Boudreau Helen M bought RLYB
October 16, 2026 · Form 4 insider transaction
Boudreau Helen M bought 2,062 shares of Rallybio Corporation at $15.28 per share, a transaction worth $31.5K. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 4 days after the transaction.
Direction
Acquired (buy-side)
Shares
2,062
Price
$15.28
Total value
$31.5K
InsiderBoudreau Helen M
RoleDirector
CompanyRallybio Corporation (RLYB)
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateOctober 16, 2026
Filing dateOctober 20, 2026
Shares owned after8,604
OwnershipDirect
10b5-1 planNo
AmendedNo