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Filing Detail
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0000912938-20-000144
Filing Date
2020-02-14
Accepted
2020-02-13 17:59:56
Documents
1

Document Format Files

Seq Description Document Type Size
1 SEC SCHEDULE 13G SEC13G_Filing.htm SC 13G/A 19433
  Complete submission text file 0000912938-20-000144.txt   21017
Mailing Address 111 HUNTINGTON AVENUE 24TH FLOOR BOSTON MA 02199
Business Address 111 HUNTINGTON AVENUE 24TH FLOOR BOSTON MA 02199 18006372929
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ (Filed by) CIK: 0000912938 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000

Mailing Address 6316 WINDFERN HOUSTON TX 77040
Business Address STRAWINSKYLAAN 913 TOWER A, LEVEL 9 1077 XX AMSTERDAM P7 1077 XX 3124203191
CORE LABORATORIES N V (Subject) CIK: 0001000229 (see all company filings)

IRS No.: 000000000 | State of Incorp.: P7 | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-52559 | Film No.: 20612490
SIC: 1389 Oil & Gas Field Services, NEC