Sensorion SA (ALSEN)

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The most recent insider trading activity occurred on January 30, 2026, with a significant BUY transaction by REDMILE BIOPHARMA INVESTMENTS III. Prior to this, SOFINNOVA PARTNERS SAS also made a BUY transaction on January 28, 2026. These recent transactions indicate substantial buying interest from key stakeholders.

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Ticker: ALSEN Exchange: PAR

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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings

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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

SOFINNOVA PARTNERS SAS

Administrateur

1 purchase — total 3,000,000 EUR

Buy 28 Jan 2026

Value €3,668,915.42 | Price 449.26 | Shares 28,367

REDMILE BIOPHARMA INVESTMENTS III

L.P., Director

1 purchase — total 1,752,606 EUR

Buy 11 Apr 2024

Value €1,752,605.82 | Price 0.63 | Shares 2,781,914

SOFINNOVA PARTNERS SAS

Administrateur

1 purchase — total 1,000,000 EUR

Buy 11 Apr 2024

Value €999,999.63 | Price 0.63 | Shares 1,587,301

REDMILE BIOPHARMA INVESTMENTS III

L.P., Director

1 purchase — total 9,600,000 EUR

Buy 13 Feb 2024

Value €9,599,999.85 | Price 0.57 | Shares 16,842,105

SOFINNOVA PARTNERS SAS

Administrateur

1 purchase — total 7,000,000 EUR

Buy 8 Feb 2024

Value €6,999,999.57 | Price 0.57 | Shares 12,280,701

INVUS

ADMINISTRATEUR

1 sale — total 27,867,706 EUR

Sale 21 Dec 2023

Value €27,867,705.60 | Price 0.45 | Shares 62,204,700

REDMILE BIOPHARMA INVESTMENTS III

L.P., Director

2 purchases — total 16,214,286 EUR

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

SOFINNOVA PARTNERS SAS

Administrateur

1 purchase — total 7,000,000 EUR

Buy 3 Aug 2023

Value €7,000,000.00 | Price 0.28 | Shares 25,000,000

INVUS

ADMINISTRATEUR

1 purchase — total 6,457 EUR

Buy 18 Feb 2020

Value €6,456.80 | Price 0.92 | Shares 7,000

INVUS

ADMINISTRATEUR

1 purchase — total 9,599 EUR

Buy 17 Feb 2020

Value €9,599.10 | Price 0.98 | Shares 9,804

INVUS

ADMINISTRATEUR

1 purchase — total 6,795 EUR

Buy 9 Jan 2020

Value €6,795.00 | Price 0.86 | Shares 7,903

INVUS

ADMINISTRATEUR

1 purchase — total 4,554 EUR

Buy 2 Jan 2020

Value €4,553.86 | Price 0.85 | Shares 5,386

INVUS

ADMINISTRATEUR

1 purchase — total 12,711 EUR

Buy 27 Dec 2019

Value €12,711.00 | Price 0.85 | Shares 15,000

INVUS

ADMINISTRATEUR

1 purchase — total 25,164 EUR

Buy 24 Dec 2019

Value €25,164.00 | Price 0.84 | Shares 30,000

INVUS

ADMINISTRATEUR

1 purchase — total 24,796 EUR

Buy 23 Dec 2019

Value €24,796.00 | Price 0.85 | Shares 29,282

INVUS

GERANT

1 purchase — total 32,152 EUR

Buy 13 Dec 2019

Value €32,151.65 | Price 0.81 | Shares 39,581

INVUS

ADMINISTRATEUR

1 purchase — total 62,871 EUR

Buy 12 Dec 2019

Value €62,871.20 | Price 0.82 | Shares 76,300

Through INVUS, a closely affiliated person

INVUS

GERANT

1 purchase — total 54,571 EUR

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
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