3spread API Documentation

Periodic financial filings — annual (10-K) and quarterly (10-Q) reports.

Cross-cutting master filings index.

Forms 3, 4, 5 — insider beneficial ownership filings.

Form 13F — institutional investment manager quarterly holdings reports.

Form D — Regulation D exempt offering notices.

Form N-PORT — registered investment company monthly portfolio holdings.

Form N-MFP2 — money market fund monthly portfolio reports.

Schedule 13D / 13G — 5%+ beneficial ownership reports.

Form 144 — notice of proposed sale of restricted or control securities under Rule 144.

Form N-CEN — annual investment company census reports.

Form N-PX — annual proxy voting record reports.

Regulation A+ offerings — Forms 1-A / 1-K / 1-U / 1-Z.

Registration-statement prospectus textual sections — S-1 / S-3 / S-3ASR / S-4 / S-11 / F-1 / F-3 / F-4 (and amendments).

Liveness and readiness probes.

Master CIK directory backed by `vw_api_entities`.

Identifier resolver — accepts CUSIP, ISIN, ticker, or CIK and returns the canonical cross-reference (cik, company_name, tickers, cusip, isin, lei) plus optional registry enrichment when the resolved CIK has metadata on file.

Trust-and-discovery endpoints answering "what does 3spread know?" — per-issuer coverage matrix, global per-family aggregates, stale-issuer detection, filing-intake histogram, and per-family freshness snapshot.

Per-family changefeed over `accepted_time`.

Form 4-derived analytics: cluster detection (≥N insiders / M-day windows), trade classification (discretionary / plan / tax), and a daily-refreshed conviction index per company with a cross-sectional leaderboard.

13F-derived analytics: amendment-aware manager position resolution, per-security holder concentration with a most-crowded leaderboard, new/exit/resize flows by manager or security, and a manager-stance classifier (passive 13G vs.

Inverse holdings indexes spanning multiple form families.

Detection products built on Schedule 13D / 13G filings.

Macro-level fundraising and funding indexes derived from exempt-offering and money-market filings.

Pre-computed rankings over the live filing data — top issuers by insider buy/sell volume, largest Form D offerings, most-active and most-amended filers per family, and the composite governance-pressure leaderboard.

Graph-flavored aggregations over the filing data: director interlocks (issuer-set per insider) from Form 3/4/5, and recurring co-filer pairs from Schedule 13D/G `reporting_persons`.

Sector-level aggregations: Form D private-capital money-map by industry, and Form 4 insider sentiment rolled up by SIC.

Cross-signal intersections — the contrarian "insiders buying what funds aren't" view joining bullish insider-conviction leaders to low-end 13F crowding, with more intersections to follow as the signal layer grows.

S-8 Employee Benefit Plan Registration Filing types: `S-8`, `S-8 POS` Category: Registration Statements > This dataset is not yet released.

8-K Current Reports Filing types: `8-K`, `8-K/A` Category: Annual & Periodic Reports > This dataset is not yet released.

Schedule 14A Proxy Statement (incl.

Schedule 14C Information Statement Filing types: `DEF 14C`, `PRE 14C` Category: Proxy & Shareholder > This dataset is not yet released.

Schedule 14D Tender Offer Statement Filing types: `SC 14D9`, `SC TO-I`, `SC TO-T`, `SC TO-C`, `SC 13E3` Category: Proxy & Shareholder > This dataset is not yet released.

20-F Foreign Issuer Annual Report Filing types: `20-F`, `20-F/A` Category: Foreign Issuers > This dataset is not yet released.

6-K Foreign Issuer Current Report Filing types: `6-K`, `6-K/A` Category: Foreign Issuers > This dataset is not yet released.

N-1A Mutual Fund Registration Filing types: `N-1A`, `N-1A/A` Category: Investment Funds > This dataset is not yet released.

N-CSR Certified Shareholder Report Filing types: `N-CSR`, `N-CSR/A` Category: Investment Funds > This dataset is not yet released.

24F-2 Registration Fee Calculation Filing types: `24F-2` Category: Investment Funds > This dataset is not yet released.

N-2 Closed-End Fund Registration Filing types: `N-2`, `N-2/A` Category: Investment Funds > This dataset is not yet released.

Form PF Private Fund Adviser Report Filing types: `Form PF` Category: Fund & Adviser > This dataset is not yet released.

Form ADV Investment Adviser Registration Filing types: `Form ADV` Category: Fund & Adviser > This dataset is not yet released.

S-6 Unit Investment Trust Registration Filing types: `S-6`, `S-6/A` Category: Fund & Adviser > This dataset is not yet released.

Form U-4 Broker-Dealer / Investment Adviser Representative Filing types: `Form U-4` Category: Fund & Adviser > This dataset is not yet released.