PATTERSON LEONE D
SEC insider (Form 3/4/5 filer). CIK 0001233539. Director at IRulya Therapeutics Inc. (IRLA) and 3 other issuers. 8 reported Form 4/5 transactions since Sep 2024; latest on Jun 10, 2026. Located in NEW HAVEN, CT.
Companies PATTERSON LEONE D has filed insider reports for
- IRulya Therapeutics Inc. (IRLA): Director
- Nkarta, Inc. (NKTX): Director
- Kalaris Therapeutics, Inc. (KLRS): Director
- Zymeworks Inc. (ZYME): Officer, EVP, Chief Bus & Fin Officer
PATTERSON LEONE D
CIK: 0001233539
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 (8 total)
- Jun 10, 2026NKTX
Nkarta, Inc.
AwardDirectStock Option (right to buy)
37K shares- - Jun 3, 2026KLRS
Kalaris Therapeutics, Inc.
AwardDirectStock Option (Right to Buy)
9K shares- - Jan 6, 2026ZYME
Zymeworks Inc.
AwardDirect459 shares at avg. $10.55$5K - Jun 5, 2025NKTX
Nkarta, Inc.
AwardDirectStock Option (right to buy)
46K shares- - Apr 10, 2025KLRS
Kalaris Therapeutics, Inc.
AwardDirectStock Option (Right to Buy)
18K shares- - Jan 10, 2025ZYME
Zymeworks Inc.
AwardDirectStock Option (Right to Buy)
79K shares- - Jan 10, 2025ZYME
Zymeworks Inc.
AwardDirectRestricted Stock Unit
53K shares- - Sep 1, 2024ZYME
Zymeworks Inc.
AwardDirectStock Option (Right to Buy)
360K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 10, 2026 |  NKTX Nkarta, Inc. | Award Stock Option (right to buy) | 37,000 | - | - | Direct |
| Jun 3, 2026 |  KLRS Kalaris Therapeutics, Inc. | Award Stock Option (Right to Buy) | 9,000 | - | - | Direct |
| Jan 6, 2026 |  ZYME Zymeworks Inc. | Award | 459 | $10.55 | $4,842 | Direct |
| Jun 5, 2025 | NKTX Nkarta, Inc. | Award Stock Option (right to buy) | 46,000 | - | - | Direct |
| Apr 10, 2025 | KLRS Kalaris Therapeutics, Inc. | Award Stock Option (Right to Buy) | 18,000 | - | - | Direct |
| Jan 10, 2025 | ZYME Zymeworks Inc. | Award Stock Option (Right to Buy) | 79,000 | - | - | Direct |
| Jan 10, 2025 | ZYME Zymeworks Inc. | Award Restricted Stock Unit | 53,000 | - | - | Direct |
| Sep 1, 2024 | ZYME Zymeworks Inc. | Award Stock Option (Right to Buy) | 360,000 | - | - | Direct |
1-8 of 8 transactions