ECP Fiber Holdings GP, LLC is a corporate entity that reports beneficial ownership of shares in SHENANDOAH TELECOMMUNICATIONS CO (SHEN) under U.S. securities law. It has submitted 23 SEC insider filings since 2025, most recently in September 2025.
Every role ECP Fiber Holdings GP, LLC has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN)23 filingsLatest filing:
ECP Fiber Holdings GP, LLC is 10% Owner of SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN). 23 SEC Form 4 filings on record, most recently on 12 September 2025. Most recent open-market trade: bought $24K of SHEN on 12 September 2025. Lifetime open-market purchases: $10.25M. Historical track record: 2/5 stars across 48 tracked purchases.
Every recent SEC Form 4 transaction ECP Fiber Holdings GP, LLC has reported, most recent first.
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realized performance after each tracked open-market purchase.
| Metric | Value |
|---|---|
| InsiderAlpha rating | ★★☆☆☆ (2/5) |
| Total purchases tracked | 48 |
| Purchases with forward-return data | 48 |
| 30-day win rate | 35% |
| 90-day win rate | 0% |
| Avg 5-day return | -0.59% |
| Avg 30-day return | -3.76% |
| Avg 90-day return | -13.58% |
| Best 30-day return |
InsiderAlpha's records for ECP Fiber Holdings GP, LLC go back to 2025: 23 primary Form 4 filings, an average of 11.5 per year. The typical open-market purchase is $213K (48 buys totaling $10.25M). The largest single buy on record is $439K of SHEN in 2025. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
Insiders who reported open-market trades in the last 12 months at the companies ECP Fiber Holdings GP, LLC files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
ECP Fiber Holdings GP, LLC is a corporate entity, tracked as 10% Owner of SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN). InsiderAlpha holds 23 primary Form 4 filings for it, the earliest from 2025, updated as new SEC EDGAR filings are processed.
The most recent primary Form 4 on record is dated 12 September 2025, one of 23 filings going back to 2025.
Recorded transactions: 48 open-market purchases ($10.25M) and 0 open-market sales across all tracked filings.
Across 48 tracked purchases, ECP Fiber Holdings GP, LLC averaged -3.8% avg 30-day return with a 35% 30-day win rate. InsiderAlpha rates the track record at 2/5 stars.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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$SHEN SHENANDOAH TELECOMMUNICATIONS CO/VA/3.0K shares @ $13.45$40K
| +13.32% |