Sweden Healthcare Equipment & Supplies

Subgen AI AB (SUBGEN)

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Subgen AI AB experienced significant insider activity, with the most recent transactions occurring on May 28, 2026. During this period, the Chief Executive Officer and Chairman of the Board executed substantial share purchases. These acquisitions follow a series of earlier divestments and buys recorded throughout late 2025 and early 2026 by company leadership.
Ticker: SUBGEN Exchange: STO
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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 Subgen AI AB. 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
LORENZO SERRATOSA GALLARDO Chief Executive Officer (CEO)/Managing Directory Officer
Transaction date
Purchase
Price
65.30
Quantity 62,968
Value SEK336,391
Ivan Garcia Braulio Chairman of the Board of Directors Director
Transaction date
Purchase
Price
199.06
Quantity 3,235
Value SEK329,723
2.4
SUBSTRATE ARTIFICIAL INTELIGENCE SA Chairman of the Board of Directors Director
Transaction date
Sale
Price
185.71
Quantity 55,727
Value SEK384,399
3.4
jose ivan Garcia Braulio Chairman of the Board of Directors Director
Through SUBSTRATE ARTIFICIAL INTELIGENCE SA, a closely affiliated person
Transaction date
Sale
Price
0.84
Quantity 1,560,820
Value SEK1,311,089
Ivan Garcia Braulio Chairman of the Board of Directors Director
Through SUBSTRATE ARTIFICIAL INTELIGENCE SA, a closely affiliated person
Transaction date
Sale
Price
0.13
Quantity 58
Value US$8
0.8
IVAN GARCIA BRAULIO Chairman of the Board of Directors Director
Through SUBSTRATE ARTIFICIAL INTELIGENCE SA, a closely affiliated person
Transaction date
Sale
Price
0.39
Quantity 25,901
Value US$10,000
0.8
IVAN GARCIA BRAULIO Chairman of the Board of Directors Director
Through SUBGEN AI FOUNDATION, a closely affiliated person
Transaction date
Purchase
Price
2.19
Quantity 396,437,172
Value SEK866,818,995
0.8
IVAN GARCIA BRAULIO Chairman of the Board of Directors Director
Through JMSAN AGENTES FINANCIEROS GLOBALES SL, a closely affiliated person
Transaction date
Purchase
Price
2.19
Quantity 102,550,434
Value SEK224,228,883
0.8
IVAN GARCIA BRAULIO Chairman of the Board of Directors Director
Through JMSAN AGENTES FINANCIEROS GLOBALES SL, a closely affiliated person
Transaction date
Purchase
Price
2.19
Quantity 102,550,434
Value SEK224,228,883
0.8
IVAN GARCIA BRAULIO Chairman of the Board of Directors Director
Through SUBGEN AI FOUNDATION, a closely affiliated person
Transaction date
Purchase
Price
2.19
Quantity 396,437,172
Value SEK866,818,995
0.8
IVAN GARCIA BRAULIO Chairman of the Board of Directors Director
Through SUBSTRATE ARTIFICIAL INTELIGENCE SA, a closely affiliated person
Transaction date
Purchase
Price
2.19
Quantity 174,073,643
Value SEK380,616,024
0.8
IVAN GARCIA BRAULIO Chairman of the Board of Directors Director
Through SUBSTRATE ARTIFICIAL INTELIGENCE SA, a closely affiliated person
Transaction date
Purchase
Price
0.00
Quantity 174,073,643
Value SEK380,616
0.8
IVAN GARCIA BRAULIO Chief Executive Officer (CEO)/Managing Directory Officer
Through Ivan Garcia Braulio, a closely affiliated person
Transaction date
Purchase
Price
0.00
Quantity 174,073,643
Value SEK380,616
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-05-29 2026-05-28 B Purchase
LORENZO SERRATOSA GALLARDO

Chief Executive Officer (CEO)/Managing Directory

Officer
62,968
65.30
SEK336,391 		62,968 65.30 SEK336,391
2026-05-29 2026-05-28 B Purchase
Ivan Garcia Braulio

Chairman of the Board of Directors

Director
3,235
199.06
SEK329,723 		3,235 199.06 SEK329,723
2026-05-08 2026-05-06 S Sale
2.4
SUBSTRATE ARTIFICIAL INTELIGENCE SA

Chairman of the Board of Directors

Director
55,727
185.71
SEK384,399 		55,727 185.71 SEK384,399
2026-01-21 2026-01-16 S Sale
3.4
jose ivan Garcia Braulio

Chairman of the Board of Directors

Through SUBSTRATE ARTIFICIAL INTELIGENCE SA, a closely affiliated person Director
1,560,820
0.84
SEK1,311,089 		1,560,820 0.84 SEK1,311,089
2025-12-23 2025-12-22 S Sale
Ivan Garcia Braulio

Chairman of the Board of Directors

Through SUBSTRATE ARTIFICIAL INTELIGENCE SA, a closely affiliated person Director
58
0.13
US$8 		58 0.13 US$8
2025-12-10 2025-12-08 S Sale
0.8
IVAN GARCIA BRAULIO

Chairman of the Board of Directors

Through SUBSTRATE ARTIFICIAL INTELIGENCE SA, a closely affiliated person Director
25,901
0.39
US$10,000 		25,901 0.39 US$10,000
2025-12-10 2025-12-05 B Purchase
0.8
IVAN GARCIA BRAULIO

Chairman of the Board of Directors

Through SUBGEN AI FOUNDATION, a closely affiliated person Director
396,437,172
2.19
SEK866,818,995 		396,437,172 2.19 SEK866,818,995
2025-12-10 2025-12-05 B Purchase
0.8
IVAN GARCIA BRAULIO

Chairman of the Board of Directors

Through JMSAN AGENTES FINANCIEROS GLOBALES SL, a closely affiliated person Director
102,550,434
2.19
SEK224,228,883 		102,550,434 2.19 SEK224,228,883
2025-12-10 2025-12-05 B Purchase
0.8
IVAN GARCIA BRAULIO

Chairman of the Board of Directors

Through JMSAN AGENTES FINANCIEROS GLOBALES SL, a closely affiliated person Director
102,550,434
2.19
SEK224,228,883 		102,550,434 2.19 SEK224,228,883
2025-12-10 2025-12-05 B Purchase
0.8
IVAN GARCIA BRAULIO

Chairman of the Board of Directors

Through SUBGEN AI FOUNDATION, a closely affiliated person Director
396,437,172
2.19
SEK866,818,995 		396,437,172 2.19 SEK866,818,995
2025-12-02 2025-11-27 B Purchase
0.8
IVAN GARCIA BRAULIO

Chairman of the Board of Directors

Through SUBSTRATE ARTIFICIAL INTELIGENCE SA, a closely affiliated person Director
174,073,643
2.19
SEK380,616,024 		174,073,643 2.19 SEK380,616,024
2025-12-02 2025-11-27 B Purchase
0.8
IVAN GARCIA BRAULIO

Chairman of the Board of Directors

Through SUBSTRATE ARTIFICIAL INTELIGENCE SA, a closely affiliated person Director
174,073,643
0.00
SEK380,616 		174,073,643 0.00 SEK380,616
2025-11-28 2025-11-27 B Purchase
0.8
IVAN GARCIA BRAULIO

Chief Executive Officer (CEO)/Managing Directory

Through Ivan Garcia Braulio, a closely affiliated person Officer
174,073,643
0.00
SEK380,616 		174,073,643 0.00 SEK380,616
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