Armenta v. WillScot Mobile Mini Holdings Corporation

District Court, D. Arizona·Decided September 15, 2025·No. 2:25-cv-00407·Unknown

Opinion

WO

Ariel Armenta, No. CV-25-00407-PHX-MTL

Plaintiff, ORDER

v.

WillScot Mobile Mini Holdings Corporation, et al., Defendants. Plaintiff Ariel Armenta, individually and as a representative of a class of participants and beneficiaries of the WillScot Mobile Mini 401(k) Plan (the “Plan”), brings this action against Defendant WillScot Mobile Mini Holdings Corporation (“WillScot”),1 fiduciary to the Plan, for breach of the Employment Retirement Income Security Act of 1974, 29 U.S.C. § 1001, et seq. (“ERISA”). (Doc. 1 ¶¶1-5.) WillScot filed this instant motion to dismiss (Doc. 14), claiming that Armenta’s Complaint fails to state a claim as required by Rule 12(b)(6), Fed. R. Civ. P. (Doc. 14.) The motion is fully briefed. (Docs. 14, 18, 20.) For the foregoing reasons, the Court will grant in part and deny in part WillScot’s motion to dismiss.2 1 Defendant clarifies in its motion to dismiss that the proper plan is WillScot 401(k) and that “WillScot Holdings Corporation is not the Plan Sponsor and Administrator, but rather is the ultimate parent company of the Plan Sponsor and Plan Administrator, Williams Scotsman, Inc.,” which will need to be amended if Armenta’s Complaint survives. (Doc. 14 at 2 n.1.) Armenta does not contest these assertions. (See Doc. 18.) To avoid confusion, the Court assumes the facts in the Complaint as true, see Cousins v. Lockyer, 568 F.3d 1063, 1067 (9th Cir. 2009), and these discrepancies do not affect the Court’s analysis. 2 The Court finds that oral argument will not assist in the resolution of the motion. See LRCiv. 7.2(f). The following facts are taken from the allegations alleged in the Complaint (Doc. 1) and documents properly subject to judicial notice.3 The Court accepts these as true for this motion to dismiss. See Cousins, 568 F.3d at 1067. The Plan is a defined contribution retirement plan and sponsored and administered by WillScot. (Doc. 1 ¶¶ 9, 17.) ERISA governs the administration of employer-sponsored benefit plans and “protect the interests of the participants in these plans and their designated beneficiaries and [provides] employers with uniform guidelines and rules regarding the administration of benefit plans.” Metro. Life Ins. Co. v. Parker, 436 F.3d 1109, 1111 (9th Cir. 2006). “The plan administrator is a fiduciary charged with the duty to administer the benefit plan in accordance with the documents and instruments governing the plan insofar as such documents and instruments are consistent with ERISA.” Id. (citation modified). The Plan incurs administrative expenses for services such as recordkeeping, accounting, legal services, and other services related to administering the Plan. (Doc. 1 ¶ 23.) The Plan was and is funded by a combination of wage withholdings by Plan participants and WillScot matching contributions. (Id. ¶ 25.) WillScot paid matching contributions based on the participant’s contributions, which were accrued throughout a calendar year to the Plan trustee. (Id. ¶¶ 26-27.) Once deposited into the Plan’s trust fund, the contributions become assets of the Plan. (Id. ¶¶ 28.) Plan participants become immediately vested into their own contributions and any earnings from these contributions. (Id. ¶ 29.) Participants vested in the WillScot contributions and earnings from them based on tenure with the employer, which typically

3 WillScot attaches the Plan documents as Exhibits A through F (Doc. 14-1) to its motion to dismiss, which the Armenta consents for the Court to take judicial notice. (Doc. 18 at 3 n.2.) The Court will take judicial notice of these because they are incorporated by reference in Armenta’s Complaint and not subject to reasonable dispute. Sievert v. Knight-Swift Transp. Holdings, Inc., 780 F. Supp. 3d 870, 875 (D. Ariz. 2025) (“[U]nder the incorporation by reference doctrine, a district court may consider documents whose contents are alleged in a complaint and whose authenticity no party questions, but which are not physically attached to the [plaintiff’s] pleading.” (citation modified)). Armenta also asks the Court to take judicial notice of the Plan’s Form 5500 filed with the Department of Labor and a brief filed by the Department of Labor. (Doc. 18 at 3 n.2; Doc. 18-2.) The Court will take judicial notice of these exhibits because they are public documents, and the contents are not disputed. See Sievert, 780 F. Supp 3d at 875. ranged from four to six years before becoming fully vested. (Id.) If a Plan participant terminated employment with WillScot before becoming fully vested in the WillScot matching contributions, the participant forfeited the value of these contributions and any additional earnings from them (the “forfeitures”). (Id. ¶ 30.) These forfeitures were used by the Plan administrator to pay for both administrative expenses and to reduce WillScot’s future matching contribution obligation. (Id. ¶ 30, 31.) The Plan documents govern the process for how the forfeitures were to be allocated. Armenta alleges that WillScot, as the Plan administrator, breached its fiduciary duties outlined in ERISA and engaged in self-dealing and transactions prohibited by the statute by improperly allocating the forfeitures. (Id. ¶¶1-5.) A motion to dismiss under Federal Rule of Civil Procedure 12(b)(6) “tests the legal sufficiency of a claim.” Navarro v. Block, 250 F.3d 729, 732 (9th Cir. 2001). A district court may dismiss claims lacking a cognizable legal theory or sufficient factual allegations to support a cognizable legal theory. Conservation Force v. Salazar, 646 F.3d 1240, 1242 (9th Cir. 2011). Sufficient factual allegations are those that, when taken as true, state a claim for relief that is plausible on its face. Ashcroft v. Iqbal, 556 U.S. 662, 678 (2009). Plausibility is more than mere possibility; a plaintiff must provide “more than labels and conclusions, and a formulaic recitation of the elements of a cause of action will not do.” Bell Atl. Corp. v. Twombly, 550 U.S. 544, 555 (2007). When analyzing the sufficiency of a complaint, the well-pled factual allegations “are taken as true and construed in the light most favorable to the [plaintiff].” Cousins, 568 F.3d at 1067. WillScot moves to dismiss all five of Armenta’s claims for failure to state a claim under Rule 12(b)(6), Fed. R. Civ. P. (Doc. 14.) These claims arise out of alleged violations of Sections 1104 and 1106 of ERISA. A. Counts I, II, III: Breach of Fiduciary Duties Armenta alleges three separate causes of action under 29 U.S.C. § 1104(a)(1). She alleges that WillScot breached its fiduciary duties of loyalty and prudence by allegedly violating subsections (a)(1)(A), (a)(1)(B), and (a)(1)(D). The fiduciary duty of loyalty under ERISA requires WillScot to act “for the exclusive purpose of: (i) providing benefits to participants and their beneficiaries; and (ii) defraying reasonable expenses of administering the plan.” 29 U.S.C. § 1104(a)(1)(A). ERISA requires that a fiduciary also discharge duties:

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Armenta v. WillScot Mobile Mini Holdings Corporation, (D. Ariz. 2025).

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