Douglas G. Boessen - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Douglas G. Boessen has filed 1 SEC Form 4 filing across 1 company in the last 90 days - selling. Lifetime open-market sales: $2.93M.
Profile
Douglas G. Boessen is a corporate insider at GARMIN LTD (GRMN). Boessen has reported 9 insider filings with the SEC since 2024. The most recent filing was in June 2026.
| Role | CFO and Treasurer |
|---|---|
| Notability | 20/100 |
Board memberships
- GARMIN LTD
Awards & honors
- CFO at Garmin Ltd
- Oversaw financial operations
- Involved in strategic financial planning
Trading Pattern
InsiderAlpha's records for Douglas G. Boessen go back to 2024: 8 primary Form 4 filings, an average of 2.7 per year. 22 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 Douglas G. Boessen 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.
- CFO and Treasurer at GARMIN LTD (GRMN) - 8 filings, 2024 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-09 | GRMN | GARMIN LTD | S - Open-market sale [10b5-1] | 85 | $238.91 | $20K |
| 2026-06-09 | GRMN | GARMIN LTD | S - Open-market sale [10b5-1] | 1.3K | $238.28 | $307K |
| 2026-06-09 | GRMN | GARMIN LTD | S - Open-market sale [10b5-1] | 355 | $237.31 | $84K |
| 2026-06-09 | GRMN | GARMIN LTD | S - Open-market sale [10b5-1] | 272 | $236.59 | $64K |
| 2026-02-27 | GRMN | GARMIN LTD | S - Open-market sale [10b5-1] | 155 | $253.26 | $39K |
| 2026-02-27 | GRMN | GARMIN LTD | S - Open-market sale [10b5-1] | 1.9K | $252.01 | $484K |
| 2026-02-27 | GRMN | GARMIN LTD | S - Open-market sale [10b5-1] | 1.4K | $251.01 | $354K |
| 2026-02-27 | GRMN | GARMIN LTD | F - Tax withholding / forfeiture [10b5-1] | 3.7K | $251.99 | $940K |
| 2026-02-20 | GRMN | GARMIN LTD | A - Grant or award | 6.8K | $0.00 | |
| 2026-02-17 | GRMN | GARMIN LTD | S - Open-market sale [10b5-1] | 479 | $215.41 | $103K |
| 2025-12-17 | GRMN | GARMIN LTD | S - Open-market sale [10b5-1] | 508 | $206.84 | $105K |
| 2025-12-17 | GRMN | GARMIN LTD | S - Open-market sale [10b5-1] | 2.0K | $206.11 | $407K |
| 2025-12-17 | GRMN | GARMIN LTD | A - Grant or award [10b5-1] | 4.2K | $0.00 | |
| 2025-12-17 | GRMN | GARMIN LTD | F - Tax withholding / forfeiture [10b5-1] | 2.0K | $207.23 | $411K |
| 2025-07-03 | GRMN | GARMIN LTD | S - Open-market sale | 1.9K | $215.00 | $400K |
| 2024-12-23 | GRMN | GARMIN LTD | S - Open-market sale [10b5-1] | 535 | $209.25 | $112K |
| 2024-12-23 | GRMN | GARMIN LTD | S - Open-market sale [10b5-1] | 614 | $208.74 | $128K |
| 2024-12-23 | GRMN | GARMIN LTD | S - Open-market sale [10b5-1] | 314 | $206.85 | $65K |
| 2024-12-23 | GRMN | GARMIN LTD | S - Open-market sale [10b5-1] | 298 | $205.40 | $61K |
| 2024-12-17 | GRMN | GARMIN LTD | S - Open-market sale [10b5-1] | 131 | $218.72 | $29K |
Companies - Last 90 Days
- GARMIN LTD (GRMN) - 1 filing, last 2026-06-09
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Douglas G. Boessen 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.
- Clifton A. Pemble - $8.37M of GRMN open-market activity in the last 12 months
- Patrick Desbois - $2.46M of GRMN open-market activity in the last 12 months
- Cheng-Wei Wang - $2.37M of GRMN open-market activity in the last 12 months
- Matthew Munn - $1.32M of GRMN open-market activity in the last 12 months
- Susan Lyman - $956K of GRMN open-market activity in the last 12 months
- Edward J. Link - $706K of GRMN open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Robert W. Duggan
- John Earl
- EcoR1 Capital, LLC
- ECP ControlCo, LLC
- ECP Fiber Holdings GP, LLC
- Electrum Strategic Resources L.P.
- Ariel Emanuel
- Retirement System Of The State Of Hawaii Employees'
Frequently Asked Questions
Who is Douglas G. Boessen?
Douglas G. Boessen is a corporate insider at GARMIN LTD (GRMN). Boessen has reported 9 insider filings with the SEC since 2024. The most recent filing was in June 2026.…
How many SEC Form 4 filings has Douglas G. Boessen submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Douglas G. Boessen been buying or selling stock?
Recorded transactions: 0 open-market purchases and 18 open-market sales ($2.93M) across all tracked filings.
Where can I see all of Douglas G. Boessen'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 Douglas G. Boessen profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.