Periodic reports
Form SD: Specialized disclosure report (conflict minerals)
An annual report on the use of conflict minerals such as tin, tantalum, tungsten and gold. In our snapshot of 3,000 large companies, the newest Form SD was filed by KINDER MORGAN, INC. on Oct 1, 2026.
Filing list from SEC EDGAR, updated Oct 27, 2026, 11:27 PM EDT.
Form SD is used for the conflict minerals disclosure required by the Dodd-Frank Act. Companies that make products using tin, tantalum, tungsten or gold describe their supply-chain due diligence.
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- Who files it
- Reporting companies whose products contain conflict minerals.
- When it is due
- By May 31 each year for the prior calendar year.
- What to look for
- The attached Conflict Minerals Report
Recent Form SD filings
The 100 newest Form SD filings (of 729 in our snapshot) from 100 companies we track. Amended versions are included.
| Filed | Company | Form | What it is | Original |
|---|---|---|---|---|
| Oct 1, 2026 | KMI KINDER MORGAN, INC. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 29, 2026 | ARIS Aris Mining Corp | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 29, 2026 | TMC TMC the metals Co Inc. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 29, 2026 | TTE TotalEnergies SE | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 28, 2026 | CQP Cheniere Energy Partners, L.P. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 28, 2026 | DEC Diversified Energy Co | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 28, 2026 | EOG EOG RESOURCES INC | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 28, 2026 | HAL HALLIBURTON CO | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 28, 2026 | LNG Cheniere Energy, Inc. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 28, 2026 | MOS MOSAIC CO | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 28, 2026 | MTX MINERALS TECHNOLOGIES INC | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 28, 2026 | PBR PETROBRAS - PETROLEO BRASILEIRO SA | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 28, 2026 | SGML Sigma Lithium Corp | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 28, 2026 | SLSR Solaris Resources Inc. | SD | SPECIALIZED DISCLOSURE REPORT | Document · Index |
| Sep 28, 2026 | SQM CHEMICAL & MINING CO OF CHILE INC | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 28, 2026 | VIST Vista Energy, S.A.B. de C.V. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 28, 2026 | WTI W&T OFFSHORE INC | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 25, 2026 | APA APA Corp | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 25, 2026 | BRK-B BERKSHIRE HATHAWAY INC | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 25, 2026 | CDE Coeur Mining, Inc. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 25, 2026 | CX CEMEX SAB DE CV | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 25, 2026 | HCC WARRIOR MET COAL, INC. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 25, 2026 | MGY Magnolia Oil & Gas Corp | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 25, 2026 | OXY OCCIDENTAL PETROLEUM CORP /DE/ | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 25, 2026 | PAM Pampa Energy Inc. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 25, 2026 | VALE Vale S.A. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 25, 2026 | WES Western Midstream Partners, LP | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 25, 2026 | XOM ExxonMobil Holdings Corp | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 24, 2026 | BTU PEABODY ENERGY CORP | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 24, 2026 | ET Energy Transfer LP | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 24, 2026 | FANG Diamondback Energy, Inc. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 24, 2026 | FCX FREEPORT-MCMORAN INC | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 24, 2026 | KNTK Kinetik Holdings Inc. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 24, 2026 | OKE ONEOK INC /NEW/ | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 24, 2026 | TGS GAS TRANSPORTER OF THE SOUTH INC | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 24, 2026 | USAC USA Compression Partners, LP | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 23, 2026 | ACA Arcosa, Inc. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 23, 2026 | ALB ALBEMARLE CORP | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 23, 2026 | CENX CENTURY ALUMINUM CO | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 23, 2026 | CHRD Chord Energy Corp | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 23, 2026 | CNR Core Natural Resources, Inc. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 23, 2026 | CVX CHEVRON CORP | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 23, 2026 | DVN DEVON ENERGY CORP/DE | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 23, 2026 | ENB ENBRIDGE INC | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 23, 2026 | EPD ENTERPRISE PRODUCTS PARTNERS L.P. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 23, 2026 | GFI GOLD FIELDS LTD | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 23, 2026 | GPOR GULFPORT ENERGY CORP | SD | SPECIALIZED DISCLOSURE REPORT | Document · Index |
| Sep 23, 2026 | HESM Hess Midstream LP | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 22, 2026 | AA Alcoa Corp | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 22, 2026 | AU AngloGold Ashanti PLC | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 22, 2026 | EC ECOPETROL S.A. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 22, 2026 | OVV Ovintiv Inc. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 22, 2026 | USAS Americas Gold & Silver Corp | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 21, 2026 | GEL GENESIS ENERGY LP | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 18, 2026 | CLF CLEVELAND-CLIFFS INC. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 18, 2026 | HL HECLA MINING CO/DE/ | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 18, 2026 | MLM MARTIN MARIETTA MATERIALS INC | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 18, 2026 | NOG NORTHERN OIL & GAS, INC. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 18, 2026 | PKX POSCO HOLDINGS INC. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 17, 2026 | AR ANTERO RESOURCES Corp | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 17, 2026 | CRC California Resources Corp | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 17, 2026 | GVA GRANITE CONSTRUCTION INC | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 17, 2026 | LOMA Loma Negra Compania Industrial Argentina Sociedad Anonima | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 17, 2026 | MTDR Matador Resources Co | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 17, 2026 | MUR MURPHY OIL CORP | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 17, 2026 | SKE Skeena Resources Ltd | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 17, 2026 | TALO TALOS ENERGY INC. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 17, 2026 | TRGP Targa Resources Corp. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 16, 2026 | METC Ramaco Resources, Inc. | SD | SPECIALIZED DISCLOSURE REPORT | Document · Index |
| Sep 16, 2026 | SCCO SOUTHERN COPPER CORP/ | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 16, 2026 | VMC Vulcan Materials CO | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 15, 2026 | CVE CENOVUS ENERGY INC. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 15, 2026 | PR Permian Resources Corp | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 15, 2026 | SM SM Energy Co | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 15, 2026 | UUUU ENERGY FUELS INC | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 14, 2026 | AMR Alpha Metallurgical Resources, Inc. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 11, 2026 | COP CONOCOPHILLIPS | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 11, 2026 | NEXA Nexa Resources S.A. | SD | SPECIALIZED DISCLOSURE REPORT | Document · Index |
| Sep 11, 2026 | WMB WILLIAMS COMPANIES, INC. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 10, 2026 | EXK ENDEAVOUR SILVER CORP | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 10, 2026 | ITRG Integra Resources Corp. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 8, 2026 | EXE EXPAND ENERGY Corp | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 4, 2026 | LAR Lithium Argentina AG | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 3, 2026 | ASM AVINO SILVER & GOLD MINES LTD | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 1, 2026 | FSM FORTUNA MINING CORP. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 1, 2026 | RIO RIO TINTO PLC | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 1, 2026 | RTNTF RIO TINTO LTD | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Sep 1, 2026 | USLM UNITED STATES LIME & MINERALS INC | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Aug 31, 2026 | IAUX i-80 Gold Corp. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Aug 28, 2026 | SRE SEMPRA | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Aug 27, 2026 | MAKO Mako Mining Corp. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Aug 20, 2026 | GPRK GeoPark Ltd | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Aug 17, 2026 | AAUC Allied Gold Corp | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Aug 12, 2026 | SSRM SSR MINING INC. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Aug 7, 2026 | NTR Nutrien Ltd. | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Aug 7, 2026 | SLB SLB LIMITED/NV | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Aug 6, 2026 | ARLP ALLIANCE RESOURCE PARTNERS LP | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Aug 4, 2026 | EXP EAGLE MATERIALS INC | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Aug 4, 2026 | RRC RANGE RESOURCES CORP | SD | Specialized disclosure report (conflict minerals) | Document · Index |
| Jul 31, 2026 | AG FIRST MAJESTIC SILVER CORP | SD | Specialized disclosure report (conflict minerals) | Document · Index |
Source: SEC EDGAR submissions data. Our snapshot keeps each company’s 40 newest filings plus its latest key reports, so older or less frequent filings may not appear here — search EDGAR for the complete record.
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