MIG HOLDINGS LLC, MADISON INTERNATIONAL INSURANCE COMPANY, I.I., MIICI EMPLOYEES, LLC, MADISON RE HOLDING COMPANY, INC. and MADISON RE INTERNATIONAL INSURER v. MARK SIMS, ARAN QUINN, MARK BARWICK, JOHN BLOOM, MOUAD BOUGHAMZA, ANN MARIE CHAMBLISS, TIERRE EMERSON, CARTER SIMS, JOHN CHONG, and REESE ATTAR

District Court, D. Puerto Rico·Decided August 14, 2026·No. 3:26-cv-01480·Unknown

Opinion

THE UNITED STATES DISTRICT COURT FOR THE DISTRICT OF PUERTO RICO

MIG HOLDINGS LLC, Case No. 26-CV-1480 (MAJ) MADISON INTERNATIONAL INSURANCE COMPANY, I.I., MIICI EMPLOYEES, LLC, MADISON RE HOLDING COMPANY, INC. and MADISON RE INTERNATIONAL INSURER

Plaintiffs,

v.

MARK SIMS, ARAN QUINN, MARK BARWICK, JOHN BLOOM, MOUAD BOUGHAMZA, ANN MARIE CHAMBLISS, TIERRE EMERSON, CARTER SIMS, JOHN CHONG, and REESE ATTAR

Defendants.

OPINION AND ORDER I. INTRODUCTION. Before the Court is the Urgent Motion for Temporary Restraining Order and/or Preliminary Injunctive Relief (the “Motion”) filed by Plaintiffs MIG Holdings LLC (“MIG Holdings”), Madison International Insurance Company, I.I. (“MIICII”), MIICI Employees, LLC, Madison Re Holding Company, Inc. (“MadReH”), and Madison Re International Insurer (“MadReII”) (collectively, “Madison” or “Plaintiffs”). See (ECF No. 12). Madison moves pursuant to Rule 65 of the Federal Rules of Civil Procedure, the Defend Trade Secrets Act of 2016 (“DTSA”), 18 U.S.C. §§ 1836 et seq., and the Industrial and Trade Secret Protection Act of Puerto Rico, Act No. 80 of June 3, 2011, as amended (“ITSPA”), P.R. Laws Ann. tit. 10 §§ 4131 et seq., against Defendants Mark Sims, Aran Quinn (“Quinn”), Mark Barwick, John Bloom, Mouad Boughamza, Ann Marie Chambliss, Tierre Emerson, Carter Sims, John Chong, and Reese Attar (collectively, “Defendants”). Madison requests an order (i) restraining Defendants from further acquiring, using, disclosing, transmitting, copying, or destroying Madison’s trade secrets and confidential information; (ii) restraining Defendants from exploiting that information to solicit or service Madison’s clients, referral sources, prospects, and personnel; (iii) restraining any attempted access to Madison’s systems, accounts, databases, and cloud environments; (iv)

requiring the immediate return, preservation, and non-destructive forensic inspection of Madison-owned devices and materials; (v) requiring preservation of all potentially relevant electronically stored information; (vi) authorizing narrowly tailored expedited discovery; and (vii) setting a preliminary-injunction hearing at the earliest practicable date. Madison separately seeks enforcement of the restrictive covenants of its former President, Mark Sims. (ECF No. 12). The Motion is supported by the Verified Complaint, sworn under penalty of perjury, and by the exhibits accompanying the Motion. See Fed. R. Civ. P. 65(b)(1)(A) (providing that a temporary restraining order may issue where “specific facts in an affidavit or a verified complaint clearly show” entitlement to relief). Because the Verified Complaint and its supporting exhibits are of record and are incorporated herein by reference, the Court

does not restate the factual background, and refers to the record only as necessary to its analysis. On August 13, 2026, the Court issued an order denying Plaintiffs’ Motion under Local Rule 65 for failure to include a proposed order. (ECF No. 16). Later that day, Plaintiffs submitted a Motion for Reconsideration, attaching a proposed order granting the emergency relief requested. Accordingly, the Court’s Order at ECF No. 16 is hereby Order at ECF No. 12. For the reasons set forth below, the Motion for a Temporary Restraining Order is GRANTED IN PART AND DENIED IN PART. II. FACTUAL BACKGROUND.

According to the Verified Complaint and the exhibits submitted in support of the Request for TRO,1 Plaintiffs are affiliated entities engaged in the enterprise-risk and international insurance business in and from Puerto Rico, operating through, among other offerings, a segregated asset plan business model. (ECF No. 1 ¶¶ 83–84). Defendant Mark Sims served as Madison’s President. (ECF No. 1 ¶¶ 34–39). Quinn served as Madison’s outside counsel for approximately six years. (ECF No. 1 ¶ 16). The remaining Defendants, Barwick, Bloom, Boughamza, Ann Marie Chambliss, Emerson, C. Sims, Chong, and Attar, were senior Madison employees occupying underwriting, operations, marketing, and business-development functions. (ECF No. 1 ¶¶ 17–23). Madison alleges that, in the weeks preceding their departures, Defendants extracted client lists, contact and policy information, actuarial and portfolio analyses, underwriting and risk-profiling guidelines, pricing models, and proprietary business strategies, for the purpose of constructing an international insurer that replicates Madison’s business model and targets its customers. (ECF No. 1 ¶ 8). Between May 19 and May 28, 2026, Defendant Carter Sims is alleged to have used his Madison credentials to extract approximately 10,570

kilobytes of confidential Salesforce data, an assembled compilation of some 12,111 entries linking identified accounts to referral sources and policy information. (ECF No. 1 ¶¶ 52– 53); (ECF No. 12, Ex. A). On July 7, 2026, Mark Sims is alleged to have solicited Madison’s clients (obtained from Madison’s confidential and trade secret client list) from an ARCA email address, announcing his forthcoming departure, inviting recipients to contact him, and promoting a “Virtual ARCA Town Hall.” (ECF No. 1 ¶¶ 15, 65–66); (ECF No. 12, Ex. B). That same morning, Mark Sims submitted his resignation. (ECF No. 1 ¶ 60); (ECF No. 12, Ex. C). Within approximately twenty minutes, seven additional employees—Carter Sims, Chong, Emerson, Chambliss, Barwick, Boughamza, and Bloom—resigned as well. (ECF No. 1 ¶¶ 61–64); (ECF No. 12, Exs. D–J). Madison deactivated their system access. That evening, Mark Sims is alleged to have circulated to Madison’s clients a second announcement

introducing ARCA’s leadership team, composed of the same employees who had resigned hours earlier. (ECF No. 1 ¶¶ 70–71). Quinn is alleged to have terminated his representation of Madison and, within thirty- seven days of that termination, to have incorporated ARCA and installed himself as its President and Secretary. (ECF No. 1 ¶¶ 51, 57–59, Exs. 2). Madison further alleges that Mark Sims supported ARCA’s formation while still employed by Madison, including by developing ARCA’s website through Madison’s own branding vendor and by recruiting Madison’s key personnel, and that ARCA’s investor materials, five-year forecast, and

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MIG HOLDINGS LLC, MADISON INTERNATIONAL INSURANCE COMPANY, I.I., MIICI EMPLOYEES, LLC, MADISON RE HOLDING COMPANY, INC. and MADISON RE INTERNATIONAL INSURER v. MARK SIMS, ARAN QUINN, MARK BARWICK, JOHN BLOOM, MOUAD BOUGHAMZA, ANN MARIE CHAMBLISS, TIERRE EMERSON, CARTER SIMS, JOHN CHONG, and REESE ATTAR, (prd 2026).

MIG HOLDINGS LLC, MADISON INTERNATIONAL INSURANCE COMPANY, I.I., MIICI EMPLOYEES, LLC, MADISON RE HOLDING COMPANY, INC. and MADISON RE INTERNATIONAL INSURER v. MARK SIMS, ARAN QUINN, MARK BARWICK, JOHN BLOOM, MOUAD BOUGHAMZA, ANN MARIE CHAMBLISS, TIERRE EMERSON, CARTER SIMS, JOHN CHONG, and REESE ATTAR (MIG HOLDINGS LLC, MADISON INTERNATIONAL INSURANCE COMPANY, I.I., MIICI EMPLOYEES, LLC, MADISON RE HOLDING COMPANY, INC. and MADISON RE INTERNATIONAL INSURER v. MARK SIMS, ARAN QUINN, MARK BARWICK, JOHN BLOOM, MOUAD BOUGHAMZA, ANN MARIE CHAMBLISS, TIERRE EMERSON, CARTER SIMS, JOHN CHONG, and REESE ATTAR) — published by Counsel Stack Legal Research, free access to 12M+ legal documents.

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