Private company

Aptinyx Inc.

American pharmaceutical preparations company, incorporated in Delaware1

In its 2023 annual report the company says: “We are a clinical-stage biopharmaceutical company focused on the discovery, development, and commercialization of novel, proprietary, synthetic small molecules for the treatment of brain and nervous system disorders. We focus our efforts on targeting and modulating N-methyl-D-aspartate receptors, or NMDArs, which are vital to normal and effective function of the brain and nervous system.”51 It is headquartered in Evanston, Illinois.1

Last updated Oct 21, 2026.

Overview

  • IndustryPharmaceutical Preparations1
  • HeadquartersEvanston, Illinois1
  • Incorporated inDE2
  • Business address1801 Maple Avenue, Suite 4300, Evanston, Il 602012
  • Filer category, Emerging growth company2

Financials

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

Key numbers, fiscal 2021

-7453.4%Operating margin3
-7488.6%Net margin3
-36.1%Revenue growth, 20213
-79.0%Return on equity3
0.15×Debt to equity3

Where the money goes

Where each dollar of revenue went, fiscal 2021

  • Research and development100¢$55.4M

Out of $1.0M in revenue.34 The company lost money this year.

Financial statements

Revenue56743$1.0M in 2021−80% since 2017
0$2.0M$4.0M$6.0M$8.0M2017: $5.0M$5.0M20172018: $6.6M$6.6M2018+32%2019: $3.7M$3.7M2019−44%2020: $1.6M$1.6M2020−57%2021: $1.0M$1.0M2021−36%
Operating income56743-$74.5M in 2021+131% since 2017
-$80.0M-$60.0M-$40.0M-$20.0M02017: -$32.2M-$32.2M20172018: -$54.9M-$54.9M2018+70%2019: -$59.6M-$59.6M2019+9%2020: -$50.8M-$50.8M2020−15%2021: -$74.5M-$74.5M2021+47%
Net income56743-$74.9M in 2021+134% since 2017
-$80.0M-$60.0M-$40.0M-$20.0M02017: -$32.1M-$32.1M20172018: -$53.3M-$53.3M2018+66%2019: -$57.4M-$57.4M2019+8%2020: -$50.1M-$50.1M2020−13%2021: -$74.9M-$74.9M2021+50%
Fiscal year201620172018201920202021
Revenue$5.0M5$6.6M6$3.7M7$1.6M4$1.0M3
Research and development$31.6M5$48.8M6$44.3M7$32.8M4$55.4M3
Operating expenses$75.5M3
Operating income-$32.2M5-$54.9M6-$59.6M7-$50.8M4-$74.5M3
Income tax$05$06$07$04
Net income-$32.1M5-$53.3M6-$57.4M7-$50.1M4-$74.9M3
Earnings per share-$1.024-$1.113
Earnings per share (diluted)-$1.024-$1.113
Shares (weighted, basic)67.2M shares3
Shares (weighted, diluted)67.2M shares3

Compare Aptinyx Inc. with another company

Corporate structure

Aptinyx Inc. 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 Aptinyx Inc.

  • Aptinyx Inc. Evanston, Illinois

Built from major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

What it owns

What Aptinyx Inc. reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.

Property and equipment

ItemLatestA year beforeChange
Accumulated depreciation$1.5M3 Dec 31, 2022$1.3M3 Dec 31, 2021+11.4%
Property and equipment, net$32.0K3 Dec 31, 2022$185.0K3 Dec 31, 2021−82.7%
Operating-lease assets (leased space)$305.0K3 Dec 31, 2022

Real estate and locations

ItemLatestA year beforeChange
Area of real estate22,672 sq ft3 Apr 6, 20226,172 sq ft3 Jul 18, 2018+267.3%

Investments

ItemLatestA year beforeChange
Cash and cash equivalents$56.2M3 Dec 31, 2022$106.1M3 Dec 31, 2021−47.0%

Leadership

Who has led Aptinyx Inc., and when. Pick a name to see everywhere that person has worked.

Board members and other officers (15)

Timeline

  1. Dec 21, 20238-K Other events28
  2. Dec 18, 20238-K Other events29
  3. Jul 3, 20238-K Executive or director change; Shareholder vote30
  4. May 11, 20238-K Listing notice or transfer31
  5. May 5, 20238-K Executive or director change; Other events32
  6. Apr 25, 20238-K Ended a material agreement33
  7. Apr 18, 20238-K Executive or director change34
  8. Mar 30, 20238-K Results of operations35
  9. Mar 1, 20238-K Exit or restructuring costs36
  10. Feb 27, 20238-K Other events37
  11. Dec 8, 20228-K Listing notice or transfer38
  12. Dec 1, 20228-K Executive or director change39
  13. Jun 20, 2018New chief executive Norbert G. Riedel becomes CEO11

Calendar

When it reported results

  1. Mar 30, 2023Reported quarterly or annual results35
  2. Nov 8, 2022Reported quarterly or annual results40
  3. Aug 4, 2022Reported quarterly or annual results41
  4. May 12, 2022Reported quarterly or annual results42
  5. Mar 23, 2022Reported quarterly or annual results43
  6. Nov 9, 2021Reported quarterly or annual results44

Upcoming dates from Nasdaq's calendar; past results from the company's 8-K filings (Item 2.02). The full markets calendar

Filings

84 filings to the SEC since October 2021: 3 annual reports, 5 quarterly reports, 28 major events, 21 insider forms, 11 large holders, 16 other. The latest 20:

  1. Feb 9, 2024SC 13G/A EDGAR
  2. Dec 21, 20238-K EDGAR
  3. Dec 18, 20238-K EDGAR
  4. Jul 3, 20238-K EDGAR
  5. Jun 27, 2023SC 13D/A EDGAR
  6. Jun 2, 2023DEF 14A EDGAR
  7. May 24, 2023S-8 POS EDGAR
  8. May 24, 2023S-8 POS EDGAR
  9. May 24, 2023S-8 POS EDGAR
  10. May 24, 2023S-8 POS EDGAR
  11. May 24, 2023RW EDGAR
  12. May 23, 2023PRE 14A EDGAR
  13. May 18, 202310-Q EDGAR
  14. May 15, 2023NT 10-Q EDGAR
  15. May 11, 20238-K EDGAR
  16. May 5, 20238-K EDGAR
  17. Apr 28, 202310-K/A EDGAR
  18. Apr 25, 20238-K EDGAR
  19. Apr 18, 20238-K EDGAR
  20. Mar 30, 202310-K EDGAR

The 84 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.

Insider trades

7 open-market trades by officers, directors and large owners since October 2021: 7 buys and 0 sales. Grants, option exercises and gifts are left out.

DateWhoTradeSharesPriceValueFiling
Jan 13, 2022Miller Joan W.DirectorBuy17,700$2.83$50.1KForm 4
Dec 6, 2021RIEDEL NORBERT GEXECUTIVE CHAIRMAN OF THE BODBuy100,000$2.23$223.0KForm 4
Dec 2, 2021KHANNA ASHISHCFO AND CBOBuy45,000$2.26$101.7KForm 4
Nov 12, 2021HOMBACH ROBERT J.DirectorBuy74,600$2.40$179.0KForm 4
Nov 12, 2021HOMBACH ROBERT J.DirectorBuy74,600$2.40$179.0KForm 4
Nov 11, 2021HOMBACH ROBERT J.DirectorBuy5,400$2.40$13.0KForm 4
Nov 11, 2021HOMBACH ROBERT J.DirectorBuy5,400$2.40$13.0KForm 4

From Forms 4 filed with the SEC.

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 Aptinyx Inc. is registered with the Securities and Exchange Commission, from its EDGAR record and the cover page of its latest annual report.

  • Name on EDGARAptinyx Inc.1
  • CIK0001674365
  • Employer ID (EIN)47-46260571
  • Filer status<br>emerging growth company1
  • Incorporated inDelaware1
  • Fiscal year endsDecember 311
  • Industry code (SIC)2834 Pharmaceutical Preparations1
  • SEC reviewing officeOffice of Life Sciences, Division of Corporation Finance1
  • Business address1801 Maple Avenue, Suite 4300, Evanston, IL 602011
  • Mailing address909 Davis Street, Suite 600, Evanston, IL 602011
  • Phone847-871-03771
  • Shares outstanding67,715,718 as of May 15, 202310
  • Public float$38 as of Jun 30, 202250
  • On EDGAR sinceMay 19, 20161
  • Filings348 in all: 4 (150), 8-K (66), 3 (22), 10-Q (15), SC 13D/A (12), SC 13G/A (8), 424B5 (7), 10-K (5)1
    All 37 form types

    CORRESP (5), DEF 14A (5), SC 13D (5), DEFA14A (4), S-8 (4), S-8 POS (4), SC 13G (4), 4/A (3), 8-K/A (3), EFFECT (3), UPLOAD (3), D (2), S-3 (2), 10-K/A (1), 25-NSE (1), 424B4 (1), 8-A12B (1), CERT (1), CT ORDER (1), DEFR14A (1), DRS (1), DRS/A (1), DRSLTR (1), NT 10-Q (1), PRE 14A (1), RW (1), S-1 (1), S-1/A (1), S-1MEF (1)

  • Latest filingsAnnual report (10-K) Mar 30, 2023
    Quarterly report (10-Q) May 18, 2023
    Proxy statement (DEF 14A) Jun 2, 2023
    Latest 8-K (8-K) Dec 21, 2023

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
    SEC EDGAROther events
  29. 29
    SEC EDGAROther events
  30. 30
  31. 31
  32. 32
  33. 33
  34. 34
  35. 35
  36. 36
  37. 37
    SEC EDGAROther events
  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