Key facts
- This page summarizes James Michael Chu's Form 4 filing for Birkenstock Holding plc (BIRK).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 17 Aug 2026, 16:05.
James Michael Chu - 17 Aug 2026 Form 4 Insider Report for Birkenstock Holding plc (BIRK)
- Reporting relationship
- Director
- Issuer ticker
- BIRK
- Reported as of
- 17 Aug 2026
- Net transaction value
- -$1,102,769,135
- SEC form
- 4
- Accepted by SEC
- 17 Aug 2026, 16:05:09 UTC
- Prior SEC filing
- 18 Mar 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ James Michael Chu
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
James Michael Chu filed Form 4 for Birkenstock Holding plc (BIRK) on 17 Aug 2026.
Change
- Previous filing in this sequence was filed on 18 Mar 2026.
- Current net transaction value: -$1,102,769,135.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001544498
Primary reporting owner
Chu James Michael
- Relationship
- Director
- Address
- 599 WEST PUTNAM AVENUE, GREENWICH
- Signature
- /s/ James Michael Chu
- Signature date
- 17 Aug 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
BIRK
transaction
Ordinary shares, no par value
Sale
- Transaction value
- $1,102,769,135
- Shares
- -28,146,226
- Change %
- -28%
- Price
- $39.18
- Shares after
- 71,270,287
- Date
- 17 Aug 2026
- Ownership
- By BK LC Lux MidCo S.a r.l.
- Footnotes
- F1, F2, F3
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 3 footnotes
Footnote F1
The reported price represents the price received from the underwriter by BK LC Lux MidCo S.a r.l. ("MidCo") in connection with an underwritten block trade.
Footnote F2
The reported securities are held directly by MidCo. The management of MidCo is controlled by BK LC Lux SCA. BK LC Lux GP S.a r.l. is the general partner of BK LC Lux SCA. The management of BK LC Lux GP S.a r.l. is controlled by LC9 Caledonia AIV GP, LLP. LC9 Caledonia AIV GP, LLP is managed by its members, Catterton Caledonia 1 Limited ("Caledonia 1") and Catterton Caledonia 2 Limited ("Caledonia 2"). The management of each of Caledonia 1 and Caledonia 2 is controlled by its directors. The Reporting Person's role as a director of Caledonia 1 and Caledonia 2 may be deemed to give him voting and dispositive power with respect to the shares held directly by MidCo.
Footnote F3
The Reporting Person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.