Germany Software & IT Services

Atoss Software AG (AOF)

Track

Atoss Software AG experienced significant insider trading activity characterized exclusively by purchases between November 2025 and February 2026. The most recent transaction occurred on February 25, 2026. Given that these events transpired over three months ago, no assessment regarding current market valuation or performance trends is provided.
Ticker: AOF Exchange: GER
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Atoss Software AG. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
AOB Invest GmbH
Through AOB Invest GmbH, a person closely affiliated to an insider
Transaction date
Purchase
Price
211.17
Quantity 25,075
Value €3,976,886
AOB Invest GmbH
Through AOB Invest GmbH, a person closely affiliated to an insider
Transaction date
Purchase
Price
80.82
Quantity 2,508
Value €1,035,999
AOB Invest GmbH
Through AOB Invest GmbH, a person closely affiliated to an insider
Transaction date
Purchase
Price
149.82
Quantity 58,714
Value €2,525,839
0.8
Leiber, Christof Management Board Member
Transaction date
Purchase
Price
86.60
Quantity 2,500
Value €216,487
AOB Invest GmbH
Through AOB Invest GmbH, a person closely affiliated to an insider
Transaction date
Purchase
Price
90.71
Quantity 29,812
Value €2,704,268
AOB Invest GmbH
Through AOB Invest GmbH, a person closely affiliated to an insider
Transaction date
Purchase
Price
88.77
Quantity 19,306
Value €1,713,762
AOB Invest GmbH
Through AOB Invest GmbH, a person closely affiliated to an insider
Transaction date
Purchase
Price
86.12
Quantity 40,366
Value €3,476,292
AOB Invest GmbH
Through AOB Invest GmbH, a person closely affiliated to an insider
Transaction date
Purchase
Price
86.56
Quantity 42,510
Value €3,679,634
AOB Invest GmbH
Through AOB Invest GmbH, a person closely affiliated to an insider
Transaction date
Purchase
Price
114.90
Quantity 13,178
Value €1,514,134
AOB Invest GmbH
Through AOB Invest GmbH, a person closely affiliated to an insider
Transaction date
Purchase
Price
114.78
Quantity 10,882
Value €1,249,024
AOB Invest GmbH
Through AOB Invest GmbH, a person closely affiliated to an insider
Transaction date
Purchase
Price
114.37
Quantity 12,614
Value €1,442,675
AOB Invest GmbH
Through AOB Invest GmbH, a person closely affiliated to an insider
Transaction date
Purchase
Price
114.36
Quantity 45,639
Value €5,219,258
AOB Invest GmbH
Through AOB Invest GmbH, a person closely affiliated to an insider
Transaction date
Purchase
Price
100.00
Quantity 60,000
Value €6,000,000
AOB Invest GmbH
Through AOB Invest GmbH, a person closely affiliated to an insider
Transaction date
Sale
Price
120.00
Quantity 541,667
Value €65,000,040
AOB Invest GmbH
Through AOB Invest GmbH, a person closely affiliated to an insider
Transaction date
Sale
Price
140.00
Quantity 1,590,627
Value €222,687,780
1.9
Häußermann, Dirk Management Board Member
Transaction date
Purchase
Price
179.80
Quantity 950
Value €170,810
1.9
Häußermann, Dirk Management Board Member
Transaction date
Purchase
Price
171.40
Quantity 750
Value €128,550
1.9
Häußermann, Dirk Management Board Member
Transaction date
Purchase
Price
177.00
Quantity 1,700
Value €300,900
Obereder, Ursula
Through Obereder, Ursula, a person closely affiliated to an insider
Transaction date
Sale
Price
160.00
Quantity 480,000
Value €76,800,000
Tonkens Holding GmbH
Through Tonkens Holding GmbH, a person closely affiliated to an insider
Transaction date
Purchase
Price
4.50
Quantity 175
Value €788
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-02-26 2026-02-25 B Purchase Through AOB Invest GmbH, a person closely affiliated to an insider
25,075
211.17
€3,976,886 		25,075 211.17 €3,976,886
2026-02-25 2026-02-24 B Purchase Through AOB Invest GmbH, a person closely affiliated to an insider
2,508
80.82
€1,035,999 		2,508 80.82 €1,035,999
2026-02-25 2026-02-23 B Purchase Through AOB Invest GmbH, a person closely affiliated to an insider
58,714
149.82
€2,525,839 		58,714 149.82 €2,525,839
2026-02-16 2026-02-13 B Purchase
0.8
Leiber, Christof
Management Board Member
2,500
86.60
€216,487 		2,500 86.60 €216,487
2026-02-11 2026-02-10 B Purchase Through AOB Invest GmbH, a person closely affiliated to an insider
29,812
90.71
€2,704,268 		29,812 90.71 €2,704,268
2026-02-11 2026-02-09 B Purchase Through AOB Invest GmbH, a person closely affiliated to an insider
19,306
88.77
€1,713,762 		19,306 88.77 €1,713,762
2026-02-10 2026-02-06 B Purchase Through AOB Invest GmbH, a person closely affiliated to an insider
40,366
86.12
€3,476,292 		40,366 86.12 €3,476,292
2026-02-10 2026-02-05 B Purchase Through AOB Invest GmbH, a person closely affiliated to an insider
42,510
86.56
€3,679,634 		42,510 86.56 €3,679,634
2025-12-03 2025-12-02 B Purchase Through AOB Invest GmbH, a person closely affiliated to an insider
13,178
114.90
€1,514,134 		13,178 114.90 €1,514,134
2025-12-03 2025-12-01 B Purchase Through AOB Invest GmbH, a person closely affiliated to an insider
10,882
114.78
€1,249,024 		10,882 114.78 €1,249,024
2025-12-03 2025-11-28 B Purchase Through AOB Invest GmbH, a person closely affiliated to an insider
12,614
114.37
€1,442,675 		12,614 114.37 €1,442,675
2025-12-02 2025-11-27 B Purchase Through AOB Invest GmbH, a person closely affiliated to an insider
45,639
114.36
€5,219,258 		45,639 114.36 €5,219,258
2025-09-23 2025-09-23 B Purchase Through AOB Invest GmbH, a person closely affiliated to an insider
60,000
100.00
€6,000,000 		60,000 100.00 €6,000,000
2024-09-12 2024-09-10 S Sale Through AOB Invest GmbH, a person closely affiliated to an insider
541,667
120.00
€65,000,040 		541,667 120.00 €65,000,040
2023-06-30 2023-06-30 S Sale Through AOB Invest GmbH, a person closely affiliated to an insider
1,590,627
140.00
€222,687,780 		1,590,627 140.00 €222,687,780
2022-02-09 2022-02-09 B Purchase
1.9
Häußermann, Dirk
Management Board Member
950
179.80
€170,810 		950 179.80 €170,810
2022-02-09 2022-02-08 B Purchase
1.9
Häußermann, Dirk
Management Board Member
750
171.40
€128,550 		750 171.40 €128,550
2021-04-26 2021-04-26 B Purchase
1.9
Häußermann, Dirk
Management Board Member
1,700
177.00
€300,900 		1,700 177.00 €300,900
2021-02-25 2021-02-25 S Sale Through Obereder, Ursula, a person closely affiliated to an insider
480,000
160.00
€76,800,000 		480,000 160.00 €76,800,000
2020-07-22 2020-07-21 B Purchase Through Tonkens Holding GmbH, a person closely affiliated to an insider
175
4.50
€788 		175 4.50 €788
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