# Impel Pharmaceuticals Inc. (IMPL)

Source: https://www.quantisnow.com/company/IMPL
Generated: 2026-11-09T17:25:17.460Z

- Ticker: IMPL
- Exchange: NASDAQ
- Sector: Health Care
- Industry: Biotechnology: Pharmaceutical Preparations
- IPO year: 2021
- Website: Impelnp.com

## About

Impel NeuroPharma, Inc., a late-stage pharmaceutical company, focuses on the development and commercialization of therapies for patients suffering from central nervous system disease in the United States. Its lead product candidate is TRUDHESA, an upper nasal formulation of dihydroergotamine for the acute treatment of migraine. The company is also developing INP105, an upper nasal formulation of olanzapine for the acute treatment of agitation and aggression in autism spectrum disorder; and INP107, an upper nasal formulation of carbidopa/levodopa for the treatment of OFF episodes in Parkinson's disease. Impel NeuroPharma, Inc. was incorporated in 2008 and is headquartered in Seattle, Washington.

## Latest IMPL news and filings

- 2024-02-16 05:15 UTC [SEC Form EFFECT] [SEC Form EFFECT filed by Impel Pharmaceuticals Inc.](https://www.quantisnow.com/insight/sec-form-effect-filed-by-impel-pharmaceuticals-inc-5269438)
- 2024-02-14 22:21 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Impel Pharmaceuticals Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-impel-pharmaceuticals-inc-5265133)
- 2024-02-14 22:19 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Impel Pharmaceuticals Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-impel-pharmaceuticals-inc-5265116)
- 2024-02-14 22:18 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Impel Pharmaceuticals Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-impel-pharmaceuticals-inc-5265097)
- 2024-02-14 22:16 UTC [SEC Form POS AM filed by Impel Pharmaceuticals Inc.](https://www.quantisnow.com/insight/sec-form-pos-am-filed-by-impel-pharmaceuticals-inc-5265087)
- 2024-02-14 22:15 UTC [SEC Form 8-K] [Impel Pharmaceuticals Inc. filed SEC Form 8-K: Completion of Acquisition or Disposition of Assets, Entry into a Material Definitive Agreement, Bankruptcy or Receivership](https://www.quantisnow.com/insight/impel-pharmaceuticals-inc-filed-sec-form-8-k-completion-of-acquisition-5265053)
- 2024-01-02 21:23 UTC [SEC Form 8-K] [Impel Pharmaceuticals Inc. filed SEC Form 8-K: Other Events, Financial Statements and Exhibits](https://www.quantisnow.com/insight/impel-pharmaceuticals-inc-filed-sec-form-8-k-other-events-financial-5161592)
- 2023-12-27 14:03 UTC [SEC Form 25-NSE filed by Impel Pharmaceuticals Inc.](https://www.quantisnow.com/insight/sec-form-25-nse-filed-by-impel-pharmaceuticals-inc-5155722)
- 2023-12-26 21:32 UTC [SEC Form 3] [SEC Form 3 filed by new insider Smith Brandon D](https://www.quantisnow.com/insight/sec-form-3-filed-by-new-insider-smith-brandon-d-5155082)
- 2023-12-20 11:08 UTC [SEC Form 8-K] [Impel Pharmaceuticals Inc. filed SEC Form 8-K: Entry into a Material Definitive Agreement, Bankruptcy or Receivership, Events That Accelerate or Increase a Direct Financial Obligation, Leadership Update, Regulation FD Disclosure, Other Events, Financial Statements and Exhibits](https://www.quantisnow.com/insight/impel-pharmaceuticals-inc-filed-sec-form-8-k-entry-into-a-5147723)
- 2023-12-20 04:10 UTC [Impel Pharmaceuticals Announces Filing of Voluntary Chapter 11 Cases and Signing of "Stalking Horse" Agreement to Facilitate Sale](https://www.quantisnow.com/insight/impel-pharmaceuticals-announces-filing-of-voluntary-chapter-11-cases-and-5147595)
- 2023-12-19 23:00 UTC [SEC Form 4] [Vivo Capital Viii, Llc sold $74,131 worth of shares (575,000 units at $0.13) (SEC Form 4)](https://www.quantisnow.com/insight/vivo-capital-viii-llc-sold-74131-worth-of-shares-575000-5147320)
- 2023-12-18 13:31 UTC [SEC Form 8-K] [Impel Pharmaceuticals Inc. filed SEC Form 8-K: Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing](https://www.quantisnow.com/insight/impel-pharmaceuticals-inc-filed-sec-form-8-k-notice-of-delisting-5142402)
- 2023-12-15 21:31 UTC [Market Insight] [12 Health Care Stocks Moving In Friday's After-Market Session](https://www.quantisnow.com/insight/12-health-care-stocks-moving-in-fridays-after-market-session-5140970)
- 2023-12-05 21:31 UTC [Market Insight] [12 Health Care Stocks Moving In Tuesday's After-Market Session](https://www.quantisnow.com/insight/12-health-care-stocks-moving-in-tuesdays-after-market-session-5119961)
- 2023-12-05 02:00 UTC [SEC Form 4] [SEC Form 4 filed by Brookfield Corp /On/](https://www.quantisnow.com/insight/sec-form-4-filed-by-brookfield-corp-on-5117661)
- 2023-12-05 02:00 UTC [SEC Form 4] [SEC Form 4 filed by Oaktree Gcp Fund Delaware Holdings, L.P.](https://www.quantisnow.com/insight/sec-form-4-filed-by-oaktree-gcp-fund-delaware-holdings-5117660)
- 2023-12-04 22:12 UTC [SEC Schedule 13D] [SEC Form SC 13D/A filed by Impel Pharmaceuticals Inc. (Amendment)](https://www.quantisnow.com/insight/sec-form-sc-13da-filed-by-impel-pharmaceuticals-inc-amendment-5117214)
- 2023-12-04 11:13 UTC [Market Chatter] [On December 1, 2023, Michael Kalb Gave Notice Of His Resignation From His Position As Chief Financial Officer Of Impel Pharmaceuticals With His Last Day To Be December 31, 2023-8K](https://www.quantisnow.com/insight/on-december-1-2023-michael-kalb-gave-notice-of-his-5114949)
- 2023-12-04 11:05 UTC [SEC Form 8-K] [Impel Pharmaceuticals Inc. filed SEC Form 8-K: Leadership Update](https://www.quantisnow.com/insight/impel-pharmaceuticals-inc-filed-sec-form-8-k-leadership-update-5114928)
- 2023-11-29 13:11 UTC [Market Insight] [Why Workday Shares Are Trading Higher By Around 9%; Here Are 20 Stocks Moving Premarket](https://www.quantisnow.com/insight/why-workday-shares-are-trading-higher-by-around-9-here-5107974)
- 2023-11-27 14:46 UTC [Market Insight] [US Stocks Lower; Dow Falls Over 50 Points](https://www.quantisnow.com/insight/us-stocks-lower-dow-falls-over-50-points-5103851)
- 2023-11-27 13:10 UTC [Market Insight] [Why UP Fintech Shares Are Trading Higher By Around 7%; Here Are 20 Stocks Moving Premarket](https://www.quantisnow.com/insight/why-up-fintech-shares-are-trading-higher-by-around-7-5103525)
- 2023-11-27 13:06 UTC [Market Insight] [12 Health Care Stocks Moving In Monday's Pre-Market Session](https://www.quantisnow.com/insight/12-health-care-stocks-moving-in-mondays-pre-market-session-5103510)
- 2023-11-24 21:31 UTC [Market Insight] [12 Health Care Stocks Moving In Friday's After-Market Session](https://www.quantisnow.com/insight/12-health-care-stocks-moving-in-fridays-after-market-session-5102892)
- 2023-11-24 17:21 UTC [Market Insight] [Why FLJ Group Shares Are Trading Higher By Around 96%? Here Are Other Stocks Moving In Friday's Mid-Day Session](https://www.quantisnow.com/insight/why-flj-group-shares-are-trading-higher-by-around-96-5102589)
- 2023-11-24 16:56 UTC [Market Insight] [Crude Oil Edges Lower; US Services PMI Rises In November](https://www.quantisnow.com/insight/crude-oil-edges-lower-us-services-pmi-rises-in-november-5102567)
- 2023-11-24 14:42 UTC [Market Insight] [US Stocks Mixed; Dow Gains 50 Points](https://www.quantisnow.com/insight/us-stocks-mixed-dow-gains-50-points-5102439)
- 2023-11-24 13:06 UTC [Market Insight] [12 Health Care Stocks Moving In Friday's Pre-Market Session](https://www.quantisnow.com/insight/12-health-care-stocks-moving-in-fridays-pre-market-session-5102313)
- 2023-11-24 12:59 UTC [Market Insight] [Why Faraday Future Shares Are Trading Higher By Around 14%; Here Are 20 Stocks Moving Premarket](https://www.quantisnow.com/insight/why-faraday-future-shares-are-trading-higher-by-around-14-5102289)
- 2023-11-23 21:30 UTC [Market Insight] [12 Health Care Stocks Moving In Thursday's After-Market Session](https://www.quantisnow.com/insight/12-health-care-stocks-moving-in-thursdays-after-market-session-5102098)
- 2023-11-23 17:30 UTC [Market Insight] [12 Health Care Stocks Moving In Thursday's Intraday Session](https://www.quantisnow.com/insight/12-health-care-stocks-moving-in-thursdays-intraday-session-5102070)
- 2023-11-22 21:31 UTC [Market Insight] [12 Health Care Stocks Moving In Wednesday's After-Market Session](https://www.quantisnow.com/insight/12-health-care-stocks-moving-in-wednesdays-after-market-session-5101368)
- 2023-11-22 17:31 UTC [Market Insight] [12 Health Care Stocks Moving In Wednesday's Intraday Session](https://www.quantisnow.com/insight/12-health-care-stocks-moving-in-wednesdays-intraday-session-5100716)
- 2023-11-21 02:16 UTC [SEC Form 3] [SEC Form 3 filed by new insider Brookfield Corp /On/](https://www.quantisnow.com/insight/sec-form-3-filed-by-new-insider-brookfield-corp-on-5097056)
- 2023-11-21 02:12 UTC [SEC Form 3] [SEC Form 3 filed by new insider Oaktree Gcp Fund Delaware Holdings, L.P.](https://www.quantisnow.com/insight/sec-form-3-filed-by-new-insider-oaktree-gcp-fund-5097045)
- 2023-11-17 13:06 UTC [Market Insight] [12 Health Care Stocks Moving In Friday's Pre-Market Session](https://www.quantisnow.com/insight/12-health-care-stocks-moving-in-fridays-pre-market-session-5092001)
- 2023-11-16 17:31 UTC [Market Insight] [12 Health Care Stocks Moving In Thursday's Intraday Session](https://www.quantisnow.com/insight/12-health-care-stocks-moving-in-thursdays-intraday-session-5089915)
- 2023-11-16 13:06 UTC [Market Insight] [12 Health Care Stocks Moving In Thursday's Pre-Market Session](https://www.quantisnow.com/insight/12-health-care-stocks-moving-in-thursdays-pre-market-session-5089179)
- 2023-11-15 21:31 UTC [Market Insight] [12 Health Care Stocks Moving In Wednesday's After-Market Session](https://www.quantisnow.com/insight/12-health-care-stocks-moving-in-wednesdays-after-market-session-5087931)

## More

- Live page with ratings, short volume, options and peers: https://www.quantisnow.com/company/IMPL
- Earnings history: https://www.quantisnow.com/earnings/IMPL
- Dividend history: https://www.quantisnow.com/dividends/IMPL
- Insider transactions: https://www.quantisnow.com/insiders/IMPL
- Options chain: https://www.quantisnow.com/options/IMPL
- SEC 8-K filings only: https://www.quantisnow.com/company/IMPL/8-k
- RSS and alerts for IMPL: https://www.quantisnow.com/docs/rss-feeds.md