OSTERMANN DIETMAR
SEC Form 4 insider trading activity
OSTERMANN DIETMAR has filed 9 SEC Form 4 filings (23 transaction rows) across 1 company, with disclosures dating back to 2025. 9 of those filings fall inside the rolling window. Most recent filing: Sep 18, 2026.
On the most recent filing, OSTERMANN DIETMAR is listed as Director at Xos, Inc. Inside the rolling window, OSTERMANN DIETMAR reported no open-market purchases and 15 open-market sales totaling $189K in XOS. The largest disclosed transaction in the window is a sale of 10,000 XOS shares on Aug 20, 2026, worth $35K.
Companies traded
Other insiders at XOS
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$189K
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| XOS | Director | Sale | 262 | $665 | Sep 18 | SEC ↗ | |
| XOS | Director | Sale | 4,738 | $12K | Sep 18 | SEC ↗ | |
| XOS | Director | Sale | 10,000 | $30K | Sep 4 | SEC ↗ | |
| XOS | Director | Sale | 5,000 | $15K | Sep 4 | SEC ↗ | |
| XOS | Director | Sale | 4,159 | $10K | Aug 27 | SEC ↗ | |
| XOS | Director | Sale | 4,158 | $9K | Aug 27 | SEC ↗ | |
| XOS | Director | Sale | 4,159 | $9K | Aug 27 | SEC ↗ | |
| XOS | Director | Sale | 4,158 | $10K | Aug 27 | SEC ↗ | |
| XOS | Director | Sale | 4,159 | $10K | Aug 27 | SEC ↗ | |
| XOS | Director | Sale | 4,158 | $10K | Aug 27 | SEC ↗ | |
| XOS | Director | Sale | 10,000 | $35K | Aug 24 | SEC ↗ | |
| XOS | Director | Sale | 3,351 | $15K | Jun 10 | SEC ↗ | |
| XOS | Director | Sale | 3,826 | $8K | Dec 22 | SEC ↗ | |
| XOS | Director | Sale | 3,826 | $8K | Dec 22 | SEC ↗ | |
| XOS | Director | Sale | 3,826 | $8K | Dec 22 | SEC ↗ |
Frequently asked questions
How many SEC Form 4 filings has OSTERMANN DIETMAR made?
OSTERMANN DIETMAR has filed 9 SEC Form 4 filings (23 transaction rows) across 1 company since 2025.
Which companies does OSTERMANN DIETMAR trade?
OSTERMANN DIETMAR has filed SEC Form 4 disclosures for 1 company, including XOS.
When was OSTERMANN DIETMAR's most recent SEC Form 4 filing?
OSTERMANN DIETMAR's most recent SEC Form 4 filing on Tracefour is dated Sep 18, 2026.
What is OSTERMANN DIETMAR's total buy and sell value in the current window?
Inside the rolling retention window, OSTERMANN DIETMAR bought $0 and sold $189K based on SEC Form 4 filings.
What was OSTERMANN DIETMAR's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 10,000 XOS shares on 2026-08-20, worth $35K, per SEC Form 4 filings.