Sean M. Wirtjes
Known title: Chief Financial OfficerCIK: 0001289733
Sean M. Wirtjes's purchase track record
Sean M. Wirtjes has only 2 open-market purchases with a full 6 months of price history after it -- too few to call a track record yet.
| Purchase | Stock | Amount | 3 months | 6 months | S&P 500, 6 mo. |
|---|---|---|---|---|---|
| 8/7/2024 | RPID | $8K | +52.0% | +304.0% | +16.6% |
| 9/6/2023 | RPID | $10K | +11.7% | +2.5% | +14.3% |
Computed by MarketWall from SEC Form 4 filings and daily closing prices (close on the purchase date to the close about 3 and 6 months later). Companies that have since delisted are not included. Past results, not investment advice.
Associated companies
Transaction History
| RPID | ▲ Buy | Grant | 12,787 | $25K | 5/29/2026 | View on chart |
| RPID | ▼ Sell | Open Market | 7,480 | $32K | 3/11/2026 | View on chart |
| RPID | ▼ Sell | Open Market | 17,254 | $68K | 2/20/2026 | View on chart |
| RPID | ▲ Buy | Grant | 97,000 | $0 | 2/11/2026 | View on chart |
| RPID | ▼ Sell | Open Market | 6,027 | $23K | 2/9/2026 | View on chart |
| RPID | ▼ Sell | Tax Withholding | 7,690 | $18K | 3/9/2025 | View on chart |
| RPID | ▲ Buy | Grant | 160,000 | $0 | 2/18/2025 | View on chart |
| RPID | ▼ Sell | Tax Withholding | 4,621 | $12K | 2/11/2025 | View on chart |
| RPID | ▼ Sell | Tax Withholding | 5,891 | $18K | 2/6/2025 | View on chart |
| RPID | ▲ Buy | Open Market | 10,000 | $8K | 8/7/2024 | View on chart |
| RPID | ▼ Sell | Tax Withholding | 7,454 | $7K | 3/11/2024 | View on chart |
| RPID | ▼ Sell | Tax Withholding | 3,794 | $4K | 2/12/2024 | View on chart |
| RPID | ▲ Buy | Grant | 51,000 | $0 | 2/6/2024 | View on chart |
| RPID | ▲ Buy | Open Market | 10,000 | $10K | 9/6/2023 | View on chart |
| RPID | ▲ Buy | Grant | 78,600 | $0 | 3/9/2023 | View on chart |
| RPID | ▼ Sell | Tax Withholding | 4,621 | $6K | 2/13/2023 | View on chart |
| RPID | ▲ Buy | Option Exercise | 10,000 | $10K | 3/17/2022 | View on chart |
| RPID | ▲ Buy | Grant | 40,000 | $0 | 2/11/2022 | View on chart |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
September 28, 2026
RPID Presents at Small-Cap Virtual Conference
Rapid Micro Biosystems presented at a small‑cap virtual conference, sharing updates on its product pipeline and business strategy. The event offered investors a chance to hear directly from management about recent progress and future plans. The presentation follows the company’s recent trading activity, with an RSI of 31.3 and support near $1.66.
RPID Presents at Small-Cap Virtual Conference. Rapid Micro Biosystems presented at a small‑cap virtual conference, sharing updates on its product pipeline and business strategy. The event offered investors a chance to hear directly from management about recent progress and future plans. The presentation follows the company’s recent trading activity, with an RSI of 31.3 and support near $1.66.