STOCK TITAN

SiTime (SITM) officer sells 1,500 shares, retains 72,797-share position

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

SiTime Corp officer Lionel Bonnot reported open‑market sales of company stock. On June 11, 2026, he sold 1,000 shares of common stock at a price of $700.00 per share. On June 15, 2026, he sold an additional 500 shares at a weighted average price of $736.02 per share, with individual trades ranging from $735.12 to $736.18.

After these transactions, Bonnot directly holds 72,797 shares of SiTime common stock. This figure includes 65,813 shares issuable from previously reported unvested awards, consisting of 23,215 restricted stock units that vest over time and 42,598 performance-based restricted stock units that vest based on specified stock price performance over various periods.

Positive

  • None.

Negative

  • None.
Insider Bonnot Lionel
Role See Remarks
Sold 1,500 shs ($1.07M)
Type Security Shares Price Value
Sale Common Stock 500 $736.02 $368K
Sale Common Stock 1,000 $700.00 $700K
Holdings After Transaction: Common Stock — 72,797 shares (Direct, null)
Footnotes (1)
  1. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $735.12 to $736.18 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. Includes an aggregate of 65,813 shares of common stock issuable pursuant to previously reported restricted stock units and performance-based restricted stock units that have not vested. These unvested units include 23,215 restricted stock units that vest over time, and 42,598 performance-based restricted stock units that vest based on certain absolute and relative price performance of the issuer's common stock over various performance periods.
Shares sold 2026-06-11 1,000 shares at $700.00 Open-market sale of common stock on June 11, 2026
Shares sold 2026-06-15 500 shares at $736.02 (weighted avg.) Open-market sale with prices $735.12–$736.18
Total shares sold 1,500 shares Aggregate of June 11 and June 15, 2026 sales
Shares held after transactions 72,797 shares Direct holdings of common stock following sales
Unvested equity awards 65,813 shares issuable From previously reported restricted and performance-based stock units
Time-based RSUs 23,215 units Restricted stock units that vest over time
Performance-based RSUs 42,598 units Units vesting based on stock price performance over periods
weighted average price financial
"The reported price in Column 4 is a weighted average price."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
restricted stock units financial
"Includes an aggregate of 65,813 shares of common stock issuable pursuant to previously reported restricted stock units and performance-based restricted stock units"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
performance-based restricted stock units financial
"These unvested units include 23,215 restricted stock units that vest over time, and 42,598 performance-based restricted stock units that vest"
Performance-based restricted stock units are a type of employee equity award that converts into company shares only if predefined financial or operational targets are met over a set period. Think of it like a bonus check that becomes stock only when specific goals are hit; it ties pay to results, aligning managers’ incentives with shareholders. Investors care because these awards affect future share count, executive incentives, and signal how management’s success will be measured and rewarded.
absolute and relative price performance financial
"that vest based on certain absolute and relative price performance of the issuer's common stock over various performance periods"
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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*
Bonnot Lionel

(Last)(First)(Middle)
C/O SITIME CORPORATION
5451 PATRICK HENRY DR.

(Street)
SANTA CLARA CALIFORNIA 95054

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
SITIME Corp [ SITM ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
See Remarks
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/11/2026
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 Stock06/11/2026S1,000D$70073,297D
Common Stock06/15/2026S500D$736.02(1)72,797(2)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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $735.12 to $736.18 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
2. Includes an aggregate of 65,813 shares of common stock issuable pursuant to previously reported restricted stock units and performance-based restricted stock units that have not vested. These unvested units include 23,215 restricted stock units that vest over time, and 42,598 performance-based restricted stock units that vest based on certain absolute and relative price performance of the issuer's common stock over various performance periods.
Remarks:
Executive Vice President, Worldwide Sales and Business Development
Samsheer Ahamad, Attorney-in-fact06/15/2026
** 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)

FAQ

How many SiTime (SITM) shares did Lionel Bonnot sell in this Form 4?

Lionel Bonnot sold a total of 1,500 shares of SiTime common stock. The sales occurred in two transactions of 1,000 shares and 500 shares, both reported as open-market sales in June 2026.

What were the sale prices for Lionel Bonnot’s SiTime (SITM) stock transactions?

Bonnot sold 1,000 shares at $700.00 per share and 500 shares at a weighted average of $736.02. The 500-share sale was executed in multiple trades between $735.12 and $736.18 per share.

How many SiTime (SITM) shares does Lionel Bonnot hold after these transactions?

After the reported sales, Lionel Bonnot holds 72,797 shares of SiTime common stock directly. This total includes shares issuable from unvested restricted stock units and performance-based restricted stock units previously granted to him.

What unvested equity awards does Lionel Bonnot have in SiTime (SITM)?

Bonnot’s holdings include 65,813 shares issuable from unvested equity awards. These consist of 23,215 time-based restricted stock units and 42,598 performance-based restricted stock units tied to absolute and relative stock price performance.

What does the weighted average price mean in Bonnot’s SiTime (SITM) stock sale?

The $736.02 weighted average price reflects multiple trades for the 500-share sale executed between $735.12 and $736.18. The company notes that full trade-by-trade detail is available upon request from investors or regulators.