Passage BIO (PASG) Stock Analysis & Price (Updated Oct 16, 2026, 4:00 PM ET)
Updated Oct 16, 2026, 4:00 PM ET
- Closed at $3.50, -2.78% vs the prior close of $3.60.
- Volume 16.80K shares, 0.8x its 50-day average.
- No new SEC filings since the prior session.
- No new insider buys or sales reported since the prior session.
PASG dips 2.8% to $3.50, a 52-week low. Closed at $3.50, -2.78% vs the prior close of $3.60. Day range $3.37β$3.76, opened at $3.61.
PASG daily analysis β what happened
A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.
Oct 16, 2026 β PASG dips 2.8% to $3.50, a 52-week low
- Closed at $3.50, -2.78% vs the prior close of $3.60. Day range $3.37β$3.76, opened at $3.61.
- Volume was 16.80K shares, 0.8x its 50-day average of 21.39K.
- Price is -21.9% vs its 50-day average ($4.48) and -49.2% vs its 200-day average ($6.88).
- 52-week range $3.29β$20.00; today's close sits at 1% of that range, 82.5% below the 52-week high.
Oct 15, 2026 β PASG dips 1.6% to $3.60, a 52-week low
- Closed at $3.60, -1.64% vs the prior close of $3.66. Day range $3.60β$3.92, opened at $3.60.
- Volume was 15.90K shares, 0.7x its 50-day average of 21.31K.
- Price is -20.0% vs its 50-day average ($4.50) and -48.0% vs its 200-day average ($6.92).
- 52-week range $3.29β$20.00; today's close sits at 2% of that range, 82.0% below the 52-week high.
Oct 14, 2026 β PASG rises 0.5% to $3.66
- Closed at $3.66, +0.55% vs the prior close of $3.64. Day range $3.62β$3.93, opened at $3.64.
- Volume was 7.80K shares, 0.4x its 50-day average of 21.92K β lighter than usual.
- Price is -19.0% vs its 50-day average ($4.52) and -47.4% vs its 200-day average ($6.96).
- 52-week range $3.29β$20.00; today's close sits at 2% of that range, 81.7% below the 52-week high.
Oct 13, 2026 β PASG slides 20.0% to $3.64, a 52-week low
- Closed at $3.64, -20.00% vs the prior close of $4.55. Day range $3.63β$4.46, opened at $4.46.
- Volume was 14.20K shares, 0.7x its 50-day average of 21.78K.
- Price is -19.8% vs its 50-day average ($4.54) and -48.0% vs its 200-day average ($6.99).
- 52-week range $3.29β$20.00; today's close sits at 2% of that range, 81.8% below the 52-week high.
Oct 12, 2026 β PASG jumps 23.3% to $4.55 on 3.7x normal volume
- Closed at $4.55, +23.31% vs the prior close of $3.69. Day range $3.60β$4.55, opened at $3.61.
- Volume was 75.20K shares, 3.7x its 50-day average of 20.37K β unusually heavy trading.
- Price is -0.1% vs its 50-day average ($4.56) and -35.3% vs its 200-day average ($7.03).
- 52-week range $3.29β$20.00; today's close sits at 8% of that range, 77.2% below the 52-week high.
Oct 9, 2026 β PASG dips 2.4% to $3.69, a 52-week low, 12 down days in a row
- Closed at $3.69, -2.38% vs the prior close of $3.78. Day range $3.61β$3.83, opened at $3.83.
- Volume was 12.10K shares, 0.6x its 50-day average of 20.23K β lighter than usual.
- Price is -19.0% vs its 50-day average ($4.55) and -47.7% vs its 200-day average ($7.06).
- 52-week range $3.29β$20.00; today's close sits at 2% of that range, 81.5% below the 52-week high.
- That makes 12 straight losses.
Oct 8, 2026 β PASG dips 1.9% to $3.78, a 52-week low, 11 down days in a row
- Closed at $3.78, -1.95% vs the prior close of $3.86. Day range $3.62β$3.83, opened at $3.77.
- Volume was 15.80K shares, 0.8x its 50-day average of 20.12K.
- Price is -17.3% vs its 50-day average ($4.57) and -46.7% vs its 200-day average ($7.09).
- 52-week range $3.29β$20.00; today's close sits at 3% of that range, 81.1% below the 52-week high.
- That makes 11 straight losses.
Oct 7, 2026 β PASG slides 5.5% to $3.86, a 52-week low, 10 down days in a row
- Closed at $3.86, -5.51% vs the prior close of $4.08. Day range $3.76β$4.05, opened at $4.00.
- Volume was 14.10K shares, 0.7x its 50-day average of 20.13K.
- Price is -15.9% vs its 50-day average ($4.58) and -45.8% vs its 200-day average ($7.12).
- 52-week range $3.29β$20.00; today's close sits at 3% of that range, 80.7% below the 52-week high.
- That makes 10 straight losses.
Oct 6, 2026 β PASG ends flat (-0.2%) to $4.08, a 3-month low, 9 down days in a row
- Closed at $4.08, -0.24% vs the prior close of $4.09. Day range $4.08β$4.29, opened at $4.13.
- Volume was 6.60K shares, 0.3x its 50-day average of 20.59K β lighter than usual.
- Price is -11.3% vs its 50-day average ($4.60) and -42.9% vs its 200-day average ($7.15).
- 52-week range $3.29β$20.00; today's close sits at 5% of that range, 79.6% below the 52-week high.
- That makes 9 straight losses.
Oct 5, 2026 β PASG dips 0.7% to $4.09, a 3-month low, 8 down days in a row
- Closed at $4.09, -0.73% vs the prior close of $4.12. Day range $4.05β$4.19, opened at $4.05.
- Volume was 17.90K shares, 0.8x its 50-day average of 22.14K.
- Price is -11.3% vs its 50-day average ($4.61) and -43.0% vs its 200-day average ($7.17).
- 52-week range $3.29β$20.00; today's close sits at 5% of that range, 79.5% below the 52-week high.
- That makes 8 straight losses.
Oct 2, 2026 β PASG dips 1.9% to $4.12, a 3-month low, 7 down days in a row
- Closed at $4.12, -1.93% vs the prior close of $4.20. Day range $4.11β$4.44, opened at $4.29.
- Volume was 17.00K shares, 0.8x its 50-day average of 21.84K.
- Price is -11.0% vs its 50-day average ($4.63) and -42.8% vs its 200-day average ($7.20).
- 52-week range $3.29β$20.00; today's close sits at 5% of that range, 79.4% below the 52-week high.
- That makes 7 straight losses.
PASG latest news & SEC filings
Every SEC filing by or about PASG in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.
Oct 9, 2026 Β· Form EFFECT β EFFECT filing
EFFECT filing
Oct 9, 2026 Β· Form 424B3 β Prospectus / supplement for an offering or resale
Prospectus / supplement for an offering or resale
An offering document: new shares or debt may be sold, which can increase the share count (dilution) or debt load. Size and terms are in the prospectus.
Sep 21, 2026 Β· Form S-4/A β S-4/A filing
S-4/A filing
Sep 3, 2026 Β· Form 8-K β Major event / current report
Current report β a filing companies must make within 4 business days of a major event
- Item 1.01 β Signed a material agreement.
- Item 3.02 β Sold unregistered shares.
Aug 14, 2026 Β· Form SCHEDULE 13G/A β Update to a passive 5%+ stake (13G)
Update to a passive 5%+ stake (13G)
Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.
Aug 10, 2026 Β· Form 10-Q β Quarterly report
Quarterly report (unaudited financial statements for the quarter)
Quarter ended Jun 30, 2026:
- Net income: -$7.82M (prior year -$9.38M) (loss narrowed vs Jun 30, 2025)
- Diluted EPS: -$2.44 (prior year -$2.96) (loss narrowed vs Jun 30, 2025)
Jul 2, 2026 Β· Form SCHEDULE 13D β Activist-style stake (13D)
Activist-style stake (13D) β an investor reported owning more than 5%
Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.
Jun 29, 2026 Β· Form 4 β Insider trade
Insider trade report (Form 4) β a director, officer or 10%+ owner changed their holdings
- Nichols Weston bought 50,055 shares at $4.12 (β$206.23K) on Jun 25, 2026
- Nichols Weston bought 50,055 shares at $4.12 (β$206.23K) on Jun 25, 2026
- Lynx1 Capital Management Lp bought 50,055 shares at $4.12 (β$206.23K) on Jun 25, 2026
- Lynx1 Capital Management Lp bought 50,055 shares at $4.12 (β$206.23K) on Jun 25, 2026
- Nichols Weston bought 50,055 shares at $4.12 (β$206.23K) on Jun 25, 2026
- Nichols Weston bought 50,055 shares at $4.12 (β$206.23K) on Jun 25, 2026
- β¦plus 2 more transaction lines in the filing.
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Jun 25, 2026 Β· Form SCHEDULE 13G β Passive stake (13G)
Passive stake (13G) β an investor reported owning more than 5%
Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.
Things to know before you trade PASG
- Last results release: Mar 3, 2026 (8-K Item 2.02). Previous ones: Jan 12, 2026, Nov 10, 2025, Aug 12, 2025. Based on that rhythm, the next report is likely around Jun 2, 2026 β an estimate, not a confirmed date.
- How much it moves: over the last 20 sessions the average daily move was 4.16% (largest 23.3%). That is a volatile stock.
- Liquidity: about 23.63K shares (β$82.71K) trade per day on average. Thin volume can mean wider bid/ask spreads.
- 52-week position: $3.50 vs a range of $3.29β$20.00 (1% of the range).
- Dividends: no cash dividends in the last 2 years.
- Splits: 1:20 on Jul 14, 2025
- Insider trades (Form 4, last 12 months, recent 25 shown): 8 open-market buys, 8 sales; latest: Weston Nichols bought 50,055 shares on Jun 25, 2026.
- Latest filings: 8-K Sep 3, 2026; 10-Q Aug 10, 2026; 8-K Jun 24, 2026.
- Share count: 3.22M shares outstanding (Aug 5, 2026), +1.2% vs a year earlier.
- Listing: Nasdaq Β· industry: Biological Products, (No Diagnostic Substances).
PASG market data (last 20 sessions)
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 16, 2026 | 3.61 | 3.76 | 3.37 | 3.50 | 16.80K |
| Oct 15, 2026 | 3.60 | 3.92 | 3.60 | 3.60 | 15.90K |
| Oct 14, 2026 | 3.64 | 3.93 | 3.62 | 3.66 | 7.80K |
| Oct 13, 2026 | 4.46 | 4.46 | 3.63 | 3.64 | 14.20K |
| Oct 12, 2026 | 3.61 | 4.55 | 3.60 | 4.55 | 75.20K |
| Oct 9, 2026 | 3.83 | 3.83 | 3.61 | 3.69 | 12.10K |
| Oct 8, 2026 | 3.77 | 3.83 | 3.62 | 3.78 | 15.80K |
| Oct 7, 2026 | 4.00 | 4.05 | 3.76 | 3.86 | 14.10K |
| Oct 6, 2026 | 4.13 | 4.29 | 4.08 | 4.08 | 6.60K |
| Oct 5, 2026 | 4.05 | 4.19 | 4.05 | 4.09 | 17.90K |
| Oct 2, 2026 | 4.29 | 4.44 | 4.11 | 4.12 | 17.00K |
| Oct 1, 2026 | 4.50 | 4.73 | 4.20 | 4.20 | 26.50K |
| Sep 30, 2026 | 4.59 | 4.67 | 4.37 | 4.50 | 28.90K |
| Sep 29, 2026 | 4.61 | 4.88 | 4.61 | 4.63 | 24.80K |
| Sep 28, 2026 | 4.79 | 5.07 | 4.52 | 4.68 | 18.60K |
| Sep 25, 2026 | 4.78 | 4.85 | 4.61 | 4.80 | 8.70K |
| Sep 24, 2026 | 4.96 | 5.03 | 4.78 | 4.80 | 6.60K |
| Sep 23, 2026 | 4.86 | 5.05 | 4.82 | 5.00 | 3.40K |
| Sep 22, 2026 | 4.89 | 4.95 | 4.73 | 4.95 | 24.10K |
| Sep 21, 2026 | 4.76 | 4.83 | 4.66 | 4.83 | 117.60K |
About Passage BIO
Passage BIO (PASG) is listed on the Nasdaq and classified by the SEC under βBiological Products, (No Diagnostic Substances)β. Its business address is in PHILADELPHIA, PA. State of incorporation: DE. Fiscal year ends December 31. SEC CIK 1787297.
PASG board of directors & executives
From SEC Form 3/4/5 insider filings made in the last 12 months (date = latest filing).
Directors
| Name | Role | Latest filing |
|---|---|---|
| William Chou | PRESIDENT AND CEO | Mar 18, 2026 |
| Athena Countouriotis | Director | May 21, 2026 |
| Maxine Gowen | Director | May 21, 2026 |
| Sandip Kapadia | Director | May 21, 2026 |
| Thomas Richard Kassberg | Director | May 21, 2026 |
| Derrell Porter | Director | May 21, 2026 |
| Dolan Sondhi | Director | May 21, 2026 |
Executive officers
| Name | Title | Latest filing |
|---|---|---|
| Kathleen Borthwick | CFO | Mar 18, 2026 |
| William Chou | PRESIDENT AND CEO | Mar 18, 2026 |
Recent insider buys & sales
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 25, 2026 | Weston Nichols | Buy | 50,055 | $4.12 |
| Jun 25, 2026 | Weston Nichols | Buy | 50,055 | $4.12 |
| Jun 25, 2026 | Capital Management Lp Lynx1 | Buy | 50,055 | $4.12 |
| Jun 25, 2026 | Capital Management Lp Lynx1 | Buy | 50,055 | $4.12 |
| Jun 25, 2026 | Weston Nichols | Buy | 50,055 | $4.12 |
| Jun 25, 2026 | Weston Nichols | Buy | 50,055 | $4.12 |
| Jun 25, 2026 | Capital Management Lp Lynx1 | Buy | 50,055 | $4.12 |
| Jun 25, 2026 | Capital Management Lp Lynx1 | Buy | 50,055 | $4.12 |
| Jan 8, 2026 | Kathleen Borthwick | Sale | 2,062 | $18.44 |
| Jan 8, 2026 | Kathleen Borthwick | Sale | 2,062 | $18.44 |
| Jan 8, 2026 | Kathleen Borthwick | Sale | 2,062 | $18.44 |
| Jan 8, 2026 | Kathleen Borthwick | Sale | 2,062 | $18.44 |
| Jan 8, 2026 | William Chou | Sale | 4,076 | $18.44 |
| Jan 8, 2026 | William Chou | Sale | 4,076 | $18.44 |
| Jan 8, 2026 | William Chou | Sale | 4,076 | $18.44 |
PASG financials (annual, from XBRL filings)
| Fiscal year end | Revenue | Net income | Diluted EPS | Operating cash flow |
|---|---|---|---|---|
| Dec 31, 2025 | β | $-45.52M | -14.35 | $-31.51M |
| Dec 31, 2024 | β | $-64.77M | -21.04 | $-47.96M |
| Dec 31, 2023 | β | $-102.06M | -1.86 | $-78.26M |
| Dec 31, 2022 | β | $-136.12M | -2.50 | $-118.21M |
| Dec 31, 2021 | β | $-185.39M | -3.48 | $-126.88M |
Latest balance sheet: total assets $25.18M, total liabilities $20.72M, cash $24.16M (as of Jun 30, 2026).
PASG earnings / results-day log
| Date | Filing | Close that day |
|---|---|---|
| Mar 3, 2026 | 8-K Item 2.02 (results) | $8.00 |
| Jan 12, 2026 | 8-K Item 2.02 (results) | $17.91 |
| Nov 10, 2025 | 8-K Item 2.02 (results) | $6.70 |
| Aug 12, 2025 | 8-K Item 2.02 (results) | $5.61 |
| May 13, 2025 | 8-K Item 2.02 (results) | $5.90 |
| Mar 4, 2025 | 8-K Item 2.02 (results) | $8.50 |
| Jan 10, 2025 | 8-K Item 2.02 (results) | $13.40 |
| Nov 13, 2024 | 8-K Item 2.02 (results) | $11.64 |
| Aug 8, 2024 | 8-K Item 2.02 (results) | β |
| Aug 1, 2024 | 8-K Item 2.02 (results) | β |
| May 14, 2024 | 8-K Item 2.02 (results) | β |
| Mar 4, 2024 | 8-K Item 2.02 (results) | β |
Related stocks Β· Biological Products, (No Diagnostic Substances)
Moderna (MRNA)Amgen (AMGN)Gilead Sciences (GILD)Twist Bioscience (TWST)Revolution Medicines (RVMD)Argenx Se (ARGX)Kodiak Sciences (KOD)Greenland Mines (GRML)Halozyme Therapeutics (HALO)Biogen (BIIB)
Popular today
Spdr S&P 500 Etf (SPY)Micron Technology (MU)Nvidia (NVDA)Meta Platforms (META)Sandisk (SNDK)AMD (AMD)Space Exploration Technologies (SPCX)Tesla (TSLA)Apple (AAPL)Intel (INTC)Microsoft (MSFT)Amazon (AMZN)
More on PASG
Information only, not investment advice. BuyMeWhiskey is not a registered investment adviser or broker-dealer; nothing here is a recommendation to buy, sell or hold any security, and there are no price targets. Data comes from SEC EDGAR filings and public end-of-day market data and may be delayed or contain errors. Verify with the company's filings before making decisions. Prices: end-of-day data as of Oct 16, 2026, 4:00 PM ET. Filings: SEC EDGAR. Updated after every US trading day.