct
F · Tax Withholding

Shares

983.00

Price / share

$0.43

Trade value

$418.76

% of position

4.5%
7/15/2025
22.08K21.10K
Total

Net shares

+2.36K

Net value

-$418.76

Derivative Transactions1

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

3.35K shares

Shares

3.35K

Strike price

Held after

23.43K

Exercisable

7/15/2025
HOWZE YALONDA — Insider Transaction (Form 4) Filed Jul 17, 2025 | Finecho