[SCHEDULE 13G/A] Annexon, Inc. SEC Filing
Annexon, Inc. Schedule 13G/A (Amendment No. 1) discloses that Logos Global entities and William Arsani filed jointly regarding Annexon common stock (CUSIP 03589W102) related to a reportable event dated 06/30/2025. The filing identifies five reporting persons: Logos Global Management LP, Logos Global Management GP LLC, Logos Global Master Fund LP, Logos GP LLC, and Arsani William, and provides the filer address at One Letterman Drive, Building C, Suite C3-350, San Francisco, CA 94129.
The statement states each reporting person beneficially owns 0 shares representing 0% of the class, with zero sole or shared voting or dispositive power. The reporting persons say they file jointly but disclaim membership in a group and disclaim beneficial ownership except to the extent of any pecuniary interest. The filing is signed by Arsani William on 08/13/2025.
Annexon, Inc. Schedule 13G/A (Emendamento n. 1) indica che entit脿 di Logos Global e William Arsani hanno presentato congiuntamente una comunicazione relativa alle azioni ordinarie di Annexon (CUSIP 03589W102) connessa a un evento segnalabile in data 06/30/2025. La comunicazione identifica cinque persone segnalanti: Logos Global Management LP, Logos Global Management GP LLC, Logos Global Master Fund LP, Logos GP LLC e Arsani William, e indica l'indirizzo del depositante a One Letterman Drive, Building C, Suite C3-350, San Francisco, CA 94129.
Dalla dichiarazione risulta che ciascuna persona segnalante possiede beneficiariamente 0 azioni, corrispondenti a 0% della classe, senza alcun potere di voto o di disposizione n茅 in via esclusiva n茅 congiunta. Le persone segnalanti dichiarano di presentare la comunicazione congiuntamente ma negano di far parte di un gruppo e negano la propriet脿 beneficiaria, salvo eventuali interessi pecuniari. La comunicazione 猫 firmata da Arsani William in data 08/13/2025.
Annexon, Inc. Schedule 13G/A (Enmienda n.潞 1) revela que entidades de Logos Global y William Arsani presentaron conjuntamente una comunicaci贸n sobre las acciones ordinarias de Annexon (CUSIP 03589W102) relativa a un evento informable con fecha 06/30/2025. El documento identifica a cinco declarantes: Logos Global Management LP, Logos Global Management GP LLC, Logos Global Master Fund LP, Logos GP LLC y Arsani William, y proporciona la direcci贸n del declarante en One Letterman Drive, Building C, Suite C3-350, San Francisco, CA 94129.
La declaraci贸n indica que cada persona declarada posee beneficiosamente 0 acciones, lo que representa el 0% de la clase, sin poder de voto ni de disposici贸n, ni en forma exclusiva ni conjunta. Las personas declarantes afirman presentar de forma conjunta pero niegan ser miembros de un grupo y niegan la propiedad beneficiaria excepto en la medida de cualquier inter茅s pecuniario. La presentaci贸n est谩 firmada por Arsani William el 08/13/2025.
Annexon, Inc.鞚� Schedule 13G/A(靾橃爼靹� 1順�)電� Logos Global 瓿勳棿靷摛瓿� William Arsani臧� Annexon 氤错喌欤�(CUSIP 03589W102)鞐� 甏�頃� 氤搓碃 靷贝 氚滌儩鞚检澊 06/30/2025鞚� 靷暛鞚� 瓿惦彊鞙茧 鞝滌稖頄堨潓鞚� 氚濏灆雼堧嫟. 鞝滌稖靹滌棎電� 雼れ劘 氇呾潣 鞁犼碃鞚胳澊 旮办灛霅橃柎 鞛堨姷雼堧嫟: Logos Global Management LP, Logos Global Management GP LLC, Logos Global Master Fund LP, Logos GP LLC 氚� Arsani William, 鞝滌稖鞚� 欤检唽電� One Letterman Drive, Building C, Suite C3-350, San Francisco, CA 94129搿� 旮办灛霅橃柎 鞛堨姷雼堧嫟.
靹彪獏靹滌棎 霐半ゴ氅� 臧� 鞁犼碃鞚胳潃 順滍儩鞝� 靻岇湢毳� 韱淀暣 0欤�毳� 氤挫湢頃橁碃 鞛堨溂氅� 鞚措姅 頃措嫻 霌标笁鞚� 0%鞐� 頃措嫻頃橁碃 雼弲 霕愲姅 瓿惦彊鞚� 鞚橁舶甓岇澊雮� 觳橂秳甓岆弰 鞐嗠嫟瓿� 頃╇媹雼�. 鞁犼碃鞚鸽摛鞚� 瓿惦彊鞙茧 鞝滌稖頃滊嫟瓿� 氇呾嫓頃橃毵� 攴鸽９ 甑劚鞗愳瀯鞚� 攵�鞚疙晿氅� 旮堨爠鞝� 鞚挫澋鞚� 鞛堧姅 氩旍渼毳� 鞝滌櫢頃橁碃電� 順滍儩鞝� 靻岇湢毳� 攵�鞚疙暕雼堧嫟. 鞚� 鞝滌稖靹滊姅 08/13/2025鞐� Arsani William鞚� 靹滊獏頄堨姷雼堧嫟.
Annexon, Inc. Schedule 13G/A (Amendement n掳1) r茅v猫le que des entit茅s de Logos Global et William Arsani ont d茅pos茅 conjointement une d茅claration concernant les actions ordinaires d'Annexon (CUSIP 03589W102) li茅e 脿 un 茅v茅nement d茅clarable en date du 06/30/2025. Le d茅p么t identifie cinq personnes d茅clarantes : Logos Global Management LP, Logos Global Management GP LLC, Logos Global Master Fund LP, Logos GP LLC et Arsani William, et indique l'adresse du d茅posant au One Letterman Drive, Building C, Suite C3-350, San Francisco, CA 94129.
La d茅claration indique que chaque personne d茅clarante poss猫de 脿 titre b茅n茅ficiaire 0 actions, repr茅sentant 0% de la cat茅gorie, sans aucun pouvoir de vote ou de disposition, ni exclusif ni partag茅. Les personnes d茅clarantes indiquent qu'elles d茅posent conjointement mais d茅mentent faire partie d'un groupe et r茅cusent la propri茅t茅 b茅n茅ficiaire, sauf dans la mesure d'un int茅r锚t p茅cuniaire 茅ventuel. Le d茅p么t est sign茅 par Arsani William le 08/13/2025.
Annexon, Inc. Schedule 13G/A (脛nderung Nr. 1) legt offen, dass Einheiten von Logos Global und William Arsani gemeinsam eine Meldung bez眉glich der Stammaktien von Annexon (CUSIP 03589W102) im Zusammenhang mit einem meldungspflichtigen Ereignis vom 06/30/2025 eingereicht haben. Die Einreichung nennt f眉nf meldende Personen: Logos Global Management LP, Logos Global Management GP LLC, Logos Global Master Fund LP, Logos GP LLC und Arsani William und weist die Adresse des Melders One Letterman Drive, Building C, Suite C3-350, San Francisco, CA 94129 aus.
In der Erkl盲rung hei脽t es, jede meldende Person besitze wirtschaftlich 0 Aktien, was 0% der Klasse entspreche, und habe weder alleinige noch gemeinsame Stimm- oder Verf眉gungsbefugnis. Die meldenden Personen geben an, gemeinsam zu melden, weisen jedoch eine Gruppenzugeh枚rigkeit zur眉ck und bestreiten eine wirtschaftliche Eigent眉merschaft, au脽er insoweit ein pecuni盲rer Interesse besteht. Die Einreichung ist von Arsani William am 08/13/2025 unterzeichnet.
- None.
- None.
Insights
TL;DR: This Schedule 13G/A reports no beneficial ownership by Logos Global parties in Annexon, so no change in ownership stake is disclosed.
The filing is procedural and reports 0 shares (0%) beneficially owned by Logos Global Management LP, Logos Global Management GP LLC, Logos Global Master Fund LP, Logos GP LLC, and Arsani William. The report clarifies organizational relationships and expressly disclaims group status and beneficial ownership beyond pecuniary interest. For investors, this filing does not indicate an active stake or influence attempt; it documents ownership status and adviser/fund relationships.
TL;DR: Formal disclosure confirms advisor/fund relationships and an explicit disclaimer of beneficial ownership and group membership.
The statement provides clear governance disclosures: Logos Global acts as an investment adviser to funds, Logos Global GP and Logos GP serve as general partners, and Dr. William is identified as a control person of those entities. The filing鈥檚 joint submission with explicit disclaimers and the certification language indicates a compliance-focused document rather than a strategic ownership disclosure. Signatures dated 08/13/2025 complete the filing.
Annexon, Inc. Schedule 13G/A (Emendamento n. 1) indica che entit脿 di Logos Global e William Arsani hanno presentato congiuntamente una comunicazione relativa alle azioni ordinarie di Annexon (CUSIP 03589W102) connessa a un evento segnalabile in data 06/30/2025. La comunicazione identifica cinque persone segnalanti: Logos Global Management LP, Logos Global Management GP LLC, Logos Global Master Fund LP, Logos GP LLC e Arsani William, e indica l'indirizzo del depositante a One Letterman Drive, Building C, Suite C3-350, San Francisco, CA 94129.
Dalla dichiarazione risulta che ciascuna persona segnalante possiede beneficiariamente 0 azioni, corrispondenti a 0% della classe, senza alcun potere di voto o di disposizione n茅 in via esclusiva n茅 congiunta. Le persone segnalanti dichiarano di presentare la comunicazione congiuntamente ma negano di far parte di un gruppo e negano la propriet脿 beneficiaria, salvo eventuali interessi pecuniari. La comunicazione 猫 firmata da Arsani William in data 08/13/2025.
Annexon, Inc. Schedule 13G/A (Enmienda n.潞 1) revela que entidades de Logos Global y William Arsani presentaron conjuntamente una comunicaci贸n sobre las acciones ordinarias de Annexon (CUSIP 03589W102) relativa a un evento informable con fecha 06/30/2025. El documento identifica a cinco declarantes: Logos Global Management LP, Logos Global Management GP LLC, Logos Global Master Fund LP, Logos GP LLC y Arsani William, y proporciona la direcci贸n del declarante en One Letterman Drive, Building C, Suite C3-350, San Francisco, CA 94129.
La declaraci贸n indica que cada persona declarada posee beneficiosamente 0 acciones, lo que representa el 0% de la clase, sin poder de voto ni de disposici贸n, ni en forma exclusiva ni conjunta. Las personas declarantes afirman presentar de forma conjunta pero niegan ser miembros de un grupo y niegan la propiedad beneficiaria excepto en la medida de cualquier inter茅s pecuniario. La presentaci贸n est谩 firmada por Arsani William el 08/13/2025.
Annexon, Inc.鞚� Schedule 13G/A(靾橃爼靹� 1順�)電� Logos Global 瓿勳棿靷摛瓿� William Arsani臧� Annexon 氤错喌欤�(CUSIP 03589W102)鞐� 甏�頃� 氤搓碃 靷贝 氚滌儩鞚检澊 06/30/2025鞚� 靷暛鞚� 瓿惦彊鞙茧 鞝滌稖頄堨潓鞚� 氚濏灆雼堧嫟. 鞝滌稖靹滌棎電� 雼れ劘 氇呾潣 鞁犼碃鞚胳澊 旮办灛霅橃柎 鞛堨姷雼堧嫟: Logos Global Management LP, Logos Global Management GP LLC, Logos Global Master Fund LP, Logos GP LLC 氚� Arsani William, 鞝滌稖鞚� 欤检唽電� One Letterman Drive, Building C, Suite C3-350, San Francisco, CA 94129搿� 旮办灛霅橃柎 鞛堨姷雼堧嫟.
靹彪獏靹滌棎 霐半ゴ氅� 臧� 鞁犼碃鞚胳潃 順滍儩鞝� 靻岇湢毳� 韱淀暣 0欤�毳� 氤挫湢頃橁碃 鞛堨溂氅� 鞚措姅 頃措嫻 霌标笁鞚� 0%鞐� 頃措嫻頃橁碃 雼弲 霕愲姅 瓿惦彊鞚� 鞚橁舶甓岇澊雮� 觳橂秳甓岆弰 鞐嗠嫟瓿� 頃╇媹雼�. 鞁犼碃鞚鸽摛鞚� 瓿惦彊鞙茧 鞝滌稖頃滊嫟瓿� 氇呾嫓頃橃毵� 攴鸽９ 甑劚鞗愳瀯鞚� 攵�鞚疙晿氅� 旮堨爠鞝� 鞚挫澋鞚� 鞛堧姅 氩旍渼毳� 鞝滌櫢頃橁碃電� 順滍儩鞝� 靻岇湢毳� 攵�鞚疙暕雼堧嫟. 鞚� 鞝滌稖靹滊姅 08/13/2025鞐� Arsani William鞚� 靹滊獏頄堨姷雼堧嫟.
Annexon, Inc. Schedule 13G/A (Amendement n掳1) r茅v猫le que des entit茅s de Logos Global et William Arsani ont d茅pos茅 conjointement une d茅claration concernant les actions ordinaires d'Annexon (CUSIP 03589W102) li茅e 脿 un 茅v茅nement d茅clarable en date du 06/30/2025. Le d茅p么t identifie cinq personnes d茅clarantes : Logos Global Management LP, Logos Global Management GP LLC, Logos Global Master Fund LP, Logos GP LLC et Arsani William, et indique l'adresse du d茅posant au One Letterman Drive, Building C, Suite C3-350, San Francisco, CA 94129.
La d茅claration indique que chaque personne d茅clarante poss猫de 脿 titre b茅n茅ficiaire 0 actions, repr茅sentant 0% de la cat茅gorie, sans aucun pouvoir de vote ou de disposition, ni exclusif ni partag茅. Les personnes d茅clarantes indiquent qu'elles d茅posent conjointement mais d茅mentent faire partie d'un groupe et r茅cusent la propri茅t茅 b茅n茅ficiaire, sauf dans la mesure d'un int茅r锚t p茅cuniaire 茅ventuel. Le d茅p么t est sign茅 par Arsani William le 08/13/2025.
Annexon, Inc. Schedule 13G/A (脛nderung Nr. 1) legt offen, dass Einheiten von Logos Global und William Arsani gemeinsam eine Meldung bez眉glich der Stammaktien von Annexon (CUSIP 03589W102) im Zusammenhang mit einem meldungspflichtigen Ereignis vom 06/30/2025 eingereicht haben. Die Einreichung nennt f眉nf meldende Personen: Logos Global Management LP, Logos Global Management GP LLC, Logos Global Master Fund LP, Logos GP LLC und Arsani William und weist die Adresse des Melders One Letterman Drive, Building C, Suite C3-350, San Francisco, CA 94129 aus.
In der Erkl盲rung hei脽t es, jede meldende Person besitze wirtschaftlich 0 Aktien, was 0% der Klasse entspreche, und habe weder alleinige noch gemeinsame Stimm- oder Verf眉gungsbefugnis. Die meldenden Personen geben an, gemeinsam zu melden, weisen jedoch eine Gruppenzugeh枚rigkeit zur眉ck und bestreiten eine wirtschaftliche Eigent眉merschaft, au脽er insoweit ein pecuni盲rer Interesse besteht. Die Einreichung ist von Arsani William am 08/13/2025 unterzeichnet.
FAQ
What does the Schedule 13G/A filed for Annexon (ANNX) report?
Who are the reporting persons listed on the Annexon (ANNX) Schedule 13G/A?
When is the event date and when was the Schedule 13G/A signed?
Does the filing indicate the reporters are acting as a group for Annexon (ANNX)?
Where is the principal business address of the filer listed in the Schedule 13G/A?
