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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001140361-22-001654
Filing Date
2022-01-13
Accepted
2022-01-13 21:05:23
Documents
1
Period of Report
2022-01-11

Document Format Files

Seq Description Document Type Size
1 FORM 4 form4.html 4  
1 FORM 4 form4.xml 4 16840
  Complete submission text file 0001140361-22-001654.txt   21926
Mailing Address 55 RAILROAD AVENUE GREENWICH CT 06830
Business Address 55 RAILROAD AVENUE GREENWICH CT 06830 212-672-7050
VIKING GLOBAL INVESTORS LP (Reporting) CIK: 0001103804 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-41199 | Film No.: 22530297

Mailing Address C/O VIKING GLOBAL INVESTORS LP 280 PARK AVE 35TH NEW YORK NY 10017
Business Address
HALVORSEN OLE ANDREAS (Reporting) CIK: 0001133006 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-41199 | Film No.: 22530292

Mailing Address C/O VIKING GLOBAL INVESTORS LP 280 PARK AVENUE NEW YORK NY 10017
Business Address
Ott David C. (Reporting) CIK: 0001621842 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-41199 | Film No.: 22530291

Mailing Address 55 RAILROAD AVENUE GREENWICH CT 06830
Business Address 55 RAILROAD AVENUE GREENWICH CT 06830 203-863-5000
Viking Global Opportunities Portfolio GP LLC (Reporting) CIK: 0001629472 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-41199 | Film No.: 22530295

Mailing Address 55 RAILROAD AVENUE GREENWICH CT 06830
Business Address 55 RAILROAD AVENUE GREENWICH CT 06830 203-863-5000
Viking Global Opportunities GP LLC (Reporting) CIK: 0001629476 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-41199 | Film No.: 22530294

Mailing Address MORGAN STANLEY SERVICES (CAYMAN) CRICKET SQ., HUTCHINS DR., P.O. BOX 2681 GRAND CAYMAN E9 KY1-1111
Business Address MORGAN STANLEY SERVICES (CAYMAN) CRICKET SQ., HUTCHINS DR., P.O. BOX 2681 GRAND CAYMAN E9 KY1-1111 441-295-9166
Viking Global Opportunities Illiquid Investments Sub-Master LP (Reporting) CIK: 0001629482 (see all company filings)

State of Incorp.: E9 | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-41199 | Film No.: 22530296

Mailing Address 43 THORNDIKE STREET CAMBRIDGE MA 02141
Business Address 43 THORNDIKE STREET CAMBRIDGE MA 02141 617-683-0917
Amylyx Pharmaceuticals, Inc. (Issuer) CIK: 0001658551 (see all company filings)

IRS No.: 464600503 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2834 Pharmaceutical Preparations

Mailing Address C/O VIKING GLOBAL INVESTORS LP 280 PARK AVENUE NEW YORK NY 10017
Business Address
Shabet Rose Sharon (Reporting) CIK: 0001711393 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-41199 | Film No.: 22530290

Mailing Address 55 RAILROAD AVE GREENWICH CT 06830
Business Address 55 RAILROAD AVE GREENWICH CT 06830 203-863-5000
Viking Global Opportunities Parent GP LLC (Reporting) CIK: 0001886738 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-41199 | Film No.: 22530293