David James Lennon - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
David James Lennon has filed 1 SEC Form 4 filing across 1 company in the last 90 days - selling. Lifetime open-market sales: $1.08M.
Profile
David James Lennon is a corporate insider at Whitehawk Therapeutics, Inc. (WHWK). Lennon has reported 6 insider filings with the SEC since 2024. The most recent filing was in May 2026.
| Role | CHIEF EXECUTIVE OFFICER |
|---|---|
| Notability | 20/100 |
Board memberships
- Whitehawk Therapeutics, Inc.
Trading Pattern
InsiderAlpha's records for David James Lennon go back to 2024: 6 primary Form 4 filings, an average of 2.0 per year. 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.
Career & Filing History
Every role David James Lennon 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.
- CHIEF EXECUTIVE OFFICER at Whitehawk Therapeutics, Inc. (WHWK) - 6 filings, 2024 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-18 | WHWK | Whitehawk Therapeutics, Inc. | A - Grant or award | 51.0K | $3.92 | $200K |
| 2026-04-10 | WHWK | Whitehawk Therapeutics, Inc. | S - Open-market sale | 14.5K | $3.38 | $49K |
| 2026-04-09 | WHWK | Whitehawk Therapeutics, Inc. | S - Open-market sale | 63.9K | $3.40 | $217K |
| 2026-04-09 | WHWK | Whitehawk Therapeutics, Inc. | S - Open-market sale | 94.1K | $3.43 | $323K |
| 2026-04-09 | WHWK | Whitehawk Therapeutics, Inc. | S - Open-market sale | 102.4K | $3.51 | $359K |
| 2026-04-03 | WHWK | Whitehawk Therapeutics, Inc. | S - Open-market sale | 26.9K | $3.48 | $93K |
| 2026-04-03 | WHWK | Whitehawk Therapeutics, Inc. | M - Option exercise | 775.8K | - | |
| 2026-03-10 | WHWK | Whitehawk Therapeutics, Inc. | S - Open-market sale | 5.1K | $3.31 | $17K |
| 2026-03-10 | WHWK | Whitehawk Therapeutics, Inc. | M - Option exercise | 16.2K | - | |
| 2024-10-03 | WHWK | Whitehawk Therapeutics, Inc. | S - Open-market sale | 9.7K | $1.94 | $19K |
| 2024-10-03 | WHWK | Whitehawk Therapeutics, Inc. | M - Option exercise | 32.6K | $0.00 |
Companies - Last 90 Days
- Whitehawk Therapeutics, Inc. (WHWK) - 1 filing, last 2026-05-18
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies David James Lennon 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.
- Scott M. Giacobello - $891K of WHWK open-market activity in the last 12 months
- Bryan Ball - $635K of WHWK open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Charles A. Davis
- Deep Track Biotechnology Master Fund, Ltd.
- Robert E. Dixon
- Romeo R. Dizon
- Kevin Michael Donahue
- DONEGAL MUTUAL INSURANCE CO
- DORCHESTER MINERALS OPERATING LP
- Robert W. Duggan
Frequently Asked Questions
Who is David James Lennon?
David James Lennon is a corporate insider at Whitehawk Therapeutics, Inc. (WHWK). Lennon has reported 6 insider filings with the SEC since 2024. The most recent filing was in May 2026.…
How many SEC Form 4 filings has David James Lennon submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has David James Lennon been buying or selling stock?
Recorded transactions: 0 open-market purchases and 7 open-market sales ($1.08M) across all tracked filings.
Where can I see all of David James Lennon'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 David James Lennon profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.