Identified Strategy/MicroStrategy preferred securities (as of early 2026)
Based on SEC filings (S-3, 424B5, 8-K, 8-A12B) and certificate filings:
| Ticker | Security name (SEC wording) | First observed offering/reg filing | Listing venue (from filing) | Notes |
|---|---|---|---|---|
| STRK | 8.00% Series A Perpetual Strike Preferred Stock | 2025-01-27/2025-02-03 (424B5), 2025-02-05 (8-A12B) | Nasdaq Global Select Market | Has holder conversion feature into MSTR common stock. |
| STRF | 10.00% Series A Perpetual Strife Preferred Stock | 2025-03-18/2025-03-21 (424B5), 2025-03-25 (8-A12B) | Nasdaq Global Select Market | Cumulative cash dividends; compounding mechanism if unpaid. |
| STRD | 10.00% Series A Perpetual Stride Preferred Stock | 2025-06-02/2025-06-06 (424B5), 2025-06-10 (8-A12B) | Nasdaq Global Select Market | Non-cumulative, discretionary dividends. |
| STRC | Variable Rate Series A Perpetual Stretch Preferred Stock | 2025-07-21/2025-07-25 (424B5), 2025-07-29 (8-A12B) | Nasdaq Global Select Market | Variable monthly dividend-rate framework (SOFR-linked constraints + issuer discretion). |
| STRE | 10.00% Series A Perpetual Stream Preferred Stock | 2025-11-03/2025-11-07 (424B5), 2025-11-07 (8-K pricing) | Luxembourg Stock Exchange Official List / Euro MTF | Euro-denominated (€100 stated amount). Not found in Nasdaq U.S. symbol lookup. |
Key evidence files
/home/ben/ava/research/mstr-preferreds/sec-filings/strk_8a12b_2025-02-05__0001193125-25-020903__d926493d8a12b.htm/home/ben/ava/research/mstr-preferreds/sec-filings/strf_8a12b_2025-03-25__0001193125-25-062618__d943714d8a12b.htm/home/ben/ava/research/mstr-preferreds/sec-filings/strd_8a12b_2025-06-10__0001193125-25-138505__d947318d8a12b.htm/home/ben/ava/research/mstr-preferreds/sec-filings/strc_8a12b_2025-07-29__0001193125-25-168091__d33775d8a12b.htm/home/ben/ava/research/mstr-preferreds/sec-filings/stre_final_424b5_2025-11-07__0001193125-25-272591__d22199d424b5.htm