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Sera Prognostics (SERA) awards RSUs and stock options to director

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

Rhea-AI Filing Summary

Phillips Joshua reported acquisition or exercise transactions in this Form 4 filing.

Sera Prognostics director Joshua Phillips received equity compensation awards on July 10, 2026. He was granted RSUs covering 2,260 and 22,426 Class A shares that vest on the earlier of July 10, 2027 or the next annual meeting, plus stock options for 3,477 and 34,494 shares at $1.97, vesting monthly over one year and expiring July 10, 2036, all contingent on continued service.

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Insider Phillips Joshua
Role Director
Type Security Shares Price Value
Grant/Award Stock Option (right to buy) 34,494 $0.00 --
Grant/Award Stock Option (right to buy) 3,477 $0.00 --
Grant/Award Class A Common Stock 22,426 $0.00 --
Grant/Award Class A Common Stock 2,260 $0.00 --
Holdings After Transaction: Stock Option (right to buy) — 34,494 shares (Direct); Class A Common Stock — 79,431 shares (Direct)
Footnotes (1)
  1. Each share is represented by a restricted stock unit ("RSU") granted pursuant to the issuer's Non-Employee Director Compensation Policy and its 2021 Equity Incentive Plan. These RSUs vest on the earlier of July 10, 2027 or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer. Each share is represented by an additional RSU granted by the Board of Directors. These RSUs vest on the earlier of July 10, 2027 or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer. Consists of stock options granted pursuant to the issuer's Non-Employee Director Compensation Policy and its 2021 Equity Incentive Plan. These stock options vest over one year as follows: 1/12 of the original grant amount vests in monthly installments for one year following the grant date; provided, however, that the stock options shall be fully vested on the earlier of the first anniversary of the grant date or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer. These stock options vest over one year as follows: 1/12 of the original grant amount vests in monthly installments for one year following the grant date; provided, however, that the stock options shall be fully vested on the earlier of the first anniversary of the grant date or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.
RSU grant 1 2,260 shares RSUs representing Class A Common Stock granted July 10, 2026
RSU grant 2 22,426 shares Additional RSUs granted by the Board vesting by July 10, 2027 or next annual meeting
Stock option grant 1 3,477 shares Options to buy Class A Common Stock granted July 10, 2026
Option exercise price $1.9700 per share Exercise price for options granted to Joshua Phillips
Stock option grant 2 34,494 shares Additional options to buy Class A Common Stock granted July 10, 2026
Option expiration date 2036-07-10 Expiration for both new stock option grants
restricted stock unit financial
"Each share is represented by a restricted stock unit granted pursuant"
A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.
Non-Employee Director Compensation Policy financial
"granted pursuant to the issuer's Non-Employee Director Compensation Policy"
2021 Equity Incentive Plan financial
"and its 2021 Equity Incentive Plan"
stock options financial
"Consists of stock options granted pursuant to the issuer's policy"
Stock options are agreements that give a person the right to buy or sell a company's stock at a specific price within a certain time frame. They are often used as a reward or incentive, similar to a coupon that can be used later if the stock price rises, allowing the holder to make a profit.
Annual Meeting of Stockholders financial
"earlier of July 10, 2027 or the date of the issuer's next Annual Meeting of Stockholders"
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FAQ

What equity awards did Sera Prognostics (SERA) director Joshua Phillips receive?

Joshua Phillips received RSUs for 2,260 and 22,426 Class A shares and stock options for 3,477 and 34,494 shares at an exercise price of $1.97. All awards were granted on July 10, 2026 as director compensation.

How do the new SERA RSU grants to Joshua Phillips vest?

Both RSU grants, covering 2,260 and 22,426 shares, vest on the earlier of July 10, 2027 or Sera Prognostics’ next Annual Meeting of Stockholders. Vesting is conditioned on Phillips continuing to provide services to the company through that date.

What are the key terms of the SERA stock options granted to Joshua Phillips?

Phillips received stock options over 3,477 and 34,494 shares of Class A common stock with an exercise price of $1.97 per share. The options expire on July 10, 2036, giving a long-term right to purchase shares if vested.

How do Joshua Phillips’ new SERA stock options vest?

Each option grant vests over one year, with 1/12 of the original amount vesting in monthly installments. The options become fully vested on the earlier of the first anniversary of the grant date or Sera Prognostics’ next Annual Meeting, subject to continued service.

Were Joshua Phillips’ SERA transactions open-market purchases?

No. The Form 4 shows grant or award acquisitions, not open-market buys or sells. Phillips received RSUs and stock options at a stated exercise price of $1.97 per share as part of Sera Prognostics’ Non-Employee Director Compensation Policy and 2021 Equity Incentive Plan.
SEC Form 4
FORM 4UNITED 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*
Phillips Joshua

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

(Street)
SALT LAKE CITY UTAH 84109

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
SERA PROGNOSTICS, INC. [ SERA ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/10/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
CodeVAmount(A) or (D)Price
Class A Common Stock07/10/2026A22,426(1)A$079,431D
Class A Common Stock07/10/2026A2,260(2)A$081,691D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (right to buy)$1.9707/10/2026A34,494 (3)07/10/2036Class A Common Stock34,494$034,494D
Stock Option (right to buy)$1.9707/10/2026A3,477 (4)07/10/2036Class A Common Stock3,477$03,477D
Explanation of Responses:
1. Each share is represented by a restricted stock unit ("RSU") granted pursuant to the issuer's Non-Employee Director Compensation Policy and its 2021 Equity Incentive Plan. These RSUs vest on the earlier of July 10, 2027 or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.
2. Each share is represented by an additional RSU granted by the Board of Directors. These RSUs vest on the earlier of July 10, 2027 or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.
3. Consists of stock options granted pursuant to the issuer's Non-Employee Director Compensation Policy and its 2021 Equity Incentive Plan. These stock options vest over one year as follows: 1/12 of the original grant amount vests in monthly installments for one year following the grant date; provided, however, that the stock options shall be fully vested on the earlier of the first anniversary of the grant date or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.
4. These stock options vest over one year as follows: 1/12 of the original grant amount vests in monthly installments for one year following the grant date; provided, however, that the stock options shall be fully vested on the earlier of the first anniversary of the grant date or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.
/s/ Benjamin G. Jackson, Attorney-in-fact07/14/2026
** Signature of Reporting PersonDate
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.
* Form 4: SEC 1474 (03-26)