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SEI director sells 5,000 shares after option exercise

SEIC director Carmen Romeo exercised 5,000 stock options and sold the resulting 5,000 shares on September 1, 2026.

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

SEI INVESTMENTS CO (SEIC) director Carmen Romeo reported an option exercise and same‑day share sale. On September 1, 2026, Romeo exercised options to acquire 5,000 shares of common stock at $49.63 per share as compensation for Board service, then sold 5,000 shares at a weighted‑average price in the $109.68–$109.70 range. The reported option grant tied to this transaction was fully exercised, and no Rule 10b5‑1 trading plan is indicated.

Positive

  • None.

Negative

  • None.
Insider ROMEO CARMEN
Role Director
Sold 5,000 shs ($549K)
Approx. gross sale proceeds $549K
Approx. exercise cost $248K
Approx. pre-tax spread $300K
Type Security Shares Price Value
Exercise Option to Purchase Common Stock F2 5,000 -- --
Exercise Common Stock 5,000 $49.63 $248K
Sale Common Stock F1 5,000 $109.70 $549K
Holdings After Transaction: Option to Purchase Common Stock — 0 contracts (Direct); Common Stock — 1,560,293 shares (Direct)
Footnotes (2)
  1. F1. Represents the weighted average of a range of sale prices from $109.68 to $109.70. The reporting person undertakes to provide to the Staff of the Securities and Exchange Commission, the Company, or any stockholder of the Company, upon request, full information regarding the number of shares sold at each separate price.
  2. F2. Received as compensation for service on the Company's Board of Directors.
Options Exercised 5,000 shares Options to purchase SEIC common stock exercised on September 1, 2026
Option Exercise Price $49.63 per share Exercise price for options exercised into 5,000 SEIC shares
Shares Sold 5,000 shares SEIC common stock sold on September 1, 2026
Sale Price Range (Weighted Average Basis) $109.68–$109.70 per share Price range for weighted‑average sale of 5,000 SEIC shares
Option Expiration Date December 13, 2026 Expiration date of the option that was exercised for 5,000 shares
weighted average financial
"Represents the weighted average of a range of sale prices from $109.68 to $109.70"
A weighted average is a way of calculating an overall number when some items matter more than others by giving each item a different level of importance, or weight. Investors use weighted averages to combine figures like prices, returns or earnings so the result reflects the size or significance of each part — like grading a class where a final exam counts more than a quiz, producing a score that better represents true performance.
derivative security financial
"Exercise or conversion of derivative security"
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
Rule 10b5-1 regulatory
"The Rule 10b5-1 checkbox is not marked for these transactions"
Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

FAQ

What transactions did SEIC director Carmen Romeo report on this Form 4?

Romeo reported exercising options for 5,000 shares of SEIC common stock at $49.63 per share on September 1, 2026, then selling 5,000 shares of common stock the same day at a weighted‑average price between $109.68 and $109.70.

What was the option exercise price in the SEIC Form 4 for Carmen Romeo?

The reported option exercise involved 5,000 shares of SEI Investments (SEIC) common stock at an exercise price of $49.63 per share, from an option originally exercisable since December 31, 2019 and expiring December 13, 2026.

At what price were SEIC shares sold in Carmen Romeo’s reported transaction?

The sale of 5,000 SEIC shares on September 1, 2026 was executed at a weighted‑average price in a range from $109.68 to $109.70 per share. The reporting person states they can provide the exact breakdown of shares sold at each separate price upon request.

How many SEIC shares did Carmen Romeo sell according to this Form 4?

The filing shows that 5,000 shares of SEI Investments (SEIC) common stock were sold on September 1, 2026. These shares were acquired the same day through the exercise of stock options and then fully disposed of in the reported sale.

Were the SEIC option shares exercised by Carmen Romeo part of director compensation?

Yes. A footnote explains that the 5,000‑share option exercised on September 1, 2026 was received as compensation for service on SEI Investments’ Board of Directors.

Was Carmen Romeo’s SEIC trade under a Rule 10b5-1 trading plan?

No. The Form 4 indicates the Rule 10b5‑1 checkbox is not marked for these transactions, so no Rule 10b5‑1 trading plan is reported in connection with the September 1, 2026 option exercise and share sale.

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Learn about SEC filing dates
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*
ROMEO CARMEN

(Last)(First)(Middle)
1 FREEDOM VALLEY DRIVE

(Street)
OAKS PENNSYLVANIA 19456

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
SEI INVESTMENTS CO [ SEIC ]
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)
09/01/2026
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
Common Stock09/01/2026M5,000A$49.631,565,293D
Common Stock09/01/2026S5,000D$109.7(1)1,560,293D
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
Option to Purchase Common Stock$49.6309/01/2026M5,00012/31/201912/13/2026Common Stock5,000(2)0D
Explanation of Responses:
1. Represents the weighted average of a range of sale prices from $109.68 to $109.70. The reporting person undertakes to provide to the Staff of the Securities and Exchange Commission, the Company, or any stockholder of the Company, upon request, full information regarding the number of shares sold at each separate price.
2. Received as compensation for service on the Company's Board of Directors.
/s/ Carmen Romeo by Lindsay A. Barci, attorney in fact09/03/2026
** 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)