McCallum Sophie
SEC insider (Form 3/4/5 filer). CIK 0002085363. Chief of Staff at Deep Isolation Nuclear, Inc. (DBHL). 3 reported Form 4/5 transactions since Sep 2024; latest on Oct 6, 2026. Located in PLANO, TX.
Companies McCallum Sophie has filed insider reports for
- Deep Isolation Nuclear, Inc. (DBHL): Officer, Chief of Staff
McCallum Sophie
CIK: 0002085363
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)3 (100.0%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
DBHL
Deep Isolation Nuclear, Inc.
Officer
Discretionary Trading P&L
Holdings
Transaction History (3 total)
- Oct 6, 2026DBHL
Deep Isolation Nuclear, Inc.
AwardDirect40.2K shares- - Nov 19, 2025No ticker
Deep Isolation Nuclear, Inc.
AwardDirect6.8K shares- - Oct 1, 2025No ticker
Deep Isolation Nuclear, Inc.
AwardDirect9.9K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 6, 2026 | DBHL Deep Isolation Nuclear, Inc. | Award | 40,179 | - | $0 | Direct |
| Nov 19, 2025 | No ticker Deep Isolation Nuclear, Inc. | Award | 6,798 | - | - | Direct |
| Oct 1, 2025 | No ticker Deep Isolation Nuclear, Inc. | Award | 9,869 | - | - | Direct |
1-3 of 3 transactions