Holles Natalie C.
SEC insider (Form 3/4/5 filer). CIK 0001580111. Director at LeonaBio, Inc. (LONA) and 3 other issuers. 20 reported Form 4/5 transactions since Sep 2024; latest on Jun 23, 2026. Located in BOTHELL, WA.
Companies Holles Natalie C. has filed insider reports for
- LeonaBio, Inc. (LONA): Director
- Aura Biosciences, Inc. (AURA): Director, Officer, See Remarks
- Day One Biopharmaceuticals, Inc. (DAWN): Director
- Third Harmonic Bio, Inc. (THRD): Director, Officer, CEO
Holles Natalie C.
CIK: 0001580111
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 (20 total)
- Jun 23, 2026LONA
LeonaBio, Inc.
AwardDirectStock Option (Right to Buy)
2.3K shares- - May 19, 2026AURA
Aura Biosciences, Inc.
AwardDirect600.1K shares- - May 19, 2026AURA
Aura Biosciences, Inc.
AwardDirect553.8K shares- - May 5, 2026LONA
LeonaBio, Inc.
AwardDirectStock Option (Right to Buy)
56K shares- - Apr 23, 2026DAWN
Day One Biopharmaceuticals, Inc.
DispositionDirect57.3K shares- - Nov 6, 2025DAWN
Day One Biopharmaceuticals, Inc.
DispositionDirectStock Option (right to buy Common Stock)
40.3K shares- - Nov 6, 2025DAWN
Day One Biopharmaceuticals, Inc.
AwardDirectStock Option (right to buy Common Stock)
40.3K shares- - Nov 6, 2025DAWN
Day One Biopharmaceuticals, Inc.
DispositionDirectStock Option (right to buy Common Stock)
28.7K shares- - Nov 6, 2025DAWN
Day One Biopharmaceuticals, Inc.
AwardDirectStock Option (right to buy Common Stock)
28.7K shares- - Nov 6, 2025DAWN
Day One Biopharmaceuticals, Inc.
AwardDirectStock Option (right to buy Common Stock)
37.5K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 23, 2026 |  LONA LeonaBio, Inc. | Award Stock Option (Right to Buy) | 2,333 | - | - | Direct |
| May 19, 2026 |  AURA Aura Biosciences, Inc. | Award | 600,118 | - | $0 | Direct |
| May 19, 2026 | AURA Aura Biosciences, Inc. | Award | 553,844 | - | $0 | Direct |
| May 5, 2026 | LONA LeonaBio, Inc. | Award Stock Option (Right to Buy) | 56,000 | - | - | Direct |
| Apr 23, 2026 |  DAWN Day One Biopharmaceuticals, Inc. | Disposition | 57,310 | - | $0 | Direct |
| Nov 6, 2025 | DAWN Day One Biopharmaceuticals, Inc. | Disposition Stock Option (right to buy Common Stock) | 40,300 | - | - | Direct |
| Nov 6, 2025 | DAWN Day One Biopharmaceuticals, Inc. | Award Stock Option (right to buy Common Stock) | 40,300 | - | - | Direct |
| Nov 6, 2025 | DAWN Day One Biopharmaceuticals, Inc. | Disposition Stock Option (right to buy Common Stock) | 28,700 | - | - | Direct |
| Nov 6, 2025 | DAWN Day One Biopharmaceuticals, Inc. | Award Stock Option (right to buy Common Stock) | 28,700 | - | - | Direct |
| Nov 6, 2025 | DAWN Day One Biopharmaceuticals, Inc. | Award Stock Option (right to buy Common Stock) | 37,500 | - | - | Direct |
1-10 of 20 transactions