Pörssitiedote

Buy-back of shares in Castellum 29 April–8 May 2026

Castellum AB (LEI code: 549300GU5OHTR1T5IY68) (“Castellum”) has during the period from 29 April to 8 May 2026 repurchased, in total, 2,382,722 own shares (ISIN code: SE0000379190) under the share buy-back program initiated by the Board of Directors.

The share buy-backs form part of the share buy-back program which Castellum announced on 29 April 2026. The share buy-back program is being carried out in accordance with the EU Market Abuse Regulation (EU) No 596/2014 (“MAR”) and the Commission Delegated Regulation (EU) 2016/1052 (the “Safe Harbour Regulation”). The purpose of the share buy-back program is to adjust the company’s capital structure and thereby efficiently contribute to an increase in shareholder value.

Shares in Castellum have been repurchased as follows:

DateAggregated volume (number of shares)Weighted average share price (SEK)Total transaction value (SEK)
29/04/2026160,000117.795218,847,232
30/04/2026155,000117.789018,257,295
04/05/2026338,722117.594139,831,709
05/05/2026385,000119.111045,857,735
06/05/2026456,000122.368655,800,082
07/05/2026448,000121.711754,526,842
08/05/2026440,000121.240253,345,688
Total2,382,722120.2266286,466,582

All acquisitions have been carried out on Nasdaq Stockholm by ABG Sundal Collier on behalf of Castellum. Following the above acquisitions, Castellum’s holding of own shares as of 8 May 2026 amounts to 13,034,903 shares. The total number of shares in Castellum is 477,526,355.

A full breakdown of the transactions pursuant to Article 5.3 of MAR and Article 2.3 of the Safe Harbour Regulation is attached to this press release.

For more information, please contact:
Christoffer Strömbäck, Acting CFO and Acting Head of Transactions, Castellum AB, +46 70 249 72 55