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End-of-day prices provided by Twelve Data · One close per session; the series does not update during the trading day.
Latest on record
The most recent facts, as filed.
Up to three of the most recent, checkable facts already loaded on this page, each linked to its source.
- Aug 6, 2026Quarterly report · 10-QFiled by the company itself.Open the filing ↗
- Aug 6, 2026Material event · 8-KFiled by the company itself.Open the filing ↗
- May 29, 2026Material event · 8-KFiled by the company itself.Open the filing ↗
In numbers
What this profile holds, counted.
Closes · 1 year231
SEC filings on record2,14913 flagged findings
Reported transactions (Form 4)80since Sep 29, 2025 · and 1 other holding
Corporate events (8-K)30since Jul 6, 2021
What the record says
Description, identity and filings, each with its source.
Every block cites its source. The colour of a finding marks its category — which document, who filed it — not how much it matters.
Identity
Formerly traded as AMBC.
The 25 most recent filings (of 2,149)
Every SEC filing, newest first, with what it is. Below, each type with its own explanation.
Insider transaction · 9 Form 4 filingsshow all 9hide
- Oct 6, 26Form 4 ↗Insider transaction
- Oct 6, 26Form 4 ↗Insider transaction
- Oct 6, 26Form 4 ↗Insider transaction
- Oct 5, 26Form 4 ↗Insider transaction
- Oct 5, 26Form 4 ↗Insider transaction
- Oct 5, 26Form 4 ↗Insider transaction
- Oct 5, 26Form 4 ↗Insider transaction
- Oct 5, 26Form 4 ↗Insider transaction
- Oct 5, 26Form 4 ↗Insider transaction
- Aug 6, 2610-Q ↗Quarterly report
- Aug 6, 268-K ↗Current report · Results
- Jul 31, 26SCHEDULE 13G ↗Passive stake · Vanguard Capital Management · 5.0% · event on Jun 30, 26
Insider transaction · 9 Form 4 filingsshow all 9hide
- Jul 13, 26Form 4 ↗Insider transaction
- Jul 13, 26Form 4 ↗Insider transaction
- Jul 13, 26Form 4 ↗Insider transaction
- Jul 7, 26Form 4 ↗Insider transaction
- Jul 7, 26Form 4 ↗Insider transaction
- Jul 7, 26Form 4 ↗Insider transaction
- Jul 7, 26Form 4 ↗Insider transaction
- Jul 7, 26Form 4 ↗Insider transaction
- Jul 7, 26Form 4 ↗Insider transaction
- May 29, 268-K ↗Current report · Shareholder vote results
- May 14, 26DEFA14A ↗Shareholder meeting and votes
- May 11, 26SCHEDULE 13G/A ↗Passive stake · JANE STREET GROUP, LLC · 1.7% · event on Mar 31, 26 · amendment
- May 11, 26SCHEDULE 13G/A ↗Passive stake · Western Standard LLC · 5.0% · event on Mar 31, 26 · amendment
2,149 filings on record, the oldest from Feb 9, 94.
Listing the 25 most recent filings of the 2,149 on record.
106750
- Apr 7, 26Entered a material agreement+2 more in the same filing8-K 1.01 ↗
- Dec 15, 25Auditor change filing (8-K Item 4.01)+1 more in the same filing8-K 4.01 ↗
- Nov 3, 25Completed an acquisition or disposal+4 more in the same filing8-K 2.01 ↗
- Sep 30, 25A senior executive left or was appointed8-K 5.02 ↗
- Sep 29, 25A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Sep 29, 25Entered a material agreement+2 more in the same filing8-K 1.01 ↗
- Sep 29, 25Completed an acquisition or disposal+4 more in the same filing8-K 2.01 ↗
3 material agreements entered2024 – 2025show all 3hide
- Jul 7, 25Entered a material agreement+3 more in the same filing8-K 1.01 ↗
- Jun 16, 25Entered a material agreement8-K 1.01 ↗
- Aug 2, 24Entered a material agreement+5 more in the same filing8-K 1.01 ↗
- Jun 5, 24Sold unregistered shares+4 more in the same filing8-K 3.02 ↗
- Feb 27, 24Entered a material agreement+1 more in the same filing8-K 1.01 ↗
- Oct 6, 23A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Mar 7, 23A senior executive left or was appointed8-K 5.02 ↗
3 older filings not shown · The record reaches back to Feb 17, 05.
Stress disclosures older than the timeline above. They are individual events from the record, not a complete timeline: there may be more between them.
- Jan 3, 23A debt obligation was accelerated+1 more in the same filing8-K 2.04 ↗
- Oct 13, 22A debt obligation was accelerated+1 more in the same filing8-K 2.04 ↗
- Jan 23, 20Listing notice (8-K 3.01)+2 more in the same filing8-K 3.01 ↗
- Mar 20, 12Bankruptcy or receivership proceedings+1 more in the same filing8-K 1.03 ↗
- Nov 10, 10A debt obligation was accelerated+3 more in the same filing8-K 2.04 ↗
- Jul 6, 10Listing notice (8-K 3.01)8-K 3.01 ↗
- Dec 10, 09Listing notice (8-K 3.01)8-K 3.01 ↗
- Aug 22, 06Listing notice (8-K 3.01)8-K 3.01 ↗
The full record holds 10 stress filings.
Corporate events are tracked from 2004-08-23, when the SEC renumbered 8-K items. Earlier filings use an incompatible numbering and are not classified here.
Schedule 13G: short-form filing
The short form, for holders who meet specific requirements: institutional investors, passive investors without a control purpose, or exempt investors. Asset managers and index funds usually file it.
- BlackRock, Inc.7.6%Sep 30, 25SCHEDULE 13G/A ↗1 earlier filing
- The Vanguard Group5.8%Mar 31, 25SCHEDULE 13G/A ↗1 earlier filing
- SIG Brokerage, LP5.1%Jun 30, 25SCHEDULE 13G ↗2 co-filers on this document — the figure is the largest single stake, not their sum.
- Vanguard Capital Management5.0%Jun 30, 26SCHEDULE 13G ↗
- Western Standard LLC5.0%Mar 31, 26SCHEDULE 13G/A ↗1 earlier filing
show 3 more holdershide
- Dimensional Fund Advisors LP4.6%Sep 30, 25SCHEDULE 13G/A ↗
- G1 Execution Services, LLC2.2%Sep 30, 25SCHEDULE 13G/A ↗3 co-filers on this document — the figure is the largest single stake, not their sum.
- JANE STREET GROUP, LLC1.7%Mar 31, 26SCHEDULE 13G/A ↗4 co-filers on this document — the figure is the largest single stake, not their sum. · 1 earlier filing
Structured 13D/G data starts 2023-12, when the SEC moved these filings to a machine-readable format. Earlier filings exist but are not parsed here.
Stock compensation, tax and giftsshow the 37 other transactionshide
Stock compensation, tax withholding, option exercises and gifts. They are listed separately and are not included in the purchase and sale totals. The type describes the transaction, not the filer's intent.
- Oct 3, 26Compensationamount n/aDavid TrickExec VP, CFO & Treasurer↗
- Oct 3, 26Tax$14KDavid TrickExec VP, CFO & Treasurer↗
- Oct 3, 26Compensationamount n/aR Sharon SmithExec VP & Group COO↗
- Oct 3, 26Tax$12KR Sharon SmithExec VP & Group COO↗
- Oct 3, 26Compensationamount n/aClaude LeBlancChief Executive Officer↗
- Oct 3, 26Tax$39KClaude LeBlancChief Executive Officer↗
- Oct 3, 26Compensationamount n/aClaude LeBlancChief Executive Officer↗
- Oct 3, 26Tax$54KClaude LeBlancChief Executive Officer↗
- Jul 9, 26Compensationamount n/aDavid TrickExec VP, CFO & Treasurer↗
- Jul 9, 26Tax$41KDavid TrickExec VP, CFO & Treasurer↗
- Jul 9, 26Compensationamount n/aR Sharon SmithExec VP & Group COO↗
- Jul 9, 26Tax$28KR Sharon SmithExec VP & Group COO↗
- Jul 9, 26Compensationamount n/aClaude LeBlancChief Executive Officer↗
- Jul 9, 26Tax$132KClaude LeBlancChief Executive Officer↗
- Mar 10, 26Compensationamount n/aCristina E. AhnChief Accounting Officer↗
- Mar 10, 26Tax$995Cristina E. AhnChief Accounting Officer↗
- Mar 3, 26Compensationamount n/aR Sharon SmithExec VP & Group COO↗
- Mar 3, 26Tax$9KR Sharon SmithExec VP & Group COO↗
- Mar 3, 26Compensationamount n/aDavid TrickExec VP, CFO & Treasurer↗
- Mar 3, 26Tax$10KDavid TrickExec VP, CFO & Treasurer↗
- Mar 3, 26Compensationamount n/aClaude LeBlancChief Executive Officer↗
- Mar 3, 26Tax$60KClaude LeBlancChief Executive Officer↗
- Sep 30, 25Compensationamount n/aDavid TrickExec VP, CFO & Treasurer↗
- Sep 30, 25Compensationamount n/aClaude LeBlancChief Executive Officer↗
- Sep 30, 25Tax$926KClaude LeBlancChief Executive Officer↗
- Sep 30, 25Tax$190KDavid TrickExec VP, CFO & Treasurer↗
- Sep 30, 25Compensationamount n/aR Sharon SmithExec VP & Group COO↗
- Sep 30, 25Tax$27KR Sharon SmithExec VP & Group COO↗
- Sep 29, 25Otheramount n/aJeffrey Scott Stein↗
- Sep 29, 25Otheramount n/aIAN DAVID HAFT↗
- Sep 29, 25Otheramount n/aMICHAEL D PRICE↗
- Sep 29, 25Otheramount n/aKristi Ann Matus↗
- Sep 29, 25Otheramount n/aLISA G IGLESIAS↗
- Sep 29, 25Otheramount n/aJOAN M LAMMTENNANT↗
- Sep 29, 25Otheramount n/aDavid TrickExec VP, CFO & Treasurer↗
- Sep 29, 25Otheramount n/aDaniel McGinnisSr. MD & COO↗
- Sep 29, 25Tax$98KDaniel McGinnisSr. MD & COO↗
The full record holds 233 transactions and goes back to Jan 2, 23.
Its sector and its market
Octave Specialty Group, Inc. among Financials companies
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- SEC records
- 2,149 documents on file, from Feb 9, 1994 to Oct 6, 2026.
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- No description available.
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