DUNN JEFFREY W
SEC Form 4 insider trading activity
DUNN JEFFREY W has filed 9 SEC Form 4 filings (19 transaction rows) across 1 company, with disclosures dating back to 2025. 9 of those filings fall inside the rolling window. Most recent filing: Sep 3, 2026.
On the most recent filing, DUNN JEFFREY W is listed as Director at SI-BONE, Inc. Inside the rolling window, DUNN JEFFREY W reported no open-market purchases and 9 open-market sales totaling $3.1M in SIBN. The largest disclosed transaction in the window is a sale of 80,000 SIBN shares on Nov 11, 2025, worth $1.5M.
Companies traded
Other insiders at SIBN
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$3.1M
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| SIBN | Director | Sale | 20,000 | $378K | Sep 3 | SEC ↗ | |
| SIBN | Director | Sale | 20,000 | $369K | Aug 5 | SEC ↗ | |
| SIBN | Director | Sale | 3,575 | $55K | Jun 8 | SEC ↗ | |
| SIBN | Director | Sale | 337 | $4K | May 5 | SEC ↗ | |
| SIBN | Director | Sale | 337 | $6K | Feb 4 | SEC ↗ | |
| SIBN | Director | Sale | 20,000 | $426K | Jan 12 | SEC ↗ | |
| SIBN | Director | Sale | 20,000 | $387K | Dec 11 | SEC ↗ | |
| SIBN | Director | Sale | 80,000 | $1.5M | Nov 13 | SEC ↗ | |
| SIBN | Director | Sale | 293 | $4K | Nov 4 | SEC ↗ |
Frequently asked questions
How many SEC Form 4 filings has DUNN JEFFREY W made?
DUNN JEFFREY W has filed 9 SEC Form 4 filings (19 transaction rows) across 1 company since 2025.
Which companies does DUNN JEFFREY W trade?
DUNN JEFFREY W has filed SEC Form 4 disclosures for 1 company, including SIBN.
When was DUNN JEFFREY W's most recent SEC Form 4 filing?
DUNN JEFFREY W's most recent SEC Form 4 filing on Tracefour is dated Sep 3, 2026.
What is DUNN JEFFREY W's total buy and sell value in the current window?
Inside the rolling retention window, DUNN JEFFREY W bought $0 and sold $3.1M based on SEC Form 4 filings.
What was DUNN JEFFREY W's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 80,000 SIBN shares on 2025-11-11, worth $1.5M, per SEC Form 4 filings.