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Byggmästare Anders J Ahlström Holding AB (publ) Stock: price and insider trades · Sweden
No insider purchase over the last 90 days. The latest, by Tomas Bergström, was filed 04 Mar 2026.
Byggmästare Anders J Ahlström Holding AB (publ): what insiders have been doing
Byggmästare Anders J Ahlström Holding AB (publ) belongs to the Real Estate sector. Filings by its managers are published through Finansinspektionen. From 22 October 2025 to 22 October 2026, the disclosure feed for Byggmästare Anders J Ahlström Holding AB (publ) logged 8 filings by 4 insiders.
Purchases and sales both appear in the filings: 5 purchases (3 insiders, €3.8M) and 3 sales (2 insiders, €402k). On balance, insiders were net buyers of €3.4M. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. Among those who bought: 1 board member, 1 finance chief and 1 chief executive. One trade stands out by size: a purchase of €3.7M from Georg Johan Casimir Ehrnrooth, disclosed on 30 October 2025.
The data flag 2 purchases as part of a group of insiders buying within 30 days of each other. When several insiders buy within a few weeks of each other, analysts speak of a cluster purchase. The latest purchase dates back some time: it was published 235 days ago, on 4 March 2026. Most trades are made public on the day they happen. The legal deadline for notifying a trade is three business days (MAR article 19).
Across the 882 companies tracked on its exchange, the median is 8 filings; at 8 filings, this issuer sits right on that mark. The full history, which starts in 2016, counts 64 purchases against 20 sales.
Every figure here comes from the filings published by Finansinspektionen and describes the past, not future prices; it is not investment advice.
Insider Decl.
94
Thresholds
n/a
Buy Volume
€8M
64 ops. · all time
Sell Volume
€4M
20 ops. · all time
Who traded when
BuySaleTomas Bergström8 buys1 sale
Hidayet Tercan Sidea3 sales
Georg Johan Casimir Ehrnrooth1 buy1 sale
Frida Åkerblom1 buy
Mikael Ahlström1 sale
Stefan Dahlbo1 sale
Financial data
· cache
Last declaration on 3 August 2026
Declarations94 total
51,540 shares@ SEK 54.5083.5% of flowAktieISIN SE0006510491FI:csv-81fdf45b7cbc93080a5b
10,000 shares@ SEK 55.0016.5% of flowAktieISIN SE0006510491FI:csv-e51f1f4daddb49b6be3a
814 shares@ SEK 53.001.3% of flowAktieISIN SE0006510491FI:A003W728-1
Canonical exit: 2 Jun 2026 (T+90)
8,000 shares@ SEK 56.8214.3% of flowAktieISIN SE0006510491FI:A003V826-1
Canonical exit: 11 May 2026 (T+90)
1,047 shares@ SEK 55.55100.0% of flowAktieISIN SE0026876476FI:A003V692-1
Canonical exit: 7 May 2026 (T+90)
388 shares@ SEK 61.800.7% of flowAktieISIN SE0006510491FI:A003V013-1
Canonical exit: 22 Mar 2026 (T+90)
15,894 shares@ SEK 66.7032.5% of flowAktieISIN SE0006510491FI:A003U838-2
137,977 shares@ SEK 296.27100.0% of flowAktieISIN SE0006510491FI:A003T230-1
Canonical exit: 27 Jan 2026 (T+90)
223 shares@ SEK 276.35100.0% of flowAktieISIN SE0006510491FI:A003Q524-1
39,499 shares@ SEK 10.402.3% of flowOptionISIN SE0006510491FI:csv-70d562e2be2b4fada104
11,532 shares@ SEK 10.400.3% of flowKöpoptionFI:csv-d3b5a493e2ee06371100
39,499 shares@ SEK 10.401.0% of flowKöpoptionFI:csv-a77621a02ac343444a16
Canonical exit: 9 Mar 2025 (T+90)
22,093 shares@ SEK 10.400.5% of flowKöpoptionFI:csv-3ef8c4c95265f15dff3e
Canonical exit: 9 Mar 2025 (T+90)
13,131 shares@ SEK 10.400.3% of flowKöpoptionFI:csv-9a4edc13c6f1601eb347
Canonical exit: 9 Mar 2025 (T+90)
11,532 shares@ SEK 10.400.3% of flowKöpoptionFI:csv-e962de3f945b6cd9fee5
Canonical exit: 9 Mar 2025 (T+90)
11,046 shares@ SEK 10.400.3% of flowKöpoptionFI:csv-028fab26b4bf81a79816
Canonical exit: 9 Mar 2025 (T+90)
441 shares@ SEK 258.96261.7% of flowAktieISIN SE0006510491FI:csv-8e4774379b76ddf36065
90,000 shares0AktieISIN SE0006510491FI:csv-25e274927a3bb3e92865
17,315 shares@ SEK 258.8725.7% of flowAktieISIN SE0006510491FI:csv-3014a2d8db0dafbc9148
56,833 shares@ SEK 78.8725.7% of flowKöpoptionFI:csv-5012a24c2dcae8f91e6b
Canonical exit: 1 Dec 2024 (T+90)
5,055 shares@ SEK 258.872.9% of flowAktieISIN SE0006510491FI:csv-c1b761c0c6023f55311a
16,592 shares@ SEK 78.872.9% of flowKöpoptionFI:csv-fc5f670419eb72299cf5
Canonical exit: 1 Dec 2024 (T+90)
42,654 shares@ SEK 258.8726.2% of flowAktieISIN SE0006510491FI:csv-e434d440a33672db1bf1
Canonical exit: 1 Dec 2024 (T+90)
140,000 shares@ SEK 78.8726.2% of flowKöpoptionFI:csv-c6b2e4de8ac6def9d68c
1,000 shares@ SEK 266.00100.0% of flowAktieISIN SE0006510491FI:csv-866efcd058d3e504fa86
Canonical exit: 8 Oct 2024 (T+90)
25 of 94 declarations
About Byggmästare Anders J Ahlström Holding AB (publ)
Byggmästare Anders J Ahlström Holding AB (publ) is a Swedish company operating in the real estate sector. It is listed on the Stockholm Stock Exchange (XSTO).
