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ATS-N/OFA

Form ATS-N/OFA order display and fair access amendments

Form ATS-N/OFA: an amendment to Form ATS-N about order display and fair access obligations, under Rule 304(a)(2)(i)(D).

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32filings on EDGAR
2022first filed
7filed in 2026
2026-10-05latest filing
curl -H "Authorization: Bearer $SECFEED_KEY" \
  "https://secfeedapi.com/v1/filings?query=formType:%22ATS-N/OFA%22&size=2"
import os, requests

r = requests.get(
    "https://secfeedapi.com/v1/filings",
    params={'query': 'formType:"ATS-N/OFA"', 'size': '2'},
    headers={"Authorization": f"Bearer {os.environ['SECFEED_KEY']}"},
)
print(r.json())

What is ATS-N/OFA?

When an NMS stock ATS crosses the volume thresholds that trigger order display or fair access requirements under Regulation ATS, it must amend Form ATS-N to describe how it complies. EDGAR tags these ATS-N/OFA.

They are rare: about 30 since 2022.

Who files

NMS stock ATSs subject to order display or fair access obligations.

When it is filed

When the obligations apply or change.

Filings per year

Every ATS-N/OFA filing on EDGAR, counted from the SecFeed index. Updated daily.

2022: 4 filings2023: 4 filings2024: 2 filings2025: 15 filings2026: 7 filings202220252026

What is inside

SectionContents
Order displayHow orders are displayed to the public quote, if required.
Fair accessStandards for granting and denying access.

Get ATS-N/OFA data with SecFeed

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Latest ATS-N/OFA filings

CompanyFormFiled
BLUE OCEAN ATS, LLCATS-N/OFA2026-10-05EDGAR ↗
BNP PARIBAS SECURITIES CORP.ATS-N/OFA2026-09-14EDGAR ↗
BNP PARIBAS SECURITIES CORP.ATS-N/OFA2026-05-14EDGAR ↗
INTELLIGENT CROSS LLCATS-N/OFA2026-03-05EDGAR ↗
BLUE OCEAN ATS, LLCATS-N/OFA2026-02-27EDGAR ↗
BLUE OCEAN ATS, LLCATS-N/OFA2026-01-06EDGAR ↗
INTELLIGENT CROSS LLCATS-N/OFA2026-01-05EDGAR ↗
BLUE OCEAN ATS, LLCATS-N/OFA2025-12-31EDGAR ↗

Use cases

Related forms

ATS-NAlternative trading system disclosure

Form ATS-N disclosures of dark pools and other NMS stock alternative trading systems: order types, fees, segmentation and operator conflicts.

ATS-N/UAATS-N updating amendment

Form ATS-N/UA: an updating amendment to an NMS stock alternative trading system's Form ATS-N, required under Rule 304(a)(2)(i)(B).

FAQ

What triggers an ATS-N/OFA?

Reaching trading volume thresholds that make Regulation ATS order display or fair access rules apply.

How common is it?

Rare, around 30 filings since 2022.

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