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Public ownership evidence

Octave Specialty Group, Inc. (OSG) Ownership Disclosures

Read OSG insider transactions, institutional 13F filings and Congressional disclosures with report dates, public availability and original receipts.

As of 2026-11-07T14:03:26.246Z

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2026-10-052026-10-01Stein Jeffrey ScottA8,224Not reported

First displayed source row from Recent Form 4 activity. The full bounded history and coverage notes remain below.

The displayed observation date is 2026-10-01 and its public availability date is 2026-10-05. Subtracting those calendar dates gives 4 days of disclosure lag. Historical public research can use the record from the availability date, rather than backdating knowledge to the observation date. The calendar-day difference does not assert an intraday publication time.

This row is code A: a award. An award is an acquisition but is not an open-market purchase. A purchase-following rule must not count it as code P.

Open the linked original receipts to verify the row, then inspect a second record before drawing a pattern. This public filing observation supplies source evidence, not a completed copy-trading return.

SEC 0001628280-26-064968 ↗SEC 0001628280-26-064965 ↗SEC 0001628280-26-064958 ↗

Recent Form 4 activity

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2026-10-052026-10-01Stein Jeffrey ScottA8,224Not reported
2026-10-052026-10-01PRICE MICHAEL DA8,224Not reported
2026-10-052026-10-01Matus Kristi AnnA8,224Not reported
2026-10-052026-10-01LAMMTENNANT JOAN MA8,224Not reported
2026-10-052026-10-01IGLESIAS LISA GA8,224Not reported
2026-10-052026-10-01HAFT IAN DAVIDA8,224Not reported

90-day public availability window, up to 50 records.

Recent institutional filing receipts

Inspect all 50 displayed rows: Recent institutional filing receipts

These are raw ticker-matched positions in recent 13F receipts, including amendments. They are not deduplicated current ownership totals. Open the manager profile to inspect its effective filing book.

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Corient Private Wealth LP2026-06-302026-08-2812,270$76,565None
VELA Investment Management, LLC2025-12-312026-08-28178,752$1,390,691None
Advisors Asset Management, Inc.2025-09-302026-08-27101$6,034None
Advisors Asset Management, Inc.2025-06-302026-08-25102$724None
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM2026-06-302026-08-25546$3,407None
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM2026-06-302026-08-253,407$546,000None
Advisors Asset Management, Inc.2025-12-312026-08-2298$762None
MERCER GLOBAL ADVISORS INC /ADV2026-06-302026-08-2029,288$182,757None
RIHO Partners, LLC2026-06-302026-08-19554,818$3,462,064None
Corient Private Wealth LP2026-06-302026-08-1822,480$140,277None
Empowered Funds, LLC2026-06-302026-08-1854,004$336,985None
Transamerica Financial Advisors, LLC2026-06-302026-08-18150$936None
Wiser Advisor Group LLC2026-06-302026-08-18500$3,120None
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO2026-06-302026-08-1861,305$382,543None
SEI INVESTMENTS CO2026-06-302026-08-15101,576$633,834None
SEI INVESTMENTS CO2026-06-302026-08-157,813$48,750None
JPL Wealth Management, LLC2026-06-302026-08-159$57None
Advisors Asset Management, Inc.2026-06-302026-08-1598$612None
Basecamp Wealth Advisors LLC2026-06-302026-08-1532$200None
Quarry LP2026-06-302026-08-15123$768None
XTX Topco Ltd2026-06-302026-08-1518,657$116,420None
CHARLES SCHWAB INVESTMENT MANAGEMENT INC2026-06-302026-08-15377,869$2,357,903None
Sixth Street Partners Management Company, L.P.2026-06-302026-08-15377,869$2,357,903None
Diametric Capital, LP2026-06-302026-08-15118,364$738,591None
Caption Management, LLC2026-06-302026-08-15482,300$3,009,552Put
Caption Management, LLC2026-06-302026-08-15419,136$2,615,409None
OSAIC HOLDINGS, INC.2026-06-302026-08-152,186$13,638None
Man Group plc2026-06-302026-08-1566,579$415,453None
MetLife Investment Management, LLC2026-06-302026-08-1524,501$152,886None
Engineers Gate Manager LP2026-06-302026-08-1525,500$159,120None
JANE STREET GROUP, LLC2026-06-302026-08-15170,193$1,062,004None
JANE STREET GROUP, LLC2026-06-302026-08-15108,538$677,277None
JANE STREET GROUP, LLC2026-06-302026-08-1515,900$99,216Put
JANE STREET GROUP, LLC2026-06-302026-08-1548,700$303,888Call
Legal & General Group Plc2026-06-302026-08-153,839$23,955None
SUSQUEHANNA INTERNATIONAL GROUP, LLP2026-06-302026-08-15272,500$1,700,400Call
SUSQUEHANNA INTERNATIONAL GROUP, LLP2026-06-302026-08-15676,800$4,223,232Put
SUSQUEHANNA INTERNATIONAL GROUP, LLP2026-06-302026-08-15136,692$852,958None
Bracebridge Capital, LLC2026-06-302026-08-15579,234$3,614,420None
FJ Capital Management LLC2026-06-302026-08-1557,937$361,527None
MILLENNIUM MANAGEMENT LLC2026-06-302026-08-1519,610$122,366None
GENDELL JEFFREY L2026-06-302026-08-1557,496$358,775None
GENDELL JEFFREY L2026-06-302026-08-15436,596$2,724,359None
LAZARD ASSET MANAGEMENT LLC2026-06-302026-08-1543,331$270,385None
AMERIPRISE FINANCIAL INC2026-06-302026-08-158,000$49,920None
AMERIPRISE FINANCIAL INC2026-06-302026-08-1550,504$315,145None
Bain Capital Credit, LP2026-06-302026-08-151,108,012$6,913,995None
Cerity Partners LLC2026-06-302026-08-15522$3,258None
Cerity Partners LLC2026-06-302026-08-15522$3,258None
Cerity Partners LLC2026-06-302026-08-1512,892$80,446None

90-day public filing window, up to 50 source positions.

Corient Private Wealth LP ↗VELA Investment Management, LLC ↗Advisors Asset Management, Inc. ↗Advisors Asset Management, Inc. ↗CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM ↗CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM ↗Advisors Asset Management, Inc. ↗MERCER GLOBAL ADVISORS INC /ADV ↗RIHO Partners, LLC ↗Corient Private Wealth LP ↗

Recent Congressional disclosures

No matching Congressional transactions were returned in this source preview.

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Bounded public source preview, up to 25 disclosed events.

How to read the disclosure dates

The tables report different things: insider transactions, institutional positions and Congressional transaction ranges. Read each table with its source dates and units. They cannot be added into a combined ownership percentage.

  1. Company insiders

    SEC Form 4 purchases, sales and awards report transactions and their public filing availability.

  2. Institutional managers

    13F reports disclose delayed quarter-end positions. They are not a record of trades between quarters.

  3. Congressional filers

    Periodic transaction reports disclose transaction dates and amount brackets. Public filing dates determine what researchers could know.

Institutional source directory ↗Congressional source directory ↗

Read the transaction codes

Awards use transaction code A, purchases P and sales S. An acquisition from an award is not the same as an open-market purchase. Joint filers may share a transaction. Use original receipts and availability dates to interpret the events.