{ "ticker": "TRIP", "company": "Tripadvisor, Inc.", "cik": "0001526520", "exchange": "NASDAQ", "gics_sector": "Communication Services", "industry": "Communication Services", "logo_url": null, "from_state": "DE", "to_state": "NV", "effective_date_iso": "2025-04-29", "actual_effective_date_iso": "2025-04-29", "proposed_effective_date_iso": null, "source_confidence": "VERIFIED_PROXY", "is_legal_precedent": 1, "vote_mechanism": "M&A_BUNDLED_REDOMICILE", "approval_basis": "Bundled M&A vote (LTRPA shareholders approving merger; Tripadvisor reincorporation conversion approved separately)", "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\":\"2024-12-18\",\"event_kind\":\"announcement\",\"event_tag\":\"announcement\",\"t0_source_field\":\"announcement_date_iso\",\"estimation_window\":\"trailing 240 days; 240 valid after NaN drop\",\"specifications\":[{\"name\":\"Market model (SPY benchmark)\",\"day0_ar\":-0.004278043329977062,\"p_value\":0.8924055446811479,\"p_label\":\"Patell-z p-value\",\"extra\":{\"alpha\":-0.00259285276844133,\"beta\":1.1125801533491533,\"r2\":0.0727530279051608,\"sigma\":0.03054896086564831},\"is_headline\":true}],\"_meta\":{\"n_valid_pre_days\":240},\"_source\":\"Source B: phase4v3 NaN-safe runner (1 spec, 2026-04-29 yfinance pull); Source A unavailable for this firm; joined by phase5z_join_full_battery.py\"}", "announcement_date_iso": "2023-04-26", "meeting_date_iso": "2025-04-24", "vote_result": "APPROVED", "status_label": "COMPLETED", "market_cap_usdmm": 1307.1, "bucket_class": "A", "public_bucket_code": "B", "public_bucket_label": "Pre-SB29 DExit mover (Jan-May 2025 wave)", "public_bucket_subcode": "B2", "panel_eligibility": "PANEL_B_pre_SB29", "transaction_status": "COMPLETED", "audit_status": "VERIFIED_EDGAR", "audit_notes": "Maffei v. Palkon precedent firm (Del. Ch. 2024) \u2014 court enjoined the proposed Liberty/Tripadvisor merger and reincorporation, establishing the legal precedent that drove the post-2024 SB29 wave. TRIP itself subsequently completed a DE->NV move; this row tracks TRIP as both precedent and post-SB29 mover. | Phase 3I 2026-04-27: added to dashboard_cohort_flag=1 (reviewer note: legal-setting benchmark / Maffei v. Palkon precedent). | Phase 3L 2026-04-27: Today_State=NV and TRANSACTION_STATUS=COMPLETED indicate TRIP completed DE->NV move, but NV_eff_dt is null. Reclassified bucket_class A->C, panel PANEL_E_DE_baseline->PANEL_A_post_SB29. CIK cleaned from '1123970; 0001526520' to '0001526520'. NV_eff_dt research needed (post-Maffei resolution date). | [2026-04-28] Phase 4J reviewer-converged correction: TRIP completed DE->NV reincorporation effective 2025-04-29 (post-Maffei resolution). Reclassified bucket_class C->B (pre-SB29 wave; SB29 effective 2025-09-01). TRIP defendant in Palkon v. Maffei (Del. Ch. 2024) precedent stays. | [2026-04-28] Phase 4I: replaced Google-search IR fallback with direct URL https://ir.tripadvisor.com/ | [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[2026-04-28] phase5c: vote source 8-K 0000950170-25-088478 (2025-06-20, \u0394=52d) applied from EDGAR pull (status=AUTO_RESOLVED)\n[2026-04-28] phase5c: vote source 8-K 0000950170-25-088478 (2025-06-20, \u0394=52d) applied from EDGAR pull (status=AUTO_RESOLVED)\n[2026-04-29] phase5g: SET_FIELD announcement_date_iso: 'None' -> '2024-12-18' (reviewer: https://www.sec.gov/Archives/edgar/data/1606745/000110465924129970/tm2431419d7_defa14a.htm)\n[2026-04-29] phase5g: SET_FIELD announcement_date_iso: '2024-12-18' -> '2024-12-18' (reviewer: https://www.sec.gov/Archives/edgar/data/1606745/000110465924129970/tm2431419d7_defa14a.htm)\n[2026-04-29] phase5m: TRIP meeting_date_iso = 2025-04-24 (LTRPA special meeting at which LTRPA + LTRPB stockholders approved the Tripadvisor/Liberty TripAdvisor merger that effected TRIP's redomestication from DE to NV; merger consummated 2025-04-29); vote_mechanism=M&A_BUNDLED_REDOMICILE; source: https://www.businesswire.com/news/home/20250424979153/en/Merger-of-Tripadvisor-and-Liberty-TripAdvisors-Special-Meeting-of-Stockholders + https://ir.tripadvisor.com/news-releases/news-release-details/tripadvisor-announces-closing-merger-liberty-tripadvisor-and\n[2026-04-29] phase5r: bucket 'B' -> 'A' (DE->NV effective 2025-04-29 < SB29 (2025-05-14) -> bucket A (pre-SB29))\n[2026-04-29] phase5w: comprehensive validation by external reviewer across tranches v5 (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 + DEF 14A \u2014 Cooley alert (March 18, 2024): VC Laster denied preliminary injunction; both TripAdvisor Inc. and Liberty TripAdvisor Holdings allowed to proceed with Nevada conversion (but stockholder fiduciary-duty damages claims survived). LTRPA special meeting April 24, 2025; merger + TRIP Nevada conversion both effective April 29, 2025. LTRPA shareholders received $0.2567/share cash (~$20M total). Post-merger: single class TRIP common. No controlling stockholder. | [2026-04-29] v3.84-rev1g EVENT-DATE CORRECTION: TRIP announcement_date_iso changed from 2024-12-18 \u2192 2023-04-26. The 2024-12-18 date was the LTRP\u2192TRIP merger-agreement signing day per Capital IQ deal record IQTR1914916964 \u2014 that's an M&A acquisition of TRIP's controlling shareholder (LTRP held 56.8% TRIP voting power), not a reincorporation announcement. TRIP's actual DE\u2192NV redomestication was disclosed in DEF 14A filed 2023-04-26 ahead of the June 6, 2023 annual meeting vote. The redomestication took legal effect April 29, 2025 (concurrent with the merger close, per TRIP press release dated 2025-04-29: 'Tripadvisor finalized its redomestication by conversion from the State of Delaware to the State of Nevada, as approved by Tripadvisor stockholders in June 2023.'). Day-0 AR recomputed at corrected T0=2023-04-26 with full 240-day pre-event window from cohort_daily_closes.csv. | v3.84-rev5c [2026-04-30] promoted to HIGH date_quality_flag per v3.84-rev1g EDGAR-verified primary-source date correction (June 2023 PRE 14A, not Dec 2024 LTRPA-merger date); primary-source EDGAR confirmation.", "edgar_accession": null, "edgar_accession_note": null, "links": [ { "label": "IR", "url": "https://ir.tripadvisor.com/", "link_type": "ir" }, { "label": "EDGAR", "url": "https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001526520&type=&dateb=&owner=include&count=40", "link_type": "search" }, { "label": "Proxy", "url": "https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001526520&type=DEF+14A&dateb=&owner=include&count=40", "link_type": "search" } ], "car": { "value": 0.09901786371603565, "significant_5pct": 0, "specification": "panel_A_pooled_3primary", "source": "05_REVIEWER_AUDIT_PACKAGE/code/panelA_CAR_BHAR_matrix_v2.3.csv", "status": "ESTIMATED", "pooled_3primary": 0.09901786371603565, "t0_a": -0.04043923773100754, "t0_b": 0.1729887955345745, "t0_c": -0.03353169408753127, "announce": { "value": -0.04043923773100754, "pvalue": null, "specification": "panel_A_T0_announcement", "event_date": null }, "vote": { "value": 0.1729887955345745, "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": "0000950170-25-088478", "vote_source_8k_url": "https://www.sec.gov/Archives/edgar/data/1526520/000095017025088478/trip-20250618.htm", "vote_proposal_title": null, "meeting_type": null, "approval_standard": "M&A_BUNDLED_REDOMICILE \u2014 TRIP Nevada conversion under DGCL \u00a7266 (effective April 29, 2025); LTRPA merger required separate LTRPA shareholder vote per merger agreement (special meeting April 24, 2025)", "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": 0, "source": null, "url": null, "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\":\"2025-04-29\",\"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\":-0.01674144790760148,\"p_value\":0.5019714772597599,\"p_label\":\"Patell-z p-value\",\"extra\":{\"alpha\":-0.0015150801402257507,\"beta\":1.5360400744048546,\"r2\":0.3862531040732998,\"sigma\":0.024872630630985337},\"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\"}", "announcement_source_type": "DEF14A", "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\":\"2025-04-29\",\"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\":0.08109719506448942,\"bhar_vs_sector\":0.08717507690377646,\"sector_etf\":\"XLC\",\"patell\":{\"car\":0.11003301527741885,\"z\":0.7582898305771503,\"p_value\":0.44827749388426064,\"n\":21}},{\"label\":\"BHAR_63d\",\"lay_label\":\"3 months\",\"horizon_days\":63,\"n_days_available\":63,\"bhar_vs_spy\":0.2336318870811005,\"bhar_vs_sector\":0.2631700661479843,\"sector_etf\":\"XLC\",\"patell\":{\"car\":0.32051968346470155,\"z\":1.2752821919991764,\"p_value\":0.2022093785235315,\"n\":63}},{\"label\":\"BHAR_126d\",\"lay_label\":\"6 months\",\"horizon_days\":126,\"n_days_available\":126,\"bhar_vs_spy\":0.045320731197547204,\"bhar_vs_sector\":0.06277416281345438,\"sector_etf\":\"XLC\",\"patell\":{\"car\":0.3348609185619789,\"z\":0.9421087913720797,\"p_value\":0.34613694396041517,\"n\":126}},{\"label\":\"BHAR_252d\",\"lay_label\":\"12 months\",\"horizon_days\":252,\"n_days_available\":252,\"bhar_vs_spy\":-0.4356451909780582,\"bhar_vs_sector\":-0.36060493922616443,\"sector_etf\":\"XLC\",\"patell\":{\"car\":0.28191521356500737,\"z\":0.5608414553933194,\"p_value\":0.5749056233349439,\"n\":252}}],\"calendar_time_alpha\":{\"vs_spy\":{\"alpha_daily\":-0.0025783425919610123,\"alpha_annualized\":-0.47825765500853556,\"t_stat\":-1.2945515903334683,\"p_value\":0.19547496134851794,\"n_days\":252,\"se_type\":\"Newey-West HAC, lag=5\"},\"vs_sector\":{\"alpha_daily\":-0.001891936337554276,\"alpha_annualized\":-0.3794937079102606,\"t_stat\":-0.9136891451022855,\"p_value\":0.36088020938873966,\"n_days\":252,\"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\":252,\"elapsed_days\":366,\"as_of\":\"2026-04-30\"},\"_source\":\"phase5z_compute_longrun.py; yfinance pull at run time\"}", "_evidence_strength": { "badge": "BRONZE", "score": 50, "max": 100, "components": { "source_confidence": 20, "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" }