Nicholson, C. David
SEC insider (Form 3/4/5 filer). CIK 0001636168. Director at Actinium Pharmaceuticals, Inc. (ATNM) and 1 other issuer. 13 reported Form 4/5 transactions since Sep 2024; latest on Sep 2, 2026. Located in NEW YORK, NY.
Companies Nicholson, C. David has filed insider reports for
- Actinium Pharmaceuticals, Inc. (ATNM): Director
- Adverum Biotechnologies, Inc. (ADVM): Director
Nicholson, C. David
CIK: 0001636168
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (13 total)
- Sep 2, 2026ATNM
Actinium Pharmaceuticals, Inc.
AwardDirect62.8K shares- - Dec 9, 2025ADVM
Adverum Biotechnologies, Inc.
DispositionDirectStock Option (Right to Buy)
8K shares- - Dec 9, 2025ADVM
Adverum Biotechnologies, Inc.
DispositionDirectStock Option (Right to Buy)
10.5K shares- - Dec 9, 2025ADVM
Adverum Biotechnologies, Inc.
DispositionDirectStock Option (Right to Buy)
10.5K shares- - Jun 17, 2025ADVM
Adverum Biotechnologies, Inc.
AwardDirectStock Option (Right to Buy)
10.5K shares- - Mar 31, 2025ATNM
Actinium Pharmaceuticals, Inc.
DispositionDirectStock Option (Right to Buy)
2.5K shares- - Mar 31, 2025ATNM
Actinium Pharmaceuticals, Inc.
DispositionDirectStock Option (Right to Buy)
2.5K shares- - Mar 31, 2025ATNM
Actinium Pharmaceuticals, Inc.
DispositionDirectStock Option (Right to Buy)
2.5K shares- - Mar 31, 2025ATNM
Actinium Pharmaceuticals, Inc.
DispositionDirectStock Option (Right to Buy)
8.3K shares- - Mar 31, 2025ATNM
Actinium Pharmaceuticals, Inc.
DispositionDirectStock Option (Right to Buy)
8.3K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 2, 2026 |  ATNM Actinium Pharmaceuticals, Inc. | Award | 62,800 | - | $0 | Direct |
| Dec 9, 2025 |  ADVM Adverum Biotechnologies, Inc. | Disposition Stock Option (Right to Buy) | 8,000 | - | - | Direct |
| Dec 9, 2025 | ADVM Adverum Biotechnologies, Inc. | Disposition Stock Option (Right to Buy) | 10,520 | - | - | Direct |
| Dec 9, 2025 | ADVM Adverum Biotechnologies, Inc. | Disposition Stock Option (Right to Buy) | 10,450 | - | - | Direct |
| Jun 17, 2025 | ADVM Adverum Biotechnologies, Inc. | Award Stock Option (Right to Buy) | 10,450 | - | - | Direct |
| Mar 31, 2025 | ATNM Actinium Pharmaceuticals, Inc. | Disposition Stock Option (Right to Buy) | 2,500 | - | - | Direct |
| Mar 31, 2025 | ATNM Actinium Pharmaceuticals, Inc. | Disposition Stock Option (Right to Buy) | 2,500 | - | - | Direct |
| Mar 31, 2025 | ATNM Actinium Pharmaceuticals, Inc. | Disposition Stock Option (Right to Buy) | 2,500 | - | - | Direct |
| Mar 31, 2025 | ATNM Actinium Pharmaceuticals, Inc. | Disposition Stock Option (Right to Buy) | 8,333 | - | - | Direct |
| Mar 31, 2025 | ATNM Actinium Pharmaceuticals, Inc. | Disposition Stock Option (Right to Buy) | 8,333 | - | - | Direct |
1-10 of 13 transactions