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Hillstream Biopharma (CNTN) 10K Form and Latest SEC Filings 2026

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Latest Hillstream Biopharma SEC Filings & Recent Activity

Hillstream Biopharma (NASDAQ:CNTN) has submitted 187+ documents to the U.S. Securities and Exchange Commission (SEC) since 2022. For investors, these filings are the primary source of verified financial data — covering everything from annual revenue and debt levels in the 10-K, to material business events in 8-K current reports, to insider buying and selling activity in Form 4 disclosures. The most recent filing was a Form 4 submitted on May 27, 2026.

Form 4
Canton Strategic Holdings, Inc. Reports Ownership Change on May. 27, 2026

Form 4 filings disclose changes in stock ownership by company insiders, including purchases, sales, grants, and option exercises.

View insider ownership

10-Q
Hillstream Biopharma Files Quarterly Report on May. 13, 2026

The 10-Q contains Hillstream Biopharma's unaudited quarterly financial statements, revenue, earnings updates, and cash flow changes between annual reports.

View earnings history

Hillstream Biopharma SEC Filing History

Browse Hillstream Biopharma's complete SEC filing history using the filters below. Filter by form type - 10-K, 10-Q, 8-K, Form 4, and more - or set a custom date range to find a filing.

DateFilerForm TypeView
05/27/2026 5:35 PM
Hillstream Biopharma (1861657) Issuer
Stetz Gary S. (1532793) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
05/13/2026 8:00 AM
Hillstream Biopharma (1861657) Filer
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
05/11/2026 5:03 PM
Hillstream Biopharma (1861657) Subject
LCV FUND VIII, L.P. (1858209) Filed by
Form SCHEDULE 13G/A
04/15/2026 11:35 AM
Hillstream Biopharma (1861657) Filer
Form D
Notice of Exempt Offering of Securities 
04/15/2026 11:31 AM
Hillstream Biopharma (1861657) Filer
Form D
Notice of Exempt Offering of Securities 
03/31/2026 8:00 AM
Hillstream Biopharma (1861657) Filer
Form 10-K
Annual report pursuant to Section 13 or 15(d)  
03/31/2026 7:15 AM
Hillstream Biopharma (1861657) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/03/2026 7:15 AM
Hillstream Biopharma (1861657) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
02/18/2026 7:45 AM
Hillstream Biopharma (1861657) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
02/11/2026 4:18 PM
Sommers Jill E. (1737622) Reporting
Hillstream Biopharma (1861657) Issuer
Form 3
Initial statement of beneficial ownership of securities  
02/11/2026 4:20 PM
Radkowski Angela Dominy (2105789) Reporting
Hillstream Biopharma (1861657) Issuer
Form 3
Initial statement of beneficial ownership of securities  
02/11/2026 4:16 PM
Hillstream Biopharma (1861657) Issuer
Wiley William Thomas Jr. (2099981) Reporting
Form 3
Initial statement of beneficial ownership of securities  
02/11/2026 4:14 PM
Asbury Jacob (2101731) Reporting
Hillstream Biopharma (1861657) Issuer
Form 3
Initial statement of beneficial ownership of securities  
02/06/2026 7:20 AM
Hillstream Biopharma (1861657) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
02/03/2026 10:39 AM
ARK Investment Management LLC (1697748) Filed by
Hillstream Biopharma (1861657) Subject
Form SCHEDULE 13G
02/02/2026 8:26 PM
LCV FUND VIII, L.P. (1858209) Filed by
Hillstream Biopharma (1861657) Subject
Form SCHEDULE 13G
02/02/2026 7:20 AM
Hillstream Biopharma (1861657) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/26/2026 8:51 PM
Hillstream Biopharma (1861657) Filer
Form DEFA14A
01/26/2026 7:50 AM
Hillstream Biopharma (1861657) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/22/2026 3:12 PM
Hillstream Biopharma (1861657) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/21/2026 11:30 AM
BlackRock, Inc. (2012383) Filed by
Hillstream Biopharma (1861657) Subject
Form SCHEDULE 13G/A
01/20/2026 9:52 AM
Hillstream Biopharma (1861657) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/20/2026 8:05 AM
Hillstream Biopharma (1861657) Filer
Form 424B5
01/19/2026 11:15 PM
Hillstream Biopharma (1861657) Filer
Form EFFECT
01/15/2026 3:10 PM
Hillstream Biopharma (1861657) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/09/2026 3:34 PM
Hillstream Biopharma (1861657) Filer
Form S-3
Registration statement under Securities Act of 1933  
01/06/2026 3:37 PM
Hillstream Biopharma (1861657) Filer
Form PRER14A
01/06/2026 3:37 PM
Hillstream Biopharma (1861657) Filer
Form PRER14A
01/06/2026 3:37 PM
Hillstream Biopharma (1861657) Filer
Form PRER14A
12/17/2025 8:28 PM
Hillstream Biopharma (1861657) Filer
Form 424B3
12/16/2025 11:15 PM
Hillstream Biopharma (1861657) Filer
Form EFFECT
12/16/2025 3:20 PM
Hillstream Biopharma (1861657) Filer
Form PRE 14A
12/12/2025 7:45 AM
Hillstream Biopharma (1861657) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
12/05/2025 3:52 PM
Hillstream Biopharma (1861657) Filer
Form S-3
Registration statement under Securities Act of 1933  
12/05/2025 3:13 PM
Hillstream Biopharma (1861657) Filer
Form 424B3
11/27/2025 11:15 PM
Hillstream Biopharma (1861657) Filer
Form EFFECT
11/14/2025 1:18 PM
Hillstream Biopharma (1861657) Issuer
Toomey Mark Christopher (2095900) Reporting
Form 3
Initial statement of beneficial ownership of securities  
11/14/2025 1:20 PM
Hillstream Biopharma (1861657) Issuer
Wendland Mark Paul (2096174) Reporting
Form 3
Initial statement of beneficial ownership of securities  
11/10/2025 4:31 PM
Hillstream Biopharma (1861657) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
11/06/2025 8:46 PM
Hillstream Biopharma (1861657) Filer
Form 424B5
11/06/2025 8:50 PM
Hillstream Biopharma (1861657) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
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11/06/2025 4:15 PM
Hillstream Biopharma (1861657) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
11/05/2025 7:57 PM
Appajosyula Sireesh (1901565) Reporting
Hillstream Biopharma (1861657) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
11/05/2025 7:57 PM
Kahler Thomas Clay (2082864) Reporting
Hillstream Biopharma (1861657) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
11/05/2025 7:57 PM
Gravitas Capital LP (1840140) Reporting
Hillstream Biopharma (1861657) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
11/05/2025 7:57 PM
Stetz Gary S. (1532793) Reporting
Hillstream Biopharma (1861657) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
11/05/2025 7:57 PM
Rickel Nancy Davis (2083262) Reporting
Hillstream Biopharma (1861657) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
11/05/2025 7:57 PM
LoPriore Vincent S (1633927) Reporting
Hillstream Biopharma (1861657) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
11/05/2025 7:57 PM
Liddy James Gordon (2082917) Reporting
Hillstream Biopharma (1861657) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
11/05/2025 7:57 PM
Parikh Sanam (2046430) Reporting
Hillstream Biopharma (1861657) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
11/05/2025 8:15 AM
Hillstream Biopharma (1861657) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
11/03/2025 8:27 AM
Hillstream Biopharma (1861657) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
10/17/2025 5:40 PM
BlackRock, Inc. (2012383) Filed by
Hillstream Biopharma (1861657) Subject
Form SCHEDULE 13G
10/17/2025 3:37 PM
Hillstream Biopharma (1861657) Filer
Form S-3
Registration statement under Securities Act of 1933  
10/17/2025 3:16 PM
Hillstream Biopharma (1861657) Filer
Form S-8
Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans  
10/10/2025 3:22 PM
Hillstream Biopharma (1861657) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
10/06/2025 7:24 AM
Hillstream Biopharma (1861657) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
10/06/2025 7:26 AM
Hillstream Biopharma (1861657) Filer
Form 424B3
10/06/2025 7:28 AM
Hillstream Biopharma (1861657) Filer
Form 424B3
09/18/2025 4:05 PM
Hillstream Biopharma (1861657) Filer
Form DEF 14A
09/05/2025 10:24 AM
Hillstream Biopharma (1861657) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
09/04/2025 8:11 PM
Hillstream Biopharma (1861657) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
09/04/2025 11:15 PM
Hillstream Biopharma (1861657) Filer
Form EFFECT
09/03/2025 5:11 AM
Hillstream Biopharma (1861657) Filer
Form S-3/A
08/27/2025 9:48 AM
Hillstream Biopharma (1861657) Filer
Form 424B5
08/26/2025 4:24 PM
Hillstream Biopharma (1861657) Filer
Form 8-K/A
08/26/2025 4:25 PM
Hillstream Biopharma (1861657) Filer
Form S-3
Registration statement under Securities Act of 1933  
08/26/2025 8:29 AM
Hillstream Biopharma (1861657) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
08/22/2025 3:20 PM
Kahler Thomas Clay (2082864) Reporting
Hillstream Biopharma (1861657) Issuer
Form 3
Initial statement of beneficial ownership of securities  
08/22/2025 3:15 PM
Liddy James Gordon (2082917) Reporting
Hillstream Biopharma (1861657) Issuer
Form 3
Initial statement of beneficial ownership of securities  
08/20/2025 7:12 PM
LoPriore Vincent S (1633927) Reporting
Hillstream Biopharma (1861657) Issuer
Form 3
Initial statement of beneficial ownership of securities  
08/20/2025 5:13 PM
Stetz Gary S. (1532793) Reporting
Hillstream Biopharma (1861657) Issuer
Form 3
Initial statement of beneficial ownership of securities  
08/14/2025 8:00 AM
Hillstream Biopharma (1861657) Filer
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
08/06/2025 4:04 PM
Appajosyula Sireesh (1901565) Reporting
Hillstream Biopharma (1861657) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
08/06/2025 4:06 PM
Parikh Sanam (2046430) Reporting
Hillstream Biopharma (1861657) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
07/28/2025 8:26 AM
Hillstream Biopharma (1861657) Filer
Form 424B5
07/28/2025 8:29 AM
Hillstream Biopharma (1861657) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
07/25/2025 4:09 PM
Hillstream Biopharma (1861657) Filer
Form 424B5
07/11/2025 3:30 PM
Hillstream Biopharma (1861657) Filer
Form S-8
Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans  
07/09/2025 11:15 PM
Hillstream Biopharma (1861657) Filer
Form EFFECT
07/07/2025 5:41 PM
Anderson Kelly (1665891) Reporting
Hillstream Biopharma (1861657) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
07/03/2025 3:15 PM
Hillstream Biopharma (1861657) Filer
Form S-3
Registration statement under Securities Act of 1933  
06/24/2025 3:15 PM
Hillstream Biopharma (1861657) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/23/2025 8:29 PM
Gravitas Capital LP (1840140) Reporting
Hillstream Biopharma (1861657) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
06/23/2025 6:31 PM
Appajosyula Sireesh (1901565) Reporting
Hillstream Biopharma (1861657) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
06/23/2025 6:34 PM
Parikh Sanam (2046430) Reporting
Hillstream Biopharma (1861657) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
06/20/2025 5:15 AM
Gravitas Capital LP (1840140) Filed by
Hillstream Biopharma (1861657) Subject
Form SCHEDULE 13D
06/20/2025 5:05 AM
Hillstream Biopharma (1861657) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/11/2025 4:29 PM
Hillstream Biopharma (1861657) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
(Data available from 1/1/2016 forward)

Hillstream Biopharma SEC Filings - Frequently Asked Questions

Hillstream Biopharma (CNTN) has submitted 187+ filings to the SEC since 2022. You can browse the complete history or filter by form type using the tools above.

Hillstream Biopharma's fiscal year ends on December 31. The company typically files its 10-K annual report by the end of February, covering the prior fiscal year's financial results.

The most recent filing was a Form 4 submitted on May 27, 2026. This was an insider ownership change filed by 4 - Canton Strategic Holdings, Inc. (0001861657) (Issuer).

SEC Filing Types: 10-K, 10-Q, 8-K and More

SEC filings are legally required disclosures that public companies submit to the U.S. Securities and Exchange Commission. Unlike press releases or earnings call transcripts, these documents are filed under legal obligation — meaning the financial data they contain is audited, standardized, and subject to penalties if materially false. For investors, that makes SEC filings the most reliable primary source available for evaluating a company's true financial position.

Yes. All SEC filings are publicly available through the SEC's EDGAR database and on financial research platforms like MarketBeat. Companies are required by law to make these disclosures accessible to all investors — meaning retail investors have access to the same source documents as institutional analysts.

A 10-K is an annual report containing audited financial statements and a full review of the company's business — it is the most comprehensive filing a company makes each year. A 10-Q is a shorter, unaudited quarterly update filed three times per year between annual reports. Investors typically use the 10-K for deep fundamental analysis and the 10-Q to track whether the company is on pace with its guidance mid-year.

The most important filing for fundamental investors. Filed once per year, the 10-K contains audited financial statements, revenue and earnings trends, debt obligations, risk factors, and management's own assessment of the business. Reading the risk factors section and comparing year-over-year financials can reveal issues that don't show up in analyst summaries.

An unaudited financial update filed three times per year (the 10-K covers Q4). Investors use 10-Qs to track whether guidance is on pace, monitor changes in cash flow or inventory, and catch any mid-year shifts in business conditions before they become headline news.

Filed within four business days of a material event — earnings releases, merger announcements, executive departures, or major asset sales. Because 8-Ks are filed before media coverage catches up, they are often the fastest way to get unfiltered information directly from the company on market-moving events.

Filed within two business days whenever an executive or director buys or sells company stock. Insider purchases — especially large or clustered buys — are often interpreted as a signal of management confidence. Insider selling is more ambiguous but worth monitoring for patterns, particularly around lock-up expirations or ahead of major announcements.


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This page (NASDAQ:CNTN) was last updated on 6/11/2026 by MarketBeat.com Staff.
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