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
+125K
Net shares
Net buyer
$0.00
Total acquired
0
Open market trades
0B · 0S
4
Total transactions
212.50K acquired · 87.50K disposed
Non-Derivative Transactions1

Common Stock

Direct
M · Option Exercise

Shares

+87.50K

Price / share

Trade value

% of position

100.0%
3/5/2026
87.50K175K
Total

Net shares

+87.50K

Net value

$0.00

Derivative Transactions3

Restricted Stock Units

Direct
A · Award
Converts to

Common Stock

62.50K shares

Shares

+62.50K

Strike price

Held after

62.50K

Exercisable

3/4/2026

Employee stock option (right to buy)

Direct
A · Award
Converts to

Common Stock

62.50K shares

Shares

+62.50K

Strike price

0.90

Held after

62.50K

Exercisable

3/4/2026

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

87.50K shares

Shares

87.50K

Strike price

Held after

0.00

Exercisable

3/5/2026
LEFFLER EUGENE FREDERICK — Insider Transaction (Form 4) Filed Mar 7, 2026 | Finecho