Welcome to our dedicated page for Cable One SEC filings (Ticker: CABO), 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.
Cable One, Inc. filings document a broadband communications company with recurring disclosures on operating results, capital structure and governance. Form 8-K reports furnish quarterly and annual results, including revenue categories for residential data, residential video and business data, cash flow, adjusted EBITDA and capital expenditures.
Other filings cover material events such as credit-facility borrowings, repayment of convertible senior notes, executive transitions, compensatory arrangements and completed investment-related transactions involving Clearwave Fiber. Proxy materials disclose board matters, shareholder voting items, executive compensation and equity-award governance for the company’s common stock.
Bank of Montreal and its affiliates report a significant ownership position in Cable One, Inc. They disclose beneficial ownership of 471,442 shares of Cable One common stock, representing 8.36% of the outstanding class as of 12/31/2025.
Most of this stake is held through 1001271606 Ontario Inc. and Burgundy Asset Management, Inc., which together report 457,503 shares, or 8.11% of the class. The filing states the shares were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of Cable One.
Burgundy Asset Management Ltd. filed an amended Schedule 13G for Cable One, Inc., reporting beneficial ownership of 451,960 common shares, or about 8.02% of the class as of December 31, 2025. Burgundy has sole voting power over 325,051 shares and sole dispositive power over 451,960 shares, with no shared voting or dispositive power.
The firm states the position was acquired and is held in the ordinary course of business, not to change or influence control of Cable One. A signature note explains that as of November 1, 2025, Burgundy became a wholly owned subsidiary of Bank of Montreal, and beneficial ownership of these securities is now aggregated in Bank of Montreal’s filing.
Cable One Chief People Officer reports share acquisition through equity award vesting. On February 2, 2026, Chief People Officer Margaret Masoner Detz acquired 1,422 shares of Cable One common stock at $87.7 per share, increasing her beneficial ownership to 5,503 directly held shares.
The transaction reflects the vesting of non-derivative, performance-based restricted stock units that were granted in 2023, and is described as exempt from liability under Section 16(b) pursuant to Rule 16b-3(d). This filing documents an equity-based compensation event rather than an open-market purchase.
Cable One, Inc. officer Todd M. Koetje reported equity compensation activity. On February 2, 2026, he acquired 2,198 shares of Cable One common stock at $87.70 per share through vesting of performance‑based restricted stock units granted in 2023. On the same date, 156 shares were withheld at $87.70 per share to cover related tax obligations. After these transactions, Koetje directly beneficially owned 6,698 shares of Cable One common stock.
Cable One Chief Operating Officer Kenneth E. Johnson reported stock-based compensation activity. On February 2, 2026, he acquired 1,357 shares of common stock at $87.70 per share from vesting of 2023 performance-based restricted stock units and had 70 shares withheld to cover taxes. After these transactions, he directly owned 7,464 shares of Cable One common stock.
D. E. Shaw investment entities have disclosed a significant passive stake in Cable One, Inc. (CABO). An amended Schedule 13G filing reports that D. E. Shaw & Co., L.P. and related entities beneficially own 308,653 shares of Cable One common stock, representing 5.5% of the outstanding shares as of the event date of January 15, 2026.
The stake is held across several affiliated vehicles, including D. E. Shaw Galvanic Portfolios, L.L.C., D. E. Shaw Cogence Portfolios, L.L.C., D. E. Shaw Composite Portfolios, L.L.C., and accounts managed by D. E. Shaw Investment Management, L.L.C. The filing states that the securities were not acquired and are not held for the purpose of changing or influencing control of Cable One, indicating a passive investment posture.
Cable One, Inc. reported insider compensation-related transactions for an executive. Senior Vice President of Residential Services Anthony John Mokry had 250 shares of common stock withheld on 01/03/2026 at $104.16 per share to cover taxes due on previously granted restricted stock and restricted stock units that vested, leaving him with 1,624 directly owned shares.
On the same date, he received a grant of 4,992 phantom service-based restricted stock units (Phantom RSUs), which generally vest in substantially equal installments over three years, conditioned on continued employment. He also received 7,488 phantom performance-based restricted stock units (Phantom PSUs), which vest based on performance goals over a three-year period from January 1, 2026 to December 31, 2028, subject to committee certification and continued employment. Each phantom unit represents the economic value of one share of common stock and is settled solely in cash.
Cable One, Inc. reported an equity compensation and tax-withholding transaction for its officer serving as SVP, General Counsel and Secretary. On January 3, 2026, 161 shares of common stock were withheld at $104.16 per share to cover tax obligations tied to vesting of prior equity awards, leaving the officer with 1,883 directly owned shares.
On the same date, the officer received a grant of 4,992 phantom service-based restricted stock units (Phantom RSUs), which generally vest in substantially equal installments on each of the first three anniversaries of the grant date, contingent on continued employment. The officer also received 7,488 phantom performance-based restricted stock units (Phantom PSUs), which vest based on target achievement of performance goals over a three-year period from January 1, 2026 through December 31, 2028, subject to committee certification and continued employment. Each Phantom RSU and Phantom PSU represents the economic value of one share of common stock and is settled solely in cash.
Cable One, Inc. insider Todd M. Koetje, Interim Chief Executive Officer and Chief Financial Officer, reported equity-related transactions dated January 3, 2026. The filing shows 420 shares of common stock were withheld at a price of $104.16 per share to cover tax obligations tied to vesting of previously granted restricted stock and restricted stock units. After this withholding, Koetje beneficially owned 4,656 shares of Cable One common stock directly.
The report also discloses new compensation awards in the form of 7,680 Phantom RSUs and 11,520 Phantom PSUs. Each phantom unit represents the economic value of one share of common stock and is settled solely in cash. The Phantom RSUs generally vest in substantially equal installments on each of the first three anniversaries of the January 3, 2026 grant date, assuming continued employment. The Phantom PSUs vest based on achieving performance goals over a three-year period from January 1, 2026 through December 31, 2028, subject to certification by the Compensation and Talent Management Committee and continued employment through that certification date.
Cable One, Inc. Chief Operating Officer Kenneth E. Johnson reported equity-related transactions on January 3, 2026. The company withheld 417 shares of common stock at a price of $104.16 per share to cover tax obligations tied to previously granted restricted stock and restricted stock units that vested, leaving him with 6,177 directly owned shares of common stock.
On the same date, Johnson received 9,216 phantom service-based restricted stock units (Phantom RSUs) and 13,824 phantom performance-based restricted stock units (Phantom PSUs. Each unit represents the value of one share of common stock, settled only in cash. The Phantom RSUs generally vest in three equal annual installments, while the Phantom PSUs may vest based on performance goals over a three-year period ending December 31, 2028, subject to committee certification and his continued employment.