REG - Societe Generale SA Prologis, Inc. - Form 8.3 - Prologis, Inc.

What happened

Societe Generale SA filed a public opening position disclosure on 27 October 2026 under Rule 8.3 of the Takeover Code, relating to Prologis, Inc., with the position held or dealing undertaken on 26 October 2026. The filing states Societe Generale is also making disclosures in respect of SEGRO plc.

Confirmed

Global impact / market context

Rule 8.3 disclosures are required when someone holds interests in relevant securities representing 1% or more during a takeover situation. This filing signals Societe Generale holds such a position in Prologis, which means its future dealings must be disclosed, giving investors visibility into a large holder's activity.

Analyst inference

The disclosure links Prologis to SEGRO plc, indicating both are parties to an offer or possible offer. That puts Prologis in a takeover-related situation, so its shares may trade on deal expectations rather than only property fundamentals, and disclosed holder positions become useful signals.

Analyst inference

What to watch

1. Societe Generale's filing covers Prologis, Inc. and notes disclosures are also being made in respect of SEGRO plc, so both companies are connected to the same offer situation. Confirmed
2. Investors should watch for follow-up Rule 8.3 dealing disclosures from Societe Generale, since any change in its disclosed position would show whether it is buying or selling relevant Prologis securities. Proposed
3. Because a 1% or more interest must be disclosed under the Code, further filings can reveal how concentrated ownership in Prologis is becoming, which may affect how other holders judge the offer outcome. Analyst inference

Evidence

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