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SPECTRUM MANAGEMENT HOLDING COMPANY, LLC SEC Filings

Filed On Filing
21 Aug 2026 Form 4: Charter COMMUNICATIONS, Inc. /MO/, 10% owner and 4 others · Comscore Inc

Acquired 3,286,825 shares (Other Transaction) · Acquired 4,223,621 Series C Convertible Preferred Stock (Other Transaction)

06 Jul 2026 Form 4: Charter COMMUNICATIONS, Inc. /MO/, 10% owner and 4 others · Comscore Inc

Granted 16,461 Restricted Stock Units

18 Jun 2026 Form 4: Charter COMMUNICATIONS, Inc. /MO/, 10% owner and 4 others · Comscore Inc

Received 20,000 shares by exercise or conversion

31 Dec 2025 Form 4: Charter COMMUNICATIONS, Inc. /MO/, 10% owner and 4 others · Comscore Inc

Received 3,286,825 shares as a grant or award · Disposed of 31,928,301 Series B Convertible Preferred Stock (Disposition to Issuer) · Granted 4,223,621 Series C Convertible Preferred Stock

03 Jul 2025 Form 4: Charter COMMUNICATIONS, Inc. /MO/, 10% owner and 4 others · Comscore Inc

Granted 20,000 Restricted Stock Units

20 Jun 2025 Form 4: Charter COMMUNICATIONS, Inc. /MO/, 10% owner and 4 others · Comscore Inc

Received 21,478 shares by exercise or conversion

26 Jul 2024 Form 4: Charter COMMUNICATIONS, Inc. /MO/, 10% owner and 4 others · Comscore Inc

Granted 4,419,098 Series B Convertible Preferred Stock

02 Jul 2024 Form 4: Charter COMMUNICATIONS, Inc. /MO/, 10% owner and 4 others · Comscore Inc

Granted 21,478 Restricted Stock Units

05 Apr 2024 Form 4: Charter COMMUNICATIONS, Inc. /MO/, 10% owner and 4 others · Comscore Inc

Granted 2,685 Restricted Stock Units

07 Jul 2023 Form 4: Charter COMMUNICATIONS, Inc. /MO/, 10% owner and 4 others · Comscore Inc

Granted 336,632 Restricted Stock Units

16 Jun 2023 Form 4: Charter COMMUNICATIONS, Inc. /MO/, 10% owner and 4 others · Comscore Inc

Received 200,000 shares by exercise or conversion

08 Jul 2022 Form 4: Charter COMMUNICATIONS, Inc. /MO/, 10% owner and 4 others · Comscore Inc

Granted 200,000 Restricted Stock Units

17 Jun 2022 Form 4: Charter COMMUNICATIONS, Inc. /MO/, 10% owner and 4 others · Comscore Inc

Received 100,200 shares by exercise or conversion

14 Jun 2021 Form 4: Charter COMMUNICATIONS, Inc. /MO/, 10% owner and 4 others · Comscore Inc

Received 44,046 shares by exercise or conversion

07 Apr 2021 Form 4: Charter COMMUNICATIONS, Inc. /MO/, 10% owner and 4 others · Comscore Inc

Granted 17,077 Restricted Stock Units

12 Mar 2021 Form 4: Charter COMMUNICATIONS, Inc. /MO/, 10% owner and 2 others · Comscore Inc

Granted 53,938 Restricted Stock Units

12 Mar 2021 Form 3: Charter COMMUNICATIONS, Inc. /MO/, 10% owner and 2 others · Comscore Inc
25 Jul 2016 15-12B
15 Jul 2016 FORM 25
05 Jul 2016 8-K: Other Events

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