Primary-sourced research on Coherent Corp. (NYSE: COHR)https://cohr.primarysourced.com/https://cohr.primarysourced.com/00_index/https://cohr.primarysourced.com/00_index/Working knowledge base on Coherent Corp. (NYSE COHR) — vertically integrated InP EML/VCSEL/laser leader; II-VI legacy + Finisar (2019) + Coherent Inc. (2022) consolidation; Mar 2 2026 NVDA $2B common-stock investment.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/01_company/00_overview/https://cohr.primarysourced.com/01_company/00_overview/Coherent Corp. corporate identity — II-VI 1971 founding, Finisar 2019 acquisition, Coherent Inc. 2022 acquisition + rename, leadership, governance.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/01_company/coherent_inc_acquisition/https://cohr.primarysourced.com/01_company/coherent_inc_acquisition/The $7.01B II-VI acquisition of legacy Coherent, Inc. — the three-way bidding war (Lumentum, MKS Instruments, II-VI), the $217.6M Lumentum termination fee, the Bain Capital $2.15B Series B Convertible Preferred financing, the July 1 2022 closing, and the September 8 2022 rename to Coherent Corp.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/01_company/finisar_acquisition/https://cohr.primarysourced.com/01_company/finisar_acquisition/The $3.2B II-VI acquisition of Finisar Corporation — announced Nov 9 2018, closed Sep 24 2019 — that brought InP wafer manufacturing, the Apple-funded Sherman TX VCSEL fab, and the datacom/telecom transceiver platform that anchors today's Coherent Communications franchise.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/01_company/governance/https://cohr.primarysourced.com/01_company/governance/Coherent Corp. governance — Pennsylvania incorporation, post-2024 board with separated Chair/CEO roles, the Bain Capital Series B Convertible Preferred related-party relationship, and the committee structure.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/01_company/ii_vi_legacy/https://cohr.primarysourced.com/01_company/ii_vi_legacy/The 50-year history of II-VI Incorporated from 1971 founding by Carl Johnson and James Hawkey in Saxonburg PA — CdTe and ZnSe IR-optics, the long roll-up era, Carl Johnson → Fran Kramer → Vincent 'Chuck' Mattera CEO succession, and the 2022 rename retiring the II-VI brand.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/01_company/leadership/https://cohr.primarysourced.com/01_company/leadership/Coherent Corp. executive officers and board of directors as of April 2026 — Jim Anderson (CEO since June 3, 2024), Sherri Luther (CFO since October 11, 2024), Chair Enrico DiGirolamo, and the post-Mattera board roster.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/01_company/timeline/https://cohr.primarysourced.com/01_company/timeline/Chronological corporate history of Coherent Corp. — II-VI 1971 founding through Finisar (2019) and Coherent Inc. (2022) acquisitions, the September 2022 rename, the June 2024 CEO transition, and the March 2026 NVIDIA $2B investment.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/02_technology/00_overview/https://cohr.primarysourced.com/02_technology/00_overview/Coherent Corp. vertically-integrated technology stack — InP EML/VCSEL, silicon photonics, ROADM/wave-shaper, datacom transceivers, SiC substrates, fiber lasers.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/02_technology/cpo_roadmap/https://cohr.primarysourced.com/02_technology/cpo_roadmap/Coherent's CPO position — high-power InP CW DFB lasers into NVIDIA Spectrum-X / Quantum-X Photonics CPO switches, paired with Lumentum's parallel ELS supply; commercial-volume framing 2028+; vertical-integration differentiation vs Lumentum's component-only path.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/02_technology/datacom_transceivers/https://cohr.primarysourced.com/02_technology/datacom_transceivers/Coherent's vertically integrated datacom transceiver portfolio — InP source + SiPh modulator + module assembly all in-house; QSFP-DD, OSFP, OSFP-XD form factors; 1.6T ramping and 3.2T pre-commercial.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/02_technology/industrial_fiber_lasers/https://cohr.primarysourced.com/02_technology/industrial_fiber_lasers/Coherent's industrial-laser portfolio inherited from legacy Coherent Inc. (acquired July 2022) — HighLight FL and FL-ARM fiber lasers for cutting, welding, EV battery manufacturing, additive manufacturing; competition with IPG Photonics, Trumpf, nLIGHT, Lumentum.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/02_technology/inp_eml_process/https://cohr.primarysourced.com/02_technology/inp_eml_process/Coherent's indium phosphide electro-absorption modulated laser platform — Sherman Texas 6-inch wafer line, generation timeline 100G/200G/400G per lane, capacity vs Lumentum's San Jose and Greensboro fabs.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/02_technology/patents_overview/https://cohr.primarysourced.com/02_technology/patents_overview/Coherent Corp.'s USPTO patent portfolio scale and composition — 2,300+ granted patents spanning InP, VCSEL, SiC, fiber lasers, ROADM/WSS; representative recent grants and assignee-name considerations from II-VI / Finisar legacy.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/02_technology/roadm_waveshaper/https://cohr.primarysourced.com/02_technology/roadm_waveshaper/Coherent's ROADM, WSS, and wavelength-management portfolio for coherent-DWDM transport — head-to-head share dynamics with Lumentum in a moderately consolidated 5-supplier market.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/02_technology/sic_substrates/https://cohr.primarysourced.com/02_technology/sic_substrates/Coherent's SiC substrate franchise — legacy II-VI 1971-origin business; 200 mm SiC epi launch and next-gen 300 mm platform; competition with Wolfspeed, STMicroelectronics, ROHM, SK Siltron, TankeBlue, SICC.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/02_technology/silicon_photonics/https://cohr.primarysourced.com/02_technology/silicon_photonics/Coherent's in-house silicon-photonics process — 400G/lane PN-junction Mach-Zehnder modulator demonstrated at OFC 2026 alongside Tower Semiconductor partnership; how SiPh complements InP source lasers in Coherent's transceiver builds.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/02_technology/vcsel_portfolio/https://cohr.primarysourced.com/02_technology/vcsel_portfolio/Coherent's vertical-cavity surface-emitting laser franchise — Apple Face ID second-source heritage from $390M Advanced Manufacturing Fund award, 100G/200G datacom multimode VCSELs, and automotive LiDAR illumination modules.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/03_ecosystem/00_overview/https://cohr.primarysourced.com/03_ecosystem/00_overview/Coherent Corp. customer base — NVIDIA strategic investor, hyperscaler datacom partners, telecom OEMs — and the merchant InP source-laser duopoly with Lumentum.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/03_ecosystem/apple_relationship/https://cohr.primarysourced.com/03_ecosystem/apple_relationship/The December 13, 2017 $390M Apple Advanced Manufacturing Fund award to legacy Finisar's Sherman TX VCSEL fab, and the ongoing Face ID second-source supply role post-2019 II-VI/Finisar acquisition. Apple was Lumentum-primary, Finisar-second-source — not Broadcom.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/03_ecosystem/competitors/https://cohr.primarysourced.com/03_ecosystem/competitors/Lumentum (the merchant InP EML duopoly partner) — Innolight, Eoptolink (China hyperscaler-transceiver competition) — Wolfspeed, STMicro, TankeBlue, SICC (SiC substrate) — IPG Photonics, Trumpf (industrial fiber laser) — Marvell (DSP partner + Polariton EO-polymer alternative).Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/03_ecosystem/foundry_partners/https://cohr.primarysourced.com/03_ecosystem/foundry_partners/Coherent's foundry relationships — TSMC for companion silicon (transceiver electronics, DSP integration), and the contrast with the silicon-photonics foundry tier (Tower PH18, GlobalFoundries Fotonix). Coherent runs its own SiPh process so it competes with these foundries on photonics-IC manufacturing.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/03_ecosystem/hyperscaler_customers/https://cohr.primarysourced.com/03_ecosystem/hyperscaler_customers/Microsoft Azure, Meta, Google, Amazon AWS — direct datacom transceiver and ROADM/wave-shaper supply from Coherent. Verified-primary vs aggregator-attributed customer mapping, pre/post Finisar 2019 acquisition contrast.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/03_ecosystem/nvidia_partnership/https://cohr.primarysourced.com/03_ecosystem/nvidia_partnership/The March 2 2026 NVIDIA $2 billion private placement of Coherent common stock — 7,788,161 shares at $256.80 — and the structural contrast with the parallel $2B Lumentum Series A Convertible Preferred.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/03_ecosystem/supply_chain_map/https://cohr.primarysourced.com/03_ecosystem/supply_chain_map/Coherent's upstream supply chain — InP wafer suppliers (Sumitomo, JX Nippon Mining, NN Crystal), GaAs wafer suppliers, SiC raw inputs, packaging partners, test equipment. Dependency risks and concentration.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/03_ecosystem/telecom_oems/https://cohr.primarysourced.com/03_ecosystem/telecom_oems/Coherent's telecom-OEM channel — Ciena, Nokia (post-Infinera 2024), Cisco-Acacia, Huawei/ZTE/FiberHome — supplying ROADM, wave-shaper, tunable-laser components for coherent-DWDM transport. Export-restriction sensitivities.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/04_market/00_overview/https://cohr.primarysourced.com/04_market/00_overview/Optical-component industry dynamics, AI capex cycle pull-through, datacenter optics TAM, SiC power-electronics market, and 3D-sensing/telecom market context for Coherent.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/04_market/ai_capex_cycle/https://cohr.primarysourced.com/04_market/ai_capex_cycle/Hyperscaler AI capex trajectory CY2024–CY2028, optical-component lead-time stretch, and the NVDA-direct demand pull on InP EML supply at both Coherent and Lumentum that culminated in the March 2026 paired $4B equity investments.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/04_market/cpo_market/https://cohr.primarysourced.com/04_market/cpo_market/CPO commercial-volume timing 2027–2028; NVIDIA Spectrum-X / Quantum-X Photonics roadmap dependencies; alternative-architecture risks (LPO, OBO); Coherent's source-laser supply position with vertical-integration upside into CPO transceiver assembly.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/04_market/datacenter_optics_tam/https://cohr.primarysourced.com/04_market/datacenter_optics_tam/Datacenter optical-transceiver TAM sizing — LightCounting / Cignal AI / Dell'Oro estimates of $20–25B in 2026 stretching to $40–60B by 2028 under the AI baseline; allocation across pluggable vs CPO; Coherent vs Lumentum supply-share framework.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/04_market/industrial_laser_market/https://cohr.primarysourced.com/04_market/industrial_laser_market/Industrial fiber-laser market sizing, cyclicality across cutting / welding / additive manufacturing, IPG Photonics + Trumpf comp; Coherent's industrial-laser franchise via the 2022 acquisition of legacy Coherent Inc.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/04_market/inp_eml_duopoly/https://cohr.primarysourced.com/04_market/inp_eml_duopoly/The merchant InP electro-absorption modulated laser duopoly: Coherent's Sherman TX 6-inch (150mm) fab — in production September 2025 quarter — vs Lumentum's San Jose 4-inch + new Greensboro NC 6-inch fab (mid-2028 ramp); supply-share allocation, capacity-build timing, and pricing-discipline mechanics.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/04_market/regulatory_landscape/https://cohr.primarysourced.com/04_market/regulatory_landscape/US export controls (China datacom restrictions, EAR + ECCN classifications, end-use rules); CHIPS Act exposure for InP fab build; CFIUS review considerations for the NVIDIA strategic-investment structure; foreign-direct-investment screening across major customer geographies.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/04_market/sic_market/https://cohr.primarysourced.com/04_market/sic_market/Silicon-carbide substrate market $5–7B in 2026 (Yole / IDTechEx aggregator estimates ⚠); EV-driven demand structural growth; Wolfspeed comp; Chinese substrate-supply pressure (TankeBlue, SICC); the DENSO + Mitsubishi Electric $1B JV structure separates Coherent's SiC business.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/04_market/telecom_dwdm_cycle/https://cohr.primarysourced.com/04_market/telecom_dwdm_cycle/Coherent's telecom DWDM transport business — ROADM, wave-shaper, tunable-laser components — and its linkage to carrier capex cycles. Coherent holds dominant share in ROADM/wave-shaper merchant supply.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/04_market/vcsel_3d_sensing_market/https://cohr.primarysourced.com/04_market/vcsel_3d_sensing_market/Consumer-electronics 3D-sensing replacement cycle (Apple Face ID heritage from Finisar's December 13, 2017 Advanced Manufacturing Fund $390M award), automotive LiDAR optionality, datacom multimode VCSEL share.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/05_financials/00_overview/https://cohr.primarysourced.com/05_financials/00_overview/Coherent Corp. segment mix, revenue trajectory, profitability, post-Coherent-Inc.-2022 deleveraging, and balance-sheet positioning post the Mar 2026 NVDA $2B investment.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/05_financials/balance_sheet/https://cohr.primarysourced.com/05_financials/balance_sheet/Cash, debt structure (term loan, senior notes, Series B Convertible Preferred — Bain Capital alone via BCPE Watson SPV, optional conversion at $85.00, 5.00% PIK dividend through year four — public Series A 6.00% Mandatory Convertible Preferred matured 2023), working capital, fab assets, and NVDA $2.0B common-stock investment dilution mechanics.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/05_financials/capex_cycle/https://cohr.primarysourced.com/05_financials/capex_cycle/Sherman TX 6-inch InP fab capacity expansion, SiC substrate capacity (DENSO/Mitsubishi JV-funded), 200G/lane EML production ramp, and the post-NVDA capex envelope through FY2028.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/05_financials/coherent_inc_integration/https://cohr.primarysourced.com/05_financials/coherent_inc_integration/The July 2022 $7.01B acquisition financials, the post-close deleveraging trajectory, the cost-synergy realization path, the September 8, 2022 rename to Coherent Corp., and the Series B Convertible Preferred financing held by Bain Capital alone via the BCPE Watson SPV.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/05_financials/comps_valuation/https://cohr.primarysourced.com/05_financials/comps_valuation/Lumentum (LITE) duopoly-partner comp; Wolfspeed (WOLF) SiC comp; IPG Photonics (IPGP) industrial-laser comp; NVDA-direct strategic-investment comps (parallel LITE preferred placement).Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/05_financials/dcf_assumptions/https://cohr.primarysourced.com/05_financials/dcf_assumptions/Capacity utilization assumptions, ASP trajectory, NVDA-customer concentration scenarios; explicit base / bull / bear DCF paths through FY2030 with FCF, terminal-value, and sensitivity analysis.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/05_financials/earnings_calls/https://cohr.primarysourced.com/05_financials/earnings_calls/Most recent Coherent Corp earnings transcripts (FY2026 Q1 + Q2; FY2025 Q4 + Q3) with management commitments paraphrased — source-linked, with ≤1-sentence direct quote per management commitment as protected-content guideline.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/05_financials/finisar_integration/https://cohr.primarysourced.com/05_financials/finisar_integration/The September 24, 2019 $3.2B Finisar acquisition — historical reference for the 2022 Coherent Inc. deleveraging cycle baseline; brought InP wafer manufacturing (Sherman TX), VCSEL fabrication (Apple Face ID second-source), and datacom transceiver capability into II-VI's portfolio.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/05_financials/margins_and_pricing/https://cohr.primarysourced.com/05_financials/margins_and_pricing/InP EML ASPs, transceiver gross-margin profile, mix-shift to AI-datacenter, 1.6T module margins exceeding 800G level (per management commentary), 6-inch InP cost advantage; SiC pricing pressure dynamics.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/05_financials/quarterly_trend/https://cohr.primarysourced.com/05_financials/quarterly_trend/Coherent Corp's last 8 quarters of revenue, gross margin, operating income, EPS (GAAP and non-GAAP), and segment revenue — pulled from 10-Q and earnings-release primary sources. Tracks the FY2024 trough through FY2025 ramp through FY2026 H1 strength.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/05_financials/segment_revenue_mix/https://cohr.primarysourced.com/05_financials/segment_revenue_mix/Coherent Corp's revenue mix evolution — the FY2026 reorganization from Networking / Materials / Lasers to Datacenter & Communications / Industrial; AI vs non-AI revenue splits; trajectory FY2024 through FY2026.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/06_market_data/00_overview/https://cohr.primarysourced.com/06_market_data/00_overview/Coherent Corp. stock price, short interest, institutional ownership, and Form 4 insider activity (US-domestic, real-time).Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/06_market_data/credit_market_positioning/https://cohr.primarysourced.com/06_market_data/credit_market_positioning/Term loan, senior notes, and convertible-preferred posture for Coherent Corp. (NYSE: COHR). Post-2022-Coherent-Inc.-acquisition deleveraging cycle, with the Mar 2026 NVDA $2B common-stock injection materially de-risking the structure.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/06_market_data/darkpool_offexchange/https://cohr.primarysourced.com/06_market_data/darkpool_offexchange/FINRA ATS share % for Coherent Corp. (NYSE: COHR), auto-refreshed weekly. Dark-pool concentration is a structural-flow indicator, not a directional signal.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/06_market_data/insider_transactions_log/https://cohr.primarysourced.com/06_market_data/insider_transactions_log/Form 4 insider-transaction series for Coherent Corp. (NYSE: COHR), auto-refreshed daily from EDGAR. US-domestic filer — no HFIAA gap; Form 4 reporting is real-time.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/06_market_data/institutional_holders/https://cohr.primarysourced.com/06_market_data/institutional_holders/13F / 13G top-holder roster for Coherent Corp. (NYSE: COHR), auto-refreshed quarterly from EDGAR. NVIDIA's Mar 2 2026 $2B common-stock investment (7,788,161 shares) is the load-bearing recent shift.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/06_market_data/options_chain/https://cohr.primarysourced.com/06_market_data/options_chain/Options-derivatives feed for Coherent Corp. (NYSE: COHR), auto-refreshed daily from Yahoo. Post-NVDA-deal IV regime context.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/06_market_data/short_interest_history/https://cohr.primarysourced.com/06_market_data/short_interest_history/Bi-monthly FINRA settlement-date short-interest prints for Coherent Corp. (NYSE: COHR), auto-refreshed from FINRA. Confidence: ✓ verified-primary.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/06_market_data/stock_price_history/https://cohr.primarysourced.com/06_market_data/stock_price_history/Daily price series for Coherent Corp. (NYSE: COHR), auto-refreshed from Yahoo Finance. Annotated with the structural events that drove the curve: Finisar 2019 close, Coherent Inc. 2022 close + rename, NVIDIA $2B common-stock investment Mar 2 2026.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/07_thesis/00_overview/https://cohr.primarysourced.com/07_thesis/00_overview/Bull case, bear case, risks, catalysts, and open questions on Coherent Corp.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/07_thesis/bear_case/https://cohr.primarysourced.com/07_thesis/bear_case/Primary risks: NVDA-customer concentration risk, CPO timeline slip, NVDA in-sourcing risk, SiC pricing pressure, balance-sheet leverage residual, vertical-integration operating-leverage compression vs more-focused competitors.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/07_thesis/bull_case/https://cohr.primarysourced.com/07_thesis/bull_case/Primary drivers of the COHR bull thesis: NVDA-direct alignment via the $2B March 2026 common-stock placement, vertically-integrated breadth, 6-inch InP cost-advantage moat, and 2028 CPO optionality with NVIDIA-named partner status.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/07_thesis/catalysts/https://cohr.primarysourced.com/07_thesis/catalysts/Dated near-term and long-term events that could move the COHR thesis: earnings releases, capacity-build milestones, NVDA partnership scope expansion, CPO commercial-volume timing, regulatory milestones.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/07_thesis/cross_thesis_implications/https://cohr.primarysourced.com/07_thesis/cross_thesis_implications/How Coherent Corp news, capacity build-out, NVDA partnership terms, and capital-structure events propagate into the LWLG, LITE, TSEM, GFS, and MRVL theses across the broader photonics-research corpus.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/07_thesis/open_questions/https://cohr.primarysourced.com/07_thesis/open_questions/Unresolved analytic items with explicit confidence flags — questions whose answers would materially update the COHR thesis but for which primary-source evidence is currently incomplete.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/07_thesis/risks/https://cohr.primarysourced.com/07_thesis/risks/Formal risk register: NVDA-customer concentration, CPO timeline slip, China trade restrictions, duopoly margin compression, balance-sheet leverage, SiC pricing pressure, vertical-integration execution, Series B Preferred dilution overhang, regulatory exposure.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/08_sources/00_overview/https://cohr.primarysourced.com/08_sources/00_overview/Primary-source catalog backing the Coherent Corp. knowledge base.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/08_sources/methodology_cohr_specific/https://cohr.primarysourced.com/08_sources/methodology_cohr_specific/Coherent-Corp.-specific methodology notes: US-domestic filer regime, fiscal-year ending late June, Form 4 real-time conventions, 10b5-1 plan tagging, and the II-VI legacy filings pre-September 8, 2022.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/08_sources/primary_filings_index/https://cohr.primarysourced.com/08_sources/primary_filings_index/Comprehensive 10-K + 10-Q + 8-K + Form 4 + Schedule 13G/13D catalog for Coherent Corp. (CIK 0000820318), browsable through the canonical EDGAR feeds.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/08_sources/source_log/https://cohr.primarysourced.com/08_sources/source_log/Consolidated URL roll-up of every primary source cited across the Coherent Corp. KB, organized by category. Auto-rebuilt as new pages are added.Wed, 29 Apr 2026 00:00:00 GMThttps://cohr.primarysourced.com/09_qa/00_index/https://cohr.primarysourced.com/09_qa/00_index/User-submitted questions on Coherent Corp., answered against the KB or primary-source research. Strict no-invention rule: every claim cites a verifiable source or carries a confidence flag.Wed, 29 Apr 2026 00:00:00 GMT