SEC ownership of NSTS Bancorp, Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001881592.

Comparable stake leader

ALLIANCEBERNSTEIN L.P.

Disclosed value leader

ALLIANCEBERNSTEIN L.P.

Comparable rows

24/30

Latest evidence

01 Oct 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
24 of 30
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
ALLIANCEBERNSTEIN L.P.
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
01 Oct 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001881592
Issuer location
Waukegan, IL

Ownership snapshot

Top shareholders of NSTS Bancorp, Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
ALLIANCEBERNSTEIN L.P.
Disclosed value leader
ALLIANCEBERNSTEIN L.P.
Comparable rows
24/30
Latest evidence
01 Oct 2026
13F 13D/G 3/4/5 Lead comparable stake: 9.7% 6 rows are not safely comparable across share classes. 13D/G row: ALLIANCEBERNSTEIN L.P. Showing 1-8 of 30 holder rows.

Quick read

ALLIANCEBERNSTEIN L.P. leads the comparable SEC ownership view at 9.7%.

24 of 30 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens ALLIANCEBERNSTEIN L.P.'s linked filing trail.
Comparable ownership Top 5
ALLIANCEBERNSTEIN L.P. 9.7%
VANGUARD CAPITAL MANAGEMENT LLC 3.8%
GRAHAM CAPITAL WEALTH MANAGEMENT,... 2.1%
Yakira Capital Management, Inc. 1.8%
Focus Partners Wealth 1.4%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 30 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
ALLIANCEBERNSTEIN L.P.
13F 13D/G
Company
9.7%
from 13D/G
$6,021,935
516,461 shares
— 30 Jun 2026
VANGUARD CAPITAL MANAGEMENT LLC
13F
Company
13F
3.8%
$2,776,204
201,759 shares
— 30 Jun 2026
GRAHAM CAPITAL WEALTH MANAGEMENT, LLC
13F
Company
13F
2.1%
$1,506,252
109,466 shares
— 30 Jun 2026
Yakira Capital Management, Inc.
13F
Company
13F
1.8%
$1,288,404
93,634 shares
— 30 Jun 2026
Focus Partners Wealth
13F
Company
13F
1.4%
$992,261
72,112 shares
— 30 Jun 2026
RAFFLES ASSOCIATES LP
13F
Company
13F
1.1%
$778,665
56,589 shares
— 30 Jun 2026
Creative Planning
13F
Company
13F
0.85%
$619,200
45,000 shares
— 30 Jun 2026
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
13F
0.71%
$516,358
37,511 shares
— 30 Jun 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 03 Oct 2025.

Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-12 of 12 reporting-owner rows connected to NSTS Bancorp, Inc.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
12
Largest Forms 3/4/5 holder
Nathan E. Walker
Net 12M change
$0
Latest report
01 Oct 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Nathan E. Walker Executive Vice President $641,919 Mixed 26 Jun 2024
Kevin M. Dolan Director $392,000 Mixed 15 Jun 2023
Thaddeus M. Bond Jr. Director $392,000 Mixed 15 Jun 2023
Thomas M. Ivantic Director $0 Mixed 01 Oct 2026
Stephen G. Lear Chief Executive Officer, Director $0 Mixed 01 Oct 2026
Carissa H. Schoolcraft Chief Financial Officer $0 Mixed 01 Oct 2026
Rodney J. True Director $0 Mixed 01 Oct 2026
Amy L. Avakian Chief Lending Officer $0 Mixed 01 Oct 2026
Emily E. Ansani Director $0 Mixed 01 Oct 2026
Thomas J. Kneesel Director $0 Mixed 01 Oct 2026
John S. Pucin Director $0 Mixed 01 Oct 2026
Apolonio Arenas Director $0 Mixed 01 Oct 2026

Recent insider transactions for NSTS Bancorp, Inc.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Emily E. Ansani NSTS Common Stock Disposition pursuant to a tender of shares in a change of control transaction -100% -9,200 0 01 Oct 2026 Direct
Emily E. Ansani NSTS Stock Option Disposition pursuant to a tender of shares in a change of control transaction -100% -23,000 0 01 Oct 2026 Direct
John S. Pucin NSTS Common Stock Disposition pursuant to a tender of shares in a change of control transaction -100% -1,000 0 01 Oct 2026 Direct
Thomas M. Ivantic NSTS Common Stock Disposition pursuant to a tender of shares in a change of control transaction -100% -28,670 0 01 Oct 2026 Direct
Thomas M. Ivantic NSTS Stock Option Disposition pursuant to a tender of shares in a change of control transaction -100% -23,000 0 01 Oct 2026 Direct
Amy L. Avakian NSTS Common Stock Disposition pursuant to a tender of shares in a change of control transaction -100% -5,284 0 01 Oct 2026 By ESOP
Amy L. Avakian NSTS Common Stock Disposition pursuant to a tender of shares in a change of control transaction -100% -43,845 0 01 Oct 2026 Direct
Amy L. Avakian NSTS Stock Option Disposition pursuant to a tender of shares in a change of control transaction -100% -37,500 0 01 Oct 2026 Direct
Stephen G. Lear NSTS Common Stock Disposition pursuant to a tender of shares in a change of control transaction -100% -8,460 0 01 Oct 2026 By ESOP
Stephen G. Lear NSTS Common Stock Disposition pursuant to a tender of shares in a change of control transaction -100% -62,905 0 01 Oct 2026 Direct
Stephen G. Lear NSTS Stock Option Disposition pursuant to a tender of shares in a change of control transaction -100% -90,000 0 01 Oct 2026 Direct
Carissa H. Schoolcraft NSTS Common Stock Disposition pursuant to a tender of shares in a change of control transaction -100% -5,253 0 01 Oct 2026 By ESOP
Carissa H. Schoolcraft NSTS Common Stock Disposition pursuant to a tender of shares in a change of control transaction -100% -24,190 0 01 Oct 2026 Direct
Carissa H. Schoolcraft NSTS Stock Option Disposition pursuant to a tender of shares in a change of control transaction -100% -50,000 0 01 Oct 2026 Direct
Thomas J. Kneesel NSTS Common Stock Disposition pursuant to a tender of shares in a change of control transaction -100% -29,200 0 01 Oct 2026 Direct
Thomas J. Kneesel NSTS Stock Option Disposition pursuant to a tender of shares in a change of control transaction -100% -23,000 0 01 Oct 2026 Direct
Apolonio Arenas NSTS Common Stock Disposition pursuant to a tender of shares in a change of control transaction -100% -7,500 0 01 Oct 2026 Held by Spouse
Apolonio Arenas NSTS Common Stock Disposition pursuant to a tender of shares in a change of control transaction -100% -26,700 0 01 Oct 2026 Direct
Apolonio Arenas NSTS Stock Option Disposition pursuant to a tender of shares in a change of control transaction -100% -23,000 0 01 Oct 2026 Direct
Rodney J. True NSTS Common Stock Disposition pursuant to a tender of shares in a change of control transaction -100% -10,000 0 01 Oct 2026 Held by Spouse
Rodney J. True NSTS Common Stock Disposition pursuant to a tender of shares in a change of control transaction -100% -39,200 0 01 Oct 2026 Direct
Rodney J. True NSTS Stock Option Disposition pursuant to a tender of shares in a change of control transaction -100% -23,000 0 01 Oct 2026 Direct
* marks a reported price that did not pass the local price check.
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .