STOCK TITAN

[Form 4] OLD SECOND BANCORP INC Insider Trading Activity

Filing Impact
(Low)
Filing Sentiment
(Neutral)
Form Type
4

Bradley S. Adams, CFO & COO of Old Second Bancorp, Inc. (OSBC), reported transactions on 09/30/2025. The Form 4 shows a 35-share allocation to his 401(k) plan at no cost and lists dispositions of 143,308 shares of common stock and 77,444 restricted stock units. Following the reported activity, Mr. Adams beneficially owns 10,085 shares indirectly through the 401(k) plan. The filing notes that the 143,308 disposed shares reflect holdings jointly held with his spouse (75,300 shares with a broker and 68,008 shares held outright). Transactions were reported by an attorney-in-fact on 10/01/2025.

Bradley S. Adams, CFO & COO di Old Second Bancorp, Inc. (OSBC), ha riferito operazioni al 30/09/2025. Il modulo 4 mostra un'allocazione di 35 azioni al suo piano 401(k) a costo zero e indica disposizioni di 143.308 azioni ordinarie e 77.444 unità di azioni vincolate. Dopo l’attività riportata, il signor Adams possiede indirettamente 10.085 azioni tramite il piano 401(k). Il deposito osserva che le 143.308 azioni dispose riflettono partecipazioni congiunte con il coniuge (75.300 azioni con un broker e 68.008 azioni detenute direttamente). Le operazioni sono state segnalate da un procuratore in fatto il 01/10/2025.

Bradley S. Adams, CFO y COO de Old Second Bancorp, Inc. (OSBC), informó operaciones el 30/09/2025. El Formulario 4 muestra una asignación de 35 acciones a su plan 401(k) sin costo y lista disposiciones de 143.308 acciones ordinarias y 77.444 unidades de acciones restringidas. Tras la actividad reportada, el Sr. Adams posee de forma beneficiosa 10.085 acciones indirectamente a través del plan 401(k). La declaración señala que las 143.308 acciones dispuestas reflejan participaciones conjuntas con su cónyuge (75.300 acciones con un bróker y 68.008 acciones en posesión directa). Las transacciones fueron reportadas por un apoderado el 01/10/2025.

Bradley S. Adams, OSBC의 CFO 겸 COO,는 2025년 9월 30일 거래를 보고했습니다. Form 4는 그의 401(k) 계획에 비용 없이 35주를 배정했으며 주식 143,308주 처분77,444주로 제한된 주식 단위를 나열합니다. 보고된 활동 이후, Adams 씨는 401(k) 계획을 통해 간접적으로 10,085주를 보유합니다. 제출서는 처분된 143,308주가 배우자와 공동으로 보유한 지분을 반영한다고 명시합니다(브로커와 함께 75,300주직접 보유 68,008주). 거래는 2025년 10월 1일에 대리인에 의해 보고되었습니다.

Bradley S. Adams, directeur financier (CFO) et COO d'Old Second Bancorp, Inc. (OSBC), a déclaré des transactions le 30/09/2025. Le Formulaire 4 indique une attribution de 35 actions à son plan 401(k) sans frais et répertorie des cessions de 143 308 actions ordinaires et 77 444 unités d'actions restreintes. Suite à l'activité signalée, M. Adams détient de manière bénéficiaire 10 085 actions indirectement par le biais du plan 401(k). Le dépôt précise que les 143 308 actions disposées reflètent des participations détenues conjointement avec son conjoint (75 300 actions chez un courtier et 68 008 actions détenues directement). Les transactions ont été signalées par un mandataire le 01/10/2025.

Bradley S. Adams, CFO & COO der Old Second Bancorp, Inc. (OSBC), gab Transaktionen am 30.09.2025 bekannt. Das Formular 4 zeigt eine Zuweisung von 35 Anteilen an seinen 401(k)-Plan ohne Kosten und listet Veräußerungen von 143.308 Stammaktien sowie 77.444 Restricted Stock Units auf. Nach der berichteten Aktivität besitzt Herr Adams indirekt 10.085 Aktien über den 401(k)-Plan. Die Einreichung vermerkt, dass die 143.308 veräußerten Anteile gemeinschaftlich mit seinem Ehepartner gehalten werden, (75.300 Anteile bei einem Broker und 68.008 Anteile direkt gehalten). Transaktionen wurden von einem Bevollmächtigten am 01.10.2025 gemeldet.

Bradley S. Adams، المدير المالي وCFO والمدير التنفيذي للعمليات في Old Second Bancorp، Inc. (OSBC)، قام بالإبلاغ عن معاملات في 30/09/2025. يبيِّن النموذج 4 تخصيص 35 سهماً لخطة 401(k) الخاصة به بدون تكلفة ويُدرِج تصرفات لـ 143,308 سهماً من الأسهم العادية و 77,444 وحدة أسهم مقيدة. عقب النشاط المُبلغ عنه، يملك السيد Adams بشكل مستفيد 10,085 سهماً بشكل غير مباشر عبر خطة 401(k). وتشير الإيداع إلى أن الــ143,308 سهماً المباعَة تعكس ملكيات مشتركة مع زوجته (75,300 سهماً مع وسيط و68,008 سهماً مملوكة مباشرة). تم الإبلاغ عن المعاملات من قبل وكيـلٍ قانوني في 01/10/2025.

Bradley S. Adams,Old Second Bancorp, Inc.(OSBC)的首席执行官兼首席财务官兼首席运营官,已在2025年9月30日披露交易。 Form 4 显示向其 401(k) 计划分配 35 股零成本,并列出 处置的 143,308 股普通股77,444 份受限股票单位。在所披露的活动之后,Adams 先生通过 401(k) 计划间接拥有 10,085 股。备案中指出,143,308 股处置股份反映为与其配偶共同持有的股份(75,300 股与经纪人合伙持有,以及 68,008 股直接持有)。交易由代理律师在 2025-10-01 报告。

Positive
  • Officer received 35 shares allocated to the Old Second Bancorp, Inc. Employee Salary and Savings Plan at $0, indicating continued participation in the company retirement plan
  • Retains indirect ownership of 10,085 shares through the 401(k) plan after reporting
Negative
  • Reported dispositions total 143,308 common shares, a material reduction in the officer's previously held common stock position
  • Reported disposition of 77,444 restricted stock units, representing a substantial movement of equity awards that could affect perceived insider alignment

Insights

TL;DR: Significant disposals reported by the CFO/COO, with a small 401(k) allocation retained.

The Form 4 documents large disposals totaling 220,752 equity-related units when combining 143,308 common shares and 77,444 restricted stock units, alongside a minor 35-share allocation into the company 401(k). The filing clarifies that the 143,308 shares correspond to joint holdings with a spouse, suggesting internal re-titling or transfer rather than a market sale, but the form itself records them as dispositions. Such sizable movements by a senior officer can be material for governance transparency and should be monitored alongside any subsequent filings that disclose the nature of the transfers.

TL;DR: Large insider disposals may be viewed negatively; retained indirect ownership remains modest.

The report shows a 35-share acquisition into a 401(k) and substantial reported disposals of 143,308 common shares and 77,444 RSUs. After these entries, the officer's beneficial indirect ownership through the 401(k) is 10,085 shares. From a market-impact perspective, the disposals are sizable relative to an individual insider position and could be perceived negatively absent additional context explaining transfers to joint accounts. The filing does not state sale prices or whether dispositions were sales versus transfers, limiting conclusions about market impact.

Bradley S. Adams, CFO & COO di Old Second Bancorp, Inc. (OSBC), ha riferito operazioni al 30/09/2025. Il modulo 4 mostra un'allocazione di 35 azioni al suo piano 401(k) a costo zero e indica disposizioni di 143.308 azioni ordinarie e 77.444 unità di azioni vincolate. Dopo l’attività riportata, il signor Adams possiede indirettamente 10.085 azioni tramite il piano 401(k). Il deposito osserva che le 143.308 azioni dispose riflettono partecipazioni congiunte con il coniuge (75.300 azioni con un broker e 68.008 azioni detenute direttamente). Le operazioni sono state segnalate da un procuratore in fatto il 01/10/2025.

Bradley S. Adams, CFO y COO de Old Second Bancorp, Inc. (OSBC), informó operaciones el 30/09/2025. El Formulario 4 muestra una asignación de 35 acciones a su plan 401(k) sin costo y lista disposiciones de 143.308 acciones ordinarias y 77.444 unidades de acciones restringidas. Tras la actividad reportada, el Sr. Adams posee de forma beneficiosa 10.085 acciones indirectamente a través del plan 401(k). La declaración señala que las 143.308 acciones dispuestas reflejan participaciones conjuntas con su cónyuge (75.300 acciones con un bróker y 68.008 acciones en posesión directa). Las transacciones fueron reportadas por un apoderado el 01/10/2025.

Bradley S. Adams, OSBC의 CFO 겸 COO,는 2025년 9월 30일 거래를 보고했습니다. Form 4는 그의 401(k) 계획에 비용 없이 35주를 배정했으며 주식 143,308주 처분77,444주로 제한된 주식 단위를 나열합니다. 보고된 활동 이후, Adams 씨는 401(k) 계획을 통해 간접적으로 10,085주를 보유합니다. 제출서는 처분된 143,308주가 배우자와 공동으로 보유한 지분을 반영한다고 명시합니다(브로커와 함께 75,300주직접 보유 68,008주). 거래는 2025년 10월 1일에 대리인에 의해 보고되었습니다.

Bradley S. Adams, directeur financier (CFO) et COO d'Old Second Bancorp, Inc. (OSBC), a déclaré des transactions le 30/09/2025. Le Formulaire 4 indique une attribution de 35 actions à son plan 401(k) sans frais et répertorie des cessions de 143 308 actions ordinaires et 77 444 unités d'actions restreintes. Suite à l'activité signalée, M. Adams détient de manière bénéficiaire 10 085 actions indirectement par le biais du plan 401(k). Le dépôt précise que les 143 308 actions disposées reflètent des participations détenues conjointement avec son conjoint (75 300 actions chez un courtier et 68 008 actions détenues directement). Les transactions ont été signalées par un mandataire le 01/10/2025.

Bradley S. Adams, CFO & COO der Old Second Bancorp, Inc. (OSBC), gab Transaktionen am 30.09.2025 bekannt. Das Formular 4 zeigt eine Zuweisung von 35 Anteilen an seinen 401(k)-Plan ohne Kosten und listet Veräußerungen von 143.308 Stammaktien sowie 77.444 Restricted Stock Units auf. Nach der berichteten Aktivität besitzt Herr Adams indirekt 10.085 Aktien über den 401(k)-Plan. Die Einreichung vermerkt, dass die 143.308 veräußerten Anteile gemeinschaftlich mit seinem Ehepartner gehalten werden, (75.300 Anteile bei einem Broker und 68.008 Anteile direkt gehalten). Transaktionen wurden von einem Bevollmächtigten am 01.10.2025 gemeldet.

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).
1. Name and Address of Reporting Person*
ADAMS BRADLEY S.

(Last) (First) (Middle)
37 S. RIVER ST.

(Street)
AURORA IL 60506

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
OLD SECOND BANCORP INC [ OSBC ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
CFO & COO
3. Date of Earliest Transaction (Month/Day/Year)
09/30/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
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)
Code V Amount (A) or (D) Price
Old Second Bancorp, Inc. Common Stock 09/30/2025 J V 35 A $0 10,085(1) I By 401-k Plan
Old Second Bancorp, Inc. Common Stock 143,308(2) D
Restricted Stock Units 77,444 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)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Explanation of Responses:
1. Of this total, 35 shares were allocated during the third quarter pursuant to the Old Second Bancorp, Inc. Employee Salary and Savings Plan. Information herein was provided by the Plan trustee as of 09-30-25.
2. Included in this total are 75,300 shares held jointly with spouse with a broker and 68,008 shares held jointly with spouse outright.
/s/ Shirley Cantrell, Attorney-in-Fact 10/01/2025
** 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.

FAQ

What did OSBC CFO & COO Bradley S. Adams report on Form 4?

The Form 4 reports a 35-share allocation to his 401(k) and dispositions of 143,308 common shares and 77,444 restricted stock units with resulting indirect ownership of 10,085 shares.

When were the transactions reported for OSBC (Form 4)?

The transactions are dated 09/30/2025 and the Form 4 was signed by an attorney-in-fact on 10/01/2025.

Does the filing explain the nature of the 143,308-share disposition?

Yes. The filing explains that the 143,308 shares include 75,300 shares held jointly with spouse with a broker and 68,008 shares held jointly with spouse outright.

How many shares does Mr. Adams own after these transactions?

Following the reported transactions, Mr. Adams beneficially owns 10,085 shares indirectly through the 401(k) plan.

Were prices provided for the dispositions in the Form 4?

The Form 4 shows a $0 price for the 35-share allocation; no sale prices are provided for the reported dispositions of common stock or RSUs.
Old Second Bancorp Inc Ill

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