Sientra, Inc. short interest in 2021

In 2021, Sientra, Inc.'s disclosed short interest ran from 5.60% of shares outstanding on 15 Jan 2021 to 18.30% on 31 Dec 2021, a change of +12.70 percentage points. The year's high was 19.45% on 15 Jul 2021 and its low 4.14% on 26 Feb 2021, averaging 14.59% across 24 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 24.77 days on 29 Oct 2021. Full history: Sientra, Inc..

Cite this page

Plain

Short position data for Sientra, Inc. short interest in 2021: FINRA, compiled by howshorted.com, settlement date 31 Dec 2021. https://howshorted.com/us/company/sienq-2024/2021/

Wikipedia

<ref>{{cite web |title=Sientra, Inc. short interest in 2021 short position data |url=https://howshorted.com/us/company/sienq-2024/2021/ |website=HowShorted |publisher=howshorted.com (data: FINRA) |date=2021-12-31 |access-date=2026-10-13}}</ref>

BibTeX

@misc{howshorted-sientra-inc-short-interest-in-2021-2021-12-31,
  title        = {Sientra, Inc. short interest in 2021 short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/sienq-2024/2021/}},
  note         = {Data: FINRA, settlement date 31 Dec 2021; accessed 2026-10-13},
  year         = {2021}
}

By year: 2018 · 2019 · 2020 · 2021 · 2022 · 2023

2021 in figures

Start of year: 5.60% (15 Jan 2021)
End of year: 18.30% (31 Dec 2021)
Change: +12.70 pp
High: 19.45% (15 Jul 2021)
Low: 4.14% (26 Feb 2021)
Average: 14.59%
Highest days to cover: 24.77 (29 Oct 2021)
SEC filings marked: 9

Every report in 2021

Sientra, Inc. short interest in 2021
Settlement	Short interest	Days to cover	Filings since previous
15 Jan 2021	5.60%	5.89
29 Jan 2021	5.49%	4.59
12 Feb 2021	4.33%	1.00	results (8-K)
26 Feb 2021	4.14%	1.98
15 Mar 2021	6.25%	3.24	10-K filed, results (8-K)
31 Mar 2021	9.28%	4.82
15 Apr 2021	11.13%	12.60
30 Apr 2021	13.00%	14.99
14 May 2021	14.50%	9.34	10-Q filed, results (8-K)
28 May 2021	16.71%	18.58
15 Jun 2021	17.58%	19.91
30 Jun 2021	17.58%	21.93
15 Jul 2021	19.45%	6.63
30 Jul 2021	19.38%	24.14
13 Aug 2021	18.88%	17.43	10-Q filed, results (8-K)
31 Aug 2021	18.71%	13.05
15 Sep 2021	19.05%	23.09
30 Sep 2021	18.79%	22.34
15 Oct 2021	18.52%	24.65
29 Oct 2021	18.56%	24.77
15 Nov 2021	18.47%	22.22	results (8-K), 10-Q filed
30 Nov 2021	18.25%	16.88
15 Dec 2021	18.10%	23.06
31 Dec 2021	18.30%	18.45

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.