SEC Filings

SEC filing year list 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2012
Date Filing Description Download
Dec 20, 2022 Form DEFA14A Additional Proxy Soliciting Materials (definitive)
Dec 20, 2022 Form DEFA14A Additional Proxy Soliciting Materials (definitive)
Dec 16, 2022 Form DEFA14A Additional Proxy Soliciting Materials (definitive)
Dec 14, 2022 Form EFFECT Effectiveness Order
Dec 06, 2022 Form S-3 Securities Registration Statement (simplified form)
Nov 17, 2022 Form PRE 14A Proxy Statement - Notice of Shareholders Meeting (preliminary)
Nov 14, 2022 Form 4 Statement of Changes in Beneficial Ownership
Nov 14, 2022 Form 4 Statement of Changes in Beneficial Ownership
Oct 24, 2022 Form 424B5 Prospectus filed pursuant to Rule 424(b)(5)
Oct 18, 2022 Form 424B5 Prospectus filed pursuant to Rule 424(b)(5)
Oct 17, 2022 Form 424B3 Prospectus filed pursuant to Rule 424(b)(3)
Aug 04, 2022 Form 4 Statement of Changes in Beneficial Ownership
Jun 13, 2022 Form 4 Statement of Changes in Beneficial Ownership
Jun 13, 2022 Form 4 Statement of Changes in Beneficial Ownership
Jun 13, 2022 Form 4 Statement of Changes in Beneficial Ownership
Jun 13, 2022 Form 4 Statement of Changes in Beneficial Ownership
Jun 13, 2022 Form 4 Statement of Changes in Beneficial Ownership
Jun 13, 2022 Form 4 Statement of Changes in Beneficial Ownership
May 27, 2022 Form EFFECT Effectiveness Order
May 26, 2022 Form 4 Statement of Changes in Beneficial Ownership
May 12, 2022 Form S-3 Securities Registration Statement (simplified form)
May 05, 2022 Form 4 Statement of Changes in Beneficial Ownership
Apr 29, 2022 Form DEFA14A Additional Proxy Soliciting Materials (definitive)
Apr 06, 2022 Form 4 Statement of Changes in Beneficial Ownership
Apr 06, 2022 Form 4 Statement of Changes in Beneficial Ownership
Apr 01, 2022 Form S-8 Securities Registration: Employee Benefit Plan
Mar 18, 2022 Form 4 Statement of Changes in Beneficial Ownership
Mar 18, 2022 Form 4 Statement of Changes in Beneficial Ownership
Mar 18, 2022 Form 4 Statement of Changes in Beneficial Ownership
Feb 07, 2022 Form 4 Statement of Changes in Beneficial Ownership
Jan 14, 2022 Form 4 Statement of Changes in Beneficial Ownership
Jan 10, 2022 Form 4 Statement of Changes in Beneficial Ownership

Nasdaq: SIEN

Stock Quote: NASD

$0.17 -0.04
Volume 3,435,111
Previous Close 0.21
Intraday High 0.20
Intraday Low 0.16
Pricing delayed 20 minutes
Price Change % Change -18.69% 52 Week High 4.94 52 Week Low 0.16 Today's Open 0.19 Feb 21, 2024 04:00 PM

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