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Finding Early Delisting Signals in SEC Filings

Article Quant Q&A · Author: uday
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Summary

The document discusses how to identify US stocks and ETFs that may be delisted soon after an announcement, rather than waiting for the effective date. Its suggested starting point is SEC EDGAR: search relevant filing types, including merger proxy filings, and parse the results for candidate events. The approach is a data collection workflow, not a ready-made alert service, and it may require manual review.

The examples in the question illustrate why announcement and delisting dates must be distinguished. The answer notes that one cited filing appeared after the related merger announcement, and that effective delisting dates can be uncertain. As a result, filing dates alone may not provide a clean or timely signal. The document gives no measured coverage or accuracy for this approach, and the examples are not independently validated; researchers would need to check filings and event timelines before using the data in trading or research.

Key ideas

  • SEC EDGAR filings can help identify corporate events associated with possible delistings.
  • Searching relevant filing types can provide a starting point for building an alert workflow.
  • Filing dates may lag the original announcement, so they do not always mark when information first became public.
  • Effective delisting dates can be uncertain and should not be treated as fixed signals.

Tags

EquitiesEvent-drivenUS markets
Full text
# Where can I get alerts for future delisting?


# Where can I get alerts for future delisting?












Suppose I have a large universe of US stocks and ETFs (3000). Is there any site where I can get free information for tickers that are delisting ?

E.g. recently:

(1) on 9/18/2015, Broadcom (BRCM) announced delisting for effective date 12/31/2016

(2) on 9/17/2015, Ryland Group (RYL) announced delisting for effective date 10/02/2015

(3) on 9/17/2015, Crestwood Midstream (CMLP) announced delisting for effective date 10/01/2015

I can parse websites too.

I'm just looking for information that becomes available on the same day or within 1-2 days of the announcement date (not around the effective date)

## Answer by amsh (score 4, accepted)

https://quant.stackexchange.com/a/20939

You should have this information freely available on EDGAR. It is going to require some parsing and probably human verification (it's not a lot of data). You can query by filing type (i.e DEFM14A / DEFM14C for M&A).

** I'm not sure how accurate your examples are, for instance Broadcom's DEFM14A was filed on 9/28/2015, the M&A announcement was made on May/2015. Moreover (AFAIK), the effective delisting dates are uncertain.

Shown in full with attribution under the source's licence. Licence: CC BY-SA 4.0 (Stack Exchange)

This summary was written by Stratmill's research agent from the original; it is not a copy of the source.