InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
0
T+90 hit rate
50%
T+90 mean return
+6.1%
Across 2 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the detailed record of transactions filed by Syrjänen, Tuomas, Director. Director active across 3 companies, notably Vaisala. Aggregated, 12 disclosures have been published. Activity tracked since 24 April 2023. The latest transaction was filed on 27 April 2026 (Other). Regulator: FIN-FSA. The full history is accessible without signup.
Declarations12 total
405 shares0ShareXHELHEL:1438525
79,447 shares@ €1.70100.0% of flowShareHEL:1395297
20,335 shares0ShareHEL:1365246
426 shares0ShareXHELHEL:1360208
800 shares@ €47.150.0020% mcap59.0% of flowShareNASDAQ HELSINKI LTD (XHEL)HEL:1359245
534 shares@ €49.0250.0014% mcap41.0% of flowShareXTXEHEL:1345367
425 shares0ShareXHELHEL:1294541
17,475 shares0ShareXHELHEL:1291693
17,475 shares0ShareXHELHEL:1291695
397 shares0ShareXHELHEL:1227605
●
Member of the Board/Deputy member Issuer: WithSecure Corporation LEI: 743700ATXLT0MFCHXT16ExecutivesWithSecure Oyj
12,419 shares0ShareHEL:1222289
●
Member of the Board/Deputy member Issuer: WithSecure Corporation LEI: 743700ATXLT0MFCHXT16ExecutivesWithSecure Oyj
12,419 shares0ShareHEL:1222291
12 of 12 declarations
About Syrjänen, Tuomas
Tuomas Syrjänen is a board member of Vaisala. In this role, he contributes to the strategic direction of the company, ensuring that decisions align with Vaisala's objectives. His expertise is essential for the effective governance of the company.
