Marella Thorell
CIK: 0001826323
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 (4 total)
- Jul 8, 2026MCRB
Seres Therapeutics, Inc.
Award(A)DirectStock Option (right to buy)
7.5K shares- - Mar 4, 2026MCRB
Seres Therapeutics, Inc.
Award(A)DirectStock Option (right to buy)
22.5K shares- - Oct 9, 2025EPIX
ESSA Pharma Inc.
Disposition(D)Direct2.9K shares- - Feb 7, 2025MCRB
Seres Therapeutics, Inc.
Award(A)DirectStock Option (Right to Buy)
650K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jul 8, 2026 |  MCRB Seres Therapeutics, Inc. | Award(A) Stock Option (right to buy) | 7,500 | - | - | Direct |
| Mar 4, 2026 | MCRB Seres Therapeutics, Inc. | Award(A) Stock Option (right to buy) | 22,500 | - | - | Direct |
| Oct 9, 2025 |  EPIX ESSA Pharma Inc. | Disposition(D) | 2,881 | - | - | Direct |
| Feb 7, 2025 | MCRB Seres Therapeutics, Inc. | Award(A) Stock Option (Right to Buy) | 650,000 | - | - | Direct |
1-4 of 4 transactions
About Thorell Marella
Thorell Marella (SEC CIK 0001826323) files insider reports with the SEC as Officer of Seres Therapeutics, Inc. (MCRB) and Director of ESSA Pharma Inc. (EPIX).
Signal8 holds 4 ownership filings by Thorell Marella, all Form 4s, filed between Feb 11, 2025 and Jul 10, 2026. Those filings report 4 transactions, from Feb 7, 2025 to Jul 8, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Thorell Marella's filings is in CAMBRIDGE, MA.
Recent filings by Thorell Marella
- Jul 8, 2026: Grant or award of MCRB derivative securities (Form 4, code A).
- Mar 4, 2026: Grant or award of MCRB derivative securities (Form 4, code A).
- Oct 9, 2025: Disposition to issuer transaction of EPIX shares (Form 4, code D).
- Feb 7, 2025: Grant or award of MCRB derivative securities (Form 4, code A).