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Germany Software & IT Services

Rubean AG (R1B)

Track

Over the last 90 days, Rubean AG has seen one insider buy transaction totaling €5,000. This contrasts with a broader pattern of multiple buy transactions in the preceding months, including significant purchases by Henrica Van de Velden. The stock has experienced a 7.8% decline over the past 90 days.
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Ticker: R1B Exchange: MUN
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
M2 Venture GmbH
1 purchase — total 5,000 EUR
Buy 21 May 2026
Value €1,987,123.64 | Price 43.85 | Shares 47,403
Through M2 Venture GmbH, a closely affiliated person
Buy 19 Feb 2026
Value €3,546,443.24 | Price 285.25 | Shares 18,799
Through M2 Venture GmbH, a closely affiliated person
Buy 6 Jan 2026
Value €10,320.00 | Price 4.69 | Shares 2,200
Through M2 Venture GmbH, a closely affiliated person
Buy 30 Dec 2025
Value €1,350.00 | Price 4.50 | Shares 300
Through BMK Holding GmbH, a closely affiliated person
Buy 23 Dec 2025
Value €3,341.52 | Price 4.68 | Shares 714
Through BMK Holding GmbH, a closely affiliated person
Buy 15 Dec 2025
Value €4,558.60 | Price 4.60 | Shares 991
Through BMK Holding GmbH, a closely affiliated person
Buy 16 Oct 2025
Value €5,269.55 | Price 6.05 | Shares 871
Through M2 Venture GmbH, a closely affiliated person
Buy 26 Aug 2025
Value €6,744.70 | Price 6.16 | Shares 1,095
Through M2 Ventures GmbH, a closely affiliated person
Buy 22 Aug 2025
Value €9,557.70 | Price 6.14 | Shares 1,557
Through M2 Venture GmbH, a closely affiliated person
Buy 3 Jul 2025
Value €1,895,944.00 | Price 5.50 | Shares 344,717
Buy 16 May 2025
Value €1,650,000.00 | Price 5.50 | Shares 300,000
Buy 14 May 2025
Value €723,822.00 | Price 5.50 | Shares 131,604
Buy 7 Apr 2025
Value €8,400.00 | Price 4.20 | Shares 2,000
Buy 6 Mar 2025
Value €4,440.00 | Price 4.44 | Shares 1,000
Through M2 Ventures GmbH, a closely affiliated person
Buy 21 Feb 2025
Value €9,720.00 | Price 4.86 | Shares 2,000
Through M2 Ventures GmbH, a closely affiliated person
Buy 12 Feb 2025
Value €6,313.78 | Price 4.21 | Shares 1,500
Through M2 Venture GmbH, a closely affiliated person
Buy 7 Jan 2025
Value €3,525.00 | Price 4.70 | Shares 750
Through M2 Venture GmbH, a closely affiliated person
Buy 6 Jan 2025
Value €4,700.00 | Price 4.70 | Shares 1,000
Through M2 Venture GmbH, a closely affiliated person
Buy 3 Jan 2025
Value €21,000.00 | Price 6.00 | Shares 3,500
Buy 23 Dec 2024
Value €4,800.00 | Price 4.80 | Shares 1,000
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-05-22 2026-05-21 B Purchase Through M2 Venture GmbH, a person closely affiliated to an insider
47,403
43.85
€1,987,124 		47,403 43.85 €1,987,124
2026-02-20 2026-02-19 B Purchase Through M2 Venture GmbH, a person closely affiliated to an insider
18,799
285.25
€3,546,443 		18,799 285.25 €3,546,443
2026-01-06 2026-01-06 B Purchase Through M2 Venture GmbH, a person closely affiliated to an insider
35,744
477.49
€3,284,301 		35,744 477.49 €3,284,301
2025-12-31 2025-12-30 B Purchase Through BMK Holding GmbH, a person closely affiliated to an insider
300
4.50
€1,350 		300 4.50 €1,350
2025-12-24 2025-12-23 B Purchase Through BMK Holding GmbH, a person closely affiliated to an insider
714
4.68
€3,342 		714 4.68 €3,342
2025-12-16 2025-12-15 B Purchase Through BMK Holding GmbH, a person closely affiliated to an insider
991
4.60
€4,559 		991 4.60 €4,559
2025-10-17 2025-10-16 B Purchase Through M2 Venture GmbH, a person closely affiliated to an insider
871
6.05
€5,270 		871 6.05 €5,270
2025-08-29 2025-08-26 B Purchase Through M2 Ventures GmbH, a person closely affiliated to an insider
1,095
6.16
€6,745 		1,095 6.16 €6,745
2025-08-26 2025-08-22 B Purchase Through M2 Venture GmbH, a person closely affiliated to an insider
1,557
6.14
€9,558 		1,557 6.14 €9,558
2025-07-07 2025-07-03 B Purchase
Van de Velden, Henrica
Supervisory Board Member
344,717
5.50
€1,895,944 		344,717 5.50 €1,895,944
2025-05-19 2025-05-16 B Purchase
Van de Velden, Henrica
Supervisory Board Member
300,000
5.50
€1,650,000 		300,000 5.50 €1,650,000
2025-05-14 2025-05-14 B Purchase
Van de Velden, Henrica
Supervisory Board Member
131,604
5.50
€723,822 		131,604 5.50 €723,822
2025-04-09 2025-04-07 B Purchase
3.2
Mittnik, Prof. Dr. Stefan
Supervisory Board Member
2,000
4.20
€8,400 		2,000 4.20 €8,400
2025-03-06 2025-03-06 B Purchase Through M2 Ventures GmbH, a person closely affiliated to an insider
1,000
4.44
€4,440 		1,000 4.44 €4,440
2025-02-21 2025-02-21 B Purchase Through M2 Ventures GmbH, a person closely affiliated to an insider
2,000
4.86
€9,720 		2,000 4.86 €9,720
2025-02-12 2025-02-12 B Purchase Through M2 Venture GmbH, a person closely affiliated to an insider
1,500
4.21
€6,314 		1,500 4.21 €6,314
2025-01-07 2025-01-07 B Purchase Through M2 Venture GmbH, a person closely affiliated to an insider
750
4.70
€3,525 		750 4.70 €3,525
2025-01-06 2025-01-06 B Purchase Through M2 Venture GmbH, a person closely affiliated to an insider
1,000
4.70
€4,700 		1,000 4.70 €4,700
2025-01-08 2025-01-03 B Purchase
2.2
von Borch, Dr. Peter
Supervisory Board Member
3,500
6.00
€21,000 		3,500 6.00 €21,000
2024-12-23 2024-12-23 B Purchase
3.2
Mittnik, Prof. Dr. Stefan
Supervisory Board Member
1,000
4.80
€4,800 		1,000 4.80 €4,800
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