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POWI SEC Filing News — Power Integrations, Inc.

Latest SEC filings for Power Integrations, Inc. (POWI) explained in plain English: insider buying and selling (Form 4), proposed insider sales (Form 144), material company events (8-K), and quarterly & annual reports (10-Q / 10-K). Sourced directly from SEC EDGAR.

What you’re looking at: Each item below is parsed from an actual SEC filing. Form 4 = confirmed insider transaction · Form 144 = proposed sale notice · 8-K = material event (earnings, M&A, leadership change, etc.) · 10-Q / 10-K = quarterly / annual report.
Form 4 Insider Selling 2026-05-29

POWI insider BRATHWAITE NICHOLAS (Director) sold 1,728 shares (~$149.7K)

BRATHWAITE NICHOLAS, listed as Director at POWER INTEGRATIONS INC, reported an open-market sale of 1,728 POWI shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: BRATHWAITE NICHOLAS (Director) Shares: 1,728 Est. Value: $149.7K
Form 4 Insider Selling 2026-05-29

POWI insider BALAKRISHNAN BALU (Director) sold 124,287 shares (~$10.74M)

BALAKRISHNAN BALU, listed as Director at POWER INTEGRATIONS INC, reported an open-market sale of 124,287 POWI shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: BALAKRISHNAN BALU (Director) Shares: 124,287 Est. Value: $10.74M
Form 144 Proposed Insider Sale 2026-05-29

POWI Form 144 filed for proposed insider sale by SUNIL K GUPTA (6,860 shares) ~$1.15M

SUNIL K GUPTA filed a Form 144 with the SEC indicating intent to sell POWI (POWER INTEGRATIONS INC) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: SUNIL K GUPTA Shares: 6,860 Est. Value: $1.15M
Form 4 Insider Selling 2026-05-28

POWI insider Gupta Sunil (Sr. Vice President, Operations) sold 15,894 shares (~$1.31M)

Gupta Sunil, listed as Sr. Vice President, Operations at POWER INTEGRATIONS INC, reported an open-market sale of 15,894 POWI shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: Gupta Sunil (Sr. Vice President, Operations) Shares: 15,894 Est. Value: $1.31M
Form 4 Insider Selling 2026-05-28

POWI insider BRATHWAITE NICHOLAS (Director) sold 6,655 shares (~$550.5K)

BRATHWAITE NICHOLAS, listed as Director at POWER INTEGRATIONS INC, reported an open-market sale of 6,655 POWI shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: BRATHWAITE NICHOLAS (Director) Shares: 6,655 Est. Value: $550.5K
Form 4 Insider Selling 2026-05-28

POWI insider BALAKRISHNAN BALU (Director) sold 118,573 shares (~$9.69M)

BALAKRISHNAN BALU, listed as Director at POWER INTEGRATIONS INC, reported an open-market sale of 118,573 POWI shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: BALAKRISHNAN BALU (Director) Shares: 118,573 Est. Value: $9.69M
Form 144 Large Proposed Insider Sale 2026-05-28

POWI Form 144 filed for proposed insider sale by BALU & MOHINI BALAKRISHNAN FAM TR (124,287 shares) ~$21.49M

BALU & MOHINI BALAKRISHNAN FAM TR filed a Form 144 with the SEC indicating intent to sell POWI (POWER INTEGRATIONS INC) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.

Filing: Form 144 (Proposed Sale Notice) Insider: BALU & MOHINI BALAKRISHNAN FAM TR Shares: 124,287 Est. Value: $21.49M
Form 144 Proposed Insider Sale 2026-05-27

POWI Form 144 filed for proposed insider sale by Nicholas & Janice Brathwaite Living Trust DTD 02/28/2007 (5,870 shares) ~$1.00M

Nicholas & Janice Brathwaite Living Trust DTD 02/28/2007 filed a Form 144 with the SEC indicating intent to sell POWI (POWER INTEGRATIONS INC) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: Nicholas & Janice Brathwaite Living Trust DTD 02/28/2007 Shares: 5,870 Est. Value: $1.00M
Form 4 Insider Selling 2026-05-26

POWI insider BALAKRISHNAN BALU (Director) sold 53,880 shares (~$3.81M)

BALAKRISHNAN BALU, listed as Director at POWER INTEGRATIONS INC, reported an open-market sale of 53,880 POWI shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: BALAKRISHNAN BALU (Director) Shares: 53,880 Est. Value: $3.81M
Form 144 Proposed Insider Sale 2026-05-26

POWI Form 144 filed for proposed insider sale by SUNIL K GUPTA (15,894 shares) ~$2.61M

SUNIL K GUPTA filed a Form 144 with the SEC indicating intent to sell POWI (POWER INTEGRATIONS INC) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: SUNIL K GUPTA Shares: 15,894 Est. Value: $2.61M
Form 144 Proposed Insider Sale 2026-05-26

POWI Form 144 filed for proposed insider sale by CLIFFORD J WALKER (14,700 shares) ~$2.26M

CLIFFORD J WALKER filed a Form 144 with the SEC indicating intent to sell POWI (POWER INTEGRATIONS INC) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: CLIFFORD J WALKER Shares: 14,700 Est. Value: $2.26M
Form 144 Large Proposed Insider Sale 2026-05-26

POWI Form 144 filed for proposed insider sale by BALU & MOHINI BALAKRISHNAN FAM TR (118,573 shares) ~$19.38M

BALU & MOHINI BALAKRISHNAN FAM TR filed a Form 144 with the SEC indicating intent to sell POWI (POWER INTEGRATIONS INC) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.

Filing: Form 144 (Proposed Sale Notice) Insider: BALU & MOHINI BALAKRISHNAN FAM TR Shares: 118,573 Est. Value: $19.38M
Form 144 Large Proposed Insider Sale 2026-05-21

POWI Form 144 filed for proposed insider sale by BALU & MOHINI BALAKRISHNAN FAM TR (53,880 shares) ~$7.62M

BALU & MOHINI BALAKRISHNAN FAM TR filed a Form 144 with the SEC indicating intent to sell POWI (POWER INTEGRATIONS INC) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.

Filing: Form 144 (Proposed Sale Notice) Insider: BALU & MOHINI BALAKRISHNAN FAM TR Shares: 53,880 Est. Value: $7.62M
Form 4 Tax / Compensation Filing 2026-05-19

POWI insider Form 4 filed for equity award, exercise, or tax withholding

Balow Michael (Sr. VP, Worldwide Sales) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Filing: Form 4 (Insider Transaction) Insider: Balow Michael (Sr. VP, Worldwide Sales) Shares: 32,768
Form 4 Insider Selling 2026-05-15

POWI insider BRATHWAITE NICHOLAS (Director) sold 6,895 shares (~$499.3K)

BRATHWAITE NICHOLAS, listed as Director at POWER INTEGRATIONS INC, reported an open-market sale of 6,895 POWI shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: BRATHWAITE NICHOLAS (Director) Shares: 6,895 Est. Value: $499.3K
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