SEC Form 4
SiTime Corporation (SITM) insider trading
In the 12 months to Oct 23, 2026, 13 SITM insiders reported open-market sales of $501.8M across 38 filings; no open-market purchases were filed.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $501.8M
- 38 filings · 13 insiders
- Open-market purchases
- $0
- 0 filings
- Pre-arranged sales (10b5-1)
- 18 of 38
- $60.6M of $501.8M sold (12%)
Who traded SITM, and when
- Sale
- Sale, pre-arranged (10b5-1)
SITM daily close from Oct 23, 2025 to Oct 23, 2026, between $252.76 and $901.48, last $462.14. 38 sale and 0 purchase filings by 13 insiders, marked at their filing dates. MEGACHIPS CORP /FI, 10% owner: sold $414.0M across 2 filings, first filed Nov 21, 2025, last May 18, 2026. Rajesh Vashist, Chief Executive Officer: sold $55.5M across 7 filings, first filed Nov 4, 2025, last Sep 10, 2026. Fariborz Assaderaghi, Officer (see filing): sold $8.7M across 7 filings, first filed Dec 3, 2025, last Oct 6, 2026. Samsheer Ahamad, Officer (see filing): sold $5.2M across 2 filings, first filed Dec 3, 2025, last Feb 12, 2026. Lionel Bonnot, Officer (see filing): sold $4.1M across 4 filings, first filed Nov 25, 2025, last Aug 12, 2026. Vincent P. Pangrazio, Officer (see filing): sold $3.3M across 2 filings, first filed Jun 15, 2026, last Sep 14, 2026. 7 others: sold $10.9M across 14 filings, first filed Feb 10, 2026, last Aug 19, 2026.
Largest mark · tap a row for others
MEGACHIPS CORP /FI · 10% owner
Sale $311,800,000
400,000 shares at $779.50 avg
Filed May 18, 2026 · traded May 14
Close on filing date $725.59
MEGACHIPS CORP /FI · 10% owner
10% owner
$414.0M soldRajesh Vashist · Chief Executive Officer
Chief Executive Officer
$55.5M soldFariborz Assaderaghi · Officer (see filing)
Officer (see filing)
$8.7M soldSamsheer Ahamad · Officer (see filing)
Officer (see filing)
$5.2M soldLionel Bonnot · Officer (see filing)
Officer (see filing)
$4.1M soldVincent P. Pangrazio · Officer (see filing)
Officer (see filing)
$3.3M sold7 others
Combined, one mark per week
$10.9M soldHas the SiTime Corporation's CEO sold stock?
Yes. Rajesh Vashist (CEO) sold 88,000 shares ($55.5M) between Nov 2025 and Sep 2026, $48.2M of it under a pre-arranged 10b5-1 plan.
Open-market trades
38 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| MEGACHIPS CORP /FI | 10% owner | $414.0M | — | 2 | — | |
| Rajesh Vashist | Chief Executive Officer | $55.5M | — | 7 | 87% of sales | |
| Fariborz Assaderaghi | Officer (see filing) | $8.7M | — | 7 | 59% of sales | |
| Samsheer Ahamad | Officer (see filing) | $5.2M | — | 2 | 22% of sales | |
| Lionel Bonnot | Officer (see filing) | $4.1M | — | 4 | 48% of sales | |
| Vincent P. Pangrazio | Officer (see filing) | $3.3M | — | 2 | — | |
| Akira Takata | Director | $2.8M | — | 2 | — | |
| Piyush B. Sevalia | Officer (see filing) | $2.6M | — | 4 | 100% of sales | |
| Torsten Kreindl | Director | $1.8M | — | 3 | — | |
| Raman Chitkara | Director | $1.7M | — | 2 | 87% of sales | |
| Christine Heckart | Director | $903.0K | — | 1 | — | |
| Edward H. Frank | Director | $745.0K | — | 1 | — | |
| Katherine Schuelke | Director | $349.0K | — | 1 | — |
| Filed | Insider | Type | Shares | Avg price | Value | Held after | Source |
|---|---|---|---|---|---|---|---|
traded | Fariborz Assaderaghi Officer (see filing) | SalePre-arranged (10b5-1) | 1,374 | $701.05 | $963.2K | 66,861 | |
traded | Vincent P. Pangrazio Officer (see filing) | Sale | 3,000 | $625.00 | $1.9M | 44,997 | |
traded | Rajesh Vashist Chief Executive Officer | Sale | 12,000 | $603.47 | $7.2M | 345,544 | |
traded | Edward H. Frank Director | Sale | 1,000 | $745.00 | $745.0K | 10,999 | |
traded | Torsten Kreindl Director | Sale | 695 | $724.88 | $503.8K | 11,786 | |
traded | Katherine Schuelke Director | Sale | 500 | $698.05 | $349.0K | 12,010 | |
traded | Lionel Bonnot Officer (see filing) | Sale | 1,500 | $725.00 | $1.1M | 71,297 | |
traded | Torsten Kreindl Director | Sale | 1,050 | $721.67 | $757.8K | 12,481 | |
traded | Rajesh Vashist Chief Executive Officer | SalePre-arranged (10b5-1) | 20,000 | $750.15 | $15.0M | Multiple accounts | |
traded | Vincent P. Pangrazio Officer (see filing) | Sale | 2,000 | $725.32 | $1.5M | 53,416 | |
traded | Lionel Bonnot Officer (see filing) | Sale | 1,500 | $712.01 | $1.1M | 72,797 | |
traded | Raman Chitkara Director | SalePre-arranged (10b5-1) | 2,000 | $727.38 | $1.5M | 19,898 | |
traded | Rajesh Vashist Chief Executive Officer | SalePre-arranged (10b5-1) | 40,000 | $701.13 | $28.0M | Multiple accounts | |
traded | Fariborz Assaderaghi Officer (see filing) | Sale | 2,000 | $706.85 | $1.4M | 77,936 | |
traded | Christine Heckart Director | Sale | 1,290 | $700.00 | $903.0K | 790 | |
traded | Fariborz Assaderaghi Officer (see filing) | Sale | 1,500 | $712.72 | $1.1M | 79,936 | |
traded | Fariborz Assaderaghi Officer (see filing) | SalePre-arranged (10b5-1) | 1,709 | $731.49 | $1.3M | 81,436 | |
traded | Torsten Kreindl Director | Sale | 710 | $720.00 | $511.2K | 13,141 | |
traded | MEGACHIPS CORP /FI 10% owner | Sale | 400,000 | $779.50 | $311.8M | 3,020,000 | |
traded | Akira Takata Director | Sale | 1,500 | $860.86 | $1.3M | 12,234 | |
traded | Piyush B. Sevalia Officer (see filing) | SalePre-arranged (10b5-1) | 2,419 | $484.05 | $1.2M | 84,250 | |
traded | Piyush B. Sevalia Officer (see filing) | SalePre-arranged (10b5-1) | 1,247 | $425.00 | $530.0K | 86,669 | |
traded | Piyush B. Sevalia Officer (see filing) | SalePre-arranged (10b5-1) | 1,249 | $375.00 | $468.4K | 87,916 | |
traded | Raman Chitkara Director | Sale | 501 | $425.03 | $212.9K | 22,008 | |
traded | Lionel Bonnot Officer (see filing) | SalePre-arranged (10b5-1) | 4,126 | $406.71 | $1.7M | 80,274 | |
traded | Fariborz Assaderaghi Officer (see filing) | SalePre-arranged (10b5-1) | 4,984 | $406.45 | $2.0M | 89,194 | |
traded | Piyush B. Sevalia Officer (see filing) | SalePre-arranged (10b5-1) | 1,132 | $419.04 | $474.4K | 92,923 | |
traded | Fariborz Assaderaghi Officer (see filing) | Sale | 2,612 | $425.78 | $1.1M | 97,937 | |
traded | Samsheer Ahamad Officer (see filing) | Sale | 9,100 | $441.47 | $4.0M | 52,938 | |
traded | Akira Takata Director | Sale | 3,500 | $431.73 | $1.5M | 13,734 | |
traded | Rajesh Vashist Chief Executive Officer | SalePre-arranged (10b5-1) | 2,000 | $369.20 | $738.4K | 431,609 | |
traded | Rajesh Vashist Chief Executive Officer | SalePre-arranged (10b5-1) | 2,000 | $291.02 | $582.0K | 433,609 | |
traded | Fariborz Assaderaghi Officer (see filing) | SalePre-arranged (10b5-1) | 3,000 | $296.83 | $890.5K | 83,315 | |
traded | Samsheer Ahamad Officer (see filing) | SalePre-arranged (10b5-1) | 4,000 | $291.10 | $1.2M | 51,711 | |
traded | Lionel Bonnot Officer (see filing) | SalePre-arranged (10b5-1) | 1,078 | $269.83 | $290.9K | 72,537 | |
traded | MEGACHIPS CORP /FI 10% owner | Sale | 400,000 | $255.60 | $102.2M | 3,420,000 | |
traded | Rajesh Vashist Chief Executive Officer | SalePre-arranged (10b5-1) | 10,000 | $329.00 | $3.3M | 439,208 | |
traded | Rajesh Vashist Chief Executive Officer | SalePre-arranged (10b5-1) | 2,000 | $289.75 | $579.5K | 450,208 |
GET /stocks/filings/vX/form-4?tickers=SITM&filing_date.gte=2025-10-23&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"SITM"
],
"issuer_cik": "0001451809",
"owner_cik": "0001834679",
"accession_number": "0001834679-26-000019",
"form_type": "4",
"filing_date": "2026-10-06",
"period_of_report": "2026-10-02",
"issuer_name": "SITIME Corp",
"issuer_trading_symbol": "SITM",
"owner_name": "Assaderaghi Fariborz",
"is_director": false,
"is_officer": true,
"is_ten_percent_owner": false,
"is_other": false,
"officer_title": "See Remarks",
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": true,
"transaction_date": "2026-10-02",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 1374,
"transaction_price_per_share": 701.05,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 66861,
"transaction_value": 963242.7,
"not_subject_to_section_16": false,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "Includes an aggregate of 57,770 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 27,319 restricted stock units that vest over time, and 30,451 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, Engineering & Technology"
},
{
"tickers": [
"SITM"
],
"issuer_cik": "0001451809",
"owner_cik": "0001514114",
"accession_number": "0001514114-26-000015",
"form_type": "4",
"filing_date": "2026-09-14",
"period_of_report": "2026-09-11",
"issuer_name": "SITIME Corp",
"issuer_trading_symbol": "SITM",
"owner_name": "Pangrazio Vincent P",
"is_director": false,
"is_officer": true,
"is_ten_percent_owner": false,
"is_other": false,
"officer_title": "See Remarks",
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-09-11",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 3000,
"transaction_price_per_share": 625,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 44997,
"transaction_value": 1875000,
"not_subject_to_section_16": false,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "Includes an aggregate of 29,322 shares of common stock issuable pursuant to previously reported restricted stock units and performance-based restricted stock units that have not vested. These\nunvested units include 12,698 restricted stock units that vest over time, and 16,624 performance-based restricted stock units that vest based on certain absolute and relative price performance of the\nissuer's common stock over various performance periods."
}
],
"remarks": "EVP, Chief Legal Officer & Corporate Secretary."
}
]
}
// trimmed to 2 resultsThe response includes every Form 4 record; this page keeps open-market purchases and sales on common stock and removes duplicate joint-filer rows.
Other insider activity (not market trades) · 81 records
- Tax withholding28 records
- Grants and awards39 records
- Gifts14 records
Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.
Build this yourself
This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:
Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for SITM every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.
How to read this page
- Open-market purchase or sale
- A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
- Pre-arranged (10b5-1)
- The insider marked the filing as made under a trading plan set up in advance (SEC Rule 10b5-1). The mark covers the whole filing, and an unmarked filing may still be under a plan.
- Filing date
- Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.