Welcome to our dedicated page for Knowles SEC filings (Ticker: KN), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Knowles Corporation SEC filings document the reporting and governance matters of a specialty electronic components manufacturer. Recent Form 8-K disclosures cover quarterly and annual operating results, financial presentation materials, and business updates for products such as high-performance capacitors, RF filters, medtech microphones, and balanced armature speakers.
The company's proxy and annual meeting filings address director elections, advisory votes on executive compensation, auditor ratification, pay-versus-performance disclosure, and other governance matters. Additional 8-K disclosures document executive compensation arrangements, including performance share units under the company's equity and cash incentive plan and performance metrics tied to the Cornell Dubilier business unit.
Knowles Corp insider activity shows its President & CEO, who is also a director, reporting a sale of company stock. On 12/10/2025, the reporting person sold 25,000 shares of Knowles common stock at a price of $24 per share. After this transaction, the insider beneficially owns 889,370 shares of Knowles common stock in direct ownership form. The filing notes that this trade was carried out under a pre-arranged Rule 10b5-1 trading plan adopted on August 13, 2025, which is designed to allow insiders to systematically sell shares under predefined conditions.
A holder of KN common stock has filed notice of a planned sale of 25,000 shares through Morgan Stanley Smith Barney, with an aggregate market value of 600000.00. The sale is expected to occur on or around 12/10/2025 on the NYSE, where 85,151,884 common shares are reported as outstanding. The shares to be sold were originally acquired from the issuer as restricted stock and performance shares in February 2022. Over the past three months, the same individual, Jeffrey S. Niew, has reported additional sales of KN common stock, including 25,000 shares on 12/04/2025, 38,404 shares on 11/03/2025, and 98,252 shares on 10/31/2025, with total disclosed gross proceeds in the low millions of dollars.
Knowles Corp (KN) insider trading update: the company’s President and CEO, who is also a director, reported selling 25,000 shares of Knowles common stock on December 4, 2025. The sale was reported at a price of $23.50 per share, using transaction code “S,” which indicates an open market or private sale. After this transaction, the reporting person beneficially owns 914,370 shares of Knowles common stock. The filing notes that the sale was carried out under a Rule 10b5‑1 trading plan that the reporting person adopted on August 13, 2025, which is a pre-arranged plan commonly used to systematically sell shares over time.
Jeffrey S. Niew filed a Form 144 notice to sell common stock of KN under Rule 144. The planned sale covers 25,000 common shares through Morgan Stanley Smith Barney LLC, with an aggregate market value of $587,500, and the shares are listed on the NYSE. The filing notes 85,151,884 common shares outstanding. The securities to be sold were acquired as restricted stock from the issuer in three grants in February 2022. Over the past three months, Niew has already sold 38,404 common shares for gross proceeds of $904,402.68 and 98,252 common shares for $2,330,026.53.
Knowles Corp (KN) reported an insider stock sale by John Anderson, its Senior Vice President and CFO. On 11/25/2025, Anderson sold 10,000 shares of common stock at $21.95 per share and an additional 1,440 shares at $22.40 per share. After these transactions, he directly owned 205,859 shares of Knowles common stock.
The filing notes that the sales were made under a pre-arranged Rule 10b5-1 trading plan that Anderson adopted on August 22, 2025, which is designed to allow insiders to sell shares according to a predetermined schedule.
A stockholder of KN filed a Form 144 notice to sell company stock. The notice covers 11,440 shares of common stock, with an aggregate market value of 251,756.00, to be sold through Morgan Stanley Smith Barney LLC on the NYSE, with an approximate sale date of 11/25/2025. The shares come from restricted stock and shares acquired by exercise of company-issued awards. The filing also reports that the same seller disposed of 30,000 common shares on 11/21/2025 for gross proceeds of 631,941.00. The signer represents that they are not aware of any undisclosed material adverse information about the issuer’s operations.
Knowles Corp (KN) reported an amended insider trading disclosure for its Senior Vice President & CFO. On November 21, 2025, the executive sold three blocks of 10,000 shares of common stock each, totaling 30,000 shares, at weighted average prices of $20.9, $20.8, and $21.5.
After these sales, the executive directly beneficially owned 217,299 shares of Knowles common stock. The filing clarifies that the transactions were executed under a Rule 10b5-1 trading plan adopted on August 22, 2025, and the amendment is to correct that prior omission rather than to report new transactions.
Knowles Corporation (KN) reported an insider stock transaction by its Senior Vice President & Chief Financial Officer. The Form 4 shows that on 11/21/2025, the executive sold a total of 30,000 shares of Knowles common stock in three separate open-market transactions. The reported weighted average sale prices were $20.90, $20.80, and $21.50 per share.
The filing notes that for the two weighted-average prices, the shares were sold in multiple trades within price ranges of $20.67–$21.055 and $20.75–$20.89, and detailed breakdowns are available upon request. After these sales, the executive directly holds 217,299 shares of Knowles common stock.
A holder of KN common stock filed a Form 144 notice to sell up to 30,000 shares through Morgan Stanley Smith Barney LLC on the NYSE. The planned sale has an stated aggregate market value of $631,941.00. The filing notes that 85,151,884 shares of the same class of common stock are outstanding, giving a sense of the sale’s relative size. The approximate sale date disclosed is 11/21/2025. The shares to be sold were acquired from the issuer through a mix of exercised shares, restricted stock, and performance shares granted between 2021 and 2024.
Ariel Investments, LLC filed Amendment No. 4 to Schedule 13G reporting beneficial ownership in Knowles Corp (KN). Ariel reports 4,108,160 shares beneficially owned, representing 4.8% of the common stock, as of the event date 09/30/2025.
The firm has sole voting power over 3,752,222 shares and sole dispositive power over 4,108,160 shares, with no shared voting or dispositive power. Ariel states the holdings were acquired and are held in the ordinary course of business and not to change or influence control. Ariel’s adviser clients have the right to receive dividends or sale proceeds; none hold more than 5%.