Comparable stake leader
BlackRock, Inc.
SEC ownership of CTS CORP
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000026058.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
01 Jun 2026
- Public ticker
- CTS on NYSE
- Parsed ownership sources
-
13F, 13D/G, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
BlackRock, Inc.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
01 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0000026058
- Issuer location
- Lisle, IL
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of CTS CORP (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
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
01 Jun 2026
13F
13D/G
3/4/5
Lead comparable stake: 15%
13D/G row: BlackRock, Inc.
Showing 1-8 of 50 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 15%.
50 of 50 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 BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
15%
WASATCH ADVISORS LP
11%
EARNEST PARTNERS LLC
6.7%
VANGUARD CAPITAL MANAGEMENT LLC
5.1%
T. Rowe Price Investment Manageme...
1.8%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
15%
from 13D/G
|
$210,360,120
4,404,525 shares
|
— | 31 Mar 2026 |
| WASATCH ADVISORS LP |
13D/G
13F
Company
|
11%
|
$183,130,537
3,121,898 shares
|
+$50,415,337 | 29 May 2026 |
| EARNEST PARTNERS LLC |
13D/G
13F
Company
|
6.7%
|
$82,796,830
1,976,058 shares
|
$0 | 30 Jun 2025 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
5.1%
|
$69,438,933
1,453,914 shares
|
$0 | 31 Mar 2026 |
| T. Rowe Price Investment Management, Inc. |
13D/G
|
1.8%
|
$21,674,719
542,682 shares
|
-$44,354,129 | 30 Sep 2025 |
| Kieran M. O'Sullivan |
3/4/5
President & CEO, Director
|
1.1%
|
$20,514,138
307,693 shares
|
-$8,484,805 | 01 Jun 2026 |
| Ashish Agrawal |
3/4/5
CFO
|
0.38%
|
$5,772,048
109,030 shares
|
-$1,325,000 | 24 Feb 2026 |
| Robert Profusek |
3/4/5
Director
|
0.36%
|
$4,135,467
103,542 shares
|
— | 06 Nov 2025 |
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
Net insider flow leans to selling over the last 12 months. Net value: -$9,809,805.
Buys
$0
Insiders: 0
Sells
$9,809,805
Insiders: 2
Net
-$9,809,805
Shares: -155,000
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 155,000
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 130,000 | $0 | $8,484,805 | -$8,484,805 |
| 3-6 | 0 | 25,000 | $0 | $1,325,000 | -$1,325,000 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-18 of 18 reporting-owner rows connected to CTS CORP. Open a relationship link for the CIK-to-CIK filing trail.
Rows
18
Largest Forms 3/4/5 holder
Kieran M. O'Sullivan
Net 12M change
-$9,809,805
Latest report
01 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Kieran M. O'Sullivan | President & CEO, Director | $20,514,138 | -$8,484,805 | -29% | Filing P/S | 01 Jun 2026 |
| Ashish Agrawal | Cfo | $5,772,048 | -$1,325,000 | -19% | Mixed | 24 Feb 2026 |
| Robert Profusek | Director | $4,135,467 | Mixed | 06 Nov 2025 | ||
| Gordon Hunter | Director | $2,409,834 | Mixed | 04 Nov 2021 | ||
| William S. Johnson | Director | $1,865,198 | Mixed | 06 Nov 2025 | ||
| Alfonso G. Zulueta | Director | $1,434,365 | Mixed | 06 Nov 2025 | ||
| Scott D'Angelo | VP & Secretary | $1,401,155 | Mixed | 07 Feb 2025 | ||
| Martin Baumeister | Senior Vice President | $1,110,303 | Mixed | 07 Feb 2025 | ||
| Donna Costello | Director | $778,830 | Mixed | 06 Nov 2025 | ||
| Michael Edward Murray | Senior Vice President | $571,082 | Mixed | 10 Feb 2023 | ||
| Randy Lee Stone | Director | $487,268 | Mixed | 06 Nov 2025 | ||
| Mark R. Pacioni | Chief Legal and Admin. Officer | $473,944 | Mixed | 11 Feb 2026 | ||
| Pratik Trivedi | Chief Operating Officer | $448,084 | Median | 08 May 2026 | ||
| Amy M. Dodrill | Director | $351,472 | Mixed | 06 Nov 2025 | ||
| Ye Jane Li | Director | $297,346 | Mixed | 10 Nov 2022 | ||
| Thomas Michael White | Corporate Controller & PAO | $236,293 | Mixed | 09 Feb 2024 | ||
| Kimberly Banks MacKay | Director | $139,790 | Mixed | 06 Nov 2025 | ||
| John M. Hawkins | Senior Vice President | $95,997 | Median | 01 Jun 2026 |
Recent insider transactions for CTS CORP
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Kieran M. O'Sullivan | CTS | Common Stock | Sale | -6.86% | $1,510,560 | $66.67 | -22,657 | 307,693 | 03 Jun 2026 | Direct |
| Kieran M. O'Sullivan | CTS | Common Stock | Sale | -15.4% | $4,001,472 | $66.26 | -60,388 | 330,350 | 02 Jun 2026 | Direct |
| Kieran M. O'Sullivan | CTS | Common Stock | Sale | -10.7% | $2,972,773 | $63.31 | -46,955 | 390,738 | 01 Jun 2026 | Direct |
| John M. Hawkins | CTS | Common Stock | Award | 2,010 | 2,010 | 01 Jun 2026 | Direct | |||
| Pratik Trivedi | CTS | Common Stock | Tax liability | -18% | -2,056 | 9,382 | 08 May 2026 | Direct | ||
| Ashish Agrawal | CTS | Common Stock | Tax liability | -1.82% | -2,024 | 109,030 | 24 Feb 2026 | Direct | ||
| Ashish Agrawal | CTS | Common Stock | Award | 4.04% | 4,310 | 111,054 | 24 Feb 2026 | Direct | ||
| Kieran M. O'Sullivan | CTS | Common Stock | Tax liability | -1.69% | -7,526 | 437,693 | 24 Feb 2026 | Direct | ||
| Kieran M. O'Sullivan | CTS | Common Stock | Award | 3.94% | 16,873 | 445,219 | 24 Feb 2026 | Direct | ||
| Kieran M. O'Sullivan | CTS | Common Stock | Award | 6.09% | 24,596 | 428,346 | 12 Feb 2026 | Direct | ||
| Mark R. Pacioni | CTS | Common Stock | Award | 80.3% | 3,693 | 8,293 | 11 Feb 2026 | Direct | ||
| Pratik Trivedi | CTS | Common Stock | Award | 44.1% | 3,500 | 11,438 | 11 Feb 2026 | Direct | ||
| Ashish Agrawal | CTS | Common Stock | Award | 5.96% | 6,002 | 106,744 | 11 Feb 2026 | Direct | ||
| Kieran M. O'Sullivan | CTS | Common Stock | Tax liability | -1.7% | -6,980 | 403,750 | 09 Feb 2026 | Direct | ||
| Ashish Agrawal | CTS | Common Stock | Tax liability | -4.11% | -4,314 | 100,742 | 09 Feb 2026 | Direct | ||
| Kieran M. O'Sullivan | CTS | Common Stock | Tax liability | -0.89% | -3,680 | 410,730 | 06 Feb 2026 | Direct | ||
| Pratik Trivedi | CTS | Common Stock | Tax liability | -1.55% | -125 | 7,938 | 05 Feb 2026 | Direct | ||
| Ashish Agrawal | CTS | Common Stock | Tax liability | -0.88% | -931 | 105,056 | 05 Feb 2026 | Direct | ||
| Ashish Agrawal | CTS | Common Stock | Sale | -19.1% | $1,325,000 | $53.00 | -25,000 | 105,987 | 02 Feb 2026 | Direct |
| Amy M. Dodrill | CTS | Common Stock | Award | 66% | 3,500 | 8,800 | 06 Nov 2025 | Direct | ||
| Randy Lee Stone | CTS | Common Stock | Award | 40.2% | 3,500 | 12,200 | 06 Nov 2025 | Direct | ||
| Alfonso G. Zulueta | CTS | Common Stock | Award | 10.8% | 3,500 | 35,913 | 06 Nov 2025 | Direct | ||
| Donna Costello | CTS | Common Stock | Award | 21.9% | 3,500 | 19,500 | 06 Nov 2025 | Direct | ||
| William S. Johnson | CTS | Common Stock | Award | 8.1% | 3,500 | 46,700 | 06 Nov 2025 | Direct | ||
| Robert Profusek | CTS | Common Stock | Award | 3.56% | 3,500 | 101,742 | 06 Nov 2025 | Direct | ||
| Mark R. Pacioni | CTS | Common Stock | Award | 4,600 | 4,600 | 29 Jul 2025 | Direct |
* marks a reported price that did not pass the local price check.