ALPN on NASDAQ

Alpine Immune Sciences

Alpine Immune Sciences is an American pharmaceutical company based in Boulder, incorporated in Delaware.1 Its shares trade on NASDAQ under the symbol ALPN.1

Price unavailable

Last updated Oct 21, 2026.

Overview

2015Founded1

Compare with Agios Pharmaceuticals, Rockwell Medical Inc. or Lexicon Pharmaceuticals, or pick any stock.

  • TickerALPN on NASDAQ1
  • Industrypharmaceutical industry1
  • HeadquartersBoulder, United States1
  • Websitewww.alpineimmunesciences.com
  • Legal formDelaware corporation1
  • Incorporated inDE4
  • Business address600 Stewart St., Ste. 1503, Seattle, Wa 981014
  • LEI5493000845S6RLSDWJ403
  • StatusActive3
  • LEI statusLapsed (not renewed)3
  • Registered addressC/O CORPORATION SERVICE COMPANY, 19808 Wilmington, United States3
  • Registered withDivision of Corporations, Department of State, 43212113

Financials

From the company’s reports to the SEC. Every number links to the filing it came from.

Key numbers, fiscal 2023

-75.2%Operating margin5
-54.7%Net margin5
95.8%Revenue growth, 20235
-9.8%Return on equity5
-$79.5MFree cash flow5

Where the money goes

Where each dollar of revenue went, fiscal 2023

  • Research and development100¢$80.9M
  • Interest0¢$98.0K
  • Income tax0¢$103.0K

Out of $58.9M in revenue.5 The company lost money this year.

Financial statements

Revenue67895$58.9M in 2023+3301% since 2017
0$20.0M$40.0M$60.0M2017: $1.7M$1.7M20172018: $705.0K$705.0K2018−59%2019: $1.7M$1.7M2019+147%2020: $9.3M$9.3M2020+436%2021: $23.4M$23.4M2021+151%2022: $30.1M$30.1M2022+28%2023: $58.9M$58.9M2023+96%
Operating income67895-$44.2M in 2023+196% since 2017
-$60.0M-$40.0M-$20.0M02017: -$15.0M-$15.0M20172018: -$37.8M-$37.8M2018+153%2019: -$43.6M-$43.6M2019+15%2020: -$28.7M-$28.7M2020−34%2021: -$49.9M-$49.9M2021+73%2022: -$58.1M-$58.1M2022+17%2023: -$44.2M-$44.2M2023−24%
Net income67895-$32.2M in 2023+314% since 2017
-$60.0M-$40.0M-$20.0M02017: -$7.8M-$7.8M20172018: -$36.5M-$36.5M2018+369%2019: -$41.9M-$41.9M2019+15%2020: -$27.9M-$27.9M2020−33%2021: -$50.3M-$50.3M2021+80%2022: -$57.8M-$57.8M2022+15%2023: -$32.2M-$32.2M2023−44%
Fiscal year2017201820192020202120222023
Revenue$1.7M6$705.0K7$1.7M8$9.3M9$23.4M5$30.1M5$58.9M5
Research and development$10.6M6$29.0M7$35.8M8$27.2M9$58.7M5$70.2M5$80.9M5
Operating expenses$73.3M5$88.2M5$103.1M5
Operating income-$15.0M6-$37.8M7-$43.6M8-$28.7M9-$49.9M5-$58.1M5-$44.2M5
Interest$152.0K6$319.0K7$338.0K8$775.0K9$816.0K5$476.0K5$98.0K5
Income before tax-$50.4M5-$55.4M5-$32.1M5
Income tax-$200.0K6-$366.0K7$08-$6.0K9-$87.0K5$2.3M5$103.0K5
Net income-$7.8M6-$36.5M7-$41.9M8-$27.9M9-$50.3M5-$57.8M5-$32.2M5
Earnings per share-$2.288-$1.349-$1.985-$1.735-$0.645
Earnings per share (diluted)-$2.288-$1.349-$1.985-$1.735-$0.645
Shares (weighted, basic)25.5M shares533.4M shares550.0M shares5
Shares (weighted, diluted)25.5M shares533.4M shares550.0M shares5

Compare Alpine Immune Sciences with another company

Corporate structure

Alpine Immune Sciences sits at the top of its group. 1 entity, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Major holders of Alpine Immune Sciences

  • Alpine Immune Sciences Boulder, Colorado, United States

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

Leadership

Who has led Alpine Immune Sciences, and when. Pick a name to see everywhere that person has worked.

Board members and other officers (28)

Timeline

  1. May 20, 20248-K Ended a material agreement; Completed an acquisition or sale; Listing notice or transfer46
  2. May 9, 20248-K Results of operations; Regulation FD disclosure47
  3. Apr 10, 20248-K Entered a material agreement; Other events48
  4. Apr 5, 20248-K Executive or director change49
  5. Mar 18, 20248-K Results of operations; Regulation FD disclosure50
  6. Feb 7, 20248-K Unregistered sale of shares; Other events51
  7. Jan 5, 20248-K Executive or director change52
  8. Dec 21, 20238-K Entered a material agreement53
  9. Nov 14, 20238-K Results of operations; Regulation FD disclosure54
  10. Nov 8, 20238-K Entered a material agreement; Other events55
  11. Nov 6, 20238-K Results of operations56
  12. Nov 2, 20238-K Other events57
  13. Jul 26, 2017New chief executive Mitchell Gold becomes CEO14
  14. Jun 16, 2015New chief executive Jon Congleton becomes CEO15
  15. 2015Founded Founded1

Calendar

When it reported results

  1. May 9, 2024Reported quarterly or annual results47
  2. Mar 18, 2024Reported quarterly or annual results50
  3. Nov 14, 2023Reported quarterly or annual results54
  4. Nov 6, 2023Reported quarterly or annual results56
  5. Aug 14, 2023Reported quarterly or annual results58
  6. May 11, 2023Reported quarterly or annual results59
  7. Mar 23, 2023Reported quarterly or annual results60
  8. Nov 14, 2022Reported quarterly or annual results61

Drug trials and FDA: recently

  1. Aug 12, 2026Phase 1/2 trial completed Phase 1/2 trial of Povetacicept in Idiopathic Thrombocytopenic Purpura: primary completion Aug 12, 2026, no results posted yet (ClinicalTrials.gov NCT05757570).62

Upcoming dates from Nasdaq's calendar; past results from the company's 8-K filings (Item 2.02). Trials from ClinicalTrials.gov, as the sponsor registered them (expected dates are the sponsor's own and often move); approvals and advisory committee meetings from the FDA. The FDA does not publish its decision (PDUFA) dates. The full markets calendar

Filings

232 filings to the SEC since October 2021: 4 annual reports, 8 quarterly reports, 33 major events, 83 insider forms, 39 large holders, 65 other. The latest 20:

  1. Nov 14, 2024SC 13G/A EDGAR
  2. May 30, 202415-12G EDGAR
  3. May 23, 2024EFFECT EDGAR
  4. May 23, 2024EFFECT EDGAR
  5. May 21, 2024SC 13D/A EDGAR
  6. May 21, 2024SC 13D/A EDGAR
  7. May 20, 20244 EDGAR
  8. May 20, 20244 EDGAR
  9. May 20, 20244 EDGAR
  10. May 20, 20244 EDGAR
  11. May 20, 20244 EDGAR
  12. May 20, 20244 EDGAR
  13. May 20, 20244 EDGAR
  14. May 20, 20244 EDGAR
  15. May 20, 20244 EDGAR
  16. May 20, 20244 EDGAR
  17. May 20, 20244 EDGAR
  18. May 20, 20244 EDGAR
  19. May 20, 2024S-8 POS EDGAR
  20. May 20, 2024S-8 POS EDGAR

The 232 filings since October 2021 can be filtered by form type and year here when JavaScript is on.

Every filing from the last five years, summarized. The full record is on SEC EDGAR.

Major holders

Investors who own more than 5% of the shares must tell the SEC: a 13D if they may seek to influence the company, a 13G if they hold passively.

SEC filer profile

How Alpine Immune Sciences is registered with the Securities and Exchange Commission, from its EDGAR record and the cover page of its latest annual report.

  • Name on EDGARAlpine Immune Sciences, Inc.2
  • CIK0001632083
  • Employer ID (EIN)47-26676412
  • Incorporated inDelaware2
  • Fiscal year endsDecember 312
  • Business address600 Stewart St., Ste. 1503, Seattle, WA 981012
  • Phone(206)441-50642
  • On EDGAR sinceFeb 5, 20152
  • Filings4 in all: D (3), D/A (1)2

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 12
  13. 13
  14. 14
  15. 15
  16. 16
  17. 17
  18. 18
  19. 19
  20. 20
  21. 21
  22. 22
  23. 23
  24. 24
  25. 25
  26. 26
  27. 27
  28. 28
  29. 29
  30. 30
  31. 31
  32. 32
  33. 33
  34. 34
  35. 35
  36. 36
  37. 37
  38. 38
  39. 39
  40. 40
  41. 41
  42. 42
  43. 43
  44. 44
  45. 45
  46. 46
  47. 47
  48. 48
  49. 49
  50. 50
  51. 51
  52. 52
  53. 53
  54. 54
  55. 55
  56. 56
  57. 57
    SEC EDGAROther events
  58. 58
  59. 59
  60. 60
  61. 61
  62. 62
  63. 63
  64. 64
  65. 65
  66. 66
  67. 67
  68. 68
  69. 69
  70. 70
  71. 71
  72. 72
  73. 73
  74. 74
  75. 75
  76. 76