Stock listing

OTC:SNNAF Sienna Resources Inc Stock

US listing (OTC) of Sienna Resources Inc · home listing TSXV:SIEN

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Home listing price · TSXV:SIEN

$0.08 CAD -0.01 (-5.9%)

Close on Oct 16, 2026 · This listing has no price on 6ix; the price shown is the home listing's, TSXV:SIEN

Past 3 months -11.1% · daily closes, Jul 6, 2026 – Oct 16, 2026, adjusted for splits

Day range: $0.08 – $0.085 CADOct 16, 2026
Volume: 64,017 sharesOct 16, 2026
Market cap: $3.67M CADAt the close on Oct 16, 2026 · price × 45.90M shares outstanding

Prices by listing

Listing	Last	Change	Volume	Open	High	Low	Previous close	Price from
TSXV:SIEN · Home	$0.08 CAD	-0.005 (-5.9%)	64,017	$0.085	$0.085	$0.08	$0.085	Close on Oct 16, 2026
Frankfurt:HRJ	€0.047 EUR	-0.003 (-6.1%)	—	€0.047	€0.047	€0.047	€0.050	Close on Oct 19, 2026

Daily closes

Last 3 months, Jul 16, 2026 – Oct 16, 2026 · TSXV:SIEN · CAD, adjusted for splits

Day	Close	Change	%	Open	High	Low	Volume
Fri, Oct 16	$0.08	-0.005	-5.9%	$0.085	$0.085	$0.08	64,017
Wed, Oct 14	$0.085	0.00	0.0%	$0.085	$0.085	$0.085	11,590
Tue, Oct 13	$0.085	+0.005	+6.3%	$0.08	$0.085	$0.08	40,770
Fri, Oct 9	$0.08	0.00	0.0%	$0.08	$0.08	$0.08	0
Thu, Oct 8	$0.08	-0.01	-11.1%	$0.09	$0.09	$0.08	79,500
Wed, Oct 7	$0.09	0.00	0.0%	$0.09	$0.09	$0.09	1,400
Tue, Oct 6	$0.09	0.00	0.0%	$0.09	$0.09	$0.09	7,300
Mon, Oct 5	$0.09	+0.01	+12.5%	$0.09	$0.09	$0.09	1,400
Fri, Oct 2	$0.08	0.00	0.0%	$0.08	$0.08	$0.08	0
Thu, Oct 1	$0.08	-0.01	-11.1%	$0.08	$0.09	$0.08	12,400
Wed, Sep 30	$0.09	0.00	0.0%	$0.09	$0.09	$0.09	38,400
Tue, Sep 29	$0.09	-0.01	-10.0%	$0.10	$0.10	$0.09	13,700
Mon, Sep 28	$0.10	0.00	0.0%	$0.10	$0.10	$0.10	53,000
Fri, Sep 25	$0.10	0.00	0.0%	$0.10	$0.10	$0.10	1,767,100
Thu, Sep 24	$0.10	0.00	0.0%	$0.10	$0.10	$0.10	0
Wed, Sep 23	$0.10	0.00	0.0%	$0.10	$0.10	$0.10	0
Tue, Sep 22	$0.10	-0.01	-9.1%	$0.10	$0.10	$0.10	1,000
Mon, Sep 21	$0.11	0.00	0.0%	$0.11	$0.11	$0.11	87,800
Fri, Sep 18	$0.11	+0.01	+10.0%	$0.11	$0.11	$0.11	191,200
Thu, Sep 17	$0.10	0.00	0.0%	$0.10	$0.10	$0.10	0
Wed, Sep 16	$0.10	-0.01	-9.1%	$0.10	$0.10	$0.10	20,200
Tue, Sep 15	$0.11	0.00	0.0%	$0.11	$0.11	$0.11	1,500
Mon, Sep 14	$0.11	0.00	0.0%	$0.11	$0.11	$0.10	113,000
Fri, Sep 11	$0.11	+0.01	+10.0%	$0.11	$0.11	$0.10	349,500
Thu, Sep 10	$0.10	-0.01	-9.1%	$0.11	$0.11	$0.10	172,900
Wed, Sep 9	$0.11	+0.02	+22.2%	$0.09	$0.12	$0.09	650,000
Tue, Sep 8	$0.09	0.00	0.0%	$0.09	$0.09	$0.09	20,100
Fri, Sep 4	$0.09	+0.01	+12.5%	$0.08	$0.09	$0.08	115,000
Thu, Sep 3	$0.08	0.00	0.0%	$0.08	$0.08	$0.08	0
Wed, Sep 2	$0.08	0.00	0.0%	$0.08	$0.08	$0.08	0
Tue, Sep 1	$0.08	0.00	0.0%	$0.08	$0.08	$0.08	37,100
Mon, Aug 31	$0.08	0.00	0.0%	$0.08	$0.08	$0.08	5,000
Fri, Aug 28	$0.08	0.00	0.0%	$0.08	$0.08	$0.08	14,000
Thu, Aug 27	$0.08	0.00	0.0%	$0.08	$0.08	$0.08	45,500
Wed, Aug 26	$0.08	0.00	0.0%	$0.08	$0.08	$0.08	0
Tue, Aug 25	$0.08	0.00	0.0%	$0.08	$0.08	$0.08	327,000
Mon, Aug 24	$0.08	0.00	0.0%	$0.08	$0.08	$0.08	48,100
Fri, Aug 21	$0.08	0.00	0.0%	$0.08	$0.08	$0.08	17,000
Thu, Aug 20	$0.08	0.00	0.0%	$0.08	$0.08	$0.08	0
Wed, Aug 19	$0.08	0.00	0.0%	$0.08	$0.08	$0.08	199,000
Tue, Aug 18	$0.08	0.00	0.0%	$0.08	$0.08	$0.08	40,000
Mon, Aug 17	$0.08	0.00	0.0%	$0.08	$0.08	$0.08	12,000
Fri, Aug 14	$0.08	0.00	0.0%	$0.08	$0.08	$0.08	11,000
Thu, Aug 13	$0.08	0.00	0.0%	$0.08	$0.08	$0.08	21,000
Wed, Aug 12	$0.08	0.00	0.0%	$0.07	$0.08	$0.07	109,200
Tue, Aug 11	$0.08	0.00	0.0%	$0.08	$0.08	$0.08	1,000
Mon, Aug 10	$0.08	0.00	0.0%	$0.08	$0.08	$0.08	93,400
Fri, Aug 7	$0.08	+0.01	+14.3%	$0.07	$0.08	$0.07	96,000
Thu, Aug 6	$0.07	0.00	0.0%	$0.07	$0.07	$0.07	0
Wed, Aug 5	$0.07	0.00	0.0%	$0.07	$0.07	$0.07	0
Tue, Aug 4	$0.07	0.00	0.0%	$0.07	$0.07	$0.07	13,800
Fri, Jul 31	$0.07	0.00	0.0%	$0.07	$0.07	$0.07	134,000
Thu, Jul 30	$0.07	0.00	0.0%	$0.07	$0.07	$0.07	10,000
Wed, Jul 29	$0.07	0.00	0.0%	$0.07	$0.07	$0.07	29,000
Tue, Jul 28	$0.07	-0.01	-12.5%	$0.08	$0.08	$0.07	114,000
Mon, Jul 27	$0.08	0.00	0.0%	$0.08	$0.08	$0.08	8,000
Fri, Jul 24	$0.08	0.00	0.0%	$0.08	$0.08	$0.08	0
Thu, Jul 23	$0.08	0.00	0.0%	$0.08	$0.08	$0.08	0
Wed, Jul 22	$0.08	+0.01	+14.3%	$0.07	$0.08	$0.07	387,000
Tue, Jul 21	$0.07	0.00	0.0%	$0.07	$0.07	$0.07	0
Mon, Jul 20	$0.07	0.00	0.0%	$0.07	$0.07	$0.07	60,000
Fri, Jul 17	$0.07	0.00	0.0%	$0.07	$0.07	$0.07	0
Thu, Jul 16	$0.07	0.00	0.0%	$0.07	$0.07	$0.07	23,200

Ticker: OTC:SNNAF
Asset type: Stock
Exchange: OTC
Currency: USD

What changed lately

Latest news release · Oct 5, 2026
Sienna Resources Inc. Commences Work on the 31,718-acre Stonesthrow Project, Prospective for Gold, Silver, and Copper, in Saskatchewan
Latest deck · October 2026
Investor Presentation (October 2026)
Investor deck · 11 slides

Latest news

Sienna Resources Inc. Commences Work on the 31,718-acre Stonesthrow Project, Prospective for Gold, Silver, and Copper, in Saskatchewan

Oct 5, 2026

Closed $0.09 (+12.5%) on Oct 5, 2026

Sienna Resources Inc. Commences Drilling on the Esmeralda County Gold Project, Walker Lane, Nevada

Sep 15, 2026

Closed $0.11 (0.0%) on Sep 15, 2026

Sienna Resources Inc. Engages Driller for the Esmeralda County Gold Project in Nevada

Jul 22, 2026

Closed $0.08 (+14.3%) on Jul 22, 2026

Sienna Resources Engages Terraquest Ltd. for Saskatchewan Airbourne Survey

Jun 16, 2026

Corporate Update

May 29, 2026

Sienna Corporate Update

Mar 25, 2026

Sienna Resources Inc. Announces a Flow-Through Private Placement

Mar 12, 2026

Sienna Resources Enters into Joint Venture Agreement to Test the Deep Basin Lithium Brine Discovery Potential in Clayton Valley, Nevada

Jan 28, 2026

Sienna Resources Inc. Looking to Commence Operations in Nevada on Its Lithium Projects

Jan 13, 2026

Sienna Resources Inc. Closes Final Tranche of Private Placement to Fund Multiple Work Programs

Nov 18, 2025

All Sienna Resources Inc news

Decks

Investor Presentation (October 2026)
Investor deck · 11 slides · October 2026
Investor Presentation (May 2026)
Investor deck · 11 slides · May 2026

Sienna Resources Inc on 6ix

News releases: 12 in the last 12 months · 178 in all · newest Oct 5, 2026 · oldest 2007
Decks: 2 decks · latest October 2026

Where Sienna Resources Inc is listed

Listing	Exchange	Country	Currency
TSXV:SIEN · Home listing	TSXV	Canada	CAD
OTC:SNNAF · This page	OTC	United States	USD
LS Exchange:A418KR	LS Exchange	Germany	EUR
Lang & Schwarz:A418KR	Lang & Schwarz	Germany	EUR
Cboe Canada:SIEN	Cboe Canada	Canada	CAD
Frankfurt:HRJ	Frankfurt	Germany	EUR
Munich:HRJ	Munich	Germany	EUR
Stuttgart:HRJ	Stuttgart	Germany	EUR
Tradegate:HRJ	Tradegate	Germany	EUR

OTC:SNNAF Sienna Resources Inc Stock

Prices by listing

Daily closes

What changed lately

Sienna Resources Inc. Commences Work on the 31,718-acre Stonesthrow Project, Prospective for Gold, Silver, and Copper, in Saskatchewan

Investor Presentation (October 2026)

Latest news

Sienna Resources Inc. Commences Work on the 31,718-acre Stonesthrow Project, Prospective for Gold, Silver, and Copper, in Saskatchewan

Sienna Resources Inc. Commences Drilling on the Esmeralda County Gold Project, Walker Lane, Nevada

Sienna Resources Inc. Engages Driller for the Esmeralda County Gold Project in Nevada

Sienna Resources Engages Terraquest Ltd. for Saskatchewan Airbourne Survey

Corporate Update

Sienna Corporate Update

Sienna Resources Inc. Announces a Flow-Through Private Placement

Sienna Resources Enters into Joint Venture Agreement to Test the Deep Basin Lithium Brine Discovery Potential in Clayton Valley, Nevada

Sienna Resources Inc. Looking to Commence Operations in Nevada on Its Lithium Projects

Sienna Resources Inc. Closes Final Tranche of Private Placement to Fund Multiple Work Programs

Decks

Investor Presentation (October 2026)

Investor Presentation (May 2026)

Sienna Resources Inc on 6ix

Where Sienna Resources Inc is listed