When did C3is Inc go public?

C3is Inc completed its IPO on Aug 19, 2026 on Nasdaq under the ticker CISS and now trades publicly.

Can I buy C3is Inc stock?

Yes — C3is Inc is publicly traded on Nasdaq as CISS. You can follow its live price, valuation and post-IPO performance above.

What is C3is Inc's valuation?

C3is Inc's most recent valuation tracked here is $1.83M, derived from live market prices.

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C3is Inc

CISS

Public

PublicUnited States(Nasdaq)Best valuation $1.83M1 market

Public listing

Listed· Nasdaq· Listing market: United States

Listing date

Aug 19, 2026

Offer price

Not available

Shares offered

Not available

Offering proceeds

Not available

Sources: sec-harvest, sec-edgar, nasdaq

IPO Calendar · NasdaqIPO

CISS

Price

$1.35

24h

+9.76%

Valuation

$1.83M

24h volume

$838.32K

Type

IPO

Trade C3is Inc

Now trading publicly. Buy via a broker — opens in a new tab.

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IPO Calendar · updated 1h ago

Financials

Profitable

From SEC filings, latest FY ending Dec 31, 2025 · CIK 0001951067.

Revenue · -17.83% YoY

$34.76M

Net income

$10.47M

Gross margin

—

Cash

$616.64K

Metric	2025	2024	2023	2022	2021
Revenue	$34.76M	$42.3M	$28.74M	—	—
Operating income	$1.36M	$10.06M	$10.43M	—	—
Net income	$10.47M	-$2.75M	$9.29M	—	—
Cash & equivalents	$616.64K	$4.64M	$695.29K	$23.5M	$18.99K
Total assets	$98.49M	$100.49M	$95.47M	$39.86M	—
Total liabilities	$3.39M	$29.13M	$39.93M	$965.47K	—
Shareholders' equity	$95.1M	$71.36M	$55.54M	$38.89M	$8.75M

SEC IPO filings

Final prospectus

EDGAR filings resolved from CISS / CIK 0001951067.

424B3424B3

Aug 27, 2026Final prospectus0001193125-26-369646

424B3424B3

Aug 27, 2026Final prospectus0001193125-26-369643

424B3424B3

Aug 27, 2026Final prospectus0001193125-26-369642

424B3424B3

Aug 27, 2026Final prospectus0001193125-26-369641

424B3424B3

Aug 27, 2026Final prospectus0001193125-26-369639

424B3424B3

Aug 19, 2026Final prospectus0001193125-26-357115

424B3424B3

Aug 19, 2026Final prospectus0001193125-26-357102

424B3424B3

Aug 19, 2026Final prospectus0001193125-26-357093

424B3424B3

Aug 19, 2026Final prospectus0001193125-26-357080

424B3424B3

Aug 19, 2026Final prospectus0001193125-26-357073

424B3424B3

Jul 28, 2026Final prospectus0001193125-26-321283

424B3424B3

Jul 28, 2026Final prospectus0001193125-26-321181

C3is Inc IPO — frequently asked questions

When did C3is Inc go public?: C3is Inc completed its IPO on Aug 19, 2026 on Nasdaq under the ticker CISS and now trades publicly.
Can I buy C3is Inc stock?: Yes — C3is Inc is publicly traded on Nasdaq as CISS. You can follow its live price, valuation and post-IPO performance above.
What is C3is Inc's valuation?: C3is Inc's most recent valuation tracked here is $1.83M, derived from live market prices.