Knowles Corp SEC Filings

KN filed a Form 144 notice for a planned stock sale by shareholder Jeffrey S. Niew. The filing states an intention to sell 50,000 shares of KN common stock through Morgan Stanley Smith Barney LLC on the NYSE, with an aggregate market value of $1,237,500. The number of KN common shares outstanding is listed as 85,151,884.

The shares to be sold were originally acquired from the issuer as equity awards, including performance shares and restricted stock granted between February 8, 2021 and February 7, 2022. The notice also lists prior KN common stock sales in the past three months by the same seller, including 98,252 shares sold on October 31, 2025 for gross proceeds of $2,330,026.53.

Knowles Corp Senior Vice President and COO Daniel Giesecke reported an insider equity transaction involving company common stock. On 12/11/2025, he exercised a non-qualified stock option to buy 31,513 shares of Knowles common stock at an exercise price of $16.77 per share, as shown by transaction code "M" in the filing. The related derivative position was fully exercised, leaving 0 non-qualified stock options of this grant outstanding.

On the same date, transaction code "F" shows a disposition of 26,205 shares of common stock at $24.04 per share, described as shares withheld to cover the option exercise price and tax liability. After these transactions, Giesecke directly owned 184,180 shares of Knowles common stock.

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)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.