Public ownership evidence

Old Second Bancorp Inc (OSBC) Ownership Disclosures

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

As of 2026-10-10T12:08:28.848Z

Separate the three disclosure sources

Step 1 of 3

Recent Form 4 activity

Old Second Bancorp Inc: source evidence dated 2026-10-10T12:08:28.848Z.

Available
2026-09-23
Trade date
2026-09-23
Reporting owners
COLLINS GARY S
Code
S
Shares
16,000
Reported value
Not reported
What you should see

The displayed owner or issuer and source fields identify the receipt to verify; keep reporting and availability dates separate.

Step 2 of 3

Is this an insider transaction, 13F holding, or Congressional event?

Each source has different dates and units. Raw ticker-matched receipts, including amendments, are not deduplicated current ownership totals.

SEC 0001184766-26-000022
What you should see

Follow the source receipt or manager/member profile. Avoid combining transaction value and 13F position value into an ownership percentage.

Step 3 of 3

Read OSBC fundamentals

Follow the source receipt or manager/member profile. Avoid combining transaction value and 13F position value into an ownership percentage.

Read OSBC fundamentals
What you should see

Keep reporting dates and units beside the answer, and inspect its original citations.

Recent Form 4 activity

See the complete recent form 4 activity

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2026-09-232026-09-23COLLINS GARY SS16,000Not reported
2026-09-112026-09-04COLLINS GARY SS5,000Not reported
2026-09-082026-09-08MCLEAN HUGH HS25,000Not reported
2026-09-042026-09-02Campbell Darin PatrickS24,000Not reported
2026-09-042026-09-03MCLEAN HUGH HS25,000Not reported
2026-08-142026-08-12Eccher JamesS19,313Not reported
2026-08-132026-08-11Eccher JamesS55,687Not reported
2026-08-122026-08-10Lyons Billy J Jr.A20Not reported

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

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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CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM2026-06-302026-08-2551,243$1,194,987None
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM2026-06-302026-08-251,194,987$51,243,000None
MERCER GLOBAL ADVISORS INC /ADV2026-06-302026-08-2020,591$480,179None
Empowered Funds, LLC2026-06-302026-08-18248,627$5,797,982None
SEI INVESTMENTS CO2026-06-302026-08-15116,703$2,721,514None
SEI INVESTMENTS CO2026-06-302026-08-15963$22,460None
Rafferty Asset Management, LLC2026-06-302026-08-1532,388$755,288None
Quarry LP2026-06-302026-08-15163$3,801None
Aquatic Capital Management LLC2026-06-302026-08-1537,700$879,164None
CHARLES SCHWAB INVESTMENT MANAGEMENT INC2026-06-302026-08-15431,304$10,058,009None
Sixth Street Partners Management Company, L.P.2026-06-302026-08-15431,304$10,058,009None
ExodusPoint Capital Management, LP2026-06-302026-08-1553,769$1,253,893None
Siena Capital Partners GP, LLC2026-06-302026-08-15163,038$3,805,307None
OSAIC HOLDINGS, INC.2026-06-302026-08-152,000$46,640None
OSAIC HOLDINGS, INC.2026-06-302026-08-156$140None
OSAIC HOLDINGS, INC.2026-06-302026-08-1525,227$588,328None
Squarepoint Ops LLC2026-06-302026-08-15167,884$3,915,055None
MetLife Investment Management, LLC2026-06-302026-08-1529,641$691,228None
Legal & General Group Plc2026-06-302026-08-1526,471$617,305None
Legal & General Group Plc2026-06-302026-08-159,183$214,148None
Legal & General Group Plc2026-06-302026-08-154,924$114,828None
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC2026-06-302026-08-1550,693$1,182,161None
FJ Capital Management LLC2026-06-302026-08-151,460,413$34,056,831None
Black Maple Capital Management LP2026-06-302026-08-1512,000$279,840None
Thrivent Financial for Lutherans2026-06-302026-08-15151,834$3,541,000None
Thrivent Financial for Lutherans2026-06-302026-08-1590,444$2,109,000None
JONES FINANCIAL COMPANIES LLLP2026-06-302026-08-151,053$24,619None
AMERIPRISE FINANCIAL INC2026-06-302026-08-1516,133$376,223None
AMERIPRISE FINANCIAL INC2026-06-302026-08-151,437$33,510None
Curi Capital, LLC2026-06-302026-08-15100,496$2,343,567None
Curi Capital, LLC2026-06-302026-08-159$210None
Cerity Partners LLC2026-06-302026-08-158,481$197,777None
Cerity Partners LLC2026-06-302026-08-151,991$46,430None
AQR CAPITAL MANAGEMENT LLC2026-06-302026-08-15372,899$8,696,000None
AQR CAPITAL MANAGEMENT LLC2026-06-302026-08-15826$19,262None
AQR CAPITAL MANAGEMENT LLC2026-06-302026-08-1532$746None
AQR CAPITAL MANAGEMENT LLC2026-06-302026-08-151,398$32,604None
AQR CAPITAL MANAGEMENT LLC2026-06-302026-08-1519$443None
AQR CAPITAL MANAGEMENT LLC2026-06-302026-08-15387$9,025None
AQR CAPITAL MANAGEMENT LLC2026-06-302026-08-1510,673$248,894None
MANUFACTURERS LIFE INSURANCE COMPANY, THE2026-06-302026-08-15872,651$20,350,221None
ROYAL BANK OF CANADA2026-06-302026-08-1528,507$665,000None
ROYAL BANK OF CANADA2026-06-302026-08-151,544$36,000None
ALLIANCEBERNSTEIN L.P.2026-06-302026-08-15641,845$12,939,595None
BRIDGEWAY CAPITAL MANAGEMENT, LLC2026-06-302026-08-15453,323$10,571,492None
D. E. Shaw & Co., Inc.2026-06-302026-08-15114,326$2,666,082None
CITADEL ADVISORS LLC2026-06-302026-08-15100,791$2,350,446None
CITADEL ADVISORS LLC2026-06-302026-08-15203,230$4,739,324None
Larson Financial Group LLC2026-06-302026-08-15128$2,985None
Jupiter Topco LLC2026-06-302026-08-1526,232$612,386None

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

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM ↗CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM ↗MERCER GLOBAL ADVISORS INC /ADV ↗Empowered Funds, LLC ↗SEI INVESTMENTS CO ↗SEI INVESTMENTS CO ↗Rafferty Asset Management, LLC ↗Quarry LP ↗Aquatic Capital Management LLC ↗CHARLES SCHWAB INVESTMENT MANAGEMENT INC ↗

Recent Congressional disclosures

No matching Congressional transactions were returned in this source preview.

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No records are available for this view.

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.

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