Form 4 holding
Director
CASTLE BIOSCIENCES INC
- Security class
- Common Stock
- Shares / value
- 503,577
- Estimated value
- $10,252,828
- Report date
- 17 Jun 2021
- Price
- $20.36
- Ownership
- By L.P.
KABAKOFF DAVID S
Insider Reports History
- Reporting-owner location
- San Diego, CA
- Latest reporting-owner signature
-
/s/ Steven P. Cobourn, as attorney-in-fact for David S. Kabakoff
Source: Latest parsed Forms 3/4/5 signature
- Transaction source note
- Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.
Identity
Names, identifiers, and filing context for this profile.
1 identity field
SEC source record
Original filing metadata and source links for verification.
1 source field
Source evidence
Original filing metadata and source links for verification.
1 source field
Reported holdings for KABAKOFF DAVID S
Form 4 holding
Director
CASTLE BIOSCIENCES INC
- Security class
- Restricted Stock Units
- Shares / value
- 830
- Estimated value
- $16,741
- Report date
- 10 Jun 2021
- Price
- $20.17
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
Form 4 holding
Director
CASTLE BIOSCIENCES INC
- Security class
- Stock option (right to buy)
- Shares / value
- 3,379
- Estimated value
- $12,570
- Report date
- 10 Jun 2021
- Price
- $3.72
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
Form 4 holding
Director
NextCure, Inc.
- Security class
- Stock Option (Right to Buy)
- Shares / value
- 3,510
- Estimated value
- Report date
- 18 Jun 2026
- Price
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
Insider Reports Filed by KABAKOFF DAVID S
4
NXTC
NextCure, Inc.
- Report period
- 18 Jun 2026
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 22 Jun 2026, 16:14
- Role
- Director
- Next action
- Open filing details
4
NXTC
NextCure, Inc.
- Report period
- 20 Jun 2025
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 24 Jun 2025, 16:31
- Role
- Director
- Next action
- Open filing details
4
NXTC
NextCure, Inc.
- Report period
- 20 Jun 2024
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 21 Jun 2024, 17:04
- Role
- Director
- Next action
- Open filing details
4
NXTC
NextCure, Inc.
- Report period
- 22 Jun 2023
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 23 Jun 2023, 16:31
- Role
- Director
- Next action
- Open filing details
4
NXTC
NextCure, Inc.
- Report period
- 23 Jun 2022
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 24 Jun 2022, 17:21
- Role
- Director
- Next action
- Open filing details
4
NXTC
NextCure, Inc.
- Report period
- 24 Jun 2021
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 28 Jun 2021, 18:15
- Role
- Director
- Next action
- Open filing details
4
CSTL
CASTLE BIOSCIENCES INC
- Report period
- 17 Jun 2021
- Transactions
- 1
- Transaction value
- -$2,252,088
- Accepted by SEC
- 21 Jun 2021, 17:47
- Role
- Director
- Next action
- Open filing details
4
CSTL
CASTLE BIOSCIENCES INC
- Report period
- 10 Jun 2021
- Transactions
- 2
- Transaction value
- $0
- Accepted by SEC
- 14 Jun 2021, 16:34
- Role
- Director
- Next action
- Open filing details