LIEBER JONATHAN I

PrivateCIK: 1350090
Location

WALTHAM, MA

LIEBER JONATHAN I (Chief Financial Officer) exercised options at RALLYBIO CORP

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

M · 1 exercise
InsiderLIEBER JONATHAN ICIK 1350090
→
IssuerRALLYBIO CORPCIK 1739410
Officer· Chief Financial Officer
Since Feb 2026
0.00
Net shares
Net seller
$30.4K
Total acquired
0
Open market trades
0B · 0S
2
Total transactions
5K acquired · 5K disposed
Non-Derivative Transactions1

Common Stock

Direct
M · Option Exercise

Shares

+5K

Price / share

$6.08

Trade value

$30.40K

% of position

105.5%
9/29/2026
4.74K→9.74K
Total

Net shares

+5K

Net value

$30.40K

Derivative Transactions1

Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

5K shares

Shares

−5K

Strike price

6.08

Held after

0.00

Exercisable

—

9/29/2026
LIEBER JONATHAN I — Insider Transaction (Form 4) Filed Oct 1, 2026 | Finecho