IPOGrid
0001267395
IPO filing research

ASPEN INSURANCE HOLDINGS LTD

Fire, Marine & Casualty Insurance · AHL.PD

follow-on priced NYSE 424B5

ASPEN INSURANCE HOLDINGS LTD IPO research page with SEC filing history, offering status, deal terms, structured filing extracts, company news, and comparable IPO context. Latest filing: 424B5 on 2025-06-11. Current deal snapshot: exchange NYSE.

Filing Timeline

SEC EDGAR
20-F supplemental
20-F
Pre-IPO filing captured from the SEC submission timeline.
Follows 424B5 in the pre-IPO sequence.
2026-03-30 · 0001267395-26-000007
424B5 priced
Final prospectus supplement
Prospectus supplement filed near launch with final deal terms.
Follows FWP and confirms the priced prospectus.
2025-06-11 · 0001628280-25-030754
FWP supplemental
Free writing prospectus
Prospectus supplement or marketing filing that often updates active offering terms.
Follows 424B5 and supplements the active offering with updated prospectus details.
2025-06-10 · 0001628280-25-030519
424B5 priced
Final prospectus supplement
Prospectus supplement filed near launch with final deal terms.
Follows 424B4 and confirms the priced prospectus.
2025-06-09 · 0001628280-25-030114
424B4 priced
Final prospectus
Final prospectus filed after pricing with final deal terms.
Follows EFFECT and confirms the priced prospectus.
2025-05-08 · 0001628280-25-023859
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows 8-A12B and marks the registration effective.
2025-05-07 · 9999999995-25-001441
8-A12B effective
Exchange Act registration
Registration filed to list the securities under the Exchange Act ahead of trading.
Follows CERT and registers the class of securities for exchange listing.
2025-05-07 · 0001628280-25-023145
CERT inactive
CERT
Pre-IPO filing captured from the SEC submission timeline.
Follows F-1/A in the pre-IPO sequence.
2025-05-07 · 0000876661-25-000304
F-1/A amended
Amended foreign registration statement
Updated foreign registration statement filed after SEC comments or deal changes.
Updates the prior F-1/A filing.
2025-04-29 · 0001628280-25-020463
F-1/A amended
Amended foreign registration statement
Updated foreign registration statement filed after SEC comments or deal changes.
Updates the prior 20-F filing.
2025-03-20 · 0001628280-25-014149
20-F supplemental
20-F
Pre-IPO filing captured from the SEC submission timeline.
Follows F-1/A in the pre-IPO sequence.
2025-03-19 · 0001267395-25-000019
F-1/A amended
Amended foreign registration statement
Updated foreign registration statement filed after SEC comments or deal changes.
Updates the prior 8-A12B filing.
2024-12-11 · 0001628280-24-050781
8-A12B effective
Exchange Act registration
Registration filed to list the securities under the Exchange Act ahead of trading.
Follows CERT and registers the class of securities for exchange listing.
2024-11-26 · 0001628280-24-049282
CERT inactive
CERT
Pre-IPO filing captured from the SEC submission timeline.
Follows 424B5 in the pre-IPO sequence.
2024-11-26 · 0000876661-24-001113
424B5 priced
Final prospectus supplement
Prospectus supplement filed near launch with final deal terms.
Follows FWP and confirms the priced prospectus.
2024-11-25 · 0001628280-24-049147
FWP supplemental
Free writing prospectus
Prospectus supplement or marketing filing that often updates active offering terms.
Follows 424B2 and supplements the active offering with updated prospectus details.
2024-11-21 · 0001628280-24-048848
424B2 filed
Prospectus supplement
Prospectus supplement that can carry timing details without itself confirming imminent trading.
Follows F-1/A in the pre-IPO sequence.
2024-11-21 · 0001628280-24-048738
F-1/A amended
Amended foreign registration statement
Updated foreign registration statement filed after SEC comments or deal changes.
Updates the prior 20-F filing.
2024-04-05 · 0001628280-24-015065
20-F supplemental
20-F
Pre-IPO filing captured from the SEC submission timeline.
Follows F-1/A in the pre-IPO sequence.
2024-04-01 · 0001267395-24-000012
F-1/A amended
Amended foreign registration statement
Updated foreign registration statement filed after SEC comments or deal changes.
Updates the prior F-1 filing.
2024-02-01 · 0001628280-24-002923
F-1 filed
Initial foreign registration statement
Initial public filing for a foreign issuer submitted to start the SEC review process.
Follows EFFECT in the pre-IPO sequence.
2023-12-20 · 0001628280-23-042245
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows 20-F and marks the registration effective.
2023-06-26 · 9999999995-23-001851
20-F supplemental
20-F
Pre-IPO filing captured from the SEC submission timeline.
Follows 20-F in the pre-IPO sequence.
2023-04-20 · 0001267395-23-000015
20-F supplemental
20-F
Pre-IPO filing captured from the SEC submission timeline.
Follows 20-F in the pre-IPO sequence.
2022-05-16 · 0001267395-22-000020
20-F supplemental
20-F
Pre-IPO filing captured from the SEC submission timeline.
Follows 20-F in the pre-IPO sequence.
2021-04-09 · 0001267395-21-000021
20-F supplemental
20-F
Pre-IPO filing captured from the SEC submission timeline.
Follows 8-A12B in the pre-IPO sequence.
2020-04-06 · 0001267395-20-000031
8-A12B effective
Exchange Act registration
Registration filed to list the securities under the Exchange Act ahead of trading.
Follows CERT and registers the class of securities for exchange listing.
2019-08-13 · 0001267395-19-000106
CERT inactive
CERT
Pre-IPO filing captured from the SEC submission timeline.
Follows 424B5 in the pre-IPO sequence.
2019-08-13 · 0000876661-19-000850
424B5 priced
Final prospectus supplement
Prospectus supplement filed near launch with final deal terms.
Follows FWP and confirms the priced prospectus.
2019-08-08 · 0001267395-19-000100
FWP supplemental
Free writing prospectus
Prospectus supplement or marketing filing that often updates active offering terms.
Follows 424B2 and supplements the active offering with updated prospectus details.
2019-08-06 · 0001267395-19-000091
424B2 filed
Prospectus supplement
Prospectus supplement that can carry timing details without itself confirming imminent trading.
Follows EFFECT in the pre-IPO sequence.
2019-08-06 · 0001267395-19-000087
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows 8-A12B and marks the registration effective.
2019-06-19 · 9999999995-19-001382
8-A12B effective
Exchange Act registration
Registration filed to list the securities under the Exchange Act ahead of trading.
Follows 424B5 and registers the class of securities for exchange listing.
2016-09-21 · 0001267395-16-000146
424B5 priced
Final prospectus supplement
Prospectus supplement filed near launch with final deal terms.
Follows FWP and confirms the priced prospectus.
2016-09-15 · 0001193125-16-711066
FWP supplemental
Free writing prospectus
Prospectus supplement or marketing filing that often updates active offering terms.
Follows 424B5 and supplements the active offering with updated prospectus details.
2016-09-13 · 0001193125-16-708627
424B5 priced
Final prospectus supplement
Prospectus supplement filed near launch with final deal terms.
Follows 425 and confirms the priced prospectus.
2016-09-13 · 0001193125-16-708101
425 supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2014-07-14 · 0001193125-14-267682
425 supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2014-07-10 · 0001193125-14-264809
425 supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2014-07-01 · 0001193125-14-257830
425 supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2014-07-01 · 0001193125-14-256758
425 supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2014-07-01 · 0001193125-14-256615
425 supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2014-06-30 · 0001193125-14-254296
425 supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2014-06-27 · 0001193125-14-253590
425 supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2014-06-27 · 0001193125-14-253561
425 supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2014-06-18 · 0001193125-14-241089
425 supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2014-06-17 · 0001193125-14-239354
425 supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2014-06-17 · 0001193125-14-238419
425 supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2014-06-09 · 0001193125-14-230360
425 supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2014-06-09 · 0001193125-14-229926
425 supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2014-06-09 · 0001193125-14-229445
425 supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2014-06-06 · 0001193125-14-228843
425 supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2014-06-03 · 0001193125-14-223129
425 supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2014-06-03 · 0001193125-14-222857
425 supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2014-06-02 · 0001193125-14-222578
425 supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2014-06-02 · 0001193125-14-222557
425 supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2014-06-02 · 0001193125-14-222408
425 supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 8-A12B in the pre-IPO sequence.
2014-06-02 · 0001193125-14-220909
8-A12B effective
Exchange Act registration
Registration filed to list the securities under the Exchange Act ahead of trading.
Follows 424B5 and registers the class of securities for exchange listing.
2014-04-17 · 0001193125-14-147201
424B5 priced
Final prospectus supplement
Prospectus supplement filed near launch with final deal terms.
Follows FWP and confirms the priced prospectus.
2013-11-07 · 0001193125-13-432319
FWP supplemental
Free writing prospectus
Prospectus supplement or marketing filing that often updates active offering terms.
Follows 424B2 and supplements the active offering with updated prospectus details.
2013-11-05 · 0001193125-13-427966
424B2 filed
Prospectus supplement
Prospectus supplement that can carry timing details without itself confirming imminent trading.
Follows 8-A12B in the pre-IPO sequence.
2013-11-05 · 0001193125-13-426706
8-A12B effective
Exchange Act registration
Registration filed to list the securities under the Exchange Act ahead of trading.
Follows 424B5 and registers the class of securities for exchange listing.
2013-05-02 · 0001193125-13-195221
424B5 priced
Final prospectus supplement
Prospectus supplement filed near launch with final deal terms.
Follows FWP and confirms the priced prospectus.
2013-04-29 · 0001193125-13-182424
FWP supplemental
Free writing prospectus
Prospectus supplement or marketing filing that often updates active offering terms.
Follows 424B5 and supplements the active offering with updated prospectus details.
2013-04-26 · 0001193125-13-174832
424B5 priced
Final prospectus supplement
Prospectus supplement filed near launch with final deal terms.
Follows 8-A12B and confirms the priced prospectus.
2013-04-25 · 0001193125-13-172343
8-A12B effective
Exchange Act registration
Registration filed to list the securities under the Exchange Act ahead of trading.
Follows 424B5 and registers the class of securities for exchange listing.
2012-04-11 · 0001193125-12-158787
424B5 priced
Final prospectus supplement
Prospectus supplement filed near launch with final deal terms.
Follows FWP and confirms the priced prospectus.
2012-04-05 · 0001193125-12-152164
FWP supplemental
Free writing prospectus
Prospectus supplement or marketing filing that often updates active offering terms.
Follows 424B5 and supplements the active offering with updated prospectus details.
2012-04-04 · 0001193125-12-148661
424B5 priced
Final prospectus supplement
Prospectus supplement filed near launch with final deal terms.
Follows 424B5 and confirms the priced prospectus.
2012-04-03 · 0001193125-12-147312
424B5 priced
Final prospectus supplement
Prospectus supplement filed near launch with final deal terms.
Follows FWP and confirms the priced prospectus.
2010-12-08 · 0000950123-10-112026
FWP supplemental
Free writing prospectus
Prospectus supplement or marketing filing that often updates active offering terms.
Follows 424B5 and supplements the active offering with updated prospectus details.
2010-12-07 · 0000950123-10-111588
424B5 priced
Final prospectus supplement
Prospectus supplement filed near launch with final deal terms.
Follows 424B2 and confirms the priced prospectus.
2010-12-07 · 0000950123-10-111352
424B2 filed
Prospectus supplement
Prospectus supplement that can carry timing details without itself confirming imminent trading.
Follows FWP in the pre-IPO sequence.
2009-04-02 · 0000950123-09-005955
FWP supplemental
Free writing prospectus
Prospectus supplement or marketing filing that often updates active offering terms.
Follows 424B2 and supplements the active offering with updated prospectus details.
2009-04-01 · 0000950123-09-005910
424B2 filed
Prospectus supplement
Prospectus supplement that can carry timing details without itself confirming imminent trading.
Follows 424B2 in the pre-IPO sequence.
2008-05-15 · 0001342180-08-000052
424B2 filed
Prospectus supplement
Prospectus supplement that can carry timing details without itself confirming imminent trading.
Follows 424B2 in the pre-IPO sequence.
2007-06-29 · 0000950136-07-004568
424B2 filed
Prospectus supplement
Prospectus supplement that can carry timing details without itself confirming imminent trading.
Follows 8-A12B in the pre-IPO sequence.
2007-02-26 · 0001342180-07-000031
8-A12B effective
Exchange Act registration
Registration filed to list the securities under the Exchange Act ahead of trading.
Follows 424B2 and registers the class of securities for exchange listing.
2006-11-15 · 0001342180-06-000058
424B2 filed
Prospectus supplement
Prospectus supplement that can carry timing details without itself confirming imminent trading.
Follows FWP in the pre-IPO sequence.
2006-11-14 · 0001342180-06-000049
FWP supplemental
Free writing prospectus
Prospectus supplement or marketing filing that often updates active offering terms.
Follows 424B3 and supplements the active offering with updated prospectus details.
2006-11-13 · 0001342180-06-000038
424B3 priced
Final prospectus
Final prospectus filed near launch with final deal terms.
Follows 8-A12B and confirms the priced prospectus.
2006-11-08 · 0001342180-06-000029
8-A12B effective
Exchange Act registration
Registration filed to list the securities under the Exchange Act ahead of trading.
Follows 424B2 and registers the class of securities for exchange listing.
2005-12-13 · 0000950136-05-007959
424B2 filed
Prospectus supplement
Prospectus supplement that can carry timing details without itself confirming imminent trading.
Follows 424B3 in the pre-IPO sequence.
2005-12-08 · 0000950136-05-007861
424B3 priced
Final prospectus
Final prospectus filed near launch with final deal terms.
Follows FWP and confirms the priced prospectus.
2005-12-08 · 0000950136-05-007841
FWP supplemental
Free writing prospectus
Prospectus supplement or marketing filing that often updates active offering terms.
Follows 424B3 and supplements the active offering with updated prospectus details.
2005-12-08 · 0000950136-05-007826
424B3 priced
Final prospectus
Final prospectus filed near launch with final deal terms.
Follows 424B3 and confirms the priced prospectus.
2005-12-06 · 0000950136-05-007773
424B3 priced
Final prospectus
Final prospectus filed near launch with final deal terms.
Follows 424B2 and confirms the priced prospectus.
2005-12-06 · 0000950136-05-007772
424B2 filed
Prospectus supplement
Prospectus supplement that can carry timing details without itself confirming imminent trading.
Follows 424B3 in the pre-IPO sequence.
2005-10-06 · 0000950136-05-006309
424B3 priced
Final prospectus
Final prospectus filed near launch with final deal terms.
Follows 424B3 and confirms the priced prospectus.
2005-03-24 · 0000950136-05-001549
424B3 priced
Final prospectus
Final prospectus filed near launch with final deal terms.
Follows F-4 and confirms the priced prospectus.
2005-03-15 · 0000950136-05-001351
F-4 filed
F-4
Pre-IPO filing captured from the SEC submission timeline.
Follows 424B3 in the pre-IPO sequence.
2005-01-13 · 0000950136-05-000183
424B3 priced
Final prospectus
Final prospectus filed near launch with final deal terms.
Follows F-1/A and confirms the priced prospectus.
2004-10-18 · 0000950136-04-003428
F-1/A amended
Amended foreign registration statement
Updated foreign registration statement filed after SEC comments or deal changes.
Updates the prior F-1 filing.
2004-10-14 · 0000950136-04-003381
F-1 filed
Initial foreign registration statement
Initial public filing for a foreign issuer submitted to start the SEC review process.
Follows 424B1 in the pre-IPO sequence.
2004-09-28 · 0000950136-04-003122
424B1 priced
Final prospectus
Final prospectus filed after pricing with final deal terms.
Follows F-1/A and confirms the priced prospectus.
2003-12-04 · 0000950136-03-002998
F-1/A amended
Amended foreign registration statement
Updated foreign registration statement filed after SEC comments or deal changes.
Updates the prior 8-A12B filing.
2003-12-03 · 0000950136-03-002977
8-A12B effective
Exchange Act registration
Registration filed to list the securities under the Exchange Act ahead of trading.
Follows F-1/A and registers the class of securities for exchange listing.
2003-11-25 · 0000950136-03-002928
F-1/A amended
Amended foreign registration statement
Updated foreign registration statement filed after SEC comments or deal changes.
Updates the prior F-1 filing.
2003-11-25 · 0000950136-03-002927
F-1 filed
Initial foreign registration statement
Initial public filing for a foreign issuer submitted to start the SEC review process.
First tracked pre-IPO filing for this issuer.
2003-11-12 · 0000950136-03-002765
Comparable Deals
Not enough completed IPOs with similar characteristics to show comparables yet.

Recent News

No recent news stored for this issuer.