SiTime Form 4 Filings

SITIME Corp (SITM) reported that its Chief Executive Officer and director, Rajesh Vashist, sold 12,000 shares of common stock on September 9, 2026 in open-market or private transactions at a weighted average price of $603.47 per share, with individual trade prices ranging from $600.00 to $606.00 per share. Following this sale, he held 345,544 shares directly, including 234,434 shares underlying previously reported restricted stock units and performance-based restricted stock units that have not vested.

The unvested equity awards consist of 76,217 restricted stock units that vest over time and 158,217 performance-based restricted stock units that vest based on specified absolute and relative price performance of SITIME Corp’s common stock over various performance periods. In addition, securities are held indirectly through Aldebran Constellation LLC and two family dynasty trusts, for which Rajesh Vashist serves as a manager with voting and investment power. No transactions in this filing are reported as being made under a Rule 10b5-1 trading plan.

SITIME Corp (SITM) director and Chief Executive Officer Rajesh Vashist reported a series of bona fide gifts of the company’s common stock on August 31, 2026. He gifted 1,300 shares directly and 650 shares each to two family dynasty trusts for estate planning purposes, totaling 2,600 shares. Following the direct gift, his reported direct holdings were 357,544 shares, including 234,434 unvested restricted and performance-based restricted stock units. He also reports indirect holdings through an LLC and two family dynasty trusts over which he has voting and investment power, and no Rule 10b5-1 trading plan is reported.

SITIME Corp (SITM) reported an insider transaction by Elizabeth A. Howe, EVP and Chief Financial Officer. On 2026-08-20, Howe had 2,740 shares of common stock withheld or delivered at $598.81 per share to pay the exercise price or tax liability. After this code F transaction, she reported 65,148 shares of common stock held directly, which include 52,770 unvested shares issuable under previously reported equity awards, consisting of 32,088 restricted stock units that vest over time and 20,682 performance-based restricted stock units that vest based on absolute and relative stock price performance over various periods.

SITIME Corp (SITM) officer Samsheer Ahamad, SVP Finance and Chief Accounting Officer, reported two non-derivative transactions in common stock. On March 13, 2026, he made a bona fide gift of 17,167 shares to The Samsheer and Zarifa Ahamad Revocable Living Trust, which now holds the reportable securities with his voting and investment power. On August 20, 2026, 1,484 shares were disposed of to pay exercise price or tax liability by delivering or withholding shares at a reported $598.81 per share. The filing notes the transfer to the trust was reported late due to an administrative error.

SITIME Corp (SITM) director and Chief Executive Officer Rajesh Vashist reported an exercise-price-or-tax-liability disposition involving 29,054 shares of common stock on 2026-08-20, with a reported price of $598.81 per share. After this withholding, he directly holds 358,844 shares, which include 234,434 unvested RSUs and performance-based RSUs.

The unvested units comprise 76,217 time-based RSUs and 158,217 performance-based RSUs that vest based on specified absolute and relative price performance of SITIME Corp common stock. Additional indirect holdings are reported through Aldebran Constellation LLC and two family Dynasty Trusts, for which Vashist has voting and investment power.

SITIME Corp (SITM) reported that executive Vincent P. Pangrazio had 5,419 shares of common stock withheld or delivered on 2026-08-20 to pay an exercise price or tax liability at a reported value of $598.81 per share. After this disposition, he held 47,997 shares directly, which include 29,322 shares underlying previously reported unvested restricted stock units and performance-based restricted stock units. These unvested awards consist of 12,698 time-based RSUs and 16,624 performance-based RSUs that vest based on absolute and relative price performance over various periods.

SITIME Corp (SITM) reported that Executive Vice President, Worldwide Sales and Business Development Lionel Bonnot had 9,630 shares of common stock withheld or delivered on August 20, 2026 to pay the option exercise price or related tax liability at $598.81 per share. After this transaction, he reported holding 61,667 shares directly, including 46,892 shares issuable from unvested restricted stock units and performance-based restricted stock units, of which 18,660 vest over time and 28,232 vest based on specified absolute and relative stock price performance.

SITIME Corp (SITM) reported that Executive Vice President, Engineering & Technology Fariborz Assaderaghi had shares withheld in connection with equity compensation. On 2026-08-20, 9,701 shares of common stock were disposed of under a transaction coded "F" at $598.81 per share, representing shares delivered or withheld for payment of exercise price or tax liability. Following this event, Assaderaghi held 68,235 shares of common stock directly.

A footnote states that the post-transaction holdings include 57,770 unvested shares issuable under previously reported restricted stock units and performance-based restricted stock units, consisting of 27,319 time-vesting RSUs and 30,451 performance-based RSUs that vest based on specified absolute and relative price performance metrics over various performance periods. The Rule 10b5-1 checkbox was not marked.

SITIME Corp (SITM) executive Piyush B. Sevalia, EVP and Chief Business Officer, reported a Code F transaction involving 9,701 shares of common stock on 2026-08-20, representing shares delivered or withheld for payment of exercise price or tax liability. After this disposition, Sevalia holds 68,501 shares of common stock, including 50,547 unvested restricted stock units and performance-based restricted stock units that may vest over time or based on stock price performance.

SITIME Corp (SITM) director Frank Edward H. reported selling 1,000 shares of common stock on August 17, 2026 at $745.00 per share. Following this sale, he directly holds 10,999 shares, which include 390 shares issuable under an unvested restricted stock unit award. He also reports indirect ownership through the Whitton Anne Frank 2015 Heritage Trust and the Naomi Mantor Frank 2015 Heritage Trust, where he serves as a trustee with voting and investment power.

SITIME Corp (SITM) director Torsten Kreindl reported open-market sales of company common stock. On 2026-08-17, he sold 345 shares at a weighted average price of $750.12 per share, in multiple trades between $750.00 and $750.47. On 2026-08-14, he sold 350 shares at $700.00 per share. A disclosed share balance includes 390 unvested restricted stock units.

SITIME Corp director Katherine Schuelke reported a sale of 500 shares of Common Stock on 2026-08-11 at a price of $698.05 per share in an open-market or private transaction. After this sale, she reported holding 12,010 shares, which include 390 shares issuable under an unvested restricted stock unit award.

SITIME Corp executive Lionel Bonnot, Executive Vice President of Worldwide Sales and Business Development, reported a sale of 1,500 shares of Common Stock on 2026-08-10 at $725.00 per share in an open-market or private transaction. Following this sale, he directly held 71,297 shares, which include 65,813 shares issuable from unvested restricted stock units and performance-based restricted stock units. These unvested units comprise 23,215 time-based RSUs and 42,598 performance-based RSUs that vest based on absolute and relative stock price performance over various periods.

SiTime Corp director Torsten Kreindl reported two open-market sales of common stock on August 7, 2026. He sold 350 shares at $735.00 per share and 700 shares at $715.00 per share, totaling 1,050 shares. Following these transactions, his reported holdings include 390 shares issuable under unvested restricted stock units.

SITIME Corp director and CEO Rajesh Vashist reported open-market sales of common stock totaling 20,000 shares. Entities associated with him sold 5,000 indirectly held shares at $750.00 per share, and 15,000 directly held shares at $750.20 per share.

After these transactions, indirect holdings reported were 9,781 shares, and direct holdings were 387,898 shares of common stock. In addition, 291,529 shares are issuable from previously reported restricted stock units and performance-based restricted stock units that have not yet vested, including 85,426 time-based units and 206,103 performance-based units.

SiTime Corp director Raman Chitkara sold 2,000 shares of Common Stock in an open-market transaction. The shares were sold at a price of $727.38 per share. After this sale, he directly holds 19,898 shares, which include 390 unvested shares issuable under a restricted stock unit award.

SiTime Corp officer Vincent P. Pangrazio reported an open-market sale of 2,000 shares of common stock on June 12, 2026 at a price of $725.32 per share. After the transaction, he directly owned 53,416 shares of SiTime common stock.

A footnote explains that his holdings include 39,966 shares issuable from unvested equity awards, made up of 15,552 time-based restricted stock units and 24,414 performance-based restricted stock units that depend on absolute and relative stock price performance over various periods.

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.

SiTime Corp CEO Rajesh Vashist reported open-market sales of 40,000 shares of common stock on June 3, 2026. The transactions included 30,000 shares sold from his direct holdings and 10,000 shares sold through entities where he has voting and investment power.

The weighted average sale price was $701.13 per share, with individual trades ranging from $694.94 to $707.33. After these sales, Vashist holds 402,898 shares directly and 14,781 shares indirectly. In addition, 291,529 shares are issuable from previously reported unvested restricted stock units and performance-based restricted stock units.

SITIME Corp officer Fariborz Assaderaghi reported open-market sales of a total of 2,000 shares of SITIME common stock on June 3–4. He sold 1,000 shares at $702.90, 800 shares at $710.68, and 200 shares at $711.25 per share, with a weighted average sale price across multiple trades ranging from $700.23 to $716.61 per share. After these transactions, he directly holds 77,936 common shares. The filing also notes 76,830 additional shares subject to unvested restricted stock units and performance-based restricted stock units, including 32,013 time-based units and 44,817 units tied to the stock’s absolute and relative price performance over various periods.

SITIME Corp director Christine Heckart reported an open-market sale of 1,290 shares of Common Stock at $700.00 per share. The transaction occurred on June 2, 2026 and left her with 790 shares held directly. She also has 9,305 shares held indirectly through the H D & Christine Heckart 2014 Family Trust, where she has voting and investment power over the shares. Footnotes note that this indirect position includes 390 shares issuable under a restricted stock unit award that has not yet vested.

MOORTHY GANESH reported acquisition or exercise transactions in this Form 4 filing.

SiTime Corp director Ganesh Moorthy received a new equity grant. He was awarded 390 shares of common stock in the form of restricted stock units that vest fully on May 20, 2027. After this award, he holds a total of 1,903 shares of common stock, including 1,388 shares underlying previously reported unvested restricted stock units.

Frank Edward H. reported acquisition or exercise transactions in this Form 4 filing.

SITIME Corp director Frank Edward H. reported a compensation-related equity grant of 390 shares of common stock in the form of a restricted stock unit award at a price of $0.0000 per share. The award vests fully on May 20, 2027.

After this grant, he holds 11,999 shares of common stock directly. In addition, two 2015 Heritage Trusts each hold 1,000 shares indirectly, where he serves as a trustee with voting and investment power over those shares.

Heckart Christine reported acquisition or exercise transactions in this Form 4 filing.

SiTime Corp director Christine Heckart reported a new equity compensation grant and updated her share holdings. She received 390 shares of common stock through a restricted stock unit award at $0.00 per share, classified as a grant or award rather than an open-market purchase.

The restricted stock unit award vests fully on May 20, 2027. After this grant, Heckart holds 2,080 shares of common stock directly, which includes the 390 unvested shares from this award. She also has indirect ownership of 9,305 shares through the H D & Christine Heckart 2014 Family Trust, where she serves as a manager with voting and investment power.

Kreindl Torsten reported acquisition or exercise transactions in this Form 4 filing.

SiTime Corp director Torsten Kreindl received an equity grant under the company’s compensation program. He was awarded 390 shares of Common Stock in the form of a restricted stock unit award at no cash cost.

The award vests fully on May 20, 2027. After this grant, Kreindl beneficially owns 13,531 shares of SiTime common stock, including the 390 unvested shares issuable under this restricted stock unit award.

Takata Akira reported acquisition or exercise transactions in this Form 4 filing.

SITIME Corp director Akira Takata reported receiving a grant of 390 shares of Common Stock in the form of a restricted stock unit award. The award was granted at no cash cost and will vest in full on May 20, 2027. After this award, Takata holds 12,624 shares of SITIME Common Stock directly, including the unvested units.

Chitkara Raman reported acquisition or exercise transactions in this Form 4 filing.

SITIME Corp director Raman Chitkara reported an equity grant of 390 shares of common stock in the form of a restricted stock unit award. The award vests fully on May 20, 2027, meaning the shares are delivered only if he remains eligible through that date.

After this grant, Chitkara is shown as beneficially owning a total of 21,898 shares of common stock, including the 390 shares underlying this unvested restricted stock unit award. This is a compensation-related award, not an open-market stock purchase or sale.

AALAEI FARAJ reported acquisition or exercise transactions in this Form 4 filing.

SiTime Corp director Faraj Aalaei received a grant of 390 shares of common stock as a restricted stock unit (RSU) award. The award vests fully on May 20, 2027, meaning the shares are subject to service-based vesting conditions until that date.

After this grant, Aalaei directly holds 1,473 shares of common stock, which includes 1,227 shares issuable from previously reported RSUs that have not yet vested. This is a compensation-related equity award, not an open‑market purchase or sale.

SCHUELKE KATHERINE reported acquisition or exercise transactions in this Form 4 filing.

SITIME Corp director Katherine Schuelke received a grant of 390 shares of common stock in the form of restricted stock units at no purchase price. The award vests in full on May 20, 2027. After this grant, she holds a total of 12,510 shares directly, including the unvested restricted stock units. This reflects a compensation-related equity award rather than an open-market share purchase.

SiTime Corp officer Fariborz Assaderaghi reported an open-market sale of 1,500 shares of common stock on May 29, 2026 at a weighted average price of $712.72 per share. The shares were sold in multiple trades between $700.00 and $719.53 per share.

After this transaction, he holds 79,936 shares of common stock, including 76,830 unvested units tied to restricted stock and performance-based awards that vest over time and based on stock price performance.

SiTime Corp officer Fariborz Assaderaghi sold 1,709 shares of common stock in an open-market transaction at a weighted average price of $731.49 per share. The trades occurred on May 22, 2026 at prices ranging from $725.05 to $741.48 per share. After the sale, he directly owned 81,436 shares, including 76,830 shares underlying unvested restricted and performance-based stock units.

SITIME Corp director Torsten Kreindl reported an open-market sale of company stock. On May 21, 2026, he sold 710 shares of SITIME Corp common stock at a price of $720.00 per share. After this transaction, he continues to directly own 13,141 shares of the company’s common stock, indicating he still holds a meaningful ongoing stake.

SiTime Corp executive Ahamad Samsheer reported a routine tax-related share disposition. On this Form 4, 1,484 shares of common stock were withheld at $697 per share to cover tax obligations, a non-market transaction coded as a tax-withholding disposition. After this event, Samsheer directly holds 48,340 common shares. A footnote also notes 26,925 unvested equity units, including 13,991 time-based restricted stock units and 12,934 performance-based restricted stock units tied to SiTime’s stock price performance over various periods.

SiTime Corp officer Fariborz Assaderaghi reported a tax-withholding disposition of 6,049 shares of common stock at $697 per share. This was not an open-market sale but shares delivered to cover tax obligations. After the transaction, he directly holds 83,145 shares.

A related footnote states that his holdings include 76,830 unvested restricted stock units and performance-based restricted stock units. These comprise 32,013 time-based units that vest over time and 44,817 performance-based units that vest upon specified absolute and relative stock price performance over various periods.

SITIME Corp executive Vincent P. Pangrazio reported a tax-related share disposition. On the transaction date, 3,438 shares of common stock were used to cover tax obligations at a price of $697 per share, a non‑market transaction classified as a tax-withholding disposition. After this event, he held 55,416 shares directly, which include 39,966 shares issuable from unvested restricted stock units and performance-based restricted stock units that may vest over time or based on stock price performance.

SITIME Corp executive vice president and chief financial officer Elizabeth A. Howe reported a tax-related share disposition. On May 20, 2026, 2,738 shares of common stock were withheld at $697 per share to cover tax obligations, a non-market transaction labeled as a tax-withholding disposition.

After this event, Howe held a total of 67,888 shares of common stock. This total includes 58,148 shares issuable from unvested restricted stock units and performance-based restricted stock units, with 37,466 time-based units and 20,682 tied to absolute and relative stock price performance over various periods.

SITIME Corp officer Lionel Bonnot reported a tax-related share disposition. On May 20, 2026, 5,977 shares of common stock were delivered at $697 per share to cover exercise price or tax liabilities, a routine tax-withholding disposition rather than an open-market sale.

After this transaction, Bonnot directly holds 74,297 shares of SITIME common stock. This includes 65,813 unvested shares issuable from previously reported restricted stock units and performance-based restricted stock units, with 23,215 time-based RSUs and 42,598 performance-based RSUs tied to absolute and relative stock-price performance over various periods.

SiTime Corp officer Piyush B. Sevalia reported a routine tax-related share disposition. On this Form 4, 6,048 shares of common stock were withheld at $697.00 per share to cover tax obligations, a non‑market transaction categorized as a tax-withholding disposition.

After this event, Sevalia directly holds 78,202 shares of common stock. This position includes 69,607 shares underlying unvested restricted stock units and performance-based restricted stock units, made up of 24,790 time-based units and 44,817 units that vest based on specified stock price performance over various periods.

SITIME Corp Chief Executive Officer Rajesh Vashist reported compensation-related share movements involving company common stock. On May 20, 2026, 16,871 shares of common stock were disposed of at $697.00 per share as a tax-withholding disposition, meaning shares were delivered to cover exercise price or tax liabilities rather than sold in the open market.

After this transaction, Vashist held 432,898 shares of common stock directly. Indirectly, entities associated with him, including Aldebran Constellation LLC and two Aldebran family dynasty trusts, held a total of 25,809 shares after the reported transactions on May 21 and May 20, 2026. Footnotes also state that 291,529 shares of common stock are issuable from previously reported unvested restricted stock units and performance-based restricted stock units.

SiTime Corp director Christine Heckart reported gifting 18,610 shares of common stock. On May 14, 2026, she made bona fide gifts, including 9,305 shares transferred to the H D & Christine Heckart 2014 Family Trust, where she and her immediate family are beneficiaries and she remains the beneficial owner.

After these gifts, she holds 1,690 shares directly, which include 1,290 shares issuable under an unvested restricted stock unit award, and 9,305 shares indirectly through the family trust, over which she has voting and investment power.

MEGACHIPS CORP /FI, a ten percent owner of SiTime Corp, reported an open-market sale of 400,000 shares of Common Stock on May 14, 2026 at an average price of $779.50 per share. After this transaction, the reporting holder still owns 3,020,000 shares directly, so it remains a large shareholder despite the sizable sale.

SiTime Corp director Akira Takata reported an open-market sale of 1,500 shares of Common Stock on May 12, 2026 at $860.86 per share. After this transaction, he directly holds 12,234 shares, including 1,290 shares issuable from a restricted stock unit award that has not yet vested.

SiTime Corp officer Piyush B. Sevalia reported an open-market sale of common stock. On April 17, 2026, he sold 2,419 shares of SiTime common stock at $484.05 per share. After this transaction, he directly holds 84,250 shares of common stock.

A footnote states that his holdings also include an aggregate of 81,486 shares of common stock issuable from unvested equity awards. These comprise 29,486 time-based restricted stock units and 52,000 performance-based restricted stock units that may vest based on absolute and relative stock price performance over various periods.

SITIME Corp officer Piyush B. Sevalia reported an open-market sale of 1,247 shares of common stock at $425.00 per share. After this transaction, he directly holds 86,669 shares of common stock. This total includes 81,486 unvested restricted and performance-based restricted stock units that may vest over time or based on stock price performance.

SiTime Corp officer Piyush B. Sevalia reported an open-market sale of 1,249 shares of common stock at $375.00 per share. After this transaction, he directly holds 87,916 shares.

A footnote explains that this holding includes 81,486 shares underlying unvested restricted stock units and performance-based restricted stock units, with 29,486 time-based units and 52,000 units tied to stock price performance over various periods.

SiTime Corp Chief Executive Officer Rajesh Vashist reported non-market gifts of 96,000 shares of SiTime common stock. On February 11, 2026, he made bona fide gifts for estate planning purposes, including 24,000 shares each to the Aldebran Rajesh Family Dynasty Trust and the Aldebran Rohini Family Dynasty Trust.

Following these gifts, he directly holds 449,769 shares of common stock. Footnotes also state that 324,680 additional shares are issuable from previously reported unvested restricted stock units and performance-based restricted stock units, which vest over time and based on the share price performance of SiTime common stock.

SiTime Corp director Raman Chitkara reported an open-market sale of 501 shares of common stock. The transactions on March 2, 2026 included 1 share sold at $440.00 and 500 shares sold at $425.00. After these sales, he directly held 21,508 shares of common stock. A footnote states this figure includes 1,290 shares issuable from an unvested restricted stock unit award.

SiTime Corp executive Lionel Bonnot reported multiple transactions in company common stock. He completed open‑market sales totaling 4,126 shares on February 23–24, 2026 at weighted average prices around $406.48–$411.35 per share, with individual trades ranging from $398.48 to $410.40.

In addition, 3,869 shares were disposed of on February 20, 2026 to cover tax obligations through a share withholding transaction. After these moves, Bonnot directly held 80,274 shares of common stock. Footnote disclosure states he also has 77,553 unvested restricted stock and performance-based units, including 27,772 time‑vesting units and 49,781 units that vest based on the stock’s absolute and relative price performance.

SiTime Corp executive officer Vincent P. Pangrazio reported a tax-withholding disposition of shares. On February 20, 2026, he disposed of 1,843 shares of common stock at an implied value of $406.97 per share to cover tax obligations. After this transaction, he held 58,854 shares directly, including 46,716 shares underlying previously reported restricted stock units and performance-based units that remain unvested.