Were the CTS CEO’s June 2026 share sales made under a Rule 10b5-1 plan?

Yes. The Form 4 footnote states the transactions were effected under a Rule 10b5-1 trading plan adopted on March 2, 2026. Such plans pre-arrange trades, indicating these sales were scheduled in advance rather than timed opportunistically.

What is meant by weighted average price in the CTS CEO share sales filing?

Weighted average price means each reported per-share figure averages multiple individual trades executed at different prices that day. The filing notes that shares were sold in several transactions within specified price ranges and that detailed price breakdowns are available upon request.

CTS (CTS) CEO Kieran O'Sullivan sells 130,000 shares in pre-set 10b5-1 trades

Filing Impact

(Very High)

Filing Sentiment

(Very Negative)

Form Type

Rhea-AI Filing Summary

CTS Corp President & CEO Kieran M. O'Sullivan reported open-market sales of 130,000 shares of CTS common stock over three days. He sold 46,955 shares on June 1, 2026 at a weighted average price of $63.3111, 60,388 shares on June 2, 2026 at $66.2627, and 22,657 shares on June 3, 2026 at $66.6708 per share.

The filing states these transactions were executed under a pre-arranged Rule 10b5-1 trading plan adopted on March 2, 2026, indicating they were scheduled in advance. After the reported sales, O'Sullivan directly holds 307,693 CTS common shares.

Insights

CEO sells 130,000 CTS shares under pre-set 10b5-1 plan.

Kieran M. O'Sullivan, President & CEO of CTS Corp, reported three open-market sales totaling 130,000 common shares at prices between about $63.31 and $66.67. These are explicit sale transactions, not option exercises or tax withholdings.

The filing specifies that the trades were made pursuant to a Rule 10b5-1 trading plan adopted on March 2, 2026. Such plans are typically used to schedule sales in advance, reducing the significance of trade timing as a signal of management’s short-term outlook.

Following the sales, O'Sullivan directly holds 307,693 CTS shares, indicating he retains a substantial equity position. The net effect is a material but partial reduction in his holdings, with the informational impact shaped by the pre-planned nature of the transactions rather than discretionary market timing.

Insider Trade Summary 10b5-1

Net Seller: 130,000 shares ($8,484,805)

Net Sell 3 txns

Insider O'SULLIVAN KIERAN M

Role President & CEO

Sold 130,000 shs ($8.48M)

Type	Security	Shares	Price	Value
Sale	Common Stock	22,657	$66.6708	$1.51M
Sale	Common Stock	60,388	$66.2627	$4.00M
Sale	Common Stock	46,955	$63.3111	$2.97M

Holdings After Transaction: Common Stock — 307,693 shares (Direct, null)

Footnotes (1)

The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 2, 2026, intended to satisfy Rule 10b5-1(c). The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $62.07 to $64.35, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64.615 to $66.87, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $66.06 to $67.37 inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Key Figures

Total shares sold: 130,000 shares Shares sold June 1, 2026: 46,955 shares Shares sold June 2, 2026: 60,388 shares +3 more

6 metrics

Total shares sold 130,000 shares Aggregate CEO open-market sales in early June 2026

Shares sold June 1, 2026 46,955 shares Open-market sale at weighted average $63.3111

Shares sold June 2, 2026 60,388 shares Open-market sale at weighted average $66.2627

Shares sold June 3, 2026 22,657 shares Open-market sale at weighted average $66.6708

Shares held after transactions 307,693 shares CEO direct CTS common stock holdings post-sale

Rule 10b5-1 plan adoption date March 2, 2026 Date CEO adopted pre-arranged trading plan

Key Terms

Rule 10b5-1 trading plan, open-market sale, weighted average price

3 terms

Rule 10b5-1 trading plan regulatory

"The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

open-market sale financial

"transaction_action: "open-market sale" and transaction_code_description: "Sale in open market or private transaction""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

weighted average price financial

"The price reported is a weighted average price. These shares were sold in multiple transactions"

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

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Form 4 Insider Transactions: What Each Field Means →

06/03/2026 - 05:13 PM

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^*

O'SULLIVAN KIERAN M

(Last)

(First)

(Middle)

4925 INDIANA AVE

(Street)

LISLE

ILLINOIS

60532

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
CTS CORP [ CTS ]

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

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	President & CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/01/2026

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)
Common Stock	06/01/2026		S⁽¹⁾		46,955	D	$63.3111⁽²⁾	390,738	D
Common Stock	06/02/2026		S⁽¹⁾		60,388	D	$66.2627⁽³⁾	330,350	D
Common Stock	06/03/2026		S⁽¹⁾		22,657	D	$66.6708⁽⁴⁾	307,693	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. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 2, 2026, intended to satisfy Rule 10b5-1(c).

2. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $62.07 to $64.35, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

3. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64.615 to $66.87, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

4. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $66.06 to $67.37 inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

	Debra S. Rouse, attorney-in-fact for Kieran M. O'Sullivan	06/03/2026
	** 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

FAQ

What insider transaction did CTS (CTS) report for its CEO?

CTS reported that President & CEO Kieran M. O'Sullivan sold 130,000 shares of CTS common stock. The sales occurred over three days in early June 2026 through open-market transactions at disclosed weighted average prices.

Over what dates did CTS CEO Kieran O'Sullivan sell shares, and at what prices?

Kieran O'Sullivan sold CTS shares on June 1, 2, and 3, 2026. Weighted average prices were $63.3111, $66.2627, and $66.6708 per share, with each day’s sales executed through multiple transactions within specified price ranges.

How many CTS (CTS) shares does the CEO hold after these reported sales?

After the reported transactions, CTS President & CEO Kieran O'Sullivan directly holds 307,693 shares of CTS common stock. This figure reflects his remaining direct ownership following the three open-market sales totaling 130,000 shares disclosed in the Form 4 filing.