Summary
Updated Aug 31, 2026
William R. McDermott is Chairman & CEO, Director of ServiceNow, Inc. (NOW). 33 SEC Form 4 filings on record going back to 2024, most recently on 19 August 2026. Most recent open-market trade: bought $530 of NOW on 2 March 2026. Lifetime open-market purchases: $8.28M. Lifetime open-market sales: $31.28M. Historical track record: 1/5 stars across 3 tracked purchases.
Recent Transactions
20Every recent SEC Form 4 transaction William R. McDermott 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 | 0% |
| 90-day win rate | 67% |
| Avg 5-day return | -5.04% |
| Avg 30-day return | -17.29% |
| Avg 90-day return | -19.54% |
| Best 30-day return | -2.81% |
Trading Pattern
InsiderAlpha's records for William R. McDermott go back to 2024: 33 primary Form 4 filings, an average of 11.0 per year. The typical open-market purchase is $2.76M (3 buys totaling $8.28M). The largest single buy on record is $5.28M of FIG in 2025. Sales side: 23 recorded sales totaling $31.28M, so the filing history runs sell-heavy by dollar value. 2 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies William R. McDermott 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.
- Eric S. Yuan - $66.43M of ZM open-market activity in the last 12 months
- Michelle Chang - $4.28M of ZM open-market activity in the last 12 months
- Santiago Subotovsky - $3.92M of ZM open-market activity in the last 12 months
- Aparna Bawa - $2.96M of ZM open-market activity in the last 12 months
- Velchamy Sankarlingam - $2.41M of ZM open-market activity in the last 12 months
- Paul Fipps - $1.76M of NOW 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 William R. McDermott?
William R. McDermott is a corporate insider, tracked as Chairman & CEO, Director of ServiceNow, Inc. (NOW). InsiderAlpha holds 33 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 William R. McDermott submitted recently?
6 primary Form 4 filings in the last 90 days, covering 4 companies.
Has William R. McDermott been buying or selling stock?
Recorded transactions: 3 open-market purchases ($8.28M) and 23 open-market sales ($31.28M) across all tracked filings.
How accurate is William R. McDermott's historical track record?
Across 3 tracked purchases, William R. McDermott averaged -17.3% avg 30-day return with a 0% 30-day win rate. InsiderAlpha rates the track record at 1/5 stars.
Where can I see all of William R. McDermott'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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