The ticker CTA-PB refers to preferred stock issued by EIDP, Inc., a subsidiary wholly owned by Corteva, Inc., an agricultural science company. EIDP, Inc. has two series of preferred stock registered: the $4.50 Series and the $3.50 Series. Corteva, Inc. owns all common equity interests in EIDP, and EIDP files its annual report on Form 10-K within Corteva's combined filing under a reduced disclosure format. The filing excerpts available do not provide sufficient detail on Corteva's or EIDP's core business activities, revenue segments, product lines, geographic footprint, or competitive positioning to support a full business description. Based solely on the filing excerpts provided, CTA-PB represents preferred equity in EIDP, Inc., a subsidiary of Corteva, Inc., filed with the SEC on February 12, 2026 (accession 000175567226000004) for the fiscal year ended as indicated in that filing.