Summary
Updated Aug 31, 2026
Mark A. Flaherty is Director of GOLDMAN SACHS GROUP INC (GS). 6 SEC Form 4 filings on record going back to 2024, most recently on 17 July 2026. Most recent open-market trade: bought $3K of GS on 9 October 2024. Lifetime open-market purchases: $30K. Historical track record: 4/5 stars across 11 tracked purchases.
Recent Transactions
11Every recent SEC Form 4 transaction Mark A. Flaherty 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 | ★★★★☆ (4/5) |
| Total purchases tracked | 11 |
| Purchases with forward-return data | 11 |
| 30-day win rate | 73% |
| 90-day win rate | 55% |
| Avg 5-day return | -0.15% |
| Avg 30-day return | +4.29% |
| Avg 90-day return | +4.79% |
| Best 30-day return | +16.35% |
Trading Pattern
InsiderAlpha's records for Mark A. Flaherty go back to 2024: 6 primary Form 4 filings, an average of 2.0 per year. The typical open-market purchase is $3K (11 buys totaling $30K). The largest single buy on record is $3K of GS in 2024. 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 Mark A. Flaherty 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.
- David A. Viniar - $62.53M of GS open-market activity in the last 12 months
- Kathryn H. Ruemmler - $22.95M of GS open-market activity in the last 12 months
- Denis P. Coleman - $17.62M of GS open-market activity in the last 12 months
- John F.W. Rogers - $15.21M of GS open-market activity in the last 12 months
- Sheara J. Fredman - $14.06M of GS open-market activity in the last 12 months
- Carey Halio - $4.26M of GS 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
Who is Mark A. Flaherty?
Mark A. Flaherty is a corporate insider, tracked as Director of GOLDMAN SACHS GROUP INC (GS). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Mark A. Flaherty submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Mark A. Flaherty been buying or selling stock?
Recorded transactions: 11 open-market purchases ($30K) and 0 open-market sales across all tracked filings.
How accurate is Mark A. Flaherty's historical track record?
Across 11 tracked purchases, Mark A. Flaherty averaged +4.3% avg 30-day return with a 73% 30-day win rate. InsiderAlpha rates the track record at 4/5 stars.
Where can I see all of Mark A. Flaherty'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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