| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Director
2 companies
Dietmar Ostermann is Director at XOSWW, with reported holdings spanning 2 companies. Dietmar Ostermann's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $600K at current prices.
Our model assigns Dietmar Ostermann a middling insider score of 60/100, based on 4 past trades. On a 3-month view, all 4 of the rated trades came out ahead, averaging +10.5% over three months.
Dietmar Ostermann's largest disclosed position is in XOSWW as Director, worth about $367K. The XOSWW filings lean toward selling, a net 10,000 shares.
Dietmar Ostermann has 9 Form 4 filings on record from July 2024 to September 2026, across 2 companies: Director at Xos (XOS), 2024–2026; Director at Xos (XOSWW), 2026.
The 18 reported transactions were 9 open-market sales, 6 dispositions back to the company and 3 stock awards.
Counted by filing, the open-market trades come to no purchases and 5 sales worth about $132K.
The largest open-market sale was 15,000 shares of XOS at an average $3.01 on September 4, 2026, about $45K.
1 of the 5 sales since April 2023 was made under a Rule 10b5-1 trading plan; the other 4 were not.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 17, 2026 | XOS Xos, Inc. | Director | Sell | 5,000 | $2.55 | $12,747.85 | -5.5% | - | - | |
| Sep 4, 2026 | XOS Xos, Inc. | Director | Sell | 15,000 | $3.01 | $45,220.00 | -14.3% | - | - | |
| Aug 20, 2026 | XOSWW Xos, Inc. | Director | Sell | 10,000 | $3.49 | $34,913.00 | -8.7% | - | - | |
| Jun 8, 2026 | XOS Xos, Inc. | Director | Sell | 3,351 | $4.45 | $14,915.97 | -4.0% | -27.3% | - | |
| Dec 22, 2025 | XOS Xos, Inc. | Director | Sell10b5-1 | 11,478 | $2.08 | $23,827.95 | -12.2% | -5.6% | - |