Carl J. Rickertsen - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 4, 2026
Carl J. Rickertsen has filed 1 SEC Form 4 filing across 1 company in the last 90 days - active on both sides. Lifetime open-market purchases: $1.05M. Lifetime open-market sales: $10.20M.
Profile

Carl J. Rickertsen is a corporate insider at Strategy Inc (MSTR). Rickertsen's filing history also covers Magnera Corp (MAGN) and BERRY GLOBAL GROUP, INC. (BERY). Rickertsen has reported 10 insider filings with the SEC since 2024. The most recent filing was in June 2026.
| Role | Insider |
|---|---|
| Notability | 26/100 |
Board memberships
- Strategy Inc
- Magnera Corp
- BERRY GLOBAL GROUP, INC.
Reported roles
- Director
Trading Pattern
InsiderAlpha's records for Carl J. Rickertsen go back to 2024: 10 primary Form 4 filings, an average of 3.3 per year. The typical open-market purchase is $526K (2 buys totaling $1.05M). The largest single buy on record is $779K of MSTR in 2026. Sales side: 3 recorded sales totaling $10.20M, so the filing history runs sell-heavy by dollar value. 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.
Career & Filing History
Every role Carl J. Rickertsen has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- Insider at Strategy Inc (MSTR) - 4 filings, 2025 to 2026
- Director at Magnera Corp (MAGN) - 5 filings, 2024 to 2026
- Insider at BERRY GLOBAL GROUP, INC. (BERY) - 1 filing, 2024
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-02 | MSTR | Strategy Inc | M - Option exercise | 406 | - | |
| 2026-01-12 | MSTR | Strategy Inc | P - Open-market purchase | 5.0K | $155.88 | $779K |
| 2025-11-06 | MAGN | Magnera Corp | M - Option exercise | 9.5K | $8.53 | $81K |
| 2025-06-03 | MSTR | Strategy Inc | S - Open-market sale | 980 | $379.07 | $371K |
| 2025-05-31 | MSTR | Strategy Inc | S - Open-market sale | 1.4K | $373.70 | $519K |
| 2025-05-31 | MSTR | Strategy Inc | S - Open-market sale | 25.0K | $372.33 | $9.31M |
| 2025-05-31 | MSTR | Strategy Inc | M - Option exercise | 1.4K | $152.45 | $212K |
| 2025-05-31 | MSTR | Strategy Inc | M - Option exercise | 12.5K | $26.47 | $331K |
| 2025-05-31 | MSTR | Strategy Inc | M - Option exercise | 12.5K | $47.00 | $588K |
| 2025-05-31 | MSTR | Strategy Inc | M - Option exercise | 980 | - | |
| 2025-05-15 | MAGN | Magnera Corp | P - Open-market purchase | 20.0K | $13.65 | $273K |
| 2024-11-06 | BERY | BERRY GLOBAL GROUP, INC. | M - Option exercise | 1.4K | - |
Companies - Last 90 Days
- Strategy Inc (MSTR) - 1 filing, last 2026-06-02
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Carl J. Rickertsen has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- Wei-Ming Shao - $21.95M of MSTR open-market activity in the last 12 months
- Andrew Kang - $15.37M of MSTR open-market activity in the last 12 months
- Phong le - $13.82M of MSTR open-market activity in the last 12 months
- Jarrod M. Patten - $11.90M of MSTR open-market activity in the last 12 months
- Gregg Winiarski - $977K of MSTR open-market activity in the last 12 months
- Jane A. Dietze - $204K of MSTR open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Sabas D. Carrillo
- Jonathan P. Carroll
- CASCADE INVESTMENT, L.L.C.
- Casdin Capital, LLC
- Casdin Partners Master Fund, L.P.
- Richard M. Cashin Jr.
- Catalyst4, Inc.
- CDR Channel Holdings II, L.P.
Frequently Asked Questions
Who is Carl J. Rickertsen?
Carl J. Rickertsen is a corporate insider at Strategy Inc (MSTR). Rickertsen's filing history also covers Magnera Corp (MAGN) and BERRY GLOBAL GROUP, INC. (BERY). Rickertsen has reported 10 insider filings with the SEC since 2024. The most recent filing was in June 2026.…
How many SEC Form 4 filings has Carl J. Rickertsen submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Carl J. Rickertsen been buying or selling stock?
Recorded transactions: 2 open-market purchases ($1.05M) and 3 open-market sales ($10.20M) across all tracked filings.
Where can I see all of Carl J. Rickertsen'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.
Learn More
Open the live Carl J. Rickertsen profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.