Lieber Jonathan I
SEC insider (Form 3/4/5 filer). CIK 0001350090. Chief Financial Officer at Rallybio Corp (RLYB) and 1 other issuer. 6 reported Form 4/5 transactions since Sep 2024; latest on Oct 9, 2026. Located in EAST BERLIN, CT.
Companies Lieber Jonathan I has filed insider reports for
- Rallybio Corp (RLYB): Officer, Chief Financial Officer
- Decoy Therapeutics Inc. (DCOY): Director
Lieber Jonathan I
CIK: 0001350090
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)1 (16.7%)
Position reduction
Option Exercises (M)2 (33.3%)
Derivative conversions
Awards (A)3 (50.0%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (6 total)
- Oct 9, 2026RLYB
Rallybio Corp
ExerciseDirect3.9K shares at avg. $6.08$24K - Sep 29, 2026RLYB
Rallybio Corp
ExerciseDirect5K shares at avg. $6.08$30K - Aug 31, 2026DCOY
Decoy Therapeutics Inc.
AwardDirect2K shares- - Feb 23, 2026RLYB
Rallybio Corp
SaleDirect789 shares at avg. $5.06$4K - Feb 18, 2026RLYB
Rallybio Corp
AwardDirect2.5K shares- - Feb 14, 2025RLYB
Rallybio Corp
AwardDirectOption (Right to Buy)
180K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 9, 2026 |  RLYB Rallybio Corp | Exercise | 3,910 | $6.08 | $23,773 | Direct |
| Sep 29, 2026 | RLYB Rallybio Corp | Exercise | 5,000 | $6.08 | $30,400 | Direct |
| Aug 31, 2026 |  DCOY Decoy Therapeutics Inc. | Award | 2,000 | - | $0 | Direct |
| Feb 23, 2026 | RLYB Rallybio Corp | Sale | 789 | $5.06 | $3,992 | Direct |
| Feb 18, 2026 | RLYB Rallybio Corp | Award | 2,500 | - | $0 | Direct |
| Feb 14, 2025 | RLYB Rallybio Corp | Award Option (Right to Buy) | 180,000 | - | - | Direct |
1-6 of 6 transactions