There have been 16 recent insider transactions recorded for Upstream Bio, Inc. (UPB), including 11 buys and 5 sells. Total insider buying was valued at $1.19M and total insider selling at $46.57K.
Notable insiders with recent activity include Gray Michael, Sutherland Everett Rand, Houghton Adam. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — UPB
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-03-16 |
Gray Michael |
CFO and COO |
Informative Sell |
852 |
$9.29 |
$7.92K |
29,648 |
| 2026-03-16 |
Sutherland Everett Rand |
Chief Executive Officer |
Informative Sell |
2,093 |
$9.29 |
$19.44K |
72,907 |
| 2026-03-16 |
Houghton Adam |
Chief Business Officer |
Informative Sell |
699 |
$9.29 |
$6.49K |
24,301 |
| 2026-03-16 |
Deykin Aaron |
Chief Medical Officer |
Informative Sell |
894 |
$9.29 |
$8.31K |
32,687 |
| 2026-03-16 |
Ambrose Allison |
General Counsel |
Informative Sell |
475 |
$9.29 |
$4.41K |
16,525 |
| 2026-01-02 |
Gray Michael |
CFO and COO |
RSU Award |
30,500 |
- |
- |
30,500 |
| 2026-01-02 |
Sutherland Everett Rand |
Chief Executive Officer |
RSU Award |
75,000 |
- |
- |
75,000 |
| 2026-01-02 |
Houghton Adam |
Chief Business Officer |
RSU Award |
25,000 |
- |
- |
25,000 |
| 2026-01-02 |
Deykin Aaron |
Chief Medical Officer |
RSU Award |
32,000 |
- |
- |
33,581 |
| 2026-01-02 |
Ambrose Allison |
General Counsel |
RSU Award |
17,000 |
- |
- |
17,000 |
| 2025-06-10 |
Renaud Ronald C Jr |
Director |
RSU Award |
17,096 |
$11.59 |
$198.14K |
17,096 |
| 2025-06-10 |
Beckman Daniella |
Director |
RSU Award |
17,096 |
$11.59 |
$198.14K |
17,096 |
| 2025-06-10 |
Ratcliffe Liam |
Director |
RSU Award |
17,096 |
$11.59 |
$198.14K |
17,096 |
| 2025-06-10 |
Chimovits Erez |
Director |
RSU Award |
17,096 |
$11.59 |
$198.14K |
17,096 |
| 2025-06-10 |
Fleming Harold Edward |
Director |
RSU Award |
17,096 |
$11.59 |
$198.14K |
17,096 |
| 2025-06-10 |
Ruddy Marcella K. |
Director |
RSU Award |
17,096 |
$11.59 |
$198.14K |
17,096 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
