Katina Dorton
CIK: 0001617541
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 (17 total)
- Jul 15, 2026No ticker
Keenova Therapeutics plc
Award(A)DirectRestricted Stock Units
4.4K shares- - Jun 30, 2026FULC
Fulcrum Therapeutics, Inc.
Award(A)DirectStock Option (right to buy)
32K shares- - Jun 9, 2026PRLD
Prelude Therapeutics Inc
Award(A)DirectDirector Stock Option (Right to Buy)
38K shares- - Jun 2, 2026No ticker
Keenova Therapeutics plc
Exercise(M)Direct4.9K shares- - May 20, 2026TCRX
TScan Therapeutics, Inc.
Award(A)DirectStock Option (Right to Buy)
67K shares- - Feb 23, 2026No ticker
Keenova Therapeutics plc
Award(A)DirectRestricted Stock Units
4K shares- - Jan 1, 2026No ticker
Keenova Therapeutics plc
Disposition(D)DirectRestricted Stock Units
1.5K shares- - Jan 1, 2026No ticker
Keenova Therapeutics plc
Tax Payment(F)Direct513 shares- - Jan 1, 2026No ticker
Keenova Therapeutics plc
Exercise(M)Direct1.8K shares- - Oct 17, 2025PRLD
Prelude Therapeutics Inc
Award(A)DirectDirector Stock Option (Right to Buy)
76K shares- - Aug 14, 2025No ticker
Mallinckrodt plc
Award(A)DirectRestricted Stock Units
4.1K shares- - Jul 31, 2025No ticker
Mallinckrodt plc
Award(A)DirectRestricted Stock Units
16.4K shares- - Jun 30, 2025TCRX
TScan Therapeutics, Inc.
Award(A)DirectStock Option (Right to Buy)
67K shares- - Jun 26, 2025FULC
Fulcrum Therapeutics, Inc.
Award(A)DirectStock Option (right to buy)
36K shares- - Jan 1, 2025No ticker
Mallinckrodt plc
Disposition(D)DirectRestricted Stock Units
1.2K shares- - Jan 1, 2025No ticker
Mallinckrodt plc
Exercise(M)Direct1.5K shares- - Jan 1, 2025No ticker
Mallinckrodt plc
Tax Payment(F)Direct294 shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jul 15, 2026 |  No ticker Keenova Therapeutics plc | Award(A) Restricted Stock Units | 4,406 | - | - | Direct |
| Jun 30, 2026 |  FULC Fulcrum Therapeutics, Inc. | Award(A) Stock Option (right to buy) | 32,000 | - | - | Direct |
| Jun 9, 2026 |  PRLD Prelude Therapeutics Inc | Award(A) Director Stock Option (Right to Buy) | 38,000 | - | - | Direct |
| Jun 2, 2026 | No ticker Keenova Therapeutics plc | Exercise(M) | 4,882 | - | $0 | Direct |
| May 20, 2026 |  TCRX TScan Therapeutics, Inc. | Award(A) Stock Option (Right to Buy) | 67,000 | - | - | Direct |
| Feb 23, 2026 | No ticker Keenova Therapeutics plc | Award(A) Restricted Stock Units | 3,984 | - | - | Direct |
| Jan 1, 2026 | No ticker Keenova Therapeutics plc | Disposition(D) Restricted Stock Units | 1,480 | - | - | Direct |
| Jan 1, 2026 | No ticker Keenova Therapeutics plc | Tax Payment(F) | 513 | - | $0 | Direct |
| Jan 1, 2026 | No ticker Keenova Therapeutics plc | Exercise(M) | 1,808 | - | $0 | Direct |
| Oct 17, 2025 | PRLD Prelude Therapeutics Inc | Award(A) Director Stock Option (Right to Buy) | 76,000 | - | - | Direct |
| Aug 14, 2025 | No ticker Mallinckrodt plc | Award(A) Restricted Stock Units | 4,062 | - | - | Direct |
| Jul 31, 2025 | No ticker Mallinckrodt plc | Award(A) Restricted Stock Units | 16,414 | - | - | Direct |
| Jun 30, 2025 | TCRX TScan Therapeutics, Inc. | Award(A) Stock Option (Right to Buy) | 67,000 | - | - | Direct |
| Jun 26, 2025 | FULC Fulcrum Therapeutics, Inc. | Award(A) Stock Option (right to buy) | 36,000 | - | - | Direct |
| Jan 1, 2025 | No ticker Mallinckrodt plc | Disposition(D) Restricted Stock Units | 1,231 | - | - | Direct |
| Jan 1, 2025 | No ticker Mallinckrodt plc | Exercise(M) | 1,504 | - | $0 | Direct |
| Jan 1, 2025 | No ticker Mallinckrodt plc | Tax Payment(F) | 294 | - | $0 | Direct |
1-17 of 17 transactions
About Dorton Katina
Dorton Katina (SEC CIK 0001617541) files insider reports with the SEC as Director of Keenova Therapeutics plc, Director of Fulcrum Therapeutics, Inc. (FULC) and Director of Prelude Therapeutics Inc (PRLD). Signal8 also holds filings tied to 1 other company.
Signal8 holds 14 ownership filings by Dorton Katina (1 Form 3, 13 Form 4), filed between Jan 2, 2025 and Jul 17, 2026. Those filings report 17 transactions, from Jan 1, 2025 to Jul 15, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Dorton Katina's filings is in CAMBRIDGE, MA.
Recent filings by Dorton Katina
- Jul 15, 2026: Grant or award of Keenova Therapeutics plc derivative securities (Form 4, code A).
- Jun 30, 2026: Grant or award of FULC derivative securities (Form 4, code A).
- Jun 9, 2026: Grant or award of PRLD derivative securities (Form 4, code A).
- Jun 2, 2026: Option exercise of Keenova Therapeutics plc shares (Form 4, code M).
- May 20, 2026: Grant or award of TCRX derivative securities (Form 4, code A).