Company · CIK 1722964

# Y-mAbs Therapeutics, Inc.

| CIK | [1722964](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001722964) (SEC EDGAR) |
| --- | --- |
| Industry (SIC) | 2834 — Pharmaceutical Preparations |
| Incorporated in | DE |
| Business address | NJ |
| Listed | no ticker on SEC record today |
| First annual or quarterly report | 2018-11-13 |

## Offerings

 3 registrations

| Registration | Label and status | First filed | Last event | Filings |
| --- | --- | --- | --- | --- |
| 333-271006 | Shelf Effective | 2023-03-30 | 2025-09-16 | 4 |
| 333-234034 | Shelf Effective | 2019-10-01 | 2021-02-18 | 6 |
| 333-226999 | IPO Final prospectus | 2018-08-24 | 2018-09-24 | 4 |

## Filings

 15

| Filed | Filing | Registration | Accession |
| --- | --- | --- | --- |
| 2025-09-16 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1722964/999999999525002969/9999999995-25-002969-index.htm) Declared effective | 333-271006 | 9999999995-25-002969 |
| 2025-03-04 | [424B5](https://www.sec.gov/Archives/edgar/data/1722964/000155837025002173/0001558370-25-002173-index.htm) Shelf takedown | 333-271006 | 0001558370-25-002173 |
| 2023-05-05 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1722964/999999999523001320/9999999995-23-001320-index.htm) Declared effective | 333-271006 | 9999999995-23-001320 |
| 2023-03-30 | [S-3](https://www.sec.gov/Archives/edgar/data/1722964/000155837023005145/0001558370-23-005145-index.htm) Shelf registered | 333-271006 | 0001558370-23-005145 |
| 2021-02-18 | [424B5](https://www.sec.gov/Archives/edgar/data/1722964/000104746921000388/0001047469-21-000388-index.htm) Shelf takedown | 333-234034 | 0001047469-21-000388 |
| 2021-02-17 | [424B5](https://www.sec.gov/Archives/edgar/data/1722964/000104746921000369/0001047469-21-000369-index.htm) Shelf takedown | 333-234034 | 0001047469-21-000369 |
| 2019-10-31 | [424B5](https://www.sec.gov/Archives/edgar/data/1722964/000104746919005986/0001047469-19-005986-index.htm) Shelf takedown | 333-234034 | 0001047469-19-005986 |
| 2019-10-29 | [424B5](https://www.sec.gov/Archives/edgar/data/1722964/000104746919005954/0001047469-19-005954-index.htm) Shelf takedown | 333-234034 | 0001047469-19-005954 |
| 2019-10-15 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1722964/999999999519002314/9999999995-19-002314-index.htm) Declared effective | 333-234034 | 9999999995-19-002314 |
| 2019-10-01 | [S-3](https://www.sec.gov/Archives/edgar/data/1722964/000155837019008756/0001558370-19-008756-index.htm) Shelf registered | 333-234034 | 0001558370-19-008756 |
| 2018-09-24 | [424B4](https://www.sec.gov/Archives/edgar/data/1722964/000104746918006346/0001047469-18-006346-index.htm) Final prospectus | 333-226999 | 0001047469-18-006346 |
| 2018-09-20 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1722964/999999999518002420/9999999995-18-002420-index.htm) Declared effective | 333-226999 | 9999999995-18-002420 |
| 2018-09-07 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1722964/000104746918006039/0001047469-18-006039-index.htm) Amendment | 333-226999 | 0001047469-18-006039 |
| 2018-08-24 | [S-1](https://www.sec.gov/Archives/edgar/data/1722964/000104746918005786/0001047469-18-005786-index.htm) Registration filed | 333-226999 | 0001047469-18-005786 |
| 2018-02-13 | [DRS](https://www.sec.gov/Archives/edgar/data/1722964/000091205718000071/0000912057-18-000071-index.htm) Draft made public | 377-01935 | 0000912057-18-000071 |

[All filings of this company](https://equitycapital.markets/filings?cik=1722964) · [CSV](https://equitycapital.markets/filings.csv?cik=1722964)

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Source page: https://equitycapital.markets/company/1722964 · Data: U.S. SEC EDGAR · CC BY 4.0