STOCK TITAN

[Form 4] Cabot Corporation Insider Trading Activity

Filing Impact
(Low)
Filing Sentiment
(Neutral)
Form Type
4
Rhea-AI Filing Summary

Alpha Teknova, Inc. (TKNO) – Form 4 insider transaction

Director Martha J. Demski reported a single open-market sale of the company’s common stock on 27 June 2025. The transaction was executed under a Rule 10b5-1 trading plan adopted 12 March 2025 and was expressly intended to cover tax obligations arising from the vesting of director restricted stock units.

  • Securities sold: 8,000 common shares
  • Sale price: $5.064 per share
  • Gross proceeds: approximately $40,512
  • Post-transaction ownership: 12,000 common shares held directly

No derivative securities were acquired or disposed of, and no other transactions were reported. After the sale, Demski retains a direct equity interest in the company, but her share count declined by 40% from 20,000 to 12,000 shares. Because the disposition was pre-programmed under a 10b5-1 plan and earmarked for tax withholding, it is generally viewed as administrative rather than indicative of a changed outlook. Nevertheless, investors often monitor insider sales—especially by board members—for potential signaling effects. The filing does not disclose any changes to Demski’s role, company strategy, or financial performance.

Alpha Teknova, Inc. (TKNO) – Transazione interna Form 4

La direttrice Martha J. Demski ha comunicato una singola vendita sul mercato aperto di azioni ordinarie della società il 27 giugno 2025. L’operazione è stata eseguita nell’ambito di un piano di trading Rule 10b5-1 adottato il 12 marzo 2025 ed è stata specificamente destinata a coprire obblighi fiscali derivanti dal consolidamento di unità azionarie vincolate per i direttori.

  • Azioni vendute: 8.000 azioni ordinarie
  • Prezzo di vendita: $5,064 per azione
  • Proventi lordi: circa $40.512
  • Partecipazione dopo la transazione: 12.000 azioni ordinarie detenute direttamente

Non sono stati acquisiti o ceduti strumenti derivati e non sono state riportate altre operazioni. Dopo la vendita, Demski mantiene una partecipazione azionaria diretta nella società, sebbene il numero di azioni detenute sia diminuito del 40%, passando da 20.000 a 12.000 azioni. Poiché la vendita è stata preprogrammata nell’ambito di un piano 10b5-1 e destinata alla ritenuta fiscale, è generalmente considerata un’operazione amministrativa piuttosto che un segnale di cambiamento di prospettiva. Tuttavia, gli investitori monitorano spesso le vendite interne, in particolare quelle dei membri del consiglio, per possibili effetti di segnalazione. Il documento non indica alcuna modifica nel ruolo di Demski, nella strategia aziendale o nelle performance finanziarie.

Alpha Teknova, Inc. (TKNO) – Transacción interna Formulario 4

La directora Martha J. Demski informó una venta única en el mercado abierto de acciones ordinarias de la empresa el 27 de junio de 2025. La operación se realizó bajo un plan de negociación Rule 10b5-1 adoptado el 12 de marzo de 2025 y estuvo destinada expresamente a cubrir obligaciones fiscales derivadas del otorgamiento de unidades restringidas de acciones para directores.

  • Valores vendidos: 8,000 acciones ordinarias
  • Precio de venta: $5.064 por acción
  • Ingresos brutos: aproximadamente $40,512
  • Propiedad tras la transacción: 12,000 acciones ordinarias en propiedad directa

No se adquirieron ni dispusieron valores derivados, ni se reportaron otras transacciones. Tras la venta, Demski mantiene una participación directa en la empresa, aunque su número de acciones disminuyó un 40%, de 20,000 a 12,000 acciones. Dado que la disposición fue preprogramada bajo un plan 10b5-1 y destinada a la retención fiscal, generalmente se considera una operación administrativa más que un indicio de cambio de perspectiva. Sin embargo, los inversores suelen vigilar las ventas internas, especialmente las de miembros del consejo, por posibles señales. La presentación no revela cambios en el rol de Demski, la estrategia de la empresa ni el desempeño financiero.

Alpha Teknova, Inc. (TKNO) – Form 4 내부자 거래 내역

이사 Martha J. Demski2025년 6월 27일 회사 보통주를 단일 공개 시장에서 매도했다고 보고했습니다. 이 거래는 2025년 3월 12일 채택된 Rule 10b5-1 거래 계획에 따라 실행되었으며, 이사 제한 주식 단위의 권리 확정에 따른 세금 의무를 충당하기 위한 것이었습니다.

  • 매도한 증권: 보통주 8,000주
  • 매도 가격: 주당 $5.064
  • 총 수익: 약 $40,512
  • 거래 후 보유 주식: 직접 보유한 보통주 12,000주

파생 증권의 취득 또는 처분은 없었으며, 다른 거래도 보고되지 않았습니다. 매도 후 Demski는 회사에 대한 직접 지분을 유지하지만 보유 주식 수는 20,000주에서 12,000주로 40% 감소했습니다. 해당 처분은 10b5-1 계획에 따라 사전 프로그램된 것이고 세금 원천징수를 위한 것이므로 일반적으로 행정적인 조치로 간주되며 전망 변화의 신호로 보지 않습니다. 그럼에도 불구하고 투자자들은 특히 이사회 구성원의 내부자 매도를 잠재적 신호로 주시하는 경향이 있습니다. 제출서류에는 Demski의 역할, 회사 전략 또는 재무 성과에 대한 변경 사항이 공개되어 있지 않습니다.

Alpha Teknova, Inc. (TKNO) – Transaction d’initié Formulaire 4

La directrice Martha J. Demski a déclaré une vente unique d’actions ordinaires de la société sur le marché ouvert le 27 juin 2025. La transaction a été réalisée dans le cadre d’un plan de négociation Rule 10b5-1 adopté le 12 mars 2025 et était expressément destinée à couvrir les obligations fiscales liées à l’acquisition des unités d’actions restreintes attribuées aux administrateurs.

  • Valeurs vendues : 8 000 actions ordinaires
  • Prix de vente : 5,064 $ par action
  • Produit brut : environ 40 512 $
  • Participation après la transaction : 12 000 actions ordinaires détenues directement

Aucun titre dérivé n’a été acquis ou cédé, et aucune autre transaction n’a été signalée. Après la vente, Demski conserve une participation directe dans la société, bien que son nombre d’actions ait diminué de 40 %, passant de 20 000 à 12 000 actions. Comme la cession a été préprogrammée dans le cadre d’un plan 10b5-1 et destinée à la retenue fiscale, elle est généralement considérée comme une opération administrative plutôt qu’un signe de changement de perspective. Néanmoins, les investisseurs surveillent souvent les ventes d’initiés, en particulier celles des membres du conseil, pour leurs effets potentiels sur le signalement. Le dépôt ne révèle aucun changement dans le rôle de Demski, la stratégie de l’entreprise ou la performance financière.

Alpha Teknova, Inc. (TKNO) – Form 4 Insider-Transaktion

Die Direktorin Martha J. Demski meldete am 27. Juni 2025 einen einzelnen Verkauf von Stammaktien des Unternehmens am offenen Markt. Die Transaktion wurde im Rahmen eines Rule 10b5-1 Handelsplans, der am 12. März 2025 angenommen wurde, durchgeführt und diente ausdrücklich zur Deckung von Steuerverpflichtungen, die aus der Vesting von Restricted Stock Units für Direktoren resultieren.

  • Verkaufte Wertpapiere: 8.000 Stammaktien
  • Verkaufspreis: 5,064 $ pro Aktie
  • Bruttoerlös: ca. 40.512 $
  • Eigentum nach der Transaktion: 12.000 direkt gehaltene Stammaktien

Es wurden keine Derivate erworben oder veräußert, und keine weiteren Transaktionen gemeldet. Nach dem Verkauf hält Demski weiterhin eine direkte Beteiligung am Unternehmen, jedoch sank ihre Aktienanzahl um 40 % von 20.000 auf 12.000 Aktien. Da die Veräußerung vorprogrammiert im Rahmen eines 10b5-1-Plans war und zur Steuerabführung bestimmt ist, wird sie im Allgemeinen als administrative Maßnahme betrachtet und nicht als Hinweis auf eine veränderte Einschätzung. Dennoch beobachten Investoren Insider-Verkäufe – insbesondere von Vorstandsmitgliedern – oft auf mögliche Signale. Die Meldung enthält keine Hinweise auf Änderungen in Demskis Rolle, der Unternehmensstrategie oder der finanziellen Leistung.

Positive
  • Transparent 10b5-1 plan: Sale executed under a pre-adopted trading plan, enhancing disclosure and reducing potential for opportunistic trades.
Negative
  • 40% reduction in director holdings: Insider’s share count falls from 20,000 to 12,000, which may signal lower personal exposure to future upside.

Insights

TL;DR: Minor, pre-scheduled insider sale; neutral valuation impact.

The director sold 8,000 TKNO shares (40% of her stake) at $5.064 under a 10b5-1 plan to pay taxes on vested RSUs. Because the sale was predetermined and purpose-specific, it does not necessarily reflect her view of the company’s fundamentals. Remaining ownership of 12,000 shares shows continued alignment. Dollar value (~$40k) is immaterial relative to trading volume and market cap, so I view the filing as not impactful to valuation.

TL;DR: Insider sale reduces alignment; slight governance negative.

Although executed under a compliant 10b5-1 plan, the 40% reduction in holdings lessens Demski’s direct exposure to TKNO’s equity performance. Frequent or sizeable director sales can raise questions about board-level confidence. Still, continued ownership and transparent disclosure mitigate concerns. Overall governance impact is mildly negative but limited.

Alpha Teknova, Inc. (TKNO) – Transazione interna Form 4

La direttrice Martha J. Demski ha comunicato una singola vendita sul mercato aperto di azioni ordinarie della società il 27 giugno 2025. L’operazione è stata eseguita nell’ambito di un piano di trading Rule 10b5-1 adottato il 12 marzo 2025 ed è stata specificamente destinata a coprire obblighi fiscali derivanti dal consolidamento di unità azionarie vincolate per i direttori.

  • Azioni vendute: 8.000 azioni ordinarie
  • Prezzo di vendita: $5,064 per azione
  • Proventi lordi: circa $40.512
  • Partecipazione dopo la transazione: 12.000 azioni ordinarie detenute direttamente

Non sono stati acquisiti o ceduti strumenti derivati e non sono state riportate altre operazioni. Dopo la vendita, Demski mantiene una partecipazione azionaria diretta nella società, sebbene il numero di azioni detenute sia diminuito del 40%, passando da 20.000 a 12.000 azioni. Poiché la vendita è stata preprogrammata nell’ambito di un piano 10b5-1 e destinata alla ritenuta fiscale, è generalmente considerata un’operazione amministrativa piuttosto che un segnale di cambiamento di prospettiva. Tuttavia, gli investitori monitorano spesso le vendite interne, in particolare quelle dei membri del consiglio, per possibili effetti di segnalazione. Il documento non indica alcuna modifica nel ruolo di Demski, nella strategia aziendale o nelle performance finanziarie.

Alpha Teknova, Inc. (TKNO) – Transacción interna Formulario 4

La directora Martha J. Demski informó una venta única en el mercado abierto de acciones ordinarias de la empresa el 27 de junio de 2025. La operación se realizó bajo un plan de negociación Rule 10b5-1 adoptado el 12 de marzo de 2025 y estuvo destinada expresamente a cubrir obligaciones fiscales derivadas del otorgamiento de unidades restringidas de acciones para directores.

  • Valores vendidos: 8,000 acciones ordinarias
  • Precio de venta: $5.064 por acción
  • Ingresos brutos: aproximadamente $40,512
  • Propiedad tras la transacción: 12,000 acciones ordinarias en propiedad directa

No se adquirieron ni dispusieron valores derivados, ni se reportaron otras transacciones. Tras la venta, Demski mantiene una participación directa en la empresa, aunque su número de acciones disminuyó un 40%, de 20,000 a 12,000 acciones. Dado que la disposición fue preprogramada bajo un plan 10b5-1 y destinada a la retención fiscal, generalmente se considera una operación administrativa más que un indicio de cambio de perspectiva. Sin embargo, los inversores suelen vigilar las ventas internas, especialmente las de miembros del consejo, por posibles señales. La presentación no revela cambios en el rol de Demski, la estrategia de la empresa ni el desempeño financiero.

Alpha Teknova, Inc. (TKNO) – Form 4 내부자 거래 내역

이사 Martha J. Demski2025년 6월 27일 회사 보통주를 단일 공개 시장에서 매도했다고 보고했습니다. 이 거래는 2025년 3월 12일 채택된 Rule 10b5-1 거래 계획에 따라 실행되었으며, 이사 제한 주식 단위의 권리 확정에 따른 세금 의무를 충당하기 위한 것이었습니다.

  • 매도한 증권: 보통주 8,000주
  • 매도 가격: 주당 $5.064
  • 총 수익: 약 $40,512
  • 거래 후 보유 주식: 직접 보유한 보통주 12,000주

파생 증권의 취득 또는 처분은 없었으며, 다른 거래도 보고되지 않았습니다. 매도 후 Demski는 회사에 대한 직접 지분을 유지하지만 보유 주식 수는 20,000주에서 12,000주로 40% 감소했습니다. 해당 처분은 10b5-1 계획에 따라 사전 프로그램된 것이고 세금 원천징수를 위한 것이므로 일반적으로 행정적인 조치로 간주되며 전망 변화의 신호로 보지 않습니다. 그럼에도 불구하고 투자자들은 특히 이사회 구성원의 내부자 매도를 잠재적 신호로 주시하는 경향이 있습니다. 제출서류에는 Demski의 역할, 회사 전략 또는 재무 성과에 대한 변경 사항이 공개되어 있지 않습니다.

Alpha Teknova, Inc. (TKNO) – Transaction d’initié Formulaire 4

La directrice Martha J. Demski a déclaré une vente unique d’actions ordinaires de la société sur le marché ouvert le 27 juin 2025. La transaction a été réalisée dans le cadre d’un plan de négociation Rule 10b5-1 adopté le 12 mars 2025 et était expressément destinée à couvrir les obligations fiscales liées à l’acquisition des unités d’actions restreintes attribuées aux administrateurs.

  • Valeurs vendues : 8 000 actions ordinaires
  • Prix de vente : 5,064 $ par action
  • Produit brut : environ 40 512 $
  • Participation après la transaction : 12 000 actions ordinaires détenues directement

Aucun titre dérivé n’a été acquis ou cédé, et aucune autre transaction n’a été signalée. Après la vente, Demski conserve une participation directe dans la société, bien que son nombre d’actions ait diminué de 40 %, passant de 20 000 à 12 000 actions. Comme la cession a été préprogrammée dans le cadre d’un plan 10b5-1 et destinée à la retenue fiscale, elle est généralement considérée comme une opération administrative plutôt qu’un signe de changement de perspective. Néanmoins, les investisseurs surveillent souvent les ventes d’initiés, en particulier celles des membres du conseil, pour leurs effets potentiels sur le signalement. Le dépôt ne révèle aucun changement dans le rôle de Demski, la stratégie de l’entreprise ou la performance financière.

Alpha Teknova, Inc. (TKNO) – Form 4 Insider-Transaktion

Die Direktorin Martha J. Demski meldete am 27. Juni 2025 einen einzelnen Verkauf von Stammaktien des Unternehmens am offenen Markt. Die Transaktion wurde im Rahmen eines Rule 10b5-1 Handelsplans, der am 12. März 2025 angenommen wurde, durchgeführt und diente ausdrücklich zur Deckung von Steuerverpflichtungen, die aus der Vesting von Restricted Stock Units für Direktoren resultieren.

  • Verkaufte Wertpapiere: 8.000 Stammaktien
  • Verkaufspreis: 5,064 $ pro Aktie
  • Bruttoerlös: ca. 40.512 $
  • Eigentum nach der Transaktion: 12.000 direkt gehaltene Stammaktien

Es wurden keine Derivate erworben oder veräußert, und keine weiteren Transaktionen gemeldet. Nach dem Verkauf hält Demski weiterhin eine direkte Beteiligung am Unternehmen, jedoch sank ihre Aktienanzahl um 40 % von 20.000 auf 12.000 Aktien. Da die Veräußerung vorprogrammiert im Rahmen eines 10b5-1-Plans war und zur Steuerabführung bestimmt ist, wird sie im Allgemeinen als administrative Maßnahme betrachtet und nicht als Hinweis auf eine veränderte Einschätzung. Dennoch beobachten Investoren Insider-Verkäufe – insbesondere von Vorstandsmitgliedern – oft auf mögliche Signale. Die Meldung enthält keine Hinweise auf Änderungen in Demskis Rolle, der Unternehmensstrategie oder der finanziellen Leistung.

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
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Nathoo Raffiq

(Last) (First) (Middle)
C/O CABOT CORPORATION
TWO SEAPORT LANE, SUITE 1400

(Street)
BOSTON MA 02210

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
CABOT CORP [ CBT ]
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)
06/30/2025
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
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
Phantom Stock Units (1) 06/30/2025 A 316.6667 (2) (2) Common Stock 316.6667 $75 3,947.2994 D
Explanation of Responses:
1. 1 for 1
2. Represents dividends paid on phantom stock units acquired under the Corporation's Non-Employee Director's Deferral Plan and will be settled either upon the reporting person's termination of service as a director or in accordance with the distribution election of the reporting person, whichever first occurs.
By: Jennifer Lombardi, pursuant to a power of attorney from Raffiq Nathoo 07/01/2025
** 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

Who sold Alpha Teknova (TKNO) shares in the latest Form 4?

Director Martha J. Demski reported the transaction.

How many TKNO shares were sold and at what price?

She sold 8,000 shares at $5.064 per share.

What is Martha Demski’s remaining ownership after the sale?

She now holds 12,000 common shares directly.

Why was the sale executed?

The sale was made to cover tax obligations related to vesting RSUs and was executed under a Rule 10b5-1 plan.

When was the 10b5-1 plan adopted?

The trading plan was adopted on 12 March 2025.

Were any derivative securities involved?

No derivative securities were acquired or disposed of in this filing.
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