STOCK TITAN

[Form 4] Sera Prognostics, Inc. Insider Trading Activity

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

Benjamin G. Jackson, General Counsel of Sera Prognostics, reported the sale of 6,447 shares of Class A common stock on 08/08/2025 to satisfy tax withholding on vested restricted stock units. The filing states this was a mandatory "sell-to-cover" transaction and not a discretionary sale. The shares were executed as a block trade at a weighted average price of $2.54, with individual trade prices ranging from $2.28 to $2.73.

Following the sale the reporting person beneficially owns 127,751 shares on a direct basis. No derivative securities were reported. The disclosure documents an administrative, tax-related disposition rather than an elective insider sale.

Benjamin G. Jackson, Consulente legale di Sera Prognostics, ha segnalato la vendita di 6,447 azioni ordinarie di Classe A in data 08/08/2025 per soddisfare il ritenuto fiscale su unità azionarie vincolate maturate. Il documento riporta che si è trattato di un'operazione obbligatoria di "sell-to-cover" e non di una vendita discrezionale. Le azioni sono state negoziate in un'operazione in blocco a un prezzo medio ponderato di $2.54, con prezzi delle singole operazioni compresi tra $2.28 e $2.73.

Dopo la vendita la persona segnalante possiede beneficiariamente 127,751 azioni a titolo diretto. Non sono stati riportati strumenti derivati. La comunicazione documenta una cessione di natura amministrativa e fiscale, non una vendita volontaria da parte di un insider.

Benjamin G. Jackson, Consejero general de Sera Prognostics, informó la venta de 6,447 acciones ordinarias Clase A el 08/08/2025 para cubrir la retención fiscal sobre unidades restringidas de acciones adquiridas. La presentación indica que se trató de una transacción obligatoria de "sell-to-cover" y no de una venta discrecional. Las acciones se ejecutaron como una operación en bloque a un precio medio ponderado de $2.54, con precios por operación individuales que oscilaron entre $2.28 y $2.73.

Tras la venta, la persona informante posee beneficiariamente 127,751 acciones en forma directa. No se reportaron valores derivados. La divulgación refleja una disposición administrativa relacionada con impuestos en lugar de una venta voluntaria de un insider.

Benjamin G. Jackson, Sera Prognostics의 총괄 법률 고문은 08/08/2025에 제한주식 단위가 성취되어 발생한 세금 원천징수를 충당하기 위해 6,447주의 클래스 A 보통주를 매각했다고 신고했습니다. 제출 문서는 이것이 재량적 매도가 아닌 의무적 "sell-to-cover" 거래였다고 밝히고 있습니다. 해당 주식은 블록 거래로 체결되었으며, 가중 평균 가격은 $2.54, 개별 거래 가격은 $2.28에서 $2.73 사이였습니다.

매각 후 보고인은 직접적으로 127,751주를 실질 보유하고 있습니다. 파생증권은 보고되지 않았습니다. 본 공시는 선택적 내부자 매도가 아닌 행정적·세금 관련 처분임을 문서화한 것입니다.

Benjamin G. Jackson, directeur juridique de Sera Prognostics, a déclaré la vente de 6,447 actions ordinaires de Classe A le 08/08/2025 afin de satisfaire la retenue d'impôt sur des restricted stock units acquises. Le dépôt précise qu'il s'agissait d'une transaction obligatoire de type "sell-to-cover" et non d'une vente discrétionnaire. Les actions ont été négociées en bloc à un prix moyen pondéré de $2.54, les prix des transactions individuelles variant entre $2.28 et $2.73.

Après la vente, la personne déclarante détient bénéficiairement 127,751 actions à titre direct. Aucun instrument dérivé n'a été signalé. La divulgation documente une cession à caractère administratif et fiscal plutôt qu'une vente volontaire d'initié.

Benjamin G. Jackson, General Counsel von Sera Prognostics, meldete den Verkauf von 6,447 Aktien der Stammaktien Klasse A am 08/08/2025, um die Steuerabzüge auf ausgeübte Restricted Stock Units zu erfüllen. Die Einreichung gibt an, dass es sich um eine verpflichtende "sell-to-cover"-Transaktion und nicht um einen diskretionären Verkauf handelte. Die Aktien wurden als Blockhandel zu einem gewichteten Durchschnittspreis von $2.54 ausgeführt, einzelne Handelspreise lagen zwischen $2.28 und $2.73.

Nach dem Verkauf hält die meldende Person wirtschaftlich begünstigt 127,751 Aktien direkt. Es wurden keine Derivatwerte gemeldet. Die Offenlegung dokumentiert eine administrative, steuerbedingte Veräußerung und keine freiwillige Insiderveräußerung.

Positive
  • Sale was a mandatory "sell-to-cover" transaction related to RSU tax withholding, not a discretionary insider sale
  • Reporting person retains 127,751 shares beneficially owned on a direct basis after the transaction
  • Filing discloses weighted average price ($2.54) and the trade price range ($2.28 to $2.73), supporting transparency
Negative
  • None.

Insights

TL;DR: Insider sold shares to cover taxes; transaction was non-discretionary and reporting person retains significant direct holdings.

The Form 4 shows a required "sell-to-cover" disposition of 6,447 Class A shares by the issuer's General Counsel, executed in a block trade with a weighted average price of $2.54. Because the filing explicitly states the sale was to satisfy RSU tax withholding and not discretionary, the market-significance is limited; this is an administrative liquidity event rather than an indicated change in insider sentiment. The reporting person still holds 127,751 shares directly, and no derivative positions are listed, which maintains continuity in direct ownership metrics.

TL;DR: Proper compliance disclosure of mandatory tax-related sale; no governance red flags evident from this filing alone.

The Form 4 documents transparent reporting: the issuer mandated the sell-to-cover method for RSU tax withholding and the reporting person provided a weighted average sale price and price range. The signature and explanation sections align with standard disclosure practice. There are no additional dispositions, option exercises, or derivative transactions disclosed that would suggest broader governance or disclosure issues based on this single filing.

Benjamin G. Jackson, Consulente legale di Sera Prognostics, ha segnalato la vendita di 6,447 azioni ordinarie di Classe A in data 08/08/2025 per soddisfare il ritenuto fiscale su unità azionarie vincolate maturate. Il documento riporta che si è trattato di un'operazione obbligatoria di "sell-to-cover" e non di una vendita discrezionale. Le azioni sono state negoziate in un'operazione in blocco a un prezzo medio ponderato di $2.54, con prezzi delle singole operazioni compresi tra $2.28 e $2.73.

Dopo la vendita la persona segnalante possiede beneficiariamente 127,751 azioni a titolo diretto. Non sono stati riportati strumenti derivati. La comunicazione documenta una cessione di natura amministrativa e fiscale, non una vendita volontaria da parte di un insider.

Benjamin G. Jackson, Consejero general de Sera Prognostics, informó la venta de 6,447 acciones ordinarias Clase A el 08/08/2025 para cubrir la retención fiscal sobre unidades restringidas de acciones adquiridas. La presentación indica que se trató de una transacción obligatoria de "sell-to-cover" y no de una venta discrecional. Las acciones se ejecutaron como una operación en bloque a un precio medio ponderado de $2.54, con precios por operación individuales que oscilaron entre $2.28 y $2.73.

Tras la venta, la persona informante posee beneficiariamente 127,751 acciones en forma directa. No se reportaron valores derivados. La divulgación refleja una disposición administrativa relacionada con impuestos en lugar de una venta voluntaria de un insider.

Benjamin G. Jackson, Sera Prognostics의 총괄 법률 고문은 08/08/2025에 제한주식 단위가 성취되어 발생한 세금 원천징수를 충당하기 위해 6,447주의 클래스 A 보통주를 매각했다고 신고했습니다. 제출 문서는 이것이 재량적 매도가 아닌 의무적 "sell-to-cover" 거래였다고 밝히고 있습니다. 해당 주식은 블록 거래로 체결되었으며, 가중 평균 가격은 $2.54, 개별 거래 가격은 $2.28에서 $2.73 사이였습니다.

매각 후 보고인은 직접적으로 127,751주를 실질 보유하고 있습니다. 파생증권은 보고되지 않았습니다. 본 공시는 선택적 내부자 매도가 아닌 행정적·세금 관련 처분임을 문서화한 것입니다.

Benjamin G. Jackson, directeur juridique de Sera Prognostics, a déclaré la vente de 6,447 actions ordinaires de Classe A le 08/08/2025 afin de satisfaire la retenue d'impôt sur des restricted stock units acquises. Le dépôt précise qu'il s'agissait d'une transaction obligatoire de type "sell-to-cover" et non d'une vente discrétionnaire. Les actions ont été négociées en bloc à un prix moyen pondéré de $2.54, les prix des transactions individuelles variant entre $2.28 et $2.73.

Après la vente, la personne déclarante détient bénéficiairement 127,751 actions à titre direct. Aucun instrument dérivé n'a été signalé. La divulgation documente une cession à caractère administratif et fiscal plutôt qu'une vente volontaire d'initié.

Benjamin G. Jackson, General Counsel von Sera Prognostics, meldete den Verkauf von 6,447 Aktien der Stammaktien Klasse A am 08/08/2025, um die Steuerabzüge auf ausgeübte Restricted Stock Units zu erfüllen. Die Einreichung gibt an, dass es sich um eine verpflichtende "sell-to-cover"-Transaktion und nicht um einen diskretionären Verkauf handelte. Die Aktien wurden als Blockhandel zu einem gewichteten Durchschnittspreis von $2.54 ausgeführt, einzelne Handelspreise lagen zwischen $2.28 und $2.73.

Nach dem Verkauf hält die meldende Person wirtschaftlich begünstigt 127,751 Aktien direkt. Es wurden keine Derivatwerte gemeldet. Die Offenlegung dokumentiert eine administrative, steuerbedingte Veräußerung und keine freiwillige Insiderveräußerung.

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*
Jackson Benjamin

(Last) (First) (Middle)
C/O SERA PROGNOSTICS, INC.
2749 EAST PARLEYS WAY, SUITE 200

(Street)
SALT LAKE CITY UT 84109

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
SERA PROGNOSTICS, INC. [ SERA ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
General Counsel
3. Date of Earliest Transaction (Month/Day/Year)
08/08/2025
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
Class A Common Stock 08/08/2025 S 6,447(1) D $2.54(2) 127,751 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. Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be funded by "sell to cover" transactions and does not represent a discretionary transaction by the Reporting Person.
2. The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $2.28 to $2.73, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price with regard to the block trade.
/s/ Benjamin G. Jackson 08/11/2025
** 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 transaction did Benjamin G. Jackson report on Form 4 for SERA?

He reported the sale of 6,447 Class A shares on 08/08/2025 as a "sell-to-cover" to satisfy RSU tax withholding at a weighted average price of $2.54.

Why were the shares sold according to the filing?

The filing states the sale was mandated by the issuer to satisfy tax withholding obligations on vested restricted stock units and was not a discretionary transaction by the reporting person.

How many shares does the reporting person own after the reported transaction?

The reporting person beneficially owns 127,751 shares on a direct basis following the reported transaction.

Were any derivative securities reported by the insider in this Form 4?

No. Table II lists no derivative securities acquired, disposed of, or beneficially owned.

At what prices were the shares in the block trade executed?

The filing reports a weighted average price of $2.54 and states the block trade included transactions priced between $2.28 and $2.73.
Sera Prognostics, Inc.

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United States
SALT LAKE CITY