Upstream Bio, Inc. (UPB) Insider Trading

Last 12 months

Insiders sold $105k and bought nothing on the open market.

None of the selling was scheduled in advance under a 10b5-1 plan. The last open-market buy by an executive or director was in Oct 2024.

Net open-market

−$105k

0 buys · 15 sales

Under a 10b5-1 plan

of the value sold

Insiders who bought / sold

0 / 5

executives and directors

Last open-market buy

Oct 2024

Oct 15, 2024

Get an email when UPB's executives or directors buy, or make a large sale outside a plan.

Trades · last 2 years

Date	Insider	Trade	Shares	Price	Value	Of their stake	Filing
Sep 16	Aaron Deykin Chief Medical Officer	SoldNo plan	895	$5.49	$5k	2.7%	Form 4
Sep 16	Everett Rand Sutherland Chief Executive Officer	SoldNo plan	2,095	$5.49	$12k	3.0%	Form 4
Sep 16	Adam Houghton Chief Business Officer	SoldNo plan	700	$5.49	$4k	3.0%	Form 4
Sep 16	Michael Gray CFO and COO	SoldNo plan	853	$5.49	$5k	3.0%	Form 4
Sep 16	Allison Ambrose General Counsel	SoldNo plan	485	$5.49	$3k	3.0%	Form 4
Jun 16	Michael Gray CFO and COO	SoldNo plan	853	$6.10	$5k	2.9%	Form 4
Jun 16	Everett Rand Sutherland Chief Executive Officer	SoldNo plan	2,095	$6.10	$13k	2.9%	Form 4
Jun 16	Adam Houghton Chief Business Officer	SoldNo plan	700	$6.10	$4k	2.9%	Form 4
Jun 16	Aaron Deykin Chief Medical Officer	SoldNo plan	895	$6.10	$5k	2.6%	Form 4
Jun 16	Allison Ambrose General Counsel	SoldNo plan	477	$6.10	$3k	2.9%	Form 4
Mar 16	Michael Gray CFO and COO	SoldNo plan	852	$9.29	$8k	2.8%	Form 4
Mar 16	Aaron Deykin Chief Medical Officer	SoldNo plan	894	$9.29	$8k	2.7%	Form 4
Mar 16	Everett Rand Sutherland Chief Executive Officer	SoldNo plan	2,093	$9.29	$19k	2.8%	Form 4
Mar 16	Allison Ambrose General Counsel	SoldNo plan	475	$9.29	$4k	2.8%	Form 4
Mar 16	Adam Houghton Chief Business Officer	SoldNo plan	699	$9.29	$6k	2.8%	Form 4

Sep 16No plan
Aaron Deykin
Chief Medical Officer · sold 895 at $5.49
$5k
2.7% of stake
Sep 16No plan
Everett Rand Sutherland
Chief Executive Officer · sold 2,095 at $5.49
$12k
3.0% of stake
Sep 16No plan
Adam Houghton
Chief Business Officer · sold 700 at $5.49
$4k
3.0% of stake
Sep 16No plan
Michael Gray
CFO and COO · sold 853 at $5.49
$5k
3.0% of stake
Sep 16No plan
Allison Ambrose
General Counsel · sold 485 at $5.49
$3k
3.0% of stake
Jun 16No plan
Michael Gray
CFO and COO · sold 853 at $6.10
$5k
2.9% of stake
Jun 16No plan
Everett Rand Sutherland
Chief Executive Officer · sold 2,095 at $6.10
$13k
2.9% of stake
Jun 16No plan
Adam Houghton
Chief Business Officer · sold 700 at $6.10
$4k
2.9% of stake
Jun 16No plan
Aaron Deykin
Chief Medical Officer · sold 895 at $6.10
$5k
2.6% of stake
Jun 16No plan
Allison Ambrose
General Counsel · sold 477 at $6.10
$3k
2.9% of stake
Mar 16No plan
Michael Gray
CFO and COO · sold 852 at $9.29
$8k
2.8% of stake
Mar 16No plan
Aaron Deykin
Chief Medical Officer · sold 894 at $9.29
$8k
2.7% of stake
Mar 16No plan
Everett Rand Sutherland
Chief Executive Officer · sold 2,093 at $9.29
$19k
2.8% of stake
Mar 16No plan
Allison Ambrose
General Counsel · sold 475 at $9.29
$4k
2.8% of stake
Mar 16No plan
Adam Houghton
Chief Business Officer · sold 699 at $9.29
$6k
2.8% of stake

How to read this. Insiders sell for many reasons: taxes, diversifying, a house. Open-market buys are rarer and say more. A 10b5-1 plan is a trading schedule set up months in advance, so those sales were not timed on news. Large holders (funds and 10% owners) are listed under Everything but not counted as insiders. If you own or watch UPB, we send a push when an executive buys or makes a large sale outside a plan.

Source: SEC Form 4 filings, filed within two business days of each trade and checked for new ones every hour.

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Spot a number that looks wrong? Check it in UPB's SEC filings or

Download this analysis as a PDF (Pro)

Data sourced from SEC EDGAR filings and third-party price providers. Scores, valuations, and metrics are algorithmic estimates. This is not investment advice. See our Terms and Methodology.

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