OSBC

Old Second Bancorp Inc

Company with tickers: OSBC

CIK

357173

CUSIP

680277100

Shares Outstanding

51,432,372

Website

https://www.oldsecond.com

Investor Relations

https://investors.oldsecond.com/overview/default.aspx

13F Activity (30d)

49 filings 46 filers

Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 3, 4 and 5. Form 4 must be filed within two business days of the trade.

Insider Sentiment Score

Peer-relative 0–100 rank of how aggressively insiders accumulated over the trailing 90 days. See the full ranking.

Net buyers

-1

Net shares bought

-0.15%

Net buy value

$1,585,588

Date	Insider	Role	Type	Shares	Price	Value	After
2026-05-22	COLLINS GARY S	Director, VICE CHAIRMAN	Other	30,136	—	—	30,136
2026-05-22	COLLINS GARY S	Director, VICE CHAIRMAN	Sell	5,120	$21.12	$108,134	58,136
2026-05-22	COLLINS GARY S	Director, VICE CHAIRMAN	Other	7,058	—	—	7,058
2026-05-22	COLLINS GARY S	Director, VICE CHAIRMAN	Other	37,312	—	—	37,312
2026-05-21	COLLINS GARY S	Director, VICE CHAIRMAN	Other	30,136	—	—	30,136
2026-05-21	COLLINS GARY S	Director, VICE CHAIRMAN	Other	37,312	—	—	37,312
2026-05-21	COLLINS GARY S	Director, VICE CHAIRMAN	Sell	10,000	$21.12	$211,200	63,256
2026-05-21	COLLINS GARY S	Director, VICE CHAIRMAN	Other	7,058	—	—	7,058
2026-05-11	Pilmer Donald	EVP	Other	183	—	—	183
2026-05-11	Lyons Billy J Jr.	Director	Other	10,595	—	—	10,595
2026-05-11	Pilmer Donald	EVP	Other	1,450	—	—	1,450
2026-05-11	Pilmer Donald	EVP	Other	4,023	—	—	4,023
2026-05-11	Pilmer Donald	EVP	Other	39,498	—	—	39,498
2026-05-11	Pilmer Donald	EVP	Sell	25,000	$20.75	$518,795	48,054
2026-05-11	Lyons Billy J Jr.	Director	Buy	24	$20.90	$502	20,097
2026-05-08	COLLINS GARY S	Director, VICE CHAIRMAN	Other	7,058	—	—	7,058
2026-05-08	COLLINS GARY S	Director, VICE CHAIRMAN	Other	37,312	—	—	37,312
2026-05-08	COLLINS GARY S	Director, VICE CHAIRMAN	Sell	5,000	$21.23	$106,125	73,256
2026-05-08	COLLINS GARY S	Director, VICE CHAIRMAN	Sell	10,000	$21.24	$212,400	30,136
2026-03-31	Eccher James	Director, CHAIRMAN AND CEO	Other	369	—	—	33,387
2026-03-31	Pilmer Donald	EVP	Other	1	—	—	183
2026-03-31	ADAMS BRADLEY S.	CFO & COO	Other	35	—	—	10,159
2026-03-31	Pilmer Donald	EVP	Other	1,450	—	—	1,450
2026-03-31	Pilmer Donald	EVP	Other	13	—	—	4,023
2026-03-31	Gartelmann Richard A JR	EVP	Other	21,294	—	—	21,294
2026-03-31	ADAMS BRADLEY S.	CFO & COO	Other	160,401	—	—	160,401
2026-03-31	COLLINS GARY S	Director, VICE CHAIRMAN	Other	253	—	—	7,058
2026-03-31	Gartelmann Richard A JR	EVP	Other	43	—	—	12,606
2026-03-31	COLLINS GARY S	Director, VICE CHAIRMAN	Other	37,312	—	—	37,312
2026-03-31	ADAMS BRADLEY S.	CFO & COO	Other	84,980	—	—	84,980
2026-03-31	COLLINS GARY S	Director, VICE CHAIRMAN	Other	78,256	—	—	78,256
2026-03-31	Pilmer Donald	EVP	Other	73,054	—	—	73,054
2026-03-31	Pilmer Donald	EVP	Other	39,498	—	—	39,498
2026-03-31	Eccher James	Director, CHAIRMAN AND CEO	Other	22	—	—	6,357
2026-03-31	Eccher James	Director, CHAIRMAN AND CEO	Other	188,252	—	—	188,252
2026-03-31	Gartelmann Richard A JR	EVP	Other	29,551	—	—	29,551
2026-03-31	Eccher James	Director, CHAIRMAN AND CEO	Other	378,399	—	—	378,399
2026-03-31	COLLINS GARY S	Director, VICE CHAIRMAN	Other	40,136	—	—	40,136
2026-03-20	COLLINS GARY S	Director, VICE CHAIRMAN	Other	37,312	—	—	37,312
2026-03-20	COLLINS GARY S	Director, VICE CHAIRMAN	Sell	22,154	$19.38	$429,435	40,136
2026-03-20	COLLINS GARY S	Director, VICE CHAIRMAN	Other	78,256	—	—	78,256
2026-03-20	COLLINS GARY S	Director, VICE CHAIRMAN	Other	6,805	—	—	6,805
2026-03-02	COLLINS GARY S	Director, VICE CHAIRMAN	Other	78,256	—	—	78,256
2026-03-02	Eccher James	Director, CHAIRMAN AND CEO	Other	33,018	—	—	33,018
2026-03-02	Pilmer Donald	EVP	Tax	2,720	$19.91	$54,155	73,054
2026-03-02	Pilmer Donald	EVP	Other	39,498	—	—	39,498
2026-03-02	Pilmer Donald	EVP	Other	4,040	—	—	4,040
2026-03-02	Eccher James	Director, CHAIRMAN AND CEO	Award	43,818	—	—	391,237
2026-03-02	COLLINS GARY S	Director, VICE CHAIRMAN	Other	46,624	—	—	46,624
2026-03-02	COLLINS GARY S	Director, VICE CHAIRMAN	Tax	4,228	$19.91	$84,179	15,666

Showing 1–50 of 998 transactions