# AI Analytics — federal-data glossary

> 73 terms used across the 100+ datasets. Each term has its own canonical page with schema.org/DefinedTerm markup.

## SEC form types

- [**3**](https://api.ai-analytics.org/glossary/3) — Initial statement of beneficial ownership (insider).
- [**4**](https://api.ai-analytics.org/glossary/4) — Statement of changes in beneficial ownership (insider sales/buys).
- [**5**](https://api.ai-analytics.org/glossary/5) — Annual statement of changes in beneficial ownership.
- [**144**](https://api.ai-analytics.org/glossary/144) — Notice of proposed sale under Rule 144. Filed before an affiliate sells restricted or control stock — predictive insider-sale signal.
- [**10-K**](https://api.ai-analytics.org/glossary/10-k) — Annual report. Comprehensive overview of business + financials.
- [**10-K/A**](https://api.ai-analytics.org/glossary/10-k-a) — Amendment to a 10-K annual report.
- [**10-Q**](https://api.ai-analytics.org/glossary/10-q) — Quarterly report. Unaudited financials for one quarter.
- [**10-Q/A**](https://api.ai-analytics.org/glossary/10-q-a) — Amendment to a 10-Q quarterly report.
- [**8-K**](https://api.ai-analytics.org/glossary/8-k) — Current report. Material events (mergers, exec changes, earnings, etc.).
- [**8-K/A**](https://api.ai-analytics.org/glossary/8-k-a) — Amendment to an 8-K current report.
- [**20-F**](https://api.ai-analytics.org/glossary/20-f) — Annual report for foreign private issuers (NYSE/Nasdaq-listed non-US).
- [**6-K**](https://api.ai-analytics.org/glossary/6-k) — Foreign issuer's report of material information.
- [**13F-HR**](https://api.ai-analytics.org/glossary/13f-hr) — Quarterly holdings report by institutional investment managers (>$100M).
- [**13F-NT**](https://api.ai-analytics.org/glossary/13f-nt) — Notice that holdings were reported on a different 13F filing.
- [**SCHEDULE 13D**](https://api.ai-analytics.org/glossary/schedule-13d) — Beneficial owner of >5%, with intent to influence/control. Activist filing.
- [**SCHEDULE 13G**](https://api.ai-analytics.org/glossary/schedule-13g) — Beneficial owner of >5% with passive intent. Index funds etc.
- [**DEF 14A**](https://api.ai-analytics.org/glossary/def-14a) — Definitive proxy statement. Includes exec comp, board votes, governance.
- [**DEFA14A**](https://api.ai-analytics.org/glossary/defa14a) — Additional definitive proxy materials.
- [**S-1**](https://api.ai-analytics.org/glossary/s-1) — Registration statement for new public offerings (IPOs).
- [**S-3**](https://api.ai-analytics.org/glossary/s-3) — Simplified registration for seasoned issuers (secondary offerings).
- [**424B2**](https://api.ai-analytics.org/glossary/424b2) — Prospectus supplement for shelf offerings (filed under Rule 424(b)(2)).
- [**NPORT-P**](https://api.ai-analytics.org/glossary/nport-p) — Monthly portfolio holdings report by registered investment companies.
- [**144/A**](https://api.ai-analytics.org/glossary/144-a) — Amendment to a Form 144 notice.

## SEC 8-K item codes

- [**Item 1.01**](https://api.ai-analytics.org/glossary/item-1-01) — Entry into a Material Definitive Agreement — often M&A, financing, or partnership.
- [**Item 1.02**](https://api.ai-analytics.org/glossary/item-1-02) — Termination of a Material Definitive Agreement.
- [**Item 2.01**](https://api.ai-analytics.org/glossary/item-2-01) — Completion of Acquisition or Disposition of Assets.
- [**Item 2.02**](https://api.ai-analytics.org/glossary/item-2-02) — Results of Operations and Financial Condition (earnings release).
- [**Item 2.05**](https://api.ai-analytics.org/glossary/item-2-05) — Costs Associated with Exit or Disposal Activities (layoffs, restructuring).
- [**Item 3.01**](https://api.ai-analytics.org/glossary/item-3-01) — Notice of Delisting or Failure to Satisfy Listing Rule.
- [**Item 3.02**](https://api.ai-analytics.org/glossary/item-3-02) — Unregistered Sales of Equity Securities (private placement).
- [**Item 4.01**](https://api.ai-analytics.org/glossary/item-4-01) — Changes in Registrant's Certifying Accountant (auditor change).
- [**Item 4.02**](https://api.ai-analytics.org/glossary/item-4-02) — Non-Reliance on Previously-Issued Financial Statements (restatement — red flag).
- [**Item 5.02**](https://api.ai-analytics.org/glossary/item-5-02) — Departure/Election of Directors or Officers; Compensatory Arrangements (executive changes).
- [**Item 5.07**](https://api.ai-analytics.org/glossary/item-5-07) — Submission of Matters to a Vote of Security Holders (annual-meeting results).
- [**Item 7.01**](https://api.ai-analytics.org/glossary/item-7-01) — Regulation FD Disclosure (voluntary material information).
- [**Item 8.01**](https://api.ai-analytics.org/glossary/item-8-01) — Other Events — catch-all material disclosure.
- [**Item 9.01**](https://api.ai-analytics.org/glossary/item-9-01) — Financial Statements and Exhibits.

## SEC insider transaction codes

- [**P**](https://api.ai-analytics.org/glossary/p) — Open-market or private purchase (insider buy).
- [**S**](https://api.ai-analytics.org/glossary/s) — Open-market or private sale (insider sell).
- [**A**](https://api.ai-analytics.org/glossary/a) — Grant, award, or other acquisition (e.g., RSU vesting).
- [**M**](https://api.ai-analytics.org/glossary/m) — Exercise/conversion of derivative security (option exercise).
- [**F**](https://api.ai-analytics.org/glossary/f) — Payment of tax through share withholding.
- [**G**](https://api.ai-analytics.org/glossary/g) — Bona fide gift.
- [**D**](https://api.ai-analytics.org/glossary/d) — Disposition to issuer (e.g., share buyback by company).

## fda.recall_class

- [**Class I**](https://api.ai-analytics.org/glossary/class-i) — Most serious recall — risk of death or serious injury.
- [**Class II**](https://api.ai-analytics.org/glossary/class-ii) — Risk of temporary or reversible adverse health consequences.
- [**Class III**](https://api.ai-analytics.org/glossary/class-iii) — Unlikely to cause adverse health consequences (labeling violations etc.).

## fda.510k

- [**510(k)**](https://api.ai-analytics.org/glossary/510-k) — Pre-market notification for medical devices (Substantial Equivalence path).
- [**Substantially Equivalent**](https://api.ai-analytics.org/glossary/substantially-equivalent) — FDA decision that a device is at least as safe/effective as a predicate.

## fda.adverse

- [**FAERS**](https://api.ai-analytics.org/glossary/faers) — FDA Adverse Event Reporting System (post-marketing drug safety).
- [**MedDRA**](https://api.ai-analytics.org/glossary/meddra) — Medical Dictionary for Regulatory Activities — standardized reaction terms.

## weather.severity

- [**Extreme**](https://api.ai-analytics.org/glossary/extreme) — Extraordinary threat to life or property (NWS severity).
- [**Severe**](https://api.ai-analytics.org/glossary/severe) — Significant threat to life or property (NWS severity).
- [**Moderate**](https://api.ai-analytics.org/glossary/moderate) — Possible threat to life or property (NWS severity).
- [**Minor**](https://api.ai-analytics.org/glossary/minor) — Minimal or no known threat (NWS severity).

## climate.usgs

- [**MMI**](https://api.ai-analytics.org/glossary/mmi) — Modified Mercalli Intensity — instrumental shaking-intensity estimate.
- [**CDI**](https://api.ai-analytics.org/glossary/cdi) — Community Determined Intensity — max user-reported intensity (DYFI).
- [**DYFI**](https://api.ai-analytics.org/glossary/dyfi) — USGS 'Did You Feel It?' citizen-science felt-reports system.
- [**PAGER**](https://api.ai-analytics.org/glossary/pager) — USGS automated impact-alert system (green/yellow/orange/red).
- [**ml**](https://api.ai-analytics.org/glossary/ml) — Local (Richter) magnitude — small/regional earthquakes.
- [**mb**](https://api.ai-analytics.org/glossary/mb) — Body-wave magnitude — global short-period seismic body waves.
- [**mww**](https://api.ai-analytics.org/glossary/mww) — Moment magnitude (W-phase) — preferred for large global events.

## register.type

- [**Rule**](https://api.ai-analytics.org/glossary/rule) — Final rule adopted by an agency, legally binding.
- [**Proposed Rule**](https://api.ai-analytics.org/glossary/proposed-rule) — Rule out for public comment before finalization.
- [**Notice**](https://api.ai-analytics.org/glossary/notice) — Agency announcement that doesn't have direct legal effect.
- [**Presidential Document**](https://api.ai-analytics.org/glossary/presidential-document) — Executive Order, Proclamation, or other presidential action.

## SEC identifiers

- [**CIK**](https://api.ai-analytics.org/glossary/cik) — Central Index Key — SEC's permanent identifier for a filer (10-digit zero-padded).
- [**CUSIP**](https://api.ai-analytics.org/glossary/cusip) — Committee on Uniform Securities Identification Procedures — 9-char security ID.
- [**EIN**](https://api.ai-analytics.org/glossary/ein) — Employer Identification Number — IRS taxpayer ID.
- [**SIC**](https://api.ai-analytics.org/glossary/sic) — Standard Industrial Classification — 4-digit industry code.

## Federal contracting identifiers

- [**UEI**](https://api.ai-analytics.org/glossary/uei) — Unique Entity Identifier — federal contracting/grants identifier (replaced DUNS).
- [**NAICS**](https://api.ai-analytics.org/glossary/naics) — North American Industry Classification System — replacement for SIC.
- [**PSC**](https://api.ai-analytics.org/glossary/psc) — Product Service Code — federal procurement product/service classification.