EDGAR Filing Documents for 0001193125-21-074937

Form 8-K - Current report:

SEC Accession No. 0001193125-21-074937

Filing Date

2021-03-09

Accepted

2021-03-09 16:37:06

Documents

Period of Report

2021-03-09

Items

Item 1.01: Entry into a Material Definitive Agreement
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq	Description	Document	Type	Size
1	8-K	d56742d8k.htm iXBRL	8-K	35458
2	EX-4.1	d56742dex41.htm	EX-4.1	18918
3	EX-4.2	d56742dex42.htm	EX-4.2	60412
4	EX-4.3	d56742dex43.htm	EX-4.3	29714
5	EX-4.4	d56742dex44.htm	EX-4.4	30396
6	EX-4.5	d56742dex45.htm	EX-4.5	30018
7	EX-4.6	d56742dex46.htm	EX-4.6	68879
8	EX-4.7	d56742dex47.htm	EX-4.7	68763
9	EX-4.8	d56742dex48.htm	EX-4.8	69840
	Complete submission text file	0001193125-21-074937.txt		668785

Data Files

Seq	Description	Document	Type	Size
10	XBRL TAXONOMY EXTENSION SCHEMA	ato-20210309.xsd	EX-101.SCH	3800
11	XBRL TAXONOMY EXTENSION DEFINITION LINKBASE	ato-20210309_def.xml	EX-101.DEF	13431
12	XBRL TAXONOMY EXTENSION LABEL LINKBASE	ato-20210309_lab.xml	EX-101.LAB	21831
13	XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE	ato-20210309_pre.xml	EX-101.PRE	14204
14	EXTRACTED XBRL INSTANCE DOCUMENT	d56742d8k_htm.xml	XML	4304

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