Companies: 10,795·Total market cap: $144.5T
Oberweis Small-Cap Opportunities Fund

Oberweis Small-Cap Opportunities Fund

OBSOXNASDAQFinancial Services● Active
$38.89
+$0.91(+2.40%)
Market Cap$2.6B
P/E Ratio
52W High$39.83
52W Low$24.36
SEC Filings

Oberweis Small-Cap Opportunities Fund (OBSOX) SEC Filings & 10-K Annual Reports

SEC EDGAR regulatory submissions (10-K, 10-Q, 8-K), latest forms, and full filing history — quick links to financials and earnings below.

SEC EDGAR · data.sec.gov · CIK 0000803020 · OBSOX · NASDAQ · as of Jun 10, 2026

Filing snapshot

828
Total Filings
NPORT-P
Latest Form
2026-05-29
Most Recent
1996
Filing Since

Source: SEC EDGAR (data.sec.gov) · CIK 0000803020 · Updated hourly · Not investment advice

Latest Key Filings

10-QQuarterly Report

No recent filings

8-KCurrent Report

No recent filings

Form 4Insider Activity
Ownership Change Disclosures

Executive & director trade disclosures. Full buy/sell sentiment analysis on the dedicated tab.

SEC Filing History

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Showing 1–15 of 828 filingsForm 4 / 144 hidden

About SEC Filings & 10-K Annual Reports

Data source: SEC EDGAR (data.sec.gov)  |  Updated: Hourly  |  CIK: 0000803020  |  Exchange: NASDAQ · Financial Services

Oberweis Small-Cap Opportunities Fund (NASDAQ: OBSOX) has submitted 828 documents to the U.S. Securities and Exchange Commission (SEC) since its IPO in 1996. As a Financial Services sector company with CIK 0000803020, all filings are publicly accessible via the EDGAR database at no cost.

The annual 10-K report is Oberweis Small-Cap Opportunities Fund's most comprehensive regulatory disclosure. The most recent Oberweis Small-Cap Opportunities Fund 10-K was filed on — for fiscal year ending —. Historical OBSOX 10-K annual reports are available from 1995 through —.

Investors researching Oberweis Small-Cap Opportunities Fund SEC filings can access 10-K annual reports, quarterly 10-Q reports, material event 8-K filings, and proxy statements directly from the links above. All documents are sourced from the official SEC EDGAR system.

Source: SEC EDGAR · data.sec.gov · SEC Form 10-K · SEC Form 10-Q · SEC Form 8-K2026-06-10

Frequently Asked Questions

OBSOX SEC Filings · 8 questions

Oberweis Small-Cap Opportunities Fund (OBSOX) SEC filings are publicly available on this page and on the official SEC EDGAR database at sec.gov. You can browse all 828 filings and access original documents at no cost. Oberweis Small-Cap Opportunities Fund's CIK is 0000803020.

OBSOX SEC filingsOberweis Small-Cap Opportunities Fund SEC documentsfind OBSOX 10-K