What Does "Cumulative" Mean for Preferred Stock?

Cumulative preferred stock makes up missed dividends: whatever the company doesn't pay is recorded as arrears and must be settled before common shareholders receive anything again. With non-cumulative preferred stock, a missed dividend is simply gone. At Strategy, STRF, STRC, STRE and STRK are cumulative, STRD is not. How much that matters shows after a year without dividends: with 100 STRF shares you would then be owed more than $1’000 of arrears plus compounding, with 100 STRD shares nothing.

Cumulative in one sentence

The word comes from the Latin cumulare, to pile up. With cumulative preferred stock, unpaid dividends pile up. They don't disappear but form arrears ("accumulated and unpaid dividends"). Until these arrears are paid in full, the company may not pay its common shareholders a dividend and as a rule may not buy back its own common shares either.

What preferred stock is for in the first place, and why it usually has no vote, is explained in What is preferred stock?.

Cumulative and non-cumulative compared

The middle row matters. Even a non-cumulative security has a brake: with STRD, Strategy may pay no dividend on MSTR unless the STRD dividend for the most recently completed period has been paid in full. But this stopper only covers the current period. One quarter's pause followed by a full payment again, and common shareholders can be paid again. The missed STRD dividend stays lost.

What a year without dividends costs: the worked example

Suppose you hold 100 shares each of STRF, STRK and STRD. Strategy suspends all dividends for four quarters and in the fifth quarter pays everything it has to. The calculation follows the prospectus terms with quarterly payments; from 2027 these three securities pay daily, but the principle is the same.

STRF's penalty rate is not a gift but a deterrent. The longer Strategy fails to pay, the more expensive the arrears become. The prospectus adds a second brake: if Strategy does not declare a STRF dividend in time, this counts as a deferral, and over the following 60 days Strategy must use commercially reasonable efforts to raise the money for the catch-up by selling shares.

Cumulative does not mean guaranteed

The most common misconception: "It's cumulative, so I'll get my money no matter what." Not so. Every bitcoin preferred prospectus states that dividends are paid only "when, as and if declared", i.e. when the board declares them and the law permits payment. You cannot sue for a dividend the way you can for a bond coupon.

What "cumulative" gives you is priority:

1. Over common shareholders: while arrears are outstanding, MSTR shareholders get nothing. That puts pressure on management, which often holds common stock itself.
2. In a wind-up: accumulated arrears are added to your liquidation preference. How much is actually left then is worked through in What is a liquidation preference?.
3. A say: with STRF, preferred holders may elect an additional director if four quarterly dividends in a row were not paid in full, and a second after eight. The prospectus itself says this achieves little, because Michael Saylor controls a large share of the votes.

Whether Strategy ever gets to the point of suspending dividends depends on the capital market and its dollar reserve. That is the subject of The risks of bitcoin preferred stock.

All bitcoin preferred stocks: which ones make up arrears?

As of November 2026, from the issuers' prospectuses and filings. SATA and SATS are covered in Strive SATA and SATS, MERCURY in the article on Metaplanet's MARS and MERCURY.

How the market prices the difference

STRF and STRD are both Strategy's, both pay 10% on $100, and both have paid on time so far. Yet on 12 Nov 2026 their prices were more than $34 apart:

The STRK versus STRD comparison is the most revealing: both rank far back, both cost about $67, but STRK pays $2 less a year. Buyers thus give up $2 of dividend per share for a catch-up right (and a conversion right into MSTR that is far out of reach at today's price). The full comparison of Strategy's fixed-rate securities is in STRF, STRK, STRD, STRE compared.

Cumulative in German company law

German company law also knows the distinction, under the word "nachzuzahlen" (to be paid later). Under section 139 of the Stock Corporation Act, a prior dividend must be made up unless the articles say otherwise. Since the 2016 reform, the articles may therefore exclude it.

Section 140 is interesting: if a cumulative preference is not paid in one year and not made up with the arrears the next year, preference holders gain voting rights until everything is paid. With a non-cumulative preference, voting rights revive as soon as the preference is missed in a year and end once it is paid in full for a year again. German law thus gives preference holders real votes after a default; the US model only gives them individual board seats.

How to check before you buy

Finally, check against your goal: if you want the dividends to pay running expenses, a catch-up right helps you little in a crisis, because nothing flows during the crisis anyway. It protects the value of your claim, not your cash flow. How to build a more robust cash flow is covered in Monthly cash flow with Digital Credit.