SCI Engineered Materials, Inc.

SCIA·OTC·$7.66Share Price as of 11/2·$34MMarket Cap as of 11/2

Financials

10-QQ3 ended 09/30/2610/29/26 10-QQ2 ended 06/30/2607/30/26 10-QQ1 ended 03/31/2605/01/26 10-KFY 202502/17/26 10-QQ3 ended 09/30/2510/31/25

Disclosures

8-KCurrent report08/13/26 8-KCurrent report05/20/26 8-KCurrent report04/01/26 8-KCurrent report04/01/26 8-KCurrent report02/24/26

Prospectuses and Registrations

424B3Prospectus11/02/10 424B3Prospectus07/29/10 424B3Prospectus04/30/10 424B3Prospectus02/18/10 424B3Prospectus11/05/09

Proxies

DEF 14ADefinitive proxy04/07/26 DEFA14AAdditional proxy materials04/07/26 DEFR14ADefinitive proxy (revised)05/19/25 DEF 14ADefinitive proxy05/06/25 DEFA14AAdditional proxy materials05/06/25

Ownership

Form 3Initial insider ownership04/03/26 Form 3Initial insider ownership03/06/26 Form 4Insider transaction02/23/26 Form 4Insider transaction02/23/26 SC 13DBeneficial ownership02/19/26

Other

SDConflict Minerals disclosure05/15/26 SDConflict Minerals disclosure05/22/25 SDConflict Minerals disclosure05/22/24 SDConflict Minerals disclosure05/16/23 SDConflict Minerals disclosure05/11/22