Updated Jul 16, 2026 · Last SEC filing 2026-06-15
SITIME Corp (SITM) has filed 29 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-15. 6 Form 8-K material event filings were reported by SITM in the last 90 days. 13 Form 144 notices of proposed sale were filed for SITM stock. InsiderAlpha tracks every SITM SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Semiconductors & Related Devices (SIC 3674) |
|---|---|
| SEC CIK | 0001451809 |
| Form 4 filings (90d) | 29 |
|---|---|
| Form 8-K filings (90d) | 6 |
| Form 144 notices (90d) | 13 |
| Latest Form 4 filing | 2026-06-15 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| VASHIST RAJESH | Chief Executive Officer | S — Open-market sale | 15.0K | $750.20 | $11.25M | SEC | |
| VASHIST RAJESH | Chief Executive Officer | S — Open-market sale | 5.0K | $750.00 | $3.75M | SEC | |
| Bonnot Lionel | See Remarks | S — Open-market sale | 500 | $736.02 | $368K | SEC | |
| Chitkara Raman | Director | S — Open-market sale | 2.0K | $727.38 | $1.45M | SEC | |
| Pangrazio Vincent P | See Remarks | S — Open-market sale | 2.0K | $725.32 | $1.45M | SEC | |
| Bonnot Lionel | See Remarks | S — Open-market sale | 1.0K | $700.00 | $700K | SEC | |
| Assaderaghi Fariborz | See Remarks | S — Open-market sale | 800 | $710.68 | $569K | SEC | |
| Assaderaghi Fariborz | See Remarks | S — Open-market sale | 200 | $711.25 | $142K | SEC | |
| Assaderaghi Fariborz | See Remarks | S — Open-market sale | 1.0K | $702.90 | $703K | SEC | |
| VASHIST RAJESH | Chief Executive Officer | S — Open-market sale | 30.0K | $701.13 | $21.03M | SEC | |
| VASHIST RAJESH | Chief Executive Officer | S — Open-market sale | 10.0K | $701.13 | $7.01M | SEC | |
| Heckart Christine | Director | S — Open-market sale | 1.3K | $700.00 | $903K | SEC | |
| SCHUELKE KATHERINE | Director | A — Grant or award | 390 | $0.00 | — | SEC | |
| Frank Edward H. | Director | A — Grant or award | 390 | $0.00 | — | SEC | |
| Heckart Christine | Director | A — Grant or award | 390 | $0.00 | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for SITIME Corp (SITM). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| VASHIST RAJESH | 7 | $54.81M |
| Assaderaghi Fariborz | 6 | $7.95M |
| Heckart Christine | 4 | $903K |
| Bonnot Lionel | 3 | $5.23M |
| Sevalia Piyush B | 2 | $5.39M |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in SITM insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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