Castellum AB (LEI code: 549300GU5OHTR1T5IY68) (“Castellum”) has during the period from 20 May to 28 May 2026 repurchased, in total, 2,634,000 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:
| Date | Aggregated volume (number of shares) | Weighted average share price (SEK) | Total transaction value (SEK) |
| 20/05/2026 | 388,000 | 125.4198 | 48,662,882 |
| 21/05/2026 | 390,000 | 126.3346 | 49,270,494 |
| 22/05/2026 | 382,000 | 125.9463 | 48,111,487 |
| 25/05/2026 | 381,000 | 128.1588 | 48,828,503 |
| 26/05/2026 | 372,000 | 126.4242 | 47,029,802 |
| 27/05/2026 | 364,000 | 126.9654 | 46,215,406 |
| 28/05/2026 | 357,000 | 125.6566 | 44,859,406 |
| Total | 2,634,000 | 126.4153 | 332,977,980 |
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 28 May 2026 amounts to 18,094,903 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, CFO, Castellum AB, +46 70 249 72 55