{ "ticker": "UAMY", "company": "United States Antimony Corporation", "cik": "0000101538", "exchange": null, "gics_sector": "Materials", "industry": "Materials", "logo_url": "https://www.google.com/s2/favicons?domain=usantimony.com&sz=128", "from_state": "MT", "to_state": "TX", "effective_date_iso": "2025-09-03", "actual_effective_date_iso": "2025-09-03", "proposed_effective_date_iso": null, "source_confidence": "VERIFIED_VOTE", "is_legal_precedent": 0, "vote_mechanism": null, "approval_basis": "For \u00f7 outstanding voting power (Montana BCA conversion to Texas)", "threshold_result": null, "event_type": null, "two_attempt_flag": 0, "prior_failed_vote_flag": 0, "governance_concession_redo_flag": 0, "subsequent_event_flag": 0, "subsequent_event_type": null, "subsequent_event_date_iso": null, "subsequent_event_note": null, "public_tier": "VERIFIED_TRACKER", "event_study_announcement_json": "{\"event_date\":\"2025-07-02\",\"event_tag\":\"announcement\",\"estimation_window\":\"2024-07-17 to 2025-07-01 (240 days)\",\"specifications\":[{\"name\":\"Synthetic control (17-donor Materials peer pool)\",\"day0_ar\":0.04873348137653435,\"p_value\":null,\"p_label\":\"no inference (point estimate)\",\"extra\":{\"pre_rmspe\":0.0734636346957027,\"n_donors\":17,\"top_weights\":{\"NEM\":0.6844,\"FCX\":0.1517,\"ALB\":0.1508,\"VMC\":0.0131,\"FMC\":0.0},\"r2_pre\":-1.722258030343868}},{\"name\":\"Market model (SPY benchmark)\",\"day0_ar\":0.0645949401245657,\"p_value\":0.3900076729075792,\"p_label\":\"Patell-z p-value\",\"extra\":{\"alpha\":0.009374596912178382,\"beta\":1.5990155109639386,\"r2\":0.07338540753199585}},{\"name\":\"Sector-augmented model (SPY + Materials ETF (XLB))\",\"day0_ar\":0.06718759195552833,\"p_value\":0.3710870873497827,\"p_label\":\"Patell-z p-value\",\"extra\":{\"alpha\":0.00929955688330302,\"beta_mkt\":1.7772611241294596,\"beta_sector\":-0.22190866433084255,\"r2\":0.07376618295323012},\"is_headline\":true},{\"name\":\"Matched pair (vs NEM, market-model-adjusted)\",\"day0_ar\":0.046953112783586916,\"p_value\":0.5489487644857793,\"p_label\":\"two-sided p-value\",\"extra\":{\"se\":0.0783418703645013,\"t\":0.5993361221161573}},{\"name\":\"Raw differential vs NEM\",\"day0_ar\":0.060310605812637696,\"p_value\":null,\"p_label\":\"no inference\",\"extra\":{}}],\"robustness\":{\"pretrend_test\":{\"slope_pct_per_day\":-0.009051832288535146,\"p_slope\":0.21076406665054215,\"verdict\":\"no_pretrend_detected\"},\"sign_test\":{\"n_same_direction\":15,\"n_total\":17,\"binomial_p_two_sided\":0.002349853515625},\"synth_fit\":{\"pearson_corr\":-0.0520000188206872,\"r_squared_levels\":-1.722258030343868,\"durbin_watson\":1.567445857653576}},\"per_window\":[],\"_source\":\"Source A: phase4v cohort runner (5 specs + robustness, 2026-04-28 yfinance pull); joined into data.json by phase5z_join_full_battery.py\",\"event_kind\":\"announcement\",\"t0_source_field\":\"announcement_date_iso\"}", "announcement_date_iso": "2025-06-12", "meeting_date_iso": "2025-09-03", "vote_result": "APPROVED", "status_label": "COMPLETED", "market_cap_usdmm": 485.0, "bucket_class": "B1", "public_bucket_code": "C", "public_bucket_label": "Post-SB29 DExit completed (Texas)", "public_bucket_subcode": "C-TX", "panel_eligibility": "PANEL_A_post_SB29", "transaction_status": "COMPLETED", "audit_status": "VERIFIED_PROXY", "audit_notes": "No primary-source EDGAR accession in v6 rev78; manual EDGAR pull required. | Phase 2 EDGAR verification 2026-04-28: DEF 14A 2026-04-20 accession 0001140361-26-015650. Reclassified from Z/EXCLUDED_HISTORICAL_OOS -> D/PANEL_A_post_SB29. | Phase 2.6 correction 2026-04-27: Phase 2.5 had set bucket_class=D (pending), but legacy NV_eff_dt / TX_eff_dt columns already held completed effective dates. Corrected bucket_class=C (post-SB29 completed mover). Set Panel_A_reincorporator_flag=1, Panel_A_completed_effective_flag=1, bucket_C_post_SB29_DExit=1, and zeroed out bucket_A / bucket_Z / Panel_A_unverified flags. | [2026-04-28] Phase 4I: replaced Google-search IR fallback with direct URL https://www.usantimony.com/investor-relations/ | [2026-04-28] Phase 4N: synthesized event_study_announcement_json from existing scalar CAR cells (phase4a_v2 join). Reviewer can extend with multi-spec analysis.\n[2026-04-29] phase5k T2: UAMY vote_source_8k Item 5.07 (acc 0001654954-25-010316); source: https://www.sec.gov/Archives/edgar/data/101538/000165495425010316/uamy_8k.htm\n[2026-04-29] phase5k T2: UAMY vote_source_8k_url paired with acc 0001654954-25-010316; source: https://www.sec.gov/Archives/edgar/data/101538/000165495425010316/uamy_8k.htm\n[2026-04-29] phase5r: bucket 'C' -> 'B1' (MT->TX effective 2025-09-03 >= SB29 -> bucket B1 (post-SB29; NON-DE OUTBOUND - flag for Shane review))\n[2026-04-29] phase5w: comprehensive validation by external reviewer across tranches v6 (4-version full residual walk, 269 substantive answers across 52 firms, 0 bucket drifts vs v3.58) | [2026-04-29] v3.75: VERIFIED via 8-K Item 5.07 \u2014 Montana \u2192 Texas (NOT a Delaware origin firm). Annual meeting July 31, 2025. Vote: 20.6M for / 11.8M against / 59,000 abstain (~64% of cast). ~36% dissent \u2014 notable. Standard label provisional pending DEF 14A pincite review of Montana BCA threshold language. | v3.84-rev3 DUAL CORRECTION: (1) from_state changed from 'DE' to 'MT' \u2014 United States Antimony was incorporated in Montana, not Delaware. (2) announcement_date changed from 2025-07-02 to 2025-06-12 (PRE 14A filing date, acc 0001140361-25-021112). DEF 14A ~2025-06-26; annual meeting 2025-07-31. The +6.46% Day-0 AR was at the wrong date \u2014 likely reflects a 20-day-later internal milestone, not the SEC announcement. | v3.84-rev5c [2026-04-30] promoted to HIGH date_quality_flag per v3.84-rev3 EDGAR-verified primary-source date correction; primary-source EDGAR confirmation.", "edgar_accession": null, "edgar_accession_note": null, "links": [ { "label": "IR", "url": "https://www.usantimony.com/investor-relations/", "link_type": "ir" }, { "label": "EDGAR", "url": "https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000101538&type=&dateb=&owner=include&count=40", "link_type": "search" }, { "label": "Proxy", "url": "https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000101538&type=DEF+14A&dateb=&owner=include&count=40", "link_type": "search" } ], "car": { "value": 0.08474875162238893, "significant_5pct": 0, "specification": "panel_A_pooled_3primary", "source": "05_REVIEWER_AUDIT_PACKAGE/code/panelA_CAR_BHAR_matrix_v2.3.csv", "status": "ESTIMATED", "bhar_3mo": -0.357568, "bhar_6mo": -2.314751, "pooled_3primary": 0.08474875162238893, "t0_a": 0.1148009251160727, "t0_b": 0.002395594526135053, "t0_c": -0.03244776801981884, "announce": { "value": 0.1148009251160727, "pvalue": null, "specification": "panel_A_T0_announcement", "event_date": null }, "vote": { "value": 0.002395594526135053, "pvalue": null, "specification": "panel_A_T0_vote", "event_date": null } }, "votes_for": null, "votes_against": null, "votes_abstain": null, "votes_broker_nonvote": null, "approval_pct": null, "votes_for_disinterested": null, "votes_against_disinterested": null, "votes_abstain_disinterested": null, "votes_broker_nonvote_disinterested": null, "approval_pct_disinterested": null, "approval_basis_disinterested": null, "announcement_PRE_14A_accession": null, "announcement_PRE_14A_url": null, "vote_source_8k_accession": "0001654954-25-010316", "vote_source_8k_url": "https://www.sec.gov/Archives/edgar/data/101538/000165495425010316/uamy_8k.htm", "vote_proposal_title": null, "meeting_type": null, "approval_standard": "majority of outstanding shares entitled to vote (Montana Business Corporation Act conversion to Texas) \u2014 provisional pending DEF 14A pincite", "companion_proposal": null, "proxy_advisors": null, "management_response": null, "press_coverage": [], "prior_vote": null, "panel_a_tx_incumbent": 0, "panel_b_dexit_mover": 1, "texas_statutory_adoptions": { "tboc_21_552": { "name": "SB 29 \u2014 TBOC \u00a721.552 derivative threshold", "adopted": 1, "source": "DEF 14A 2025-06-12; TX charter on conversion", "url": "https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000110621&type=DEF+14A", "date": null }, "tboc_21_373": { "name": "SB 1057 \u2014 TBOC \u00a721.373 shareholder-proposal threshold", "adopted": null, "source": null, "url": null, "date": null } }, "event_study_outcome_json": "{\"event_date\":\"2025-09-03\",\"event_kind\":\"outcome\",\"event_tag\":\"outcome\",\"t0_source_field\":\"actual_effective_date_iso\",\"estimation_window\":\"trailing 240 days; 240 valid after NaN drop\",\"specifications\":[{\"name\":\"Market model (SPY benchmark)\",\"day0_ar\":-0.017961531980334323,\"p_value\":0.8088096876631878,\"p_label\":\"Patell-z p-value\",\"extra\":{\"alpha\":0.009566317259484874,\"beta\":1.54905844105383,\"r2\":0.06447310388160998,\"sigma\":0.07405659370721875},\"is_headline\":true}],\"_meta\":{\"n_valid_pre_days\":240},\"_source\":\"Source B: phase4v3 NaN-safe runner (outcome/vote window, 2026-04-29 yfinance pull); joined by phase5z_join_full_battery.py\"}", "first_sec_disclosure_date": "2025-06-12", "first_sec_disclosure_form": "PRE 14A", "first_sec_disclosure_accession": "0001140361-25-021112", "first_sec_disclosure_url": "https://www.sec.gov/Archives/edgar/data/101538/000114036125021112/", "announcement_source_type": "PRE14A", "announcement_accession_verified": "Y", "date_quality_flag": "HIGH", "controlled": null, "controller_pct_voting_power": null, "controller": null, "controller_source": "UNKNOWN", "event_study_longrun_json": "{\"event_kind\":\"longrun\",\"event_date\":\"2025-09-03\",\"t0_source_field\":\"actual_effective_date_iso\",\"horizons\":[{\"label\":\"BHAR_21d\",\"lay_label\":\"1 month\",\"horizon_days\":21,\"n_days_available\":21,\"bhar_vs_spy\":0.699996275960324,\"bhar_vs_sector\":0.7516303264275197,\"sector_etf\":\"XLB\",\"patell\":{\"car\":0.31641333158288143,\"z\":0.9802991317053152,\"p_value\":0.3269384832106379,\"n\":21}},{\"label\":\"BHAR_63d\",\"lay_label\":\"3 months\",\"horizon_days\":63,\"n_days_available\":63,\"bhar_vs_spy\":0.1819805196406421,\"bhar_vs_sector\":0.2675904353377151,\"sector_etf\":\"XLB\",\"patell\":{\"car\":-0.3918153723209595,\"z\":-0.7008493711415663,\"p_value\":0.48339702320780553,\"n\":63}},{\"label\":\"BHAR_126d\",\"lay_label\":\"6 months\",\"horizon_days\":126,\"n_days_available\":126,\"bhar_vs_spy\":1.0840596669801716,\"bhar_vs_sector\":1.0198814505573581,\"sector_etf\":\"XLB\",\"patell\":{\"car\":-0.36086593770892617,\"z\":-0.4564299245599463,\"p_value\":0.6480808511687803,\"n\":126}},{\"label\":\"BHAR_252d\",\"lay_label\":\"12 months\",\"horizon_days\":252,\"n_days_available\":165,\"bhar_vs_spy\":null,\"bhar_vs_sector\":null,\"sector_etf\":\"XLB\",\"patell\":null}],\"calendar_time_alpha\":{\"vs_spy\":{\"alpha_daily\":0.004222121395889561,\"alpha_annualized\":1.8913825510947428,\"t_stat\":0.6287314931047082,\"p_value\":0.5295248565985506,\"n_days\":165,\"se_type\":\"Newey-West HAC, lag=5\"},\"vs_sector\":{\"alpha_daily\":0.004666445009511862,\"alpha_annualized\":2.232348325949862,\"t_stat\":0.6763925663811426,\"p_value\":0.49879143563785366,\"n_days\":165,\"se_type\":\"Newey-West HAC, lag=5\"}},\"estimation_window\":\"trailing 240 days; market-model alpha+beta for Patell-z baseline\",\"_meta\":{\"n_post_days_available\":165,\"elapsed_days\":239,\"as_of\":\"2026-04-30\"},\"_source\":\"phase5z_compute_longrun.py; yfinance pull at run time\"}", "_evidence_strength": { "badge": "SILVER", "score": 55, "max": 100, "components": { "source_confidence": 25, "vote_totals": 0, "effective_date": 20, "car_estimate": 10, "edgar_accession": 0 } }, "_context_callout": "Standard cohort firm (Completed). Included for breadth across destinations and sectors.", "_generated_at": "2026-04-30" }