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Upstream Bio, Inc. Common Stock

UPB Real Time Price USD
N/A
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Overview
Financials
Forecast
Insiders
Institutions
Compensation
Government
Ownership
News
Income
Balance Sheet
Cash Flow
Revenue Breakdown

Recent trades of UPB by members of U.S. Congress

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No Congress Trading data for this ticker

Congress Trading Dashboard
UPB Stock Insider Trading Activity Follow @QuiverQuant for major insider updates

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Closing Price
Purchase
Sale
Name
Type
Shares
Price
Shares Held
Date
Reported
UPB Stock Institutional Owners
Investor
Shares
Change in Shares
Market Value
Date
Reported
UPB Derivatives Institutional Owners
Investor
Type
Shares
Change in Shares
Market Value
Date
Reported

Recently reported changes in UPB holdings by institutional investors

Quarterly net insider trading by UPB's directors and management

* Insider trading data parsed from SEC Form 4 filings by Quiver Quantitative. Sign up for the Quiver API for real-time access.

About

Backtest Start Date
CAGR (Total)
Return (30d)
Return (1Y)
  • 1M
  • 3M
  • 6M
  • YTD
  • 1Y
  • 2Y
  • 5Y
  • MAX

About

Backtest Start Date

Key Metrics

Return (1d)

Return (30d)

Return (1Y)

CAGR (Total)

Max Drawdown

Beta

Alpha

Sharpe Ratio

Win Rate

Average Win

Average Loss

Annual Volatility

Annual Std Dev

Information Ratio

Treynor Ratio

Total Trades

Show More
Metrics Definitions

Disclaimer: The performance results shown are based on historical backtesting and are hypothetical in nature. Backtested performance does not represent actual trading and does not account for all market factors that may affect execution, such as liquidity, slippage, and changing market conditions. Past performance is not necessarily indicative of future results. There is no guarantee that any trading strategy will be profitable or avoid losses.

  • Alpha

    Measures a portfolio's risk-adjusted performance against that of its benchmark

    Learn More about Alpha
  • Annual Standard Deviation

    Measures how much the portfolio's total return varies from its mean or average.

    Learn More about Annual Standard Deviation
  • Annual Volatility

    A statistical measure of the dispersion of returns for the portfolio.

    Learn More about Annual Volatility
  • Average Win

    The average return (%) for trades that resulted in a positive return.

  • Average Loss

    The average return (%) for trades that resulted in a negative return.

  • Beta

    A measure of the volatility of the portfolio compared to the market as a whole.

    Learn More about Beta
  • CAGR

    CAGR (Compounded Annual Growth Rate), is the historical annualized rate of return for an investment strategy, throughout the backtest period.

    Learn More about CAGR
  • Information Ratio

    A measurement of portfolio returns beyond the returns of its benchmark compared to the volatility of those returns.

    Learn More about Information Ratio
  • Max Drawdown

    the maximum observed loss from a peak to a trough of a portfolio, before a new peak is attained.

    Learn More about Max Drawdown
  • Sharpe Ratio

    The Sharpe Ratio is a measure of historical risk-adjusted return, which quantifies the amount of return that an investor received per unit of risk.

    Learn More about Sharpe Ratio
  • Total Trades

    The total number of trades made by this strategy.

  • Treynor Ratio

    Attempts to measure how successful an investment is in providing compensation to investors for taking on investment risk.

    Learn More about Treynor Ratio
  • Win Rate

    The percentage of total trades that resulted in a positive return.

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Government lobbying spending instances

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No Corporate Lobbying instances for this ticker

Corporate Lobbying Dashboard

Former government officials who have lobbied for UPB

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No former government officials on record as having lobbied for UPB

Revolving Door Dashboard

UPB Estimated quarterly lobbying spending

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No Corporate Lobbying data for this ticker

Corporate Lobbying Dashboard

UPB Revenue by Segment or Geography

By Segment
By Geography
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No Revenue by Segment data for this ticker

Revenue Breakdown Dashboard
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No Revenue by Geography data for this ticker

Revenue Breakdown Dashboard
UPB Income Statement
UPB Balance Sheet
UPB Cash Flow
U.S. Patents

New UPB patent grants

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No new patents for this ticker

U.S. Patents Dashboard
Government Contracts

Federal grants, loans, and purchases

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No Government Contracts for this ticker

Government Contracts Dashboard
Government Contracts

Estimated quarterly amount awarded to UPB from public contracts

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No recent Government Contracts for this ticker

Government Contracts Dashboard
UPB News

Recent insights relating to UPB

CNBC Recommendations

Recent picks made for UPB stock on CNBC

Top ETF Holders

ETFs with the largest estimated holdings in UPB

UPB Analyst Ratings

UPB Stock Forecasts
...

  • ... Highest Price Target
  • ... Median Price Target
  • ... Lowest Price Target
UPB Analyst Forecasts
Analyst
Firm
Current
Previous
Date
Frequently Asked Questions
  • Is $UPB stock a Buy, Sell, or Hold?

  • What is the price target for $UPB stock?

* Analyst consensus is not financial advice. Please see our data disclaimers .

UPB Top Shareholders
Shareholder
Shares Held
UPB Options Owners
Shareholder
Security
Underlying Shares
Frequently Asked Questions
  • Who owns $UPB stock?

  • Who owns the most shares of $UPB stock?

  • What funds own $UPB stock?

* These are estimates based on data taken from SEC filings. There may be inaccuracies due to parsing errors, accidental double-counting, incorrect classification of indirectly owned shares, or any other number of issues.

UPB Stock Smart Score

The Quiver Smart Score combines our data on Congress Trading, Lobbying, Insider Trading, CNBC Mentions and more to provide a comprehensive view of the strength of a stock's underlying data.

The Smart Score grades stocks on a scale of 1 (weakest) to 10 (strongest) based on the strength of the underlying data.
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Score Breakdown
Bull Case vs Bear Case

See concise summaries of analyst reports, presenting both bullish and bearish arguments for a stock.

Example:

Bulls Say:

The Bulls Say summary highlights positive aspects of the stock.

Bears Say:

The Bears Say summary points out potential risks and negative aspects of the stock.

Show More
About UPB

Upstream Bio Inc is a clinical-stage biotechnology company developing treatments for inflammatory diseases, with an initial focus on severe respiratory disorders. It is developing verekitug, the known antagonist currently in clinical development that targets the receptor for Thymic Stromal Lymphopoietin (TSLP), a cytokine that is a clinically validated driver of inflammatory response positioned upstream of multiple signaling cascades that affect a variety of immune-mediated diseases. Verekitug has advanced into three separate world-wide, placebo-controlled, randomized Phase 2 clinical trials, two completed in chronic rhinosinusitis with nasal polyps (CRSwNP) and severe asthma, and one ongoing in chronic obstructive pulmonary disease (COPD).

  • Address Waltham, MA
  • Market Cap 300.7 million
  • Employees 75
  • Industrial Classification Pharmaceutical Preparations

Upstream Bio, Inc. Common Stock (UPB) Historical Stock Prices

Upstream Bio, Inc. Common Stock (UPB) closed at $5.49 on September 22, 2026. Over the past year its adjusted close ranged from $5.31 to $32.60. Daily prices go back to October 11, 2024, 487 trading days in all.

  • 1 month-21.23%
  • 3 months-13.13%
  • Year to date-79.78%
  • 1 year-67.03%
  • 3 years
  • 5 years
  • Max-75.05%
See every congressional and insider trade on the UPB price chart

Quiver Premium charts UPB's full daily history since 2014 with each congressional purchase and sale and every open-market insider purchase marked on the price line, with hover details for each trade.

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Last 12 months, newest first

Access Raw Data Daily prices since 2014 for every ticker, through the Quiver API
DateOpenHighLowCloseAdj. CloseVolume
Sep 22, 2026 5.44 5.56 5.38 5.49 5.49 360,533
Sep 21, 2026 5.42 5.44 5.27 5.37 5.37 364,035
Sep 18, 2026 5.32 5.41 5.21 5.34 5.34 1,000,981
Sep 17, 2026 5.44 5.48 5.24 5.31 5.31 533,871
Sep 16, 2026 5.49 5.54 5.27 5.33 5.33 497,239
Sep 15, 2026 5.81 5.81 5.46 5.48 5.48 421,265
Sep 14, 2026 5.75 5.87 5.70 5.81 5.81 491,023
Sep 11, 2026 5.84 5.84 5.65 5.73 5.73 501,306
Sep 10, 2026 5.86 5.86 5.67 5.75 5.75 562,410
Sep 9, 2026 6.14 6.20 5.77 5.96 5.96 726,236
Sep 8, 2026 6.01 6.21 5.77 6.19 6.19 952,239
Sep 4, 2026 6.00 6.23 5.96 6.01 6.01 643,266
Sep 3, 2026 6.49 6.49 5.77 6.08 6.08 1,351,772
Sep 2, 2026 6.62 6.98 6.41 6.48 6.48 515,755
Sep 1, 2026 6.58 6.72 6.50 6.55 6.55 476,486
Aug 31, 2026 6.64 6.77 6.44 6.62 6.62 895,008
Aug 28, 2026 6.71 6.79 6.60 6.69 6.69 445,476
Aug 27, 2026 7.11 7.14 6.78 6.79 6.79 335,062
Aug 26, 2026 7.18 7.31 6.90 7.13 7.13 432,931
Aug 25, 2026 6.68 7.18 6.55 7.18 7.18 554,420
Aug 24, 2026 7.00 7.11 6.46 6.61 6.61 538,545
Aug 21, 2026 6.91 7.01 6.85 6.97 6.97 434,241
Aug 20, 2026 7.48 7.55 6.75 6.85 6.85 592,938
Aug 19, 2026 7.04 7.53 6.91 7.51 7.51 574,178
Aug 18, 2026 7.28 7.43 6.73 6.85 6.85 461,779
Aug 17, 2026 7.02 7.19 6.86 7.14 7.14 852,441
Aug 14, 2026 6.95 7.14 6.80 7.07 7.07 688,249
Aug 13, 2026 7.02 7.04 6.87 6.91 6.91 378,835
Aug 12, 2026 7.00 7.25 6.84 6.91 6.91 635,221
Aug 11, 2026 7.48 7.70 7.01 7.09 7.09 628,055
Aug 10, 2026 7.32 7.62 7.20 7.44 7.44 869,591
Aug 7, 2026 6.94 7.26 6.89 7.25 7.25 621,845
Aug 6, 2026 6.75 7.17 6.66 6.87 6.87 427,171
Aug 5, 2026 6.77 6.88 6.58 6.74 6.74 917,311
Aug 4, 2026 6.40 6.92 6.40 6.79 6.79 1,362,497
Aug 3, 2026 6.31 6.43 6.17 6.42 6.42 774,290
Jul 31, 2026 6.58 6.69 6.29 6.31 6.31 297,714
Jul 30, 2026 6.35 6.67 6.29 6.57 6.57 320,722
Jul 29, 2026 6.39 6.48 6.21 6.41 6.41 702,778
Jul 28, 2026 6.40 6.54 6.09 6.40 6.40 433,233
Jul 27, 2026 6.47 6.60 6.26 6.40 6.40 459,477
Jul 24, 2026 6.40 6.61 6.16 6.41 6.41 626,431
Jul 23, 2026 6.46 6.59 6.32 6.40 6.40 626,145
Jul 22, 2026 6.95 6.99 6.47 6.59 6.59 704,553
Jul 21, 2026 6.92 7.08 6.86 6.98 6.98 340,980
Jul 20, 2026 6.99 7.14 6.80 6.98 6.98 457,973
Jul 17, 2026 7.08 7.30 6.90 7.01 7.01 378,032
Jul 16, 2026 7.24 7.34 6.98 7.23 7.23 561,160
Jul 15, 2026 7.12 7.32 7.08 7.27 7.27 332,111
Jul 14, 2026 7.28 7.34 7.00 7.14 7.14 344,693
Jul 13, 2026 7.47 7.53 7.02 7.28 7.28 266,138
Jul 10, 2026 7.81 7.81 7.28 7.53 7.53 341,716
Jul 9, 2026 7.98 8.00 7.57 7.81 7.81 467,536
Jul 8, 2026 7.73 8.00 7.53 7.98 7.98 635,113
Jul 7, 2026 7.48 8.00 7.32 7.86 7.86 809,452
Jul 6, 2026 7.50 7.59 7.34 7.40 7.40 357,006
Jul 2, 2026 7.31 7.72 7.16 7.51 7.51 363,212
Jul 1, 2026 6.90 7.42 6.81 7.28 7.28 560,983
Jun 30, 2026 6.94 7.38 6.88 6.92 6.92 557,817
Jun 29, 2026 6.77 7.00 6.56 6.93 6.93 662,668
Jun 26, 2026 6.36 6.78 6.35 6.75 6.75 1,311,206
Jun 25, 2026 6.32 6.57 6.28 6.36 6.36 469,883
Jun 24, 2026 6.35 6.71 6.32 6.35 6.35 654,584
Jun 23, 2026 6.26 6.54 6.24 6.32 6.32 623,889
Jun 22, 2026 6.33 6.60 6.25 6.30 6.30 849,285
Jun 18, 2026 6.26 6.52 6.14 6.25 6.25 829,656
Jun 17, 2026 5.94 6.33 5.88 6.15 6.15 839,752
Jun 16, 2026 6.10 6.18 5.86 5.92 5.92 519,892
Jun 15, 2026 6.19 6.28 6.01 6.10 6.10 681,422
Jun 12, 2026 6.03 6.47 5.85 6.10 6.10 1,432,201
Jun 11, 2026 6.28 6.40 6.11 6.38 6.38 833,518
Jun 10, 2026 6.64 6.80 6.25 6.28 6.28 450,141
Jun 9, 2026 6.53 6.78 6.42 6.69 6.69 500,531
Jun 8, 2026 7.16 7.16 6.41 6.45 6.45 783,894
Jun 5, 2026 7.39 7.45 6.98 7.05 7.05 672,556
Jun 4, 2026 7.68 7.78 7.30 7.43 7.43 688,230
Jun 3, 2026 7.52 7.86 7.40 7.63 7.63 666,450
Jun 2, 2026 7.96 7.96 7.18 7.25 7.25 632,620
Jun 1, 2026 8.33 8.64 7.99 8.08 8.08 595,101
May 29, 2026 8.31 8.50 8.16 8.36 8.36 499,059
May 28, 2026 8.24 8.38 8.13 8.32 8.32 320,853
May 27, 2026 8.19 8.55 8.19 8.26 8.26 420,408
May 26, 2026 8.44 8.45 8.11 8.21 8.21 593,003
May 22, 2026 8.47 8.69 8.33 8.37 8.37 354,422
May 21, 2026 8.35 8.60 8.25 8.46 8.46 597,559
May 20, 2026 8.02 8.56 7.99 8.41 8.41 593,025
May 19, 2026 8.42 8.64 8.02 8.03 8.03 982,600
May 18, 2026 8.97 9.13 8.12 8.51 8.51 511,345
May 15, 2026 8.59 9.14 8.55 9.09 9.09 979,925
May 14, 2026 9.45 9.52 8.51 8.79 8.79 568,869
May 13, 2026 8.96 9.46 8.80 9.36 9.36 815,600
May 12, 2026 8.93 9.14 8.83 8.95 8.95 467,500
May 11, 2026 9.20 9.60 9.05 9.11 9.11 618,895
May 8, 2026 8.88 9.35 8.80 9.09 9.09 456,143
May 7, 2026 9.14 9.14 8.69 8.98 8.98 272,845
May 6, 2026 9.16 9.29 8.98 9.19 9.19 409,194
May 5, 2026 9.31 9.50 8.88 9.12 9.12 262,659
May 4, 2026 9.34 9.57 9.16 9.31 9.31 300,447
May 1, 2026 9.25 9.41 9.12 9.40 9.40 489,698
Apr 30, 2026 9.20 9.30 9.06 9.18 9.18 395,121
Apr 29, 2026 9.32 9.37 8.97 9.19 9.19 415,823
Apr 28, 2026 9.32 9.64 9.28 9.51 9.51 474,584
Apr 27, 2026 9.22 9.63 9.15 9.29 9.29 664,744
Apr 24, 2026 9.47 9.63 9.21 9.30 9.30 558,825
Apr 23, 2026 9.62 9.72 9.38 9.60 9.60 427,993
Apr 22, 2026 9.31 9.71 9.06 9.64 9.64 624,774
Apr 21, 2026 10.01 10.05 9.22 9.26 9.26 526,972
Apr 20, 2026 9.98 10.09 9.79 9.99 9.99 387,901
Apr 17, 2026 10.45 10.64 9.84 9.99 9.99 661,733
Apr 16, 2026 9.88 10.15 9.68 10.10 10.10 1,152,806
Apr 15, 2026 10.40 10.52 9.79 9.88 9.88 552,409
Apr 14, 2026 10.13 10.45 10.08 10.34 10.34 645,990
Apr 13, 2026 10.45 10.61 10.09 10.23 10.23 412,646
Apr 10, 2026 10.48 10.67 10.34 10.49 10.49 733,343
Apr 9, 2026 9.67 10.49 9.63 10.42 10.42 813,224
Apr 8, 2026 9.87 10.00 9.45 9.84 9.84 474,363
Apr 7, 2026 9.59 9.71 9.31 9.70 9.70 316,827
Apr 6, 2026 9.49 9.89 9.36 9.72 9.72 502,189
Apr 2, 2026 9.06 9.64 8.96 9.50 9.50 537,603
Apr 1, 2026 9.22 9.35 8.96 9.31 9.31 848,779
Mar 31, 2026 9.01 9.17 8.82 9.00 9.00 1,034,695
Mar 30, 2026 8.53 8.78 8.29 8.78 8.78 863,154
Mar 27, 2026 8.72 9.15 8.10 8.67 8.67 939,869
Mar 26, 2026 9.48 10.43 9.38 9.79 9.79 883,397
Mar 25, 2026 8.68 9.57 8.67 9.47 9.47 687,018
Mar 24, 2026 8.35 8.62 8.12 8.45 8.45 747,604
Mar 23, 2026 8.71 9.03 8.43 8.45 8.45 743,391
Mar 20, 2026 8.38 8.68 8.16 8.67 8.67 3,024,871
Mar 19, 2026 8.44 8.63 8.23 8.38 8.38 734,937
Mar 18, 2026 9.58 9.70 8.65 8.66 8.66 719,605
Mar 17, 2026 9.58 9.90 9.17 9.71 9.71 914,778
Mar 16, 2026 9.29 9.68 9.27 9.61 9.61 722,622
Mar 13, 2026 9.32 9.76 8.93 9.23 9.23 723,135
Mar 12, 2026 9.27 9.47 8.70 9.44 9.44 1,135,947
Mar 11, 2026 8.16 9.37 8.16 9.36 9.36 1,691,945
Mar 10, 2026 8.15 8.36 7.99 8.12 8.12 653,690
Mar 9, 2026 7.65 8.09 7.64 8.06 8.06 1,194,615
Mar 6, 2026 7.47 7.77 7.40 7.66 7.66 702,477
Mar 5, 2026 7.64 7.78 7.40 7.67 7.67 941,753
Mar 4, 2026 7.37 8.01 7.33 7.80 7.80 1,170,533
Mar 3, 2026 7.58 7.64 7.25 7.36 7.36 998,242
Mar 2, 2026 7.51 7.92 7.46 7.70 7.70 1,672,780
Feb 27, 2026 7.87 8.07 7.62 7.68 7.68 1,436,021
Feb 26, 2026 7.74 8.32 7.70 7.90 7.90 1,497,001
Feb 25, 2026 7.90 8.10 7.70 7.74 7.74 987,847
Feb 24, 2026 8.05 8.27 7.78 7.92 7.92 1,538,700
Feb 23, 2026 8.09 8.32 7.74 8.02 8.02 1,625,716
Feb 20, 2026 8.41 8.69 8.01 8.08 8.08 3,597,516
Feb 19, 2026 8.32 8.73 8.14 8.54 8.54 1,924,110
Feb 18, 2026 8.18 8.66 7.93 8.29 8.29 2,893,163
Feb 17, 2026 8.69 9.00 7.96 8.33 8.33 6,025,969
Feb 13, 2026 12.69 12.69 8.52 8.75 8.75 6,503,631
Feb 12, 2026 14.86 14.86 12.75 12.80 12.80 3,879,133
Feb 11, 2026 19.00 20.01 12.65 14.69 14.69 8,848,205
Feb 10, 2026 26.10 28.57 25.93 27.81 27.81 800,791
Feb 9, 2026 26.24 26.24 25.16 26.12 26.12 509,701
Feb 6, 2026 26.56 27.98 25.94 26.20 26.20 517,906
Feb 5, 2026 29.40 30.31 25.87 26.00 26.00 619,509
Feb 4, 2026 30.88 30.88 28.34 29.38 29.38 610,504
Feb 3, 2026 30.38 31.05 29.82 30.79 30.79 635,741
Feb 2, 2026 31.10 32.38 29.64 29.94 29.94 783,093
Jan 30, 2026 30.64 31.37 29.71 31.08 31.08 667,528
Jan 29, 2026 30.30 31.11 29.61 30.94 30.94 459,682
Jan 28, 2026 32.50 32.50 29.99 30.43 30.43 658,138
Jan 27, 2026 30.24 32.83 30.13 32.50 32.50 1,068,844
Jan 26, 2026 29.77 30.91 29.76 30.16 30.16 545,748
Jan 23, 2026 31.62 31.62 29.82 30.02 30.02 371,092
Jan 22, 2026 31.74 32.52 31.70 31.79 31.79 402,451
Jan 21, 2026 30.95 32.14 30.31 31.59 31.59 468,367
Jan 20, 2026 30.22 31.52 29.08 31.00 31.00 774,067
Jan 16, 2026 31.06 31.64 29.80 31.00 31.00 418,416
Jan 15, 2026 32.42 32.42 30.74 30.90 30.90 718,897
Jan 14, 2026 32.68 33.68 31.95 32.30 32.30 620,972
Jan 13, 2026 31.71 32.66 30.48 32.60 32.60 834,721
Jan 12, 2026 29.73 31.93 29.34 31.66 31.66 678,977
Jan 9, 2026 27.87 30.60 27.87 29.75 29.75 851,461
Jan 8, 2026 27.71 28.49 27.21 27.54 27.54 502,764
Jan 7, 2026 26.08 28.16 26.08 28.08 28.08 700,323
Jan 6, 2026 25.93 26.52 25.00 25.87 25.87 452,815
Jan 5, 2026 27.07 27.39 25.25 26.13 26.13 689,799
Jan 2, 2026 27.30 28.01 26.72 27.07 27.07 586,439
Dec 31, 2025 27.17 27.58 26.86 27.15 27.15 517,846
Dec 30, 2025 28.77 28.77 26.86 27.32 27.32 831,474
Dec 29, 2025 29.48 29.92 28.70 28.83 28.83 238,342
Dec 26, 2025 30.11 30.11 29.10 29.48 29.48 228,014
Dec 24, 2025 29.65 30.76 29.60 30.27 30.27 266,481
Dec 23, 2025 30.27 30.76 29.05 29.21 29.21 347,234
Dec 22, 2025 29.29 30.89 29.00 30.43 30.43 701,354
Dec 19, 2025 30.01 30.56 29.19 29.35 29.35 1,463,070
Dec 18, 2025 29.09 30.27 28.36 29.86 29.86 795,855
Dec 17, 2025 29.41 29.95 28.15 28.33 28.33 439,687
Dec 16, 2025 26.92 29.73 26.03 29.32 29.32 932,274
Dec 15, 2025 27.56 27.95 26.68 27.20 27.20 1,173,600
Dec 12, 2025 28.00 28.25 26.78 27.14 27.14 305,420
Dec 11, 2025 28.72 29.51 27.16 27.47 27.47 661,765
Dec 10, 2025 28.37 29.55 27.93 28.67 28.67 342,285
Dec 9, 2025 28.73 29.17 27.99 28.36 28.36 403,427
Dec 8, 2025 28.03 29.50 27.91 28.97 28.97 345,155
Dec 5, 2025 27.82 28.43 27.00 27.75 27.75 399,865
Dec 4, 2025 26.69 28.45 26.69 27.74 27.74 568,481
Dec 3, 2025 25.01 27.15 24.94 26.97 26.97 497,292
Dec 2, 2025 29.61 29.89 24.61 25.01 25.01 839,176
Dec 1, 2025 28.32 29.08 28.07 28.98 28.98 418,272
Nov 28, 2025 28.14 28.89 28.06 28.60 28.60 145,017
Nov 26, 2025 29.12 33.00 27.90 28.00 28.00 509,421
Nov 25, 2025 26.22 29.29 25.84 28.83 28.83 683,358
Nov 24, 2025 25.35 26.99 25.32 26.05 26.05 1,256,823
Nov 21, 2025 24.71 26.10 24.12 25.55 25.55 384,488
Nov 20, 2025 25.37 26.19 24.75 24.96 24.96 402,304
Nov 19, 2025 25.31 25.80 24.10 24.94 24.94 422,235
Nov 18, 2025 26.20 26.20 25.07 25.56 25.56 585,001
Nov 17, 2025 24.39 26.15 24.14 25.70 25.70 527,525
Nov 14, 2025 23.08 25.10 23.01 24.53 24.53 801,777
Nov 13, 2025 23.52 23.99 22.98 23.34 23.34 429,938
Nov 12, 2025 23.74 24.95 23.22 23.72 23.72 476,587
Nov 11, 2025 23.31 24.80 22.89 23.78 23.78 214,970
Nov 10, 2025 23.52 23.87 22.59 23.50 23.50 490,481
Nov 7, 2025 23.64 23.64 21.98 22.96 22.96 271,659
Nov 6, 2025 24.00 24.58 23.03 23.66 23.66 289,373
Nov 5, 2025 25.44 25.65 23.66 23.97 23.97 234,637
Nov 4, 2025 24.27 25.57 24.02 25.04 25.04 342,735
Nov 3, 2025 25.92 26.22 24.76 25.02 25.02 317,134
Oct 31, 2025 25.70 26.25 25.48 25.85 25.85 215,055
Oct 30, 2025 23.93 26.90 23.93 25.77 25.77 353,009
Oct 29, 2025 24.82 25.33 23.95 24.19 24.19 197,859
Oct 28, 2025 23.50 25.09 23.50 24.84 24.84 418,207
Oct 27, 2025 21.97 24.00 21.89 23.58 23.58 414,110
Oct 24, 2025 21.45 22.14 21.44 21.86 21.86 186,192
Oct 23, 2025 22.12 22.42 21.02 21.13 21.13 241,381
Oct 22, 2025 22.22 22.62 21.90 22.15 22.15 450,360
Oct 21, 2025 23.03 23.03 22.14 22.33 22.33 475,311
Oct 20, 2025 21.37 23.34 21.17 23.05 23.05 787,806
Oct 17, 2025 21.86 22.15 20.65 20.97 20.97 370,897
Oct 16, 2025 21.79 22.39 21.39 22.28 22.28 397,419
Oct 15, 2025 20.12 21.87 20.12 21.69 21.69 477,981
Oct 14, 2025 20.65 20.65 19.63 19.98 19.98 261,701
Oct 13, 2025 19.79 20.31 19.56 20.08 20.08 218,214
Oct 10, 2025 19.80 20.68 19.46 19.62 19.62 271,809
Oct 9, 2025 18.90 20.09 18.61 19.79 19.79 636,393
Oct 8, 2025 18.88 19.30 18.72 18.92 18.92 328,407
Oct 7, 2025 18.77 18.96 18.18 18.67 18.67 190,145
Oct 6, 2025 18.72 19.44 18.72 18.97 18.97 335,262
Oct 3, 2025 18.60 19.06 18.60 18.63 18.63 239,518
Oct 2, 2025 18.69 19.01 18.37 18.59 18.59 336,949
Oct 1, 2025 18.67 19.00 18.05 18.63 18.63 327,760
Sep 30, 2025 17.34 19.23 17.14 18.81 18.81 783,075
Sep 29, 2025 17.23 17.81 17.06 17.34 17.34 208,388
Sep 26, 2025 16.35 17.32 16.27 17.26 17.26 254,648
Sep 25, 2025 16.60 16.63 16.02 16.31 16.31 171,304
Sep 24, 2025 16.25 16.78 16.20 16.75 16.75 294,785
Sep 23, 2025 16.50 16.79 16.14 16.28 16.28 190,419
Sep 22, 2025 16.40 16.98 15.99 16.65 16.65 322,092

Open, high, low and close are the prices as traded. Adjusted close accounts for splits and dividends, and is what the chart and returns use. Where a company changed its ticker, its history under the old symbol is included.

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Upstream Bio, Inc. Common Stock Executive Compensation

We estimate that -- received a compensation of -- in --, making them the highest paid executive at UPB, per a recent SEC DEF 14A filing.



Name
Role
Salary
Bonus
Stock/Option Awards
Total Compensation