Updated Jul 16, 2026
Kosoff Jonathon David has filed 2 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $37K.

Kosoff Jonathon David is listed in SEC filings in connection with Boot Barn Holdings, Inc., indicating an association as a corporate insider (such as an officer, director, or beneficial owner) as of the most recent filing date of 2026-05-21. The provided SEC context does not disclose a specific title or duties. Variations on the name (e.g., John/Jonathon Kosoff) may appear in records. Based on current information, there is no public indication of notable achievements beyond insider activity with Boot Barn Holdings in the documented filings.
| Role | Insider |
|---|---|
| Notability | 20/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-26 | BOOT | Boot Barn Holdings, Inc. | S — Open-market sale | 230 | $160.31 | $37K |
| 2026-05-21 | BOOT | Boot Barn Holdings, Inc. | A — Grant or award | 3.0K | $0.00 | |
| 2026-05-21 | BOOT | Boot Barn Holdings, Inc. | F — Tax withholding / forfeiture | 268 | $141.09 | $38K |
Kosoff Jonathon David is listed in SEC filings in connection with Boot Barn Holdings, Inc., indicating an association as a corporate insider (such as an officer, director, or beneficial owner) as of the most recent filing date of 2026-05-21. The provided SEC context does not disclose a specific title or duties. Variations on the name (e.g., John/Jonathon Kosoff) may appear in r…
2 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 1 open-market sales ($37K) across all tracked 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.
Open the live Kosoff Jonathon David profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.