MILLS KENNETH T.

PrivateCIK: 1652824
Location

ROCKVILLE, MD

MILLS KENNETH T. (President and CEO) exercised options at REGENXBIO INC.

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

M · 1 exercise
InsiderMILLS KENNETH T.CIK 1652824
IssuerREGENXBIO INC.CIK 1590877
DirectorOfficer· President and CEO
Since Aug 2018
-221.75K
Net shares
Net seller
$2.97M
Total sold
0
Open market trades
0B · 0S
3
Total transactions
225K acquired · 446.75K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+225K

Price / share

$13.09

Trade value

$2.95M

% of position

46.6%
1/27/2026
482.87K707.87K

Common Stock

Direct
F · Tax Withholding

Shares

221.75K

Price / share

$13.41

Trade value

$2.97M

% of position

31.3%
1/27/2026
707.87K486.12K
Total

Net shares

+3.25K

Net value

-$28.46K

Derivative Transactions1

Stock Options (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

225K shares

Shares

225K

Strike price

13.09

Held after

225K

Exercisable

1/27/2026
MILLS KENNETH T. — Insider Transaction (Form 4) Filed Jan 29, 2026 | Finecho