Summary
Updated Aug 31, 2026
Mats Wahlstrom files SEC Form 4 reports at Coherus BioSciences, Inc. (CHRS). 6 SEC Form 4 filings on record going back to 2024, most recently on 9 June 2026. Most recent open-market trade: bought $152K of TLSI on 18 May 2026. Lifetime open-market purchases: $222K. Historical track record: 2/5 stars across 4 tracked purchases.
Recent Transactions
8Every recent SEC Form 4 transaction Mats Wahlstrom has reported, most recent first.
Track Record
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realized performance after each tracked open-market purchase.
| Metric | Value |
|---|---|
| InsiderAlpha rating | ★★☆☆☆ (2/5) |
| Total purchases tracked | 4 |
| Purchases with forward-return data | 4 |
| 30-day win rate | 25% |
| 90-day win rate | 100% |
| Avg 5-day return | +3.06% |
| Avg 30-day return | +10.16% |
| Avg 90-day return | +51.32% |
| Best 30-day return | +56.72% |
Trading Pattern
InsiderAlpha's records for Mats Wahlstrom go back to 2024: 6 primary Form 4 filings, an average of 2.0 per year. The typical open-market purchase is $55K (4 buys totaling $222K). The largest single buy on record is $152K of TLSI in 2026. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Most Active Insiders Right Now
Mats Wahlstrom has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- Frank Slootman - $294.67M of SNOW open-market activity in the last 90 days
- Chitung Liu - $294.29M of UMC open-market activity in the last 90 days
- Peter Beck - $286.41M of RKLB open-market activity in the last 90 days
- SLTA V (GP), L.L.C. - $275.19M of FA open-market activity in the last 90 days
- Ignition Acquisition Holdings LP - $274.88M of OPLN open-market activity in the last 90 days
- Participations S.A R.L. Artal - $270.90M of CAVA open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Mats Wahlstrom?
Mats Wahlstrom is a corporate insider of Coherus BioSciences, Inc. (CHRS). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Mats Wahlstrom submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Mats Wahlstrom been buying or selling stock?
Recorded transactions: 4 open-market purchases ($222K) and 0 open-market sales across all tracked filings.
How accurate is Mats Wahlstrom's historical track record?
Across 4 tracked purchases, Mats Wahlstrom averaged +10.2% avg 30-day return with a 25% 30-day win rate. InsiderAlpha rates the track record at 2/5 stars.
Where can I see all of Mats Wahlstrom's SEC 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.
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