SEC Membership Book (MB)
Fill SEC Membership Book (MB) online and download the official form as a PDF, ready to print. Every input is mapped to its printed box, so IDs, dates and amounts land digit by digit in the right cells, and a value the form cannot hold is refused with the reason instead of being printed wrong.
What you will need: AFFIDAVIT OF LOSS, HAS BEEN REGISTERED FOR THE USE OF, SEC REGISTRATION NO, DATE OF REGISTRATION, DAY OF, Corporate Filing and Records Division/Satellite Office.
The form is the agency's own, from sec.gov.ph (checked 2026-10-14): the PDF you download is that form with your values printed in its boxes.
The free clean PDF is that pack’s shortest form. A later form in the same pack needs the Starter plan (₱499) or above. Preview, check, and verify stay free. Not affiliated with BIR, SSS, PhilHealth, Pag-IBIG or any government agency.