Pfeiffenberger Brent bought CRBP

May 19, 2026 · Form 4 insider transaction

Pfeiffenberger Brent bought 7,500 shares of Corbus Pharmaceuticals Holdings, Inc. at $0.00 per share, a transaction worth N/A. 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
7,500
Price
$0.00
Total value
N/A
RoleOfficer, Director
SecurityCommon Stock, par value $0.0001 per share
Transaction codeA: Grant or award
Transaction dateMay 19, 2026
Filing dateMay 21, 2026
Shares owned after7,500
OwnershipDirect
10b5-1 planNo
AmendedNo

Footnotes

On May 19, 2026, 7,500 restricted stock units ("RSUs") were granted, which will be settled in shares of common stock, par value $0.0001. The RSUs will vest in three equal annual installments on each of the first three anniversaries of the grant date, subject to continued service to the Company through each applicable vesting date.; This amount includes 7,500 unvested RSUs that were granted on May 19, 2026 and will vest in three equal annual installments on each of the first three anniversaries of the grant date, subject to continued service to the Company through each applicable vesting date.

View the original Form 4 on SEC EDGAR