существительноене входит в учебный набор

die Sperrfrist

[ˈʃpɛʁˌfʁɪst]

lock-up period, holding period; embargo; ban period, waiting period

Значения

1
lock-up period, holding period — a period during which investors or insiders are prohibited from selling their shares, often after an IPO
2
embargo — a request by a source that the information provided not be published until a certain time
3
ban period, waiting period — a period during which a person is barred from a certain activity, such as driving after a license revocation

Светлым шрифтом — формы, выведенные по обычным правилам склонения из именительного, родительного падежа и множественного числа.