X0708 D/A LIVE 0001722509 SELIGMAN TECH SPECTRUM OFFSHORE FUND BOX 309, UGLAND HOUSE SOUTH CHURCH STREET GEORGE TOWN, GRAND CAYMAN E9 CAYMAN ISLANDS KY1-1104 212-850-1802 CAYMAN ISLANDS None None Other An exempted company with limited liability under the laws of the Cayman Islands. true John Banks 290 Congress Street Boston MA MASSACHUSETTS 02210 Director David C. Litton 290 Congress Street Boston MA MASSACHUSETTS 02210 Director Grant K. Jackson 290 Congress Street Boston MA MASSACHUSETTS 02210 Director Amy L. Hackbarth 5228 Ameriprise Financial Center Minneapolis MN MINNESOTA 55474 Executive Officer Ms. Hackbarth is an authorized signatory of the Issuer. Gurnek Teja 290 Congress Street Boston MA MASSACHUSETTS 02210 Director Matthew Rich 290 Congress Street Boston MA MASSACHUSETTS 02210 Executive Officer Mr. Rich is an authorized signatory of the Issuer. Pooled Investment Fund Other Investment Fund false Decline to Disclose 3C.7 06b 3C true 0001567619-22-020864 2017-11-01 true true true Class A and Class B Shares. false 100000 N/A None COLUMBIA MANAGEMENT INVESTMENT DISTRIBUTORS, INC. 000000840 290 Congress Street Boston MA MASSACHUSETTS 02210 All States false Indefinite 619044248 Indefinite The total amount sold and the number of investors do not take redemptions and/or withdrawals into consideration. false 109 0 true 0 The persons listed in Item 12 are entitled to receive the front-end sales charges. Such amounts cannot be estimated. 0 true Affiliates (Investment Manager) of, and/or persons named in Item 3 may receive payments deemed to be made from the proceeds of the offering, including investment management fees. The amount of such payments cannot be estimated at this time. false SELIGMAN TECH SPECTRUM OFFSHORE FUND /s/ Matthew Rich Matthew Rich Authorized Signatory of the Issuer 2026-10-08