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.
Dimensional Fund Advisors, a Delaware limited partnership, reports beneficial ownership of 5,019,161 shares of Knowles Corp common stock, representing 5.9% of the class. It has sole power to vote 4,933,358 shares and sole dispositive power over all 5,019,161 shares, with no shared voting or dispositive power. The shares are held by various investment companies, commingled funds, group trusts and separate accounts for which Dimensional or its subsidiaries act as adviser or manager. Dimensional may be deemed a beneficial owner for Section 13(d) purposes but disclaims beneficial ownership and notes that, to its knowledge, no single fund’s interest exceeds 5% of the class or related dividends or sale proceeds.
Knowles Corp amended a Schedule 13G reporting beneficial ownership of 3,190,956 shares of Common Stock, representing 3.7% of the class. The filing attributes shared voting power of 3,010,124 and shared dispositive power of 3,190,956 to Neuberger Berman entities.
The disclosure describes fiduciary capacities and information‑barrier carveouts under Exchange Act Rule 13d-3; timing and additional transactions are not stated in the excerpt.
Knowles Corp Senior Vice President & COO Daniel J. Giesecke reported selling 20,201 shares of Knowles common stock. The open-market sales took place on May 27, 2026 in two transactions: 10,012 shares at $37.31 per share and 10,189 shares at $37.33 per share.
According to a footnote, the reported prices are weighted averages, with individual trades executed in a range from $37.00 to $38.19 per share. After these sales, Giesecke directly holds 175,855 shares of Knowles common stock. The filing states that the transactions were carried out under a pre-arranged Rule 10b5-1 trading plan adopted on February 25, 2026.
Knowles Corp SVP and Chief HR Officer Raymond D. Cabrera exercised non-qualified stock options for 25,210 shares of common stock at $16.77 per share. To cover the option exercise price and tax liability, 17,599 shares were withheld at $36.62 per share. After these transactions, he directly holds 151,722 shares of common stock.
Knowles Corp President & CEO Jeffrey Niew reported an exercise-and-sale transaction in company stock. On May 5, 2026, he sold 142,857 shares of Knowles common stock in an open-market sale at a weighted average price of $33.25 per share, with individual trade prices ranging from $33.01 to $33.55. On the same date, he exercised a non-qualified stock option to acquire 142,857 shares of common stock at an exercise price of $16.77 per share, fully using that option grant. After these transactions, he continues to hold 883,719 shares of Knowles common stock directly.
Morgan Stanley Smith Barney LLC Executive Financial Services submitted a Form 144 reporting a proposed sale of 142,857 shares of Common Stock on 05/05/2026 related to a Stock Option Exercise for cash. The filing names NYSE as the market. The notice also records a prior sale by Jeffrey S. Niew of 75,000 shares on 02/06/2026 for $1,987,502.50.
Issuer filed a Form 144 reporting restricted stock and recent open-market dispositions. The notice lists 10,740 shares of restricted common stock dated 04/30/2025. It also reports sales by Didier Hirsch of 10,373 shares on 05/01/2026 and 9,316 shares on 04/28/2026.
Didier Hirsch filed a Form 144 reporting the proposed sale of 9,316 shares of Common Stock on 04/28/2026, corresponding to proceeds of $286,010.52. The filing identifies the security as Common stock and records the transaction date as 04/28/2026.
Knowles Corp vice president and controller Bastarrica Air A. Jr. reported an open-market sale of Common Stock. On April 30, 2026, he sold 3,623 shares at $30.91 per share. After this transaction, he directly holds 47,569 shares of Knowles common stock.