C4 Therapeutics, Inc. short interest in 2021

In 2021, C4 Therapeutics, Inc.'s disclosed short interest ran from 4.20% of shares outstanding on 15 Jan 2021 to 6.53% on 31 Dec 2021, a change of +2.33 percentage points. The year's high was 8.51% on 31 Mar 2021 and its low 3.58% on 29 Jan 2021, averaging 5.60% across 24 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 17.95 days on 29 Oct 2021. Full history: C4 Therapeutics, Inc..

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Plain

Short position data for C4 Therapeutics, Inc. short interest in 2021: FINRA, compiled by howshorted.com, settlement date 31 Dec 2021. https://howshorted.com/us/company/cccc/2021/

Wikipedia

<ref>{{cite web |title=C4 Therapeutics, Inc. short interest in 2021 short position data |url=https://howshorted.com/us/company/cccc/2021/ |website=HowShorted |publisher=howshorted.com (data: FINRA) |date=2021-12-31 |access-date=2026-10-13}}</ref>

BibTeX

@misc{howshorted-c4-therapeutics-inc-short-interest-in-20-2021-12-31,
  title        = {C4 Therapeutics, Inc. short interest in 2021 short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/cccc/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: 4.20% (15 Jan 2021)
End of year: 6.53% (31 Dec 2021)
Change: +2.33 pp
High: 8.51% (31 Mar 2021)
Low: 3.58% (29 Jan 2021)
Average: 5.60%
Highest days to cover: 17.95 (29 Oct 2021)
SEC filings marked: 9

Every report in 2021

C4 Therapeutics, Inc. short interest in 2021
Settlement	Short interest	Days to cover	Filings since previous
15 Jan 2021	4.20%	9.19	results (8-K)
29 Jan 2021	3.58%	9.68
12 Feb 2021	3.71%	14.83
26 Feb 2021	4.52%	11.07
15 Mar 2021	4.79%	11.14	10-K filed, results (8-K)
31 Mar 2021	8.51%	9.63
15 Apr 2021	6.88%	5.96
30 Apr 2021	6.05%	10.42
14 May 2021	6.16%	11.12	10-Q filed, results (8-K)
28 May 2021	5.68%	6.46
15 Jun 2021	5.47%	5.02
30 Jun 2021	6.48%	2.87
15 Jul 2021	6.15%	8.90
30 Jul 2021	6.15%	7.65
13 Aug 2021	5.65%	7.04	10-Q filed, results (8-K)
31 Aug 2021	5.00%	10.43
15 Sep 2021	4.68%	6.27
30 Sep 2021	5.50%	6.25
15 Oct 2021	5.48%	11.60
29 Oct 2021	5.58%	17.95
15 Nov 2021	5.69%	13.26	10-Q filed, results (8-K)
30 Nov 2021	5.69%	12.63
15 Dec 2021	6.18%	7.51
31 Dec 2021	6.53%	7.23

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.