STOCK TITAN

[Form 4] HilleVax, Inc. Insider Trading Activity

Filing Impact
(Low)
Filing Sentiment
(Neutral)
Form Type
4

Julie Gerberding, a director of HilleVax, Inc. (HLVX), reported a sale of 59,224 shares of the companys common stock on 09/17/2025 in connection with a completed merger transaction. The sale occurred as part of a tender offer and merger by XOMA Royalty Corporation and its subsidiary, which paid $1.95 in cash per share plus one contingent value right (CVR) per share. At the effective time of the merger, Merger Sub merged into HilleVax and HilleVax became a wholly owned subsidiary of the parent. Also, outstanding restricted stock units vested immediately prior to the effective time and were canceled in exchange for cash equal to $1.95 per underlying share and one CVR per underlying share.

Julie Gerberding, membro del consiglio di HilleVax, Inc. (HLVX), ha comunicato la vendita di 59.224 azioni ordinarie della società il 17/09/2025, nell’ambito di una fusione conclusa. La vendita si è verificata nell’ambito di un’offerta pubblica di acquisto e fusione promossa da XOMA Royalty Corporation e dalla sua controllata, che ha pagato $1,95 in contanti per azione più un CVR per azione. Al momento effettivo della fusione, la Merger Sub si è fusa in HilleVax e HilleVax è diventata una controllata interamente posseduta dalla capogruppo. Inoltre, le unità azionarie vincolate pendenti hanno maturato immediatamente prima del momento effettivo e sono state annullate in cambio di contanti pari a $1,95 per azione sottostante e una CVR per azione sottostante.

Julie Gerberding, directora de HilleVax, Inc. (HLVX), reportó la venta de 59.224 acciones de las acciones comunes de la empresa el 17/09/2025 en relación con una fusión completada. La venta se realizó como parte de una oferta de tenders y una fusión por parte de XOMA Royalty Corporation y su subsidiaria, que pagaron $1.95 en efectivo por acción más un CVR por acción. En el momento efectivo de la fusión, Merger Sub se fusionó con HilleVax y HilleVax pasó a ser una subsidiaria 100% propiedad de la matriz. Además, las unidades de stock restringidas vigentes vencieron inmediatamente antes del momento efectivo y fueron canceladas a cambio de efectivo equivalente a $1.95 por acción subyacente y un CVR por acción subyacente.

줄리 거버딩(Julie Gerberding), 힐리벡스(HilleVax, Inc.; HLVX) 이사의 보고에 따르면 2025년 9월 17일 회사의 보통주 59,224주 매각이 완료된 합병 거래와 관련해 이루어졌습니다. 이 매각은 XOMA 로열티 코퍼레이션과 그 자회사가 실시한 현금 매입 공모 및 합병의 일부로 주당 1.95달러 현금 및 주당 1개의 CVR(가치권)을 지급했습니다. 합병의 유효 시점에 Merger Sub가 HilleVax에 합병되었고 HilleVax는 모회사의 전액 출자 자회사로 남았습니다. 또한 유효 시점 직전에 미보유 제한 주식 단위가 즉시 효력을 발생해 현금 $1.95와 각 기초 주식당 하나의 CVR로 상환 취소되었습니다.

Julie Gerberding, directrice de HilleVax, Inc. (HLVX), a signalé la vente de 59 224 actions ordinaires de la société le 17/09/2025 dans le cadre d’une opération de fusion achevée. La vente a eu lieu dans le cadre d’une offre publique d’achat et d’une fusion effectuées par XOMA Royalty Corporation et sa filiale, qui ont payé 1,95 $ en espèces par action, plus un droit conditionnel de valeur (CVR) par action. À l’heure effective de la fusion, Merger Sub s’est fusionée dans HilleVax et HilleVax est devenue une filiale entièrement détenue par la société mère. De plus, les unités d’actions restreintes en circulation ont acquis immédiatement leur droit à l’exercice juste avant l’heure effective et ont été annulées en échange d’un argent équivalant à 1,95 $ par action sous-jacente et d’un CVR par action sous-jacente.

Julie Gerberding, Direktorin von HilleVax, Inc. (HLVX), meldete den Verkauf von 59.224 Stammaktien des Unternehmens am 17.09.2025 im Zusammenhang mit einer abgeschlossenen Fusions-transaktion. Der Verkauf erfolgte im Rahmen eines Übernahmewerts und einer Fusion durch XOMA Royalty Corporation und ihre Tochtergesellschaft, die 1,95 USD in bar pro Aktie sowie eine bedingte Wertrechte (CVR) pro Aktie zahlten. Zum Zeitpunkt des Wirksamwerdens der Fusion verschmolz Merger Sub mit HilleVax, und HilleVax wurde eine hundertprozentige Tochtergesellschaft des Mutterunternehmens. Außerdem verjährten die ausstehenden eingeschränkten Aktienwerte unmittelbar vor dem Wirksamkeitszeitpunkt und wurden im Austausch gegen Bargeld in Höhe von 1,95 USD pro zugrunde liegender Aktie sowie einen CVR pro zugrunde liegender Aktie storniert.

أفادت جولِي جربردين، مديرة في هيلليفـاكس، إنف. (HLVX)، ببيع 59,224 سهماً من أسهم الشركة العادية في 17/09/2025 في سياق صفقة اندماج مكتملة. وقع البيع كجزء من عرض استيلاء وتوحيد من قبل شركة XOMA Royalty Corporation وش its التابعة، التي دفعت 1.95 دولاراً نقداً لكل سهم إضافة إلى حق قيمة معلق (CVR) لكل سهم. عند الوقت الفعّال للاندماج، اندمجت Merger Sub في HilleVax وأصبحت HilleVax شركة فرعية مملوكة بالكامل من الأم. كما أن وحدات الأسهم المقيدة القائمة كانت مُكتسبة الأحقية فوراً قبل الوقت الفعّال وتم إلغاؤها مقابل نقد يساوي 1.95 دولاراً لكل سهم أساسي وCVR واحد لكل سهم أساسي.

Julie Gerberding,HilleVax, Inc.(HLVX)董事,报告在完成合并交易的背景下于2025-09-17出售公司普通股58,224股。 此次出售是XOMA Royalty Corporation及其子公司进行的要约收购与合并的一部分,支付每股1.95美元现金外加每股一个CVR(或称为或有权证)。在合并生效时,合并子公司并入HilleVax,HilleVax成为母公司全资子公司。此外,尚未行使的限制性股票单位在生效日前即行使,随后被取消,按每股基础股票1.95美元现金及每股1个CVR进行对价。

Positive
  • Merger completed with clear per-share cash consideration of $1.95 plus one CVR per share
  • RSUs fully vested and settled at closing, providing immediate cash and CVR consideration to holders
Negative
  • Reporting persons beneficial ownership reduced to 0 shares following the reported disposition
  • Consideration includes CVRs, which are contingent and potentially introduce uncertainty about total value received

Insights

TL;DR: Transaction reflects routine equity treatment in an acquisition; insider holdings converted and RSUs settled for merger consideration.

The Form 4 discloses a director-level disposition of 59,224 common shares concurrent with a tender offer and merger. The filing indicates standard contractual treatment: cash per share of $1.95 and issuance of CVRs, with RSUs vesting and converting into cash and CVRs at the same per-share terms. From a governance perspective, this appears to be a contractual execution of change-of-control provisions rather than an opportunistic insider sale; the reporting persons post-transaction beneficial ownership is shown as zero. The filing is procedural, documenting required disclosure obligations following the merger closing.

TL;DR: Completed acquisition by XOMA Royalty Corp. paid $1.95 per share plus CVRs; RSUs accelerated and settled at closing.

The document confirms a completed tender offer and subsequent merger effective 09/17/2025, with Merger Sub merging into HilleVax and HilleVax continuing as a wholly owned subsidiary of XOMA Royalty Corporation. Consideration to shareholders consisted of $1.95 cash per share plus one contingent value right per share. The immediate vesting and cancellation of RSUs in exchange for per-share cash and CVRs is consistent with customary deal mechanics to convert outstanding equity awards into deal consideration. This is material to holders because it documents the final execution of the transaction and the settlement mechanics for equity awards.

Julie Gerberding, membro del consiglio di HilleVax, Inc. (HLVX), ha comunicato la vendita di 59.224 azioni ordinarie della società il 17/09/2025, nell’ambito di una fusione conclusa. La vendita si è verificata nell’ambito di un’offerta pubblica di acquisto e fusione promossa da XOMA Royalty Corporation e dalla sua controllata, che ha pagato $1,95 in contanti per azione più un CVR per azione. Al momento effettivo della fusione, la Merger Sub si è fusa in HilleVax e HilleVax è diventata una controllata interamente posseduta dalla capogruppo. Inoltre, le unità azionarie vincolate pendenti hanno maturato immediatamente prima del momento effettivo e sono state annullate in cambio di contanti pari a $1,95 per azione sottostante e una CVR per azione sottostante.

Julie Gerberding, directora de HilleVax, Inc. (HLVX), reportó la venta de 59.224 acciones de las acciones comunes de la empresa el 17/09/2025 en relación con una fusión completada. La venta se realizó como parte de una oferta de tenders y una fusión por parte de XOMA Royalty Corporation y su subsidiaria, que pagaron $1.95 en efectivo por acción más un CVR por acción. En el momento efectivo de la fusión, Merger Sub se fusionó con HilleVax y HilleVax pasó a ser una subsidiaria 100% propiedad de la matriz. Además, las unidades de stock restringidas vigentes vencieron inmediatamente antes del momento efectivo y fueron canceladas a cambio de efectivo equivalente a $1.95 por acción subyacente y un CVR por acción subyacente.

줄리 거버딩(Julie Gerberding), 힐리벡스(HilleVax, Inc.; HLVX) 이사의 보고에 따르면 2025년 9월 17일 회사의 보통주 59,224주 매각이 완료된 합병 거래와 관련해 이루어졌습니다. 이 매각은 XOMA 로열티 코퍼레이션과 그 자회사가 실시한 현금 매입 공모 및 합병의 일부로 주당 1.95달러 현금 및 주당 1개의 CVR(가치권)을 지급했습니다. 합병의 유효 시점에 Merger Sub가 HilleVax에 합병되었고 HilleVax는 모회사의 전액 출자 자회사로 남았습니다. 또한 유효 시점 직전에 미보유 제한 주식 단위가 즉시 효력을 발생해 현금 $1.95와 각 기초 주식당 하나의 CVR로 상환 취소되었습니다.

Julie Gerberding, directrice de HilleVax, Inc. (HLVX), a signalé la vente de 59 224 actions ordinaires de la société le 17/09/2025 dans le cadre d’une opération de fusion achevée. La vente a eu lieu dans le cadre d’une offre publique d’achat et d’une fusion effectuées par XOMA Royalty Corporation et sa filiale, qui ont payé 1,95 $ en espèces par action, plus un droit conditionnel de valeur (CVR) par action. À l’heure effective de la fusion, Merger Sub s’est fusionée dans HilleVax et HilleVax est devenue une filiale entièrement détenue par la société mère. De plus, les unités d’actions restreintes en circulation ont acquis immédiatement leur droit à l’exercice juste avant l’heure effective et ont été annulées en échange d’un argent équivalant à 1,95 $ par action sous-jacente et d’un CVR par action sous-jacente.

Julie Gerberding, Direktorin von HilleVax, Inc. (HLVX), meldete den Verkauf von 59.224 Stammaktien des Unternehmens am 17.09.2025 im Zusammenhang mit einer abgeschlossenen Fusions-transaktion. Der Verkauf erfolgte im Rahmen eines Übernahmewerts und einer Fusion durch XOMA Royalty Corporation und ihre Tochtergesellschaft, die 1,95 USD in bar pro Aktie sowie eine bedingte Wertrechte (CVR) pro Aktie zahlten. Zum Zeitpunkt des Wirksamwerdens der Fusion verschmolz Merger Sub mit HilleVax, und HilleVax wurde eine hundertprozentige Tochtergesellschaft des Mutterunternehmens. Außerdem verjährten die ausstehenden eingeschränkten Aktienwerte unmittelbar vor dem Wirksamkeitszeitpunkt und wurden im Austausch gegen Bargeld in Höhe von 1,95 USD pro zugrunde liegender Aktie sowie einen CVR pro zugrunde liegender Aktie storniert.

SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
X
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
Gerberding Julie L.

(Last) (First) (Middle)
C/O HILLEVAX, INC.
321 HARRISON AVE, SUITE 500

(Street)
BOSTON MA 02118

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
HilleVax, Inc. [ HLVX ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
09/17/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 09/17/2025 U 59,224 D (1)(2) 0 D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Explanation of Responses:
1. In connection with that certain Agreement and Plan of Merger, dated as of August 4, 2025 (the "Merger Agreement"), by and among the Issuer, XOMA Royalty Corporation ("Parent") and XRA 4 Corp., a wholly owned subsidiary of Parent ("Merger Sub" and together with Parent, the "Purchasers"), the Purchasers completed a tender offer to acquire all of the issued and outstanding shares of Common Stock of the Issuer in exchange for (a) $1.95 in cash per share (the "Cash Amount"), plus (b) one contingent value right ("CVR") representing the right to receive certain contingent cash payments equal to the "CVR Proceeds" as further described in that certain CVR Agreement entered into between the Purchasers and a representative to the CVR holders. After completion of the tender offer, Merger Sub merged with and into the Issuer, effective as of September 17, 2025 (the "Effective Time"), with the Issuer continuing as the surviving corporation and as a wholly owned subsidiary of Parent.
2. Pursuant to the terms of the Merger Agreement, immediately prior to the Effective Time, each outstanding restricted stock unit ("RSU") immediately vested in full and was canceled in exchange for the right to receive (a) an amount in cash, without interest, equal to the product obtained by multiplying (x) the Cash Amount by (y) the number of shares underlying such RSU at the Effective Time and (b) one CVR for each share underlying such RSU.
/s/ Paul Bavier, Attorney-in-Fact for Julie Gerberding 09/17/2025
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did Julie Gerberding report on Form 4 for HLVX?

She reported a disposition of 59,224 common shares on 09/17/2025 in connection with the merger transaction.

What cash price did HilleVax shareholders receive in the transaction?

Shareholders received $1.95 in cash per share as part of the tender offer consideration.

Were there any contingent payments included in the deal?

Yes. Each share was exchanged for one contingent value right (CVR) representing potential additional cash payments.

What happened to outstanding RSUs at closing?

All outstanding restricted stock units vested immediately prior to the effective time and were canceled in exchange for $1.95 per underlying share in cash and one CVR per underlying share.

When did the merger become effective?

The merger became effective on 09/17/2025, the same date reflected for the reported transaction.
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