France Biotechnology & Medical Research

Sensorion SA (ALSEN)

Track

Sensorion SA has seen significant insider activity, with the most recent transactions occurring in January 2026. During this period, Redmile Biopharma Investments III and Sofinnova Partners SAS executed substantial share purchases. These transactions represent the latest recorded insider activity for the company, following a series of buy orders from these entities over the preceding years.
Ticker: ALSEN Exchange: PAR
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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 Sensorion SA. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
REDMILE BIOPHARMA INVESTMENTS III
L.P., Director
1 purchase — total 5,300,000 EUR
Buy 30 Jan 2026
Value €1,343,596.40 | Price 482.66 | Shares 94,247
Buy 28 Jan 2026
Value €3,668,915.42 | Price 449.26 | Shares 28,367
Buy 11 Apr 2024
Value €1,752,605.82 | Price 0.63 | Shares 2,781,914
Buy 11 Apr 2024
Value €999,999.63 | Price 0.63 | Shares 1,587,301
Buy 13 Feb 2024
Value €9,599,999.85 | Price 0.57 | Shares 16,842,105
Buy 8 Feb 2024
Value €6,999,999.57 | Price 0.57 | Shares 12,280,701
Sale 21 Dec 2023
Value €27,867,705.60 | Price 0.45 | Shares 62,204,700
Buy 8 Aug 2023
Value €3,214,285.74 | Price 0.18 | Shares 17,857,143
Buy 8 Aug 2023
Value €12,999,999.88 | Price 0.28 | Shares 46,428,571
Buy 3 Aug 2023
Value €7,000,000.00 | Price 0.28 | Shares 25,000,000
Buy 18 Feb 2020
Value €6,456.80 | Price 0.92 | Shares 7,000
Buy 17 Feb 2020
Value €9,599.10 | Price 0.98 | Shares 9,804
Buy 9 Jan 2020
Value €6,795.00 | Price 0.86 | Shares 7,903
Buy 2 Jan 2020
Value €4,553.86 | Price 0.85 | Shares 5,386
Buy 27 Dec 2019
Value €12,711.00 | Price 0.85 | Shares 15,000
Buy 24 Dec 2019
Value €25,164.00 | Price 0.84 | Shares 30,000
Buy 23 Dec 2019
Value €24,796.00 | Price 0.85 | Shares 29,282
Buy 13 Dec 2019
Value €32,151.65 | Price 0.81 | Shares 39,581
Buy 12 Dec 2019
Value €62,871.20 | Price 0.82 | Shares 76,300
Through INVUS, a closely affiliated person
Buy 9 Dec 2019
Value €54,570.62 | Price 0.74 | Shares 73,974
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
2026-02-03 2026-01-30 B Purchase REDMILE BIOPHARMA INVESTMENTS III

L.P., Director

Director
94,247
482.66
€1,343,596 		94,247 482.66 €1,343,596
2026-01-30 2026-01-28 B Purchase
1.8
SOFINNOVA PARTNERS SAS

Administrateur

Director
28,367
449.26
€3,668,915 		28,367 449.26 €3,668,915
2024-04-16 2024-04-11 B Purchase REDMILE BIOPHARMA INVESTMENTS III

L.P., Director

Director
21,498
30.29
€4,653,645 		21,498 30.29 €4,653,645
2024-04-12 2024-04-11 B Purchase
1.8
SOFINNOVA PARTNERS SAS

Administrateur

Director
1,587,301
0.63
€1,000,000 		1,587,301 0.63 €1,000,000
2024-02-16 2024-02-13 B Purchase REDMILE BIOPHARMA INVESTMENTS III

L.P., Director

Director
16,842,105
0.57
€9,600,000 		16,842,105 0.57 €9,600,000
2024-02-14 2024-02-08 B Purchase
1.8
SOFINNOVA PARTNERS SAS

Administrateur

Director
12,280,701
0.57
€7,000,000 		12,280,701 0.57 €7,000,000
2024-01-01 2023-12-21 S Sale INVUS

ADMINISTRATEUR

Director
62,204,700
0.45
€27,867,706 		62,204,700 0.45 €27,867,706
2023-08-10 2023-08-08 B Purchase REDMILE BIOPHARMA INVESTMENTS III

L.P., Director

Director
17,857,143
0.18
€3,214,286 		17,857,143 0.18 €3,214,286
2023-08-10 2023-08-08 B Purchase REDMILE BIOPHARMA INVESTMENTS III

L.P., Director

Director
46,428,571
0.28
€13,000,000 		46,428,571 0.28 €13,000,000
2023-08-08 2023-08-03 B Purchase
1.8
SOFINNOVA PARTNERS SAS

Administrateur

Director
25,000,000
0.28
€7,000,000 		25,000,000 0.28 €7,000,000
2020-02-19 2020-02-18 B Purchase INVUS

ADMINISTRATEUR

Director
7,000
0.92
€6,457 		7,000 0.92 €6,457
2020-02-18 2020-02-17 B Purchase INVUS

ADMINISTRATEUR

Director
9,804
0.98
€9,599 		9,804 0.98 €9,599
2020-01-13 2020-01-09 B Purchase INVUS

ADMINISTRATEUR

Director
7,903
0.86
€6,795 		7,903 0.86 €6,795
2020-01-03 2020-01-02 B Purchase INVUS

ADMINISTRATEUR

Director
5,386
0.85
€4,554 		5,386 0.85 €4,554
2020-01-01 2019-12-27 B Purchase INVUS

ADMINISTRATEUR

Director
15,000
0.85
€12,711 		15,000 0.85 €12,711
2019-12-25 2019-12-24 B Purchase INVUS

ADMINISTRATEUR

Director
30,000
0.84
€25,164 		30,000 0.84 €25,164
2019-12-24 2019-12-23 B Purchase INVUS

ADMINISTRATEUR

Director
29,282
0.85
€24,796 		29,282 0.85 €24,796
2019-12-17 2019-12-13 B Purchase INVUS

GERANT
39,581
0.81
€32,152 		39,581 0.81 €32,152
2019-12-13 2019-12-12 B Purchase INVUS

ADMINISTRATEUR

Through INVUS, a closely affiliated person Director
76,300
0.82
€62,871 		76,300 0.82 €62,871
2019-12-10 2019-12-09 B Purchase INVUS

GERANT
73,974
0.74
€54,571 		73,974 0.74 €54,571
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