Structured intelligence coverage

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Profile

Identity, professional record and current appointments.

Overview

Professional record at a glance

A concise summary of information supported by the cited public sources. Missing information is treated as unknown, not as a negative finding.

Current roles
22 current organizations shown on this profile
Board positions
22 supported by public sources, 0 supplied by the profile owner
Committee roles
Not establishedNo committee role is currently confirmed by the cited sources
Qualifications
Not establishedNo qualification is currently confirmed by the cited sources

Professional narrative

About

Has served as CEO of CARCON Industries and Construction since 2000 and is also the founder and CEO of Southwestern Testing Laboratories (STL Engineers) since 2003. She is currently a member of the board of directors of Vistra Corporation.

Sources are shown with the information they support.

Current roles

Appointments & responsibilities

Board appointments

Governance

Board appointments, committee responsibilities and disclosed relationships.

Committee appointments across companies · Temporarily unavailable

Structured records for this section are unavailable. This does not establish that no records exist. Published profile sources remain in Evidence & History.

Board and advisory record

Board service

Sources are shown with each role, education record, or credential.

Director

Magnolia Oil & Gas Corp

2017-01-01 · current

Confirmed by public sourceView source

Independent Director

Vistra Corp.

Current · start date not disclosed

Confirmed by public sourceView source

Connections

Explore the roles, education and affiliations published in this record.

Magnolia Oil & Gas Corp

Open Magnolia Oil & Gas Corp profile →

Director at Magnolia Oil & Gas Corp

2017-01-01 → End not stated

current · source reported

Observed: 2026-09-24

Magnolia Oil & Gas…Magnolia Oil & Gas CorpVistra Corp.Vistra Corp.Arcilia C. Acosta

Dashed lines mark past roles. Select a connection to see its dates and sources.

Relationship map

Connected through the public record

Direct relationships from verified facts and published résumé records. Private connections are excluded.

Direct public links only

Only published affiliations are shown here. Private relationships require authorized access.

Experience

Career history, education, credentials and public contributions.

Published record

Featured coverage

Selected publications and public sources used to establish this profile. Inclusion records provenance; it is not an endorsement.

Source 1 · Sec ProxyPublic profile sourceSupports Director at Magnolia Oil & Gas Corp (NYSE: MGY).Open sourceSource 2 · Sec FilingVistra Corp. director board sourceSupports Board membership, Committee assignments, Board independence.Open sourceSource 3 · Sec FilingMGY 10-K executive officersSupports AI and ML experience, Cybersecurity experience, Executive company, Executive title, Other Company Role, Technology background.Open source

Basis

Identifiers, sources, dates and record limitations.

Identifiers

Alpha ID
alpha:person:arcilia-c-acosta
Record version
public-0

Published evidence records

6 evidence records, matching Agent View. Records may refer to different locations or observations in the same document. This count is not a count of independent corroborating sources.

  1. Open source

    sec proxy · Source published: Mar 24, 2026 · Retrieved: Jul 12, 2026

    Supports 1 claim
    • Professional Role: Director at Magnolia Oil & Gas Corp · Claim reviewed: May 15, 2026

  2. Vistra Corp. director board source

    sec filing · Source published: Mar 18, 2026 · Retrieved: May 3, 2026

    Supports 3 claims
    • Board independence: Independent director · Claim reviewed: May 3, 2026
    • Board membership: Serves on the board of Vistra Corp. · Claim reviewed: May 3, 2026
    • Committee assignments: No committee assignment disclosed in the cited filing · Claim reviewed: May 3, 2026

  3. Open source

    sec proxy · Source published: Mar 18, 2026 · Retrieved: Mar 21, 2026

    Supports 1 claim
    • Professional Role: Independent Director at Vistra Corp. · Claim reviewed: May 15, 2026

  4. MGY 10-K executive officers

    sec filing · Source published: Feb 12, 2026 · Retrieved: May 15, 2026

    Supports 6 claims
    • AI and ML experience: AI and ML experience: not identified in the cited filing · Claim reviewed: May 15, 2026
    • Cybersecurity experience: Cybersecurity experience: not identified in the cited filing · Claim reviewed: May 15, 2026
    • Executive company: Executive at Magnolia Oil & Gas Corp · Claim reviewed: May 15, 2026
    • Executive title: Executive title: Director · Claim reviewed: May 15, 2026
    • Other Company Role: Arcilia C. Acosta is also linked to CARCON Industries and Construction as Chief Executive Officer. · Claim reviewed: May 15, 2026
    • Technology background: Technology background: not identified in the cited filing · Claim reviewed: May 15, 2026

  5. Open source

    public source · Source published: Date unavailable · Retrieved: Date unavailable

    Supports 1 claim
    • Board membership: Serves on the board of Magnolia Oil & Gas Corp · Claim reviewed: May 15, 2026

  6. Open source

    public source · Source published: Date unavailable · Retrieved: Date unavailable

    Supports 1 claim
    • Board membership: Serves on the board of Vistra Corp. · Claim reviewed: May 3, 2026

Sources

Sources and published information

Each item links to the public source used to support it. When sources disagree, the item is clearly marked for review.

AI and ML experience · Source reportedAI and ML experience: not identified in the cited filing1 source
Verification
Source reported
Confidence
72%
Last reviewed
May 15, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

Board independence · Source reportedIndependent director1 source
Verification
Source reported
Confidence
95%
Last reviewed
May 3, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

Board membership · Source reportedServes on the board of Magnolia Oil & Gas Corp1 source
Verification
Source reported
Confidence
Not stated
Last reviewed
Not stated
Board membership · CorroboratedServes on the board of Vistra Corp.Supported by 2 public records2 sources
Verification
Corroborated
Confidence
95%
Last reviewed
May 3, 2026
Committee assignments · Source reportedNo committee assignment disclosed in the cited filing1 source
Verification
Source reported
Confidence
95%
Last reviewed
May 3, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

Cybersecurity experience · Source reportedCybersecurity experience: not identified in the cited filing1 source
Verification
Source reported
Confidence
72%
Last reviewed
May 15, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

Executive company · Source reportedExecutive at Magnolia Oil & Gas Corp1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 15, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

Executive title · Source reportedExecutive title: Director1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 15, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

Other Company Role · Source reportedArcilia C. Acosta is also linked to CARCON Industries and Construction as Chief Executive Officer.1 source
Verification
Source reported
Confidence
70%
Last reviewed
May 15, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

Technology background · Source reportedTechnology background: not identified in the cited filing1 source
Verification
Source reported
Confidence
72%
Last reviewed
May 15, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

View all sources6 records
  1. https://www.sec.gov/Archives/edgar/data/1698990/000110465926033837/mgy-20260508xdef14a.htm

    Sec Proxy · Tier not stated · Reviewed Jul 12, 2026

    Supports: Director at Magnolia Oil & Gas Corp (NYSE: MGY)

  2. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

    Supports: Board membership · Committee assignments · Board independence

  3. https://www.sec.gov/Archives/edgar/data/1692819/000162828026019029/vistra-20260318.htm

    Sec Proxy · Tier not stated · Reviewed Mar 21, 2026

    Supports: Independent Director at Vistra Corp. (NYSE: VST)

  4. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

    Supports: AI and ML experience · Cybersecurity experience · Executive company · Executive title · Other Company Role · Technology background

  5. https://www.sec.gov/Archives/edgar/data/1698990/000110465926033837/mgy-20260508xdef14a.htm

    Public Source · Tier not stated · Reviewed Not stated

    Supports: Board membership

  6. https://www.sec.gov/Archives/edgar/data/1692819/000162828026019029/vistra-20260318.htm

    Public Source · Tier not stated · Reviewed Not stated

    Supports: Board membership