AST SpaceMobile, Inc. Class A short interest in 2021

In 2021, AST SpaceMobile, Inc. Class A's disclosed short interest ran from 1.85% of shares outstanding on 13 Aug 2021 to 3.43% on 31 Dec 2021, a change of +1.58 percentage points. The year's high was 3.43% on 31 Dec 2021 and its low 1.85% on 13 Aug 2021, averaging 2.95% across 10 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 7.82 days on 31 Dec 2021. Full history: AST SpaceMobile, Inc. Class A.

Cite this page

Plain

Short position data for AST SpaceMobile, Inc. Class A short interest in 2021: FINRA, compiled by howshorted.com, settlement date 31 Dec 2021. https://howshorted.com/us/company/asts/2021/

Wikipedia

<ref>{{cite web |title=AST SpaceMobile, Inc. Class A short interest in 2021 short position data |url=https://howshorted.com/us/company/asts/2021/ |website=HowShorted |publisher=howshorted.com (data: FINRA) |date=2021-12-31 |access-date=2026-10-13}}</ref>

BibTeX

@misc{howshorted-ast-spacemobile-inc-class-a-short-intere-2021-12-31,
  title        = {AST SpaceMobile, Inc. Class A short interest in 2021 short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/asts/2021/}},
  note         = {Data: FINRA, settlement date 31 Dec 2021; accessed 2026-10-13},
  year         = {2021}
}

By year: 2021 · 2022 · 2023 · 2024 · 2025 · 2026

2021 in figures

Start of year: 1.85% (13 Aug 2021)
End of year: 3.43% (31 Dec 2021)
Change: +1.58 pp
High: 3.43% (31 Dec 2021)
Low: 1.85% (13 Aug 2021)
Average: 2.95%
Highest days to cover: 7.82 (31 Dec 2021)
SEC filings marked: 6

Every report in 2021

AST SpaceMobile, Inc. Class A short interest in 2021
Settlement	Short interest	Days to cover	Filings since previous
13 Aug 2021	1.85%	3.37	10-K filed, 10-Q filed
31 Aug 2021	2.72%	2.54	10-Q filed, results (8-K)
15 Sep 2021	2.72%	4.19
30 Sep 2021	2.99%	3.03
15 Oct 2021	3.18%	7.11
29 Oct 2021	3.10%	7.36
15 Nov 2021	3.11%	6.06	10-Q filed, results (8-K)
30 Nov 2021	3.05%	4.49
15 Dec 2021	3.34%	5.03
31 Dec 2021	3.43%	7.82

About this data

US short interest data: FINRA (finra.org), shown as reported shares short divided by SEC-reported shares outstanding for each settlement date. FINRA® is a registered trademark of the Financial Industry Regulatory Authority, Inc. This site is not affiliated with or endorsed by FINRA or the SEC; displayed for personal reference, bulk redistribution is not permitted (see terms). Nothing here is investment advice. Method: methodology.