IPOGrid
0001071840
Company

SolarWindow Technologies, Inc.

Industrial Organic Chemicals · WNDW

follow-on amended OTCID S-1/A

Filing Timeline

SEC EDGAR
S-1/A amended
Amended registration statement
Updated registration statement filed after SEC comments or deal changes.
Updates the prior S-1 filing.
2026-03-20 · 0001171843-26-001816
S-1 filed
Initial registration statement
Initial public filing submitted to start the SEC review process.
Follows EFFECT in the pre-IPO sequence.
2025-10-09 · 0001171843-25-006379
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows EFFECT and marks the registration effective.
2025-04-09 · 9999999995-25-001053
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows S-1/A and marks the registration effective.
2024-12-12 · 9999999995-24-003757
S-1/A amended
Amended registration statement
Updated registration statement filed after SEC comments or deal changes.
Updates the prior S-1 filing.
2024-11-20 · 0001171843-24-006495
S-1 filed
Initial registration statement
Initial public filing submitted to start the SEC review process.
Follows EFFECT in the pre-IPO sequence.
2024-10-18 · 0001171843-24-005697
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows EFFECT and marks the registration effective.
2022-12-15 · 9999999995-22-003546
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows EFFECT and marks the registration effective.
2022-12-15 · 9999999995-22-003544
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows EFFECT and marks the registration effective.
2021-07-08 · 9999999995-21-002685
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows EFFECT and marks the registration effective.
2021-06-24 · 9999999995-21-002506
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows EFFECT and marks the registration effective.
2021-03-16 · 9999999995-21-000955
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows 424B4 and marks the registration effective.
2019-04-10 · 9999999995-19-000654
424B4 priced
Final prospectus
Final prospectus filed after pricing with final deal terms.
Follows EFFECT and confirms the priced prospectus.
2018-05-17 · 0001477932-18-002567
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows S-1/A and marks the registration effective.
2018-05-11 · 9999999995-18-001222
S-1/A amended
Amended registration statement
Updated registration statement filed after SEC comments or deal changes.
Updates the prior EFFECT filing.
2018-04-23 · 0001477932-18-002001
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows S-1 and marks the registration effective.
2018-02-23 · 9999999995-18-000485
S-1 filed
Initial registration statement
Initial public filing submitted to start the SEC review process.
Follows EFFECT in the pre-IPO sequence.
2018-02-01 · 0001477932-18-000597
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows EFFECT and marks the registration effective.
2016-11-30 · 9999999995-16-006340
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows EFFECT and marks the registration effective.
2016-11-30 · 9999999995-16-006338
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows S-1/A and marks the registration effective.
2016-08-18 · 9999999995-16-005467
S-1/A amended
Amended registration statement
Updated registration statement filed after SEC comments or deal changes.
Updates the prior S-1 filing.
2016-08-11 · 0001477932-16-011774
S-1 filed
Initial registration statement
Initial public filing submitted to start the SEC review process.
Follows EFFECT in the pre-IPO sequence.
2016-07-29 · 0001477932-16-011564
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows EFFECT and marks the registration effective.
2016-07-26 · 9999999995-16-005234
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows EFFECT and marks the registration effective.
2015-12-30 · 9999999995-15-003433
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows EFFECT and marks the registration effective.
2015-12-23 · 9999999995-15-003374
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows EFFECT and marks the registration effective.
2014-12-30 · 9999999995-14-003905
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows S-1/A and marks the registration effective.
2014-12-17 · 9999999995-14-003715
S-1/A amended
Amended registration statement
Updated registration statement filed after SEC comments or deal changes.
Updates the prior EFFECT filing.
2014-12-03 · 0001477932-14-006820
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows S-1/A and marks the registration effective.
2014-11-26 · 9999999995-14-003527
S-1/A amended
Amended registration statement
Updated registration statement filed after SEC comments or deal changes.
Updates the prior EFFECT filing.
2014-11-18 · 0001477932-14-006484
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows S-1 and marks the registration effective.
2014-08-26 · 9999999995-14-002604
S-1 filed
Initial registration statement
Initial public filing submitted to start the SEC review process.
Follows EFFECT in the pre-IPO sequence.
2014-08-22 · 0001477932-14-004766
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows EFFECT and marks the registration effective.
2013-12-23 · 9999999995-13-003663
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows S-1 and marks the registration effective.
2013-12-18 · 9999999995-13-003590
S-1 filed
Initial registration statement
Initial public filing submitted to start the SEC review process.
Follows EFFECT in the pre-IPO sequence.
2013-12-16 · 0001477932-13-006072
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows EFFECT and marks the registration effective.
2013-01-11 · 9999999995-13-000169
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows EFFECT and marks the registration effective.
2013-01-09 · 9999999995-13-000147
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows S-1/A and marks the registration effective.
2012-09-11 · 9999999995-12-002714
S-1/A amended
Amended registration statement
Updated registration statement filed after SEC comments or deal changes.
Updates the prior S-1/A filing.
2012-08-23 · 0001144204-12-047722
S-1/A amended
Amended registration statement
Updated registration statement filed after SEC comments or deal changes.
Updates the prior S-1 filing.
2012-08-16 · 0001144204-12-046525
S-1 filed
Initial registration statement
Initial public filing submitted to start the SEC review process.
Follows EFFECT in the pre-IPO sequence.
2012-06-21 · 0001144204-12-035802
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows EFFECT and marks the registration effective.
2011-07-27 · 9999999995-11-002280
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows S-1/A and marks the registration effective.
2010-05-28 · 9999999995-10-001661
S-1/A amended
Amended registration statement
Updated registration statement filed after SEC comments or deal changes.
Updates the prior S-1/A filing.
2010-05-20 · 0001467809-10-000119
S-1/A amended
Amended registration statement
Updated registration statement filed after SEC comments or deal changes.
Updates the prior S-1/A filing.
2010-04-30 · 0001467809-10-000094
S-1/A amended
Amended registration statement
Updated registration statement filed after SEC comments or deal changes.
Updates the prior S-1/A filing.
2010-03-18 · 0001467809-10-000056
S-1/A amended
Amended registration statement
Updated registration statement filed after SEC comments or deal changes.
Updates the prior S-1/A filing.
2010-02-26 · 0001467809-10-000049
S-1/A amended
Amended registration statement
Updated registration statement filed after SEC comments or deal changes.
Updates the prior S-1 filing.
2010-01-29 · 0001467809-10-000028
S-1 filed
Initial registration statement
Initial public filing submitted to start the SEC review process.
Follows EFFECT in the pre-IPO sequence.
2009-10-09 · 0001467809-09-000037
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows S-1 and marks the registration effective.
2008-03-21 · 9999999995-08-000863
S-1 filed
Initial registration statement
Initial public filing submitted to start the SEC review process.
Follows EFFECT in the pre-IPO sequence.
2008-03-12 · 0001071840-08-000011
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
First tracked pre-IPO filing for this issuer.
2007-06-06 · 9999999995-07-002269
Comparable Deals

3 comparable deals

Healthcare & BiotechMicro (<$50M)Last 18 months
Only 0 strict matches; expanded to 3 using nearest neighbors.
-20.9%
Median day-1
0%
Above issue
-23.3%
Median week-1
-89.2%
Downside (p10)
Aardvark Therapeutics, Inc. AARD
2026-02-06 $94M Day 1: -20.9% Wk 1: -23.3%
same SIC grouprecent IPO
MiniMed Group, Inc. MMED
2026-03-06 $538M Day 1: -7.6% Wk 1: -17.3%
same sectorrecent IPO
Wetour Robotics Ltd WETO
2026-03-02 $8M Day 1: -89.2% Wk 1: -88.8%
recent IPO

Recent News

No recent news stored for this issuer.