Updated Jul 16, 2026 · Last SEC filing 2026-07-06
POWER INTEGRATIONS INC (POWI) has filed 15 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-06. 2 Form 8-K material event filings were reported by POWI in the last 90 days. 13 Form 144 notices of proposed sale were filed for POWI stock. InsiderAlpha tracks every POWI SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0000833640 |
|---|
| Form 4 filings (90d) | 15 |
|---|---|
| Form 8-K filings (90d) | 2 |
| Form 144 notices (90d) | 13 |
| Latest Form 4 filing | 2026-07-06 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| LOWE GREGG A | Director | A — Grant or award | 2.5K | $0.00 | — | SEC | |
| Arienzo Wendy | Director | A — Grant or award | 2.5K | $0.00 | — | SEC | |
| Gioia Nancy Lee | Director | A — Grant or award | 2.5K | $0.00 | — | SEC | |
| Vig Ravi | Director | A — Grant or award | 2.5K | $0.00 | — | SEC | |
| Ganti Anita | Director | A — Grant or award | 2.5K | $0.00 | — | SEC | |
| IYER BALAKRISHNAN S | Director | A — Grant or award | 2.5K | $0.00 | — | SEC | |
| Gupta Sunil | Sr. Vice President, Operations | S — Open-market sale | 6.9K | $83.67 | $574K | SEC | |
| BALAKRISHNAN BALU | Director | S — Open-market sale | 95.3K | $86.25 | $8.22M | SEC | |
| BALAKRISHNAN BALU | Director | S — Open-market sale | 29.0K | $87.05 | $2.52M | SEC | |
| BRATHWAITE NICHOLAS | Director | S — Open-market sale | 1.7K | $86.62 | $150K | SEC | |
| BALAKRISHNAN BALU | Director | S — Open-market sale | 47.9K | $80.93 | $3.87M | SEC | |
| BALAKRISHNAN BALU | Director | S — Open-market sale | 70.7K | $82.26 | $5.82M | SEC | |
| BRATHWAITE NICHOLAS | Director | S — Open-market sale | 6.7K | $82.71 | $550K | SEC | |
| Gupta Sunil | Sr. Vice President, Operations | S — Open-market sale | 15.9K | $82.18 | $1.31M | SEC | |
| BALAKRISHNAN BALU | Director | S — Open-market sale | 53.9K | $70.71 | $3.81M | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for POWER INTEGRATIONS INC (POWI). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| BALAKRISHNAN BALU | 5 | $24.24M |
| BRATHWAITE NICHOLAS | 3 | $1.20M |
| Gupta Sunil | 2 | $1.88M |
| Gioia Nancy Lee | 1 | — |
| Arienzo Wendy | 1 | — |
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 POWI 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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