SCHEDULE 13G Filed 2026-08-20 Event — SEC 0001104659-26-099312 →

DUNCAN RONALD A → Charter Communications, Inc. CHTRP

Stake: — Shares: — Class: Series A Cumulative Redeemable Preferred Stock, par value $0.001 per share

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

17 13D/G filings on this issuer

16 other filings besides this one

Filer Track Record

5 filings by this filer

4 other filings in the data moat

Short Interest

—

Not in latest FINRA snapshot

Other 13D/G Filings on Charter Communications, Inc.

Filed	Form	Filer	Stake	Shares
2026-08-21	SCHEDULE 13D/A	Liberty Broadband Corp	—	0	view →
2026-08-20	SCHEDULE 13D/A	ADVANCE/NEWHOUSE PARTNERSHIP	14.35%	18,647,794	view →
2026-07-27	SCHEDULE 13G	BlackRock, Inc.	—	—	view →
2025-05-20	SCHEDULE	ADVANCE/NEWHOUSE PARTNERSHIP	12.20%	19,139,641	view →
2025-05-19	SCHEDULE	Liberty Broadband Corp	31.30%	43,900,886	view →
2023-10-05	SC	ADVANCE/NEWHOUSE PARTNERSHIP	—	—	view →
2022-03-03	SC	ADVANCE/NEWHOUSE PARTNERSHIP	—	—	view →
2022-03-01	SC	ADVANCE/NEWHOUSE PARTNERSHIP	—	—	view →
2022-02-23	SC	ADVANCE/NEWHOUSE PARTNERSHIP	—	—	view →
2022-02-15	SC	ADVANCE/NEWHOUSE PARTNERSHIP	—	—	view →
2022-02-08	SC	ADVANCE/NEWHOUSE PARTNERSHIP	—	—	view →
2021-03-30	SC	ADVANCE/NEWHOUSE PARTNERSHIP	—	—	view →
2021-03-02	SC	ADVANCE/NEWHOUSE PARTNERSHIP	—	—	view →
2020-03-04	SC	Liberty Broadband Corp	—	—	view →
2020-02-05	SC	ADVANCE/NEWHOUSE PARTNERSHIP	—	—	view →
2019-07-31	SC	ADVANCE/NEWHOUSE PARTNERSHIP	—	—	view →

Other Filings by DUNCAN RONALD A

Filed	Form	Issuer	Stake	Shares
2026-08-20	SCHEDULE 13D/A	Liberty Broadband Corporation	—	0	view →
2020-12-22	SC	GRIZZLY MERGER SUB 1, LLC	—	—	view →
2018-03-13	SC	GCI LIBERTY, INC.	—	—	view →
2018-03-13	SC	GCI LIBERTY, INC.	—	—	view →

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