Mark Streams - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Mark Streams has filed 5 SEC Form 4 filings across 1 company in the last 90 days - selling. Lifetime open-market sales: $2.76M.
Profile
Mark Streams serves as Director of StubHub Holdings, Inc. (STUB). Streams has reported 17 insider filings with the SEC since 2025. The most recent filing was in July 2026.
| Role | Executive Vice Chairman & Chief Legal Officer, Director |
|---|---|
| Notability | 26/100 |
Board memberships
- StubHub Holdings, Inc.
Reported roles
- Director
Trading Pattern
InsiderAlpha's records for Mark Streams go back to 2025: 12 primary Form 4 filings, an average of 6.0 per year. 7 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Career & Filing History
Every role Mark Streams 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.
- Director at StubHub Holdings, Inc. (STUB) - 3 filings, 2026
- Insider at StubHub Holdings, Inc. (STUB) - 9 filings, 2025 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-10 | STUB | StubHub Holdings, Inc. | S - Open-market sale [10b5-1] | 400 | $14.01 | $6K |
| 2026-07-07 | STUB | StubHub Holdings, Inc. | S - Open-market sale [10b5-1] | 28.5K | $13.02 | $371K |
| 2026-07-07 | STUB | StubHub Holdings, Inc. | A - Grant or award [10b5-1] | 155.5K | $0.00 | |
| 2026-07-07 | STUB | StubHub Holdings, Inc. | S - Open-market sale [10b5-1] | 3.0K | $13.00 | $39K |
| 2026-07-01 | STUB | StubHub Holdings, Inc. | S - Open-market sale [10b5-1] | 18.2K | $13.03 | $237K |
| 2026-07-01 | STUB | StubHub Holdings, Inc. | S - Open-market sale [10b5-1] | 300 | $13.00 | $4K |
| 2026-05-28 | STUB | StubHub Holdings, Inc. | A - Grant or award | 341.6K | $0.00 | |
| 2026-05-15 | STUB | StubHub Holdings, Inc. | S - Open-market sale [10b5-1] | 232.6K | $9.04 | $2.10M |
| 2026-03-12 | STUB | StubHub Holdings, Inc. | F - Tax withholding / forfeiture | 2.3K | $7.93 | $18K |
| 2026-02-12 | STUB | StubHub Holdings, Inc. | F - Tax withholding / forfeiture | 2.3K | $10.42 | $24K |
| 2026-01-15 | STUB | StubHub Holdings, Inc. | F - Tax withholding / forfeiture | 2.3K | $13.58 | $32K |
| 2025-12-18 | STUB | StubHub Holdings, Inc. | F - Tax withholding / forfeiture | 2.3K | $13.27 | $31K |
| 2025-11-20 | STUB | StubHub Holdings, Inc. | F - Tax withholding / forfeiture | 2.3K | $12.06 | $28K |
| 2025-10-23 | STUB | StubHub Holdings, Inc. | F - Tax withholding / forfeiture | 2.3K | $19.04 | $44K |
| 2025-09-16 | STUB | StubHub Holdings, Inc. | A - Grant or award | 42.6K | $0.00 | |
| 2025-09-16 | STUB | StubHub Holdings, Inc. | F - Tax withholding / forfeiture | 266.7K | $23.50 | $6.27M |
Companies - Last 90 Days
- StubHub Holdings, Inc. (STUB) - 5 filings, last 2026-07-10
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Mark Streams has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- Nayaab Islam - $1.62M of STUB open-market activity in the last 12 months
- Scott Michael Fitzgerald - $249K of STUB open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Frank Martell
- Martin Product Sales LLC
- Marcelo Eduardo Martins
- Neil Mehta
- Keith A. Meister
- MetLife Investment Management, LLC
- John Micek
- Andrew J. Mills
Frequently Asked Questions
Who is Mark Streams?
Mark Streams serves as Director of StubHub Holdings, Inc. (STUB). Streams has reported 17 insider filings with the SEC since 2025. The most recent filing was in July 2026.…
How many SEC Form 4 filings has Mark Streams submitted recently?
5 primary Form 4 filings in the last 90 days, covering 1 company.
Has Mark Streams been buying or selling stock?
Recorded transactions: 0 open-market purchases and 6 open-market sales ($2.76M) across all tracked filings.
Where can I see all of Mark Streams'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.
Learn More
Open the live Mark Streams profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.