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Sera Prognostics (SERA) grants new RSUs and stock options

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

Rhea-AI Filing Summary

Sera Prognostics director Jane F. Barlow received equity compensation on July 10, 2026. She was granted 1,949 and 22,426 RSUs and stock options for 2,998 and 34,494 shares at a $1.97 exercise price, with vesting tied to continued board service and the next Annual Meeting of Stockholders.

Positive

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Insider Barlow Jane F
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) 2,998 $0.00 --
Grant/Award Class A Common Stock 22,426 $0.00 --
Grant/Award Class A Common Stock 1,949 $0.00 --
Holdings After Transaction: Stock Option (right to buy) — 34,494 shares (Direct); Class A Common Stock — 45,139 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 1,949 shares RSUs vest on the earlier of July 10, 2027 or the next Annual Meeting of Stockholders
Additional RSU grant 22,426 shares RSUs vest on the earlier of July 10, 2027 or the next Annual Meeting of Stockholders
Stock option grant 2,998 shares at $1.97 Options expiring July 10, 2036, vesting monthly over one year
Stock option grant 34,494 shares at $1.97 Options expiring July 10, 2036, vesting monthly over one year
restricted stock unit ("RSU") financial
"Each share is represented by a restricted stock unit ("RSU") granted..."
Non-Employee Director Compensation Policy financial
"granted pursuant to the issuer's Non-Employee Director Compensation Policy..."
2021 Equity Incentive Plan financial
"granted pursuant to the issuer's... 2021 Equity Incentive Plan."
Annual Meeting of Stockholders financial
"vest on the 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) grant to Jane F. Barlow on July 10, 2026?

On July 10, 2026, Jane F. Barlow received 1,949 and 22,426 RSUs plus stock options for 2,998 and 34,494 shares of Class A Common Stock at a $1.97 exercise price as part of her director equity compensation.

Were Jane F. Barlow’s recent Sera Prognostics (SERA) transactions open-market trades?

No. All reported transactions are code A grants, representing RSU and stock option awards at a $0.00 transaction price, granted under Sera Prognostics’ Non-Employee Director Compensation Policy and 2021 Equity Incentive Plan, rather than open-market purchases or sales.

What are the vesting terms of Jane F. Barlow’s RSUs at Sera Prognostics (SERA)?

Both RSU grants, covering 1,949 and 22,426 shares, vest on the earlier of July 10, 2027 or Sera Prognostics’ next Annual Meeting of Stockholders, subject to Jane F. Barlow continuing to provide services to the company as a director.

How do Jane F. Barlow’s Sera (SERA) stock options vest and when do they expire?

The stock options for 2,998 and 34,494 shares at a $1.97 exercise price vest over one year: 1/12 monthly, fully vesting by the earlier of the first anniversary of grant or the next Annual Meeting, and expire on July 10, 2036.

How many Sera Prognostics (SERA) shares are covered by Jane F. Barlow’s new option grants?

The new stock option awards cover a total of 37,492 underlying shares of Class A Common Stock, split between grants for 2,998 shares and 34,494 shares, each with an exercise price of $1.97 per share and a 2036 expiration date.

Under which plans were Jane F. Barlow’s Sera (SERA) equity awards granted?

The RSUs for 1,949 and 22,426 shares and stock options for 2,998 shares were granted under Sera Prognostics’ Non-Employee Director Compensation Policy and 2021 Equity Incentive Plan. An additional RSU grant for 22,426 shares was made by the Board of Directors.
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*
Barlow Jane F

(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$045,139D
Class A Common Stock07/10/2026A1,949(2)A$047,088D
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)$1.9707/10/2026A2,998 (4)07/10/2036Class A Common Stock2,998$02,998D
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)