MACKAY MARTIN bought RLYB
February 18, 2026 · Form 4 insider transaction
MACKAY MARTIN bought 18,055 shares of Rallybio Corporation at $3.60 per share, a transaction worth $65.0K. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Acquired (buy-side)
Shares
18,055
Price
$3.60
Total value
$65.0K
InsiderMACKAY MARTIN
Role—
CompanyRallybio Corporation (RLYB)
SecurityOption (Right to Buy)
Transaction codeA: Grant or award
Transaction dateFebruary 18, 2026
Filing dateFebruary 20, 2026
Shares owned after18,055
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
The option vests as to the underlying shares of Common Stock in 11 equal installments, each on the last day of each remaining month of calendar year 2026.; This option was issued to the reporting person pursuant to the Company's 2021 Equity Incentive Plan in lieu of retainer fees of $65,000.