OptiNose, Inc.
OPTNDelisted May 21, 2025- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001494650
OptiNose, Inc. was delisted on May 21, 2025; its insiders filed their last Form 4 on May 21, 2025; 43 institutions reported holding it in 13F filings for Q1 2025, worth $65.6M in total; no superinvestor held it.
Holders of 5% or more of OPTN
Holders whose latest Schedule 13D or 13G filing reports 5% or more of OptiNose, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Stonepine Capital Management, LLC | 13G/A | 7.80%788.6K shares | +1.90 ppfrom 5.90% | Feb 13, 20252 filings | May 14, 2025 | SEC |
| Kingdon Capital Management, L.L.C. | 13G | 5.10%520.5K shares | New | Apr 14, 20251 filing | Apr 14, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
12 Schedule 13D and 13G filings on OptiNose, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 14, 20254:31 PM ET | Nantahala Capital Management, LLCand 2 others | 13G/A | 0.00%0 shares | −9.99 ppfrom 9.99%Below 5% | Jun 30, 2025 | SEC |
| Aug 11, 20255:04 PM ET | Rosalind Advisors, Inc.and 3 others | 13G/A | 0.00%0 shares | −2.50 ppfrom 2.50%Below 5% | Jun 30, 2025 | SEC |
| Jun 6, 202510:03 AM ET | FMR LLCand 1 other | 13G/A | 1.40%142.3K shares | –Below 5% | May 30, 2025 | SEC |
| May 15, 20254:45 PM ET | Great Point Partners LLCand 2 others | 13G/A | 4.94%526.3K shares | −3.53 ppfrom 8.47%Below 5% | Mar 31, 2025 | SEC |
| May 14, 20254:12 PM ET | Stonepine Capital Management, LLCand 3 others | 13G/A | 7.80%788.6K shares | +1.90 ppfrom 5.90% | Mar 31, 2025 | SEC |
| May 12, 20252:12 PM ET | Rosalind Advisors, Inc.and 3 others | 13G/A | 2.50%343.8K shares | −6.20 ppfrom 8.70%Below 5% | Mar 31, 2025 | SEC |
| Apr 14, 20255:27 PM ET | Kingdon Capital Management, L.L.C.and 1 other | 13G | 5.10%520.5K shares | New | Apr 9, 2025 | SEC |
| Feb 14, 20254:37 PM ET | Great Point Partners LLCand 2 others | 13G/A | 8.47%896.6K shares | – | Dec 31, 2024 | SEC |
| Feb 14, 20254:32 PM ET | Nantahala Capital Management, LLCand 2 others | 13G/A | 9.99%1.01M shares | 0.00 ppfrom 9.99% | Dec 31, 2024 | SEC |
| Feb 13, 202512:38 PM ET | Stonepine Capital Management, LLCand 3 others | 13G/A | 5.90%588.7K shares | – | Dec 31, 2024 | SEC |
| Feb 7, 202511:58 AM ET | Rosalind Advisors, Inc.and 3 others | 13G/A | 8.70%964.6K shares | – | Dec 31, 2024 | SEC |
| Nov 14, 20244:53 PM ET | Nantahala Capital Management, LLCand 2 others | 13G | 9.99%15.1M shares | New | Sep 30, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell OptiNose, Inc. shares.
No Form 144 notices for OptiNose, Inc. are on file.