Lieber Jonathan I bought RLYB
September 29, 2026 · Form 4 insider transaction
Lieber Jonathan I bought 5,000 shares of Rallybio Corporation at $6.08 per share, a transaction worth $30.4K. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Acquired (buy-side)
Shares
5,000
Price
$6.08
Total value
$30.4K
InsiderLieber Jonathan I
RoleOfficer, Director
CompanyRallybio Corporation (RLYB)
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateSeptember 29, 2026
Filing dateOctober 1, 2026
Shares owned after9,740
OwnershipDirect
10b5-1 planNo
AmendedNo