Renaud Ronald C JR
SEC insider (Form 3/4/5 filer). CIK 0001354434. Director at Upstream Bio, Inc. (UPB) and 1 other issuer. 6 reported Form 4/5 transactions since Sep 2024; latest on Jun 9, 2026. Located in WALTHAM, MA.
Companies Renaud Ronald C JR has filed insider reports for
- Upstream Bio, Inc. (UPB): Director
- Kailera Therapeutics, Inc. (KLRA): Director, Officer, CEO & President
Renaud Ronald C JR
CIK: 0001354434
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 (6 total)
- Jun 9, 2026UPB
Upstream Bio, Inc.
AwardDirectStock Option (Right to Buy)
17.1K shares- - Jun 9, 2026KLRA
Kailera Therapeutics, Inc.
ExerciseDirect38.1K shares at avg. $5.25$200K - Apr 16, 2026KLRA
Kailera Therapeutics, Inc.
AwardDirectStock Option (right to buy)
300K shares- - Apr 16, 2026KLRA
Kailera Therapeutics, Inc.
AwardDirectStock Option (right to buy)
300K shares- - Jun 10, 2025UPB
Upstream Bio, Inc.
AwardDirectStock Option (Right to Buy)
17.1K shares- - Oct 10, 2024UPB
Upstream Bio, Inc.
AwardDirectStock Option (Right to Buy)
17.1K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 9, 2026 |  UPB Upstream Bio, Inc. | Award Stock Option (Right to Buy) | 17,096 | - | - | Direct |
| Jun 9, 2026 |  KLRA Kailera Therapeutics, Inc. | Exercise | 38,094 | $5.25 | $199,994 | Direct |
| Apr 16, 2026 | KLRA Kailera Therapeutics, Inc. | Award Stock Option (right to buy) | 300,000 | - | - | Direct |
| Apr 16, 2026 | KLRA Kailera Therapeutics, Inc. | Award Stock Option (right to buy) | 300,000 | - | - | Direct |
| Jun 10, 2025 | UPB Upstream Bio, Inc. | Award Stock Option (Right to Buy) | 17,096 | - | - | Direct |
| Oct 10, 2024 | UPB Upstream Bio, Inc. | Award Stock Option (Right to Buy) | 17,096 | - | - | Direct |
1-6 of 6 transactions