Date Filing Description Download
Dec 26, 2018 SC 13G Statement of Ownership
Dec 21, 2018 8-K Current report filing
Nov 14, 2018 4 Statement of Changes in Beneficial Ownership
Nov 08, 2018 4 Statement of Changes in Beneficial Ownership
Nov 06, 2018 10-Q Quarterly Report
Nov 06, 2018 8-K Current report filing
Oct 22, 2018 8-K Current report filing
Sep 20, 2018 8-K Current report filing
Sep 05, 2018 4 Statement of Changes in Beneficial Ownership
Aug 10, 2018 4 Statement of Changes in Beneficial Ownership
Aug 10, 2018 3 Initial Statement of Beneficial Ownership
Aug 08, 2018 4 Statement of Changes in Beneficial Ownership
Aug 08, 2018 4 Statement of Changes in Beneficial Ownership
Aug 07, 2018 10-Q Quarterly Report
Aug 07, 2018 8-K Current report filing
Jul 03, 2018 8-K Current report filing
Jun 07, 2018 4 Statement of Changes in Beneficial Ownership
Jun 07, 2018 4 Statement of Changes in Beneficial Ownership
Jun 07, 2018 4 Statement of Changes in Beneficial Ownership
Jun 07, 2018 4 Statement of Changes in Beneficial Ownership
Jun 07, 2018 4 Statement of Changes in Beneficial Ownership
Jun 07, 2018 4 Statement of Changes in Beneficial Ownership
Jun 07, 2018 8-K Current report filing
May 09, 2018 4 Statement of Changes in Beneficial Ownership
May 09, 2018 10-Q Quarterly Report
May 09, 2018 4 Statement of Changes in Beneficial Ownership
May 09, 2018 4 Statement of Changes in Beneficial Ownership
May 09, 2018 4 Statement of Changes in Beneficial Ownership
May 09, 2018 4 Statement of Changes in Beneficial Ownership
May 09, 2018 4 Statement of Changes in Beneficial Ownership
May 09, 2018 SC 13D/A Amended Statement of Beneficial Ownership
May 09, 2018 4 Statement of Changes in Beneficial Ownership
May 09, 2018 4 Statement of Changes in Beneficial Ownership
May 09, 2018 8-K Current report filing
May 04, 2018 424B5 Prospectus filed pursuant to Rule 424(b)(5)
May 04, 2018 8-K Current report filing
May 03, 2018 S-3MEF Registration of Additional Securities (up to 20%)
Apr 30, 2018 424B5 Prospectus filed pursuant to Rule 424(b)(5)
Apr 30, 2018 8-K Current report filing
Apr 30, 2018 10-K/A Amended Annual Report
Apr 26, 2018 DEFA14A Additional Proxy Soliciting Materials (definitive)
Apr 26, 2018 DEF 14A Proxy Statement (definitive)
Apr 20, 2018 8-K Current report filing
Mar 26, 2018 8-K Current report filing
Mar 15, 2018 S-8 Securities Registration: Employee Benefit Plan
Mar 14, 2018 4 Statement of Changes in Beneficial Ownership
Mar 13, 2018 10-K Annual Report
Mar 13, 2018 8-K Current report filing
Feb 20, 2018 8-K Current report filing
Feb 20, 2018 424B5 Prospectus filed pursuant to Rule 424(b)(5)
Feb 14, 2018 SC 13G/A Amended Statement of Ownership
Feb 14, 2018 SC 13G/A Amended Statement of Ownership
Feb 14, 2018 SC 13G Statement of Ownership
Feb 02, 2018 EFFECT Effectiveness Order
Jan 25, 2018 8-K Current report filing
Jan 23, 2018 4 Statement of Changes in Beneficial Ownership
Jan 23, 2018 4 Statement of Changes in Beneficial Ownership
Jan 23, 2018 4 Statement of Changes in Beneficial Ownership
Jan 08, 2018 8-K Current report filing
Jan 08, 2018 S-3 Securities Registration Statement (simplified form)
Jan 05, 2018 4 Statement of Changes in Beneficial Ownership
Jan 05, 2018 4 Statement of Changes in Beneficial Ownership

Nasdaq: SIEN

Stock Quote: NASD

$1.63 -0.01
Volume 75,916
Previous Close 1.64
Intraday High 1.70
Intraday Low 1.59
Pricing delayed 20 minutes
Price Change % Change -0.61% 52 Week High 16.50 52 Week Low 1.25 Today's Open 1.63 Jun 02, 2023 04:00 PM

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