Summary
Updated Aug 31, 2026
GAMCO INVESTORS, INC. ET AL is 10% Owner of Atlanta Braves Holdings, Inc. (BATRA). 17 SEC Form 4 filings on record going back to 2024, most recently on 3 March 2026. Most recent open-market trade: sold $24K of BATRA on 3 March 2026. Lifetime open-market purchases: $20K. Lifetime open-market sales: $307K. Historical track record: 1/5 stars across 3 tracked purchases.
Recent Transactions
20Every recent SEC Form 4 transaction GAMCO INVESTORS, INC. ET AL has reported, most recent first.
Track Record
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 | ★☆☆☆☆ (1/5) |
| Total purchases tracked | 3 |
| Purchases with forward-return data | 3 |
| 30-day win rate | 33% |
| 90-day win rate | 67% |
| Avg 5-day return | +0.02% |
| Avg 30-day return | +0.29% |
| Avg 90-day return | +4.58% |
| Best 30-day return | +8.58% |
Trading Pattern
InsiderAlpha's records for GAMCO INVESTORS, INC. ET AL go back to 2024: 17 primary Form 4 filings, an average of 5.7 per year. The typical open-market purchase is $7K (3 buys totaling $20K). The largest single buy on record is $12K of BATRA in 2024. Sales side: 17 recorded sales totaling $307K, so the filing history runs sell-heavy by dollar value. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies GAMCO INVESTORS, INC. ET AL 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.
- John C. Malone - $7.82M of BATRA open-market activity in the last 12 months
- Jill L. Robinson - $6.53M of BATRA open-market activity in the last 12 months
- James T. Gottwald - $3.55M of TG open-market activity in the last 12 months
- William M. Gottwald - $3.55M of TG open-market activity in the last 12 months
- John D. Gottwald - $3.55M of TG open-market activity in the last 12 months
- Richard P. Messina - $199K of STRT open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
What is GAMCO INVESTORS, INC. ET AL?
GAMCO INVESTORS, INC. ET AL is a corporate entity, tracked as 10% Owner of Atlanta Braves Holdings, Inc. (BATRA). InsiderAlpha holds 17 primary Form 4 filings for it, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did GAMCO INVESTORS, INC. ET AL last file a Form 4?
The most recent primary Form 4 on record is dated 3 March 2026, one of 17 filings going back to 2024.
Has GAMCO INVESTORS, INC. ET AL been buying or selling stock?
Recorded transactions: 3 open-market purchases ($20K) and 17 open-market sales ($307K) across all tracked filings.
How accurate is GAMCO INVESTORS, INC. ET AL's historical track record?
Across 3 tracked purchases, GAMCO INVESTORS, INC. ET AL averaged +0.3% avg 30-day return with a 33% 30-day win rate. InsiderAlpha rates the track record at 1/5 stars.
Where can I see all of GAMCO INVESTORS, INC. ET AL's SEC filings?
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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