LEFFLER EUGENE FREDERICK

PrivateCIK: 1952347
Location

SUDBURY, MA

LEFFLER EUGENE FREDERICK (Chief Financial Officer) exercised options at BIOFRONTERA INC.

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

M · 1 exercise
InsiderLEFFLER EUGENE FREDERICKCIK 1952347
IssuerBIOFRONTERA INC.CIK 1858685
Officer· Chief Financial Officer
Since Mar 2026
0.00
Net shares
Net seller
$0.00
Total acquired
0
Open market trades
0B · 0S
2
Total transactions
31.25K acquired · 31.25K disposed
Non-Derivative Transactions1

Common Stock

Direct
M · Option Exercise

Shares

+31.25K

Price / share

Trade value

% of position

17.9%
7/28/2026
175K206.25K
Total

Net shares

+31.25K

Net value

$0.00

Derivative Transactions1

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

31.25K shares

Shares

31.25K

Strike price

Held after

31.25K

Exercisable

7/28/2026