Looks like it to me:
https://www.lindeplc.com/-/media/linde/merger/documents/investors/praxair-tax-form-8937.pdf?la=en&re...
https://www.lindeplc.com/en/investors/investors-frequently-asked-questions
"If a U.S. shareholder receives Linde plc shares with a fair market value
in excess of the adjusted tax basis of such U.S. shareholder’s Praxair
shares surrendered in the merger, such U.S. shareholder will recognize
capital gain, if any, to the extent of the difference. A U.S.
shareholder will not recognize any loss on Praxair shares surrendered in
the merger (except with respect to any fractional entitlement to Linde
plc shares deemed received and exchanged for cash). A U.S. shareholder
who recognizes gain with respect to all of its Praxair shares
surrendered in the merger will have an aggregate tax basis in the Linde
plc shares received in the merger that is equal to the fair market value
of the Linde plc shares as of the effective date of the merger. In the
case of a U.S. shareholder who does not recognize gain with respect to
any of its Praxair shares surrendered in the merger, the aggregate basis
of the Linde plc shares received for Praxair shares in the merger will
be equal to the basis of Praxair shares surrendered. The holding period
of Linde plc shares received by a U.S. shareholder will include the
holding period of the Praxair shares surrendered therefor."
