The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Houghton Adam since 2026.
This trader's CIK number is 2031691.
At the time of last reporting, Houghton Adam was the Chief Business Officer of Upstream Bio, Inc.. (stock ticker symbol UPB).
Also see all insider trading activities at Upstream Bio, Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2026 | UPB | 0 | $0 | 699 | $6,493 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2026-03-16 | UPB | Sale | 699 | 9.29 | 6,493 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Houghton Adam (Chief Business Officer of Upstream Bio, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.