Bastarrica Air A. Jr. 4

What Happened
Air A. Jr. Bastarrica, Vice President and Controller of Knowles Corporation (KN), exercised stock options on Feb 9, 2026 and completed related share sales/withholdings the same day. He exercised 11,924 options at $21.14 (cost $252,073) and 8,143 options at $20.60 (cost $167,746) — a total exercise cost of about $419,819 to acquire 20,067 shares. To cover the exercise price and tax withholding, 10,304 and 6,958 shares were withheld (values of $280,681 and $189,536, respectively). Separately, Bastarrica sold 2,433 shares at $26.82 ($65,253) and 9,567 shares at $26.75 ($255,917) in open-market transactions. The value of shares sold or withheld on the reporting date sums to roughly $791,000 in immediate cash proceeds plus ~$470,000 withheld for taxes/exercise.

Key Details

• Transaction date: 2026-02-09; Form 4 filed 2026-02-10 (timely filing).
• Exercises: 11,924 @ $21.14; 8,143 @ $20.60 (total acquired = 20,067 shares; total exercise cost ≈ $419,819).
• Withholding to pay exercise price/taxes: 10,304 shares (value ≈ $280,681) and 6,958 shares (value ≈ $189,536). Footnote F1: these disposals represent shares withheld to pay the option exercise price and tax liability.
• Open-market sales: 2,433 shares @ $26.82 (≈ $65,253) and 9,567 shares @ $26.75 (≈ $255,917).
• Plan / vesting: Options were granted under the Knowles Corporation 2018 Equity and Cash Incentive Plan; such awards vest ratably over three years beginning on the first anniversary of the award (Footnote F2).
• Shares owned after transaction: Not disclosed in the provided extract.

Context

• This is an option exercise combined with share withholding and open-market sales — a common way for insiders to exercise options while covering the exercise cost and tax obligations (often described as a cashless exercise or share-withholding to satisfy taxes).
• Transaction codes: M = exercise/conversion of derivative (options), F = shares withheld to pay exercise price/tax, S = open-market sale.
• These filings are factual disclosures of insider activity; they do not, by themselves, indicate insider confidence or a recommendation to buy/sell shares.