OSBC CEO updates stock and RSU holdings

Q: How many Old Second Bancorp RSUs does James Eccher hold after this Form 4?

After this filing, James Eccher holds 188,252 Restricted Stock Units in Old Second Bancorp. RSUs are equity awards that typically convert into common shares upon vesting, aligning executive compensation with shareholder value over time, subject to the company’s specific plan terms.

Q: What are James Eccher’s direct common stock holdings in OSBC?

Eccher directly holds 378,399 shares of Old Second Bancorp common stock. Footnotes indicate this total includes 148 shares held jointly with his spouse and 378,251 shares held in a brokerage account, reflecting his direct economic stake in the company’s equity.

Q: How many OSBC shares does Eccher hold through employee benefit plans?

Eccher reports 33,498 shares held indirectly through a 401(k)-type Salary and Savings Plan and 6,378 shares through the Employees Profit Sharing Plan. These balances incorporate second-quarter allocations reported by the plan trustees as of June 30, 2026.

OLD SECOND BANCORP INC Chairman and CEO James Eccher reported updated holdings of company stock and equity awards.

Filing Impact

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Filing Sentiment

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Form Type

Rhea-AI Filing Summary

OLD SECOND BANCORP INC Chairman and CEO James Eccher reported updated holdings of company stock and equity awards. The filing shows 188,252 Restricted Stock Units held directly and 378,399 shares of Old Second Bancorp common stock held directly, including shares in a brokerage account and shares held jointly with his spouse.

In addition, plan-related activity allocated 111 shares during the second quarter under the company’s Salary and Savings Plan and 21 shares under the Employees Profit Sharing Plan, leaving indirect holdings of 33,498 shares and 6,378 shares, respectively, as of June 30, 2026. These are reported as "other" transactions rather than open-market buys or sells.

Insider Trade Summary

Other: 132 shares

Other 4 txns

Insider Eccher James

Role CHAIRMAN AND CEO

Type	Security	Shares	Price	Value
Other	Old Second Bancorp, Inc. Common Stock	21	$0.00	$0.00
Other	Old Second Bancorp, Inc. Common Stock	111	$0.00	$0.00
holding	Old Second Bancorp, Inc. Common Stock	--	--	--
holding	Restricted Stock Units	--	--	--

Holdings After Transaction: Old Second Bancorp, Inc. Common Stock — 6,378 shares (Indirect, By Profit Sharing); Old Second Bancorp, Inc. Common Stock — 33,498 shares (Indirect, By 401-K); Old Second Bancorp, Inc. Common Stock — 378,399 shares (Direct); Restricted Stock Units — 188,252 shares (Direct)

Footnotes (3)

F1. Of this total, 21 shares were allocated during the second quarter pursuant to the Old Second Bancorp, Inc. Employees Profit Sharing Plan and Trust. Information herein was provided by the Plan Trustee as of 6-30-26.
F2. Of this total, 111 shares were allocated during the second quarter pursuant to the Old Second Bancorp, Inc. Salary and Savings Plan. Information was provided herein by the Plan Trustee as of 6-30-26.
F3. Included in this total are 148 shares held jointly with spouse and 378,251 shares held in a brokerage account.

Key Figures

Restricted Stock Units held: 188,252 RSUs Direct common stock holdings: 378,399 shares 401(k) plan shares after allocation: 33,498 shares +2 more

5 metrics

Restricted Stock Units held 188,252 RSUs Direct RSU holdings as of June 30, 2026

Direct common stock holdings 378,399 shares Direct Old Second Bancorp common stock as of June 30, 2026

401(k) plan shares after allocation 33,498 shares Indirect holdings by Salary and Savings Plan as of June 30, 2026

Profit Sharing Plan shares after allocation 6,378 shares Indirect holdings by Employees Profit Sharing Plan as of June 30, 2026

Quarterly plan allocations 132 shares 111 Salary and Savings Plan; 21 Profit Sharing Plan during Q2

Key Terms

Restricted Stock Units, Employees Profit Sharing Plan, Salary and Savings Plan, Form 4

4 terms

Restricted Stock Units financial

"The filing shows 188,252 Restricted Stock Units held directly"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Salary and Savings Plan financial

"111 shares were allocated during the second quarter pursuant to the Old Second Bancorp, Inc. Salary and Savings Plan"

Form 4 regulatory

"This Form 4 does not show net buying or selling activity"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider activity did OSBC Chairman and CEO James Eccher report?

James Eccher reported updated holdings in Old Second Bancorp stock and Restricted Stock Units. The filing details direct and indirect ownership across brokerage, joint, and employee benefit plan accounts as of June 30, 2026, without reporting any open-market purchases or sales.

How many Old Second Bancorp RSUs does James Eccher hold after this Form 4?

After this filing, James Eccher holds 188,252 Restricted Stock Units in Old Second Bancorp. RSUs are equity awards that typically convert into common shares upon vesting, aligning executive compensation with shareholder value over time, subject to the company’s specific plan terms.

What are James Eccher’s direct common stock holdings in OSBC?

Eccher directly holds 378,399 shares of Old Second Bancorp common stock. Footnotes indicate this total includes 148 shares held jointly with his spouse and 378,251 shares held in a brokerage account, reflecting his direct economic stake in the company’s equity.

What do the J-coded transactions in Eccher’s OSBC Form 4 represent?

The J-coded entries represent "other" transactions, not standard buys or sells. They show 111 shares allocated under the Salary and Savings Plan and 21 shares under the Employees Profit Sharing Plan during the second quarter, based on information from the respective plan trustees.

How many OSBC shares does Eccher hold through employee benefit plans?

Eccher reports 33,498 shares held indirectly through a 401(k)-type Salary and Savings Plan and 6,378 shares through the Employees Profit Sharing Plan. These balances incorporate second-quarter allocations reported by the plan trustees as of June 30, 2026.

Does this OSBC Form 4 show net buying or selling by James Eccher?

The Form 4 does not show net buying or selling activity. It reports plan-related allocations and updated holdings only, with the transaction summary indicating zero buy shares, zero sell shares, and a neutral net buy/sell direction across the reported transactions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 07/02/2026 - 10:06 AM

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Eccher James

(Last)

(First)

(Middle)

37 S. RIVER ST.

(Street)

AURORA

ILLINOIS

60506

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
OLD SECOND BANCORP INC [ OSBC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	CHAIRMAN AND CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/30/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Old Second Bancorp, Inc. Common Stock	06/30/2026		J		21⁽¹⁾	A	$0	6,378	I	By Profit Sharing
Old Second Bancorp, Inc. Common Stock	06/30/2026		J		111⁽²⁾	A	$0	33,498	I	By 401-K
Old Second Bancorp, Inc. Common Stock								378,399⁽³⁾	D
Restricted Stock Units								188,252	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Of this total, 21 shares were allocated during the second quarter pursuant to the Old Second Bancorp, Inc. Employees Profit Sharing Plan and Trust. Information herein was provided by the Plan Trustee as of 6-30-26.

2. Of this total, 111 shares were allocated during the second quarter pursuant to the Old Second Bancorp, Inc. Salary and Savings Plan. Information was provided herein by the Plan Trustee as of 6-30-26.

3. Included in this total are 148 shares held jointly with spouse and 378,251 shares held in a brokerage account.

	/s/ Shirley Cantrell, Attorney-in-Fact	07/02/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR