When did Retension Pharmaceuticals Inc go public?

Retension Pharmaceuticals Inc completed its IPO on Oct 9, 2026 on NASDAQ Capital under the ticker RTSN and now trades publicly.

What was Retension Pharmaceuticals Inc's IPO price?

Retension Pharmaceuticals Inc priced its IPO at $12.00 per share.

Can I buy Retension Pharmaceuticals Inc stock?

Yes — Retension Pharmaceuticals Inc is publicly traded on NASDAQ Capital as RTSN. You can follow its live price, valuation and post-IPO performance above.

What is Retension Pharmaceuticals Inc's valuation?

Retension Pharmaceuticals Inc's most recent valuation tracked here is $110.89M, derived from live market prices.

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Retension Pharmaceuticals Inc

RTSN

Public

PublicUnited States(NASDAQ Capital)Best valuation $110.89MSince IPO +17.25%1 market

Public listing

Listed· NASDAQ Capital· Listing market: United States

Listing date

Oct 9, 2026

Final IPO price

$12.00

Shares offered

3,750,000

Offering proceeds

$45M

Sources: sec-edgar, sec-harvest, nasdaq

IPO Calendar · NASDAQIPO

RTSN

Price

$14.07

24h

+15.23%

Valuation

$110.89M

24h volume

$2.94M

Type

IPO

Trade Retension Pharmaceuticals Inc

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IPO Calendar · updated 1h ago

SEC IPO filings

Final prospectus

EDGAR filings resolved from RTSN / CIK 0002002988.

424B4PROSPECTUS

Oct 9, 2026Final prospectus0001213900-26-108587

EFFECTxslEFFECTX01/primary_doc.xml

Oct 8, 2026Effective9999999995-26-003189

CERTRTSN_8A_Cert_0002002988.pdf

Oct 8, 2026Exchange registration0001354457-26-000966

8-A12BFOR REGISTRATION OF CERTAIN CLASSES

Oct 8, 2026Exchange registration0001213900-26-107730

S-1/AREGISTRATION STATEMENT

Oct 7, 2026Amended0001213900-26-107572

S-1/AAMENDMENT NO. 1 TO FORM S-1

Oct 5, 2026Amended0001213900-26-106636

S-1REGISTRATION STATEMENT

Sep 18, 2026Filed0001213900-26-101499

DRS/Afilename1.htm

Aug 14, 2026Confidential draft0001213900-26-090287

DRS/Afilename1.htm

Jun 16, 2026Confidential draft0001213900-26-069228

DRS/Afilename1.htm

May 1, 2026Confidential draft0001213900-26-050520

DRSfilename1.htm

Feb 17, 2026Confidential draft0001213900-26-017320

Retension Pharmaceuticals Inc IPO — frequently asked questions

When did Retension Pharmaceuticals Inc go public?: Retension Pharmaceuticals Inc completed its IPO on Oct 9, 2026 on NASDAQ Capital under the ticker RTSN and now trades publicly.
What was Retension Pharmaceuticals Inc's IPO price?: Retension Pharmaceuticals Inc priced its IPO at $12.00 per share.
Can I buy Retension Pharmaceuticals Inc stock?: Yes — Retension Pharmaceuticals Inc is publicly traded on NASDAQ Capital as RTSN. You can follow its live price, valuation and post-IPO performance above.
What is Retension Pharmaceuticals Inc's valuation?: Retension Pharmaceuticals Inc's most recent valuation tracked here is $110.89M, derived from live market prices.