Ostermann Dietmar
Visual SEC Form 4 history across 1 companies, 10 transactions and 4 filings.
Open-market buy performance
90-day forward return on this insider's open-market purchases
We compute this from each buy's stock performance 90 days after the transaction. The price history is still being populated for this insider's their open-market buys, so the average and median will appear here once the daily price refresh has covered the relevant trading days.
Monthly open-market activity
Reported purchase and sale transaction counts
Net value flow
Buys minus sells
Transaction texture
Ownership and ticket size
Filing-only signals
Deterministic matches in this insider's history
Latest Form 4 facts
Quick context from source filings
No open-market insider purchase is available.
Associated companies
Visual map of known reporting history
| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| XOS | OSTERMANN DIETMAR | DIR | sale | 5.00k | -$1.50M | S | 0.0% | 09/04 | 09/04 | |
| XOS | OSTERMANN DIETMAR | DIR | sale | 10.0k | -$3.02M | S | 0.0% | 09/04 | 09/02 | |
| XOS | OSTERMANN DIETMAR | DIR | sale10b5-1 | 4.15k | -$893k | S | — | 08/27 | 07/17 | |
| XOS | OSTERMANN DIETMAR | DIR | sale10b5-1 | 4.15k | -$898k | S | — | 08/27 | 07/16 | |
| XOS | OSTERMANN DIETMAR | DIR | sale10b5-1 | 4.15k | -$957k | S | — | 08/27 | 07/15 | |
| XOS | OSTERMANN DIETMAR | DIR | sale10b5-1 | 4.15k | -$994k | S | — | 08/27 | 07/14 | |
| XOS | OSTERMANN DIETMAR | DIR | sale10b5-1 | 4.15k | -$975k | S | — | 08/27 | 07/13 | |
| XOS | OSTERMANN DIETMAR | DIR | sale10b5-1 | 4.15k | -$1.03M | S | — | 08/27 | 07/10 | |
| XOS | OSTERMANN DIETMAR | DIR | grant10b5-1 | 60.5k | $0 | A | — | 08/27 | 07/10 | |
| XOS | OSTERMANN DIETMAR | DIR | sale | 10.0k | -$3.49M | S | −5.7% | 08/24 | 08/20 |
Ostermann Dietmar Insider Activity FAQ
SEC Form 4 context
Who is Ostermann Dietmar?
Ostermann Dietmar is a reporting owner in SEC Form 4 filings with reporting owner CIK 0001179705.
Which companies has Ostermann Dietmar reported transactions for?
Xos, Inc.
When was Ostermann Dietmar's latest insider buy?
No open-market insider purchase is available for this period.
When was Ostermann Dietmar's latest insider sale?
sale at Xos, Inc. on Sep 04, 2026 valued at $15,000.
Where can I see the original SEC filings?
Each transaction row links directly to the source SEC filing so the reported Form 4 details can be reviewed.
Are performance metrics included?
This version does not calculate win rates, forward returns, benchmark-adjusted returns, or high-conviction scores.