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Rubean AG (Frankfurt Stock Exchange:R1B.F)
DE · Delayed Price · Currency is EUR
Technology · Software - Infrastructure
4.62-0.04 (-0.86%)
Insider Score
/ 100
R1B.F Insider Score
Rubean AG has a live Insider Score.
Scored on 4 qualifying trades from 3 insiders in the last 90 days.
R1B.F Stock Insider Trading Activity
R1B.F stock’s insider trading shows 7 purchases for an estimated $70.19K by company insiders over the last 6 months.
Not enough price history.
Insider Trading Activity (Form 4 Filings)
An insider trade occurs when an individual that has non-public information about a company buys or sells shares of that company’s stock. Examples of insiders include a company’s executive officers (CEO, CFO, COO), its board of directors, and its major shareholders. Insiders are required to submit their trading activity to the SEC through Form 4 filings.
Scored window · last 90 days4 qualifying buys3 insiders$37.70K bought— these are the numbers in the rankings table; the full history below shows every filing (buys, sells and older activity).
| Insider | Action | Shares | Avg Cost | Total | Δ Holdings | Held After | Date | Grade | Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| M2 Venture GmbH Other | Buy | 3,000 | $4.80 | $16.13K | New | — | Sep 30, 2026 | C | Form 4 |
| M2 Venture GmbH Other | Buy | 1,042 | $4.74 | $5.53K | New | — | Sep 30, 2026 | C | Form 4 |
| M2 Ventures GmbH Other | Buy | 2,000 | $4.58 | $10.64K | New | — | Aug 6, 2026 | BCluster Buy | Form 4 |
| Mittnik, Prof. Dr. Stefan Director | Buy | 2,000 | $4.60 | $10.69K | New | — | Aug 5, 2026 | BCluster BuyFirst Buy | Form 4 |
| M2 Venture GmbH Other | Buy | 2,000 | $4.56 | $10.60K | New | — | Jul 13, 2026 | CCluster Buy | Form 4 |
| M2 Venture GmbH Other | Buy | 2,000 | $4.64 | $10.78K | New | — | Jul 3, 2026 | C | Form 4 |
| M2 Venture GmbH Other | Buy | 1,008 | $4.96 | $5.81K | New | — | May 21, 2026 | C | Form 4 |
| M2 Venture GmbH Other | Buy | 1,000 | $4.70 | $5.46K | New | — | Feb 19, 2026 | C | Form 4 |
| M2 Venture GmbH Other | Buy | 2,200 | $4.69 | $11.99K | New | — | Jan 6, 2026 | B | Form 4 |
| BMK Holding GmbH Other | Buy | 300 | $4.50 | $1.57K | New | — | Dec 30, 2025 | C | Form 4 |
| BMK Holding GmbH Other | Buy | 714 | $4.68 | $3.88K | New | — | Dec 23, 2025 | B | Form 4 |
| BMK Holding GmbH Other | Buy | 991 | $4.60 | $5.30K | New | — | Dec 15, 2025 | BFirst Buy | Form 4 |
| M2 Venture GmbH Other | Buy | 871 | $6.05 | $6.12K | New | — | Oct 16, 2025 | BFirst Buy | Form 4 |
| M2 Ventures GmbH Other | Buy | 1,095 | $6.16 | $7.84K | New | — | Aug 26, 2025 | — | Form 4 |
Disclaimer — Informational only — not investment advice. Insider transaction data is sourced from SEC Form 4 filings; market data from public feeds and may be delayed. The Insider Score is a proprietary score for research purposes and does not predict future performance. Always do your own research.