InsiderTrades

Form 4 for CRBP Corbus Pharmaceuticals Holdings, Inc.

Accepted 2025-10-21 00:00:00 ET · period of report 2025-10-20 · accession 0001193125-25-245262 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
DT 2025-10-21 2025-10-20 CRBP Altmeyer Anne Dir M - OptEx $4.80 +1,060 7,251 +17% +$5,088
DT 2025-10-21 2025-10-20 CRBP Altmeyer Anne Dir S - Sale+OE $20.50 -1,060 6,191 -15% -$21.7K
DT 2025-10-21 2025-10-20 CRBP Altmeyer Anne Dir M - OptEx $0.00 -1,060 4,247 -20% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock, par value $0.0001 per share 2025-10-20 M A 1,060 $4.80 7,251 D — — (F1) This amount includes 4,800 unvested RSUs that were granted on May 30, 2025 and vest 100% on the one-year anniversary of the date of grant.
2 Common Common Stock, par value $0.0001 per share 2025-10-20 S D 1,060 $20.50 6,191 D — — (F1) This amount includes 4,800 unvested RSUs that were granted on May 30, 2025 and vest 100% on the one-year anniversary of the date of grant.
3 Derivative Stock options (right to buy) 2025-10-20 M D 1,060 $0.00 4,247 D $4.80 · — to 2032-09-26 1,060 Common Stock (F3) The option award was made in accordance with the terms of the issuer's 2014 Equity Compensation Plan and is fully vested.