POWER INTEGRATIONS INC

Ticker: POWI CUSIP: 739276103 Class: Common Stock

Boston Trust Walden Corp's Holding History (CIK: 0001534866)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 646,744 Value ($000) $22,985 Avg Close $37.75 Range $30.67 - $50.10

Q3 2025

Shares 703,240 Value ($000) $28,277 Avg Close $47.82 Range $38.91 - $59.47

Q2 2025

Shares 713,899 Value ($000) $39,907 Avg Close $50.63 Range $40.18 - $58.36

Q1 2025

Shares 733,747 Value ($000) $37,054 Avg Close $58.83 Range $48.83 - $66.96

Q4 2024

Shares 739,284 Value ($000) $45,614 Avg Close $62.30 Range $58.36 - $68.04

Q3 2024

Shares 769,361 Value ($000) $49,331 Avg Close $64.50 Range $55.42 - $77.20

Q2 2024

Shares 791,236 Value ($000) $55,537 Avg Close $69.91 Range $60.46 - $76.87

Q1 2024

Shares 792,180 Value ($000) $56,680 Avg Close $72.52 Range $66.34 - $82.47

Q4 2023

Shares 793,058 Value ($000) $65,118 Avg Close $74.26 Range $64.74 - $87.01

Q3 2023

Shares 789,274 Value ($000) $60,229 Avg Close $82.69 Range $71.82 - $96.17

Q2 2023

Shares 739,878 Value ($000) $70,044 Avg Close $80.51 Range $68.31 - $92.22

Q1 2023

Shares 718,660 Value ($000) $60,827 Avg Close $79.89 Range $68.31 - $88.42

Q4 2022

Shares 693,157 Value ($000) $49,713 Avg Close $68.50 Range $56.73 - $78.55

Q3 2022

Shares 698,666 Value ($000) $44,938 Avg Close $71.65 Range $61.14 - $82.05

Q2 2022

Shares 675,200 Value ($000) $50,647 Avg Close $77.53 Range $68.33 - $90.01

Q1 2022

Shares 619,933 Value ($000) $57,456 Avg Close $83.11 Range $69.07 - $94.42

Q4 2021

Shares 501,589 Value ($000) $46,592 Avg Close $93.47 Range $80.70 - $105.05

Q3 2021

Shares 497,569 Value ($000) $49,254 Avg Close $92.08 Range $72.50 - $105.27

Q2 2021

Shares 485,618 Value ($000) $39,850 Avg Close $76.63 Range $69.29 - $83.54

Q1 2021

Shares 501,454 Value ($000) $40,859 Avg Close $82.50 Range $71.90 - $93.83

Q4 2020

Shares 503,035 Value ($000) $41,178 Avg Close $64.22 Range $50.77 - $77.70

Q3 2020

Shares 501,030 Value ($000) $27,757 Avg Close $54.41 Range $47.61 - $60.12

Q2 2020

Shares 240,261 Value ($000) $28,382 Avg Close $49.57 Range $37.10 - $57.79

Q1 2020

Shares 216,954 Value ($000) $19,163 Avg Close $45.43 Range $36.34 - $52.44

Q4 2019

Shares 199,033 Value ($000) $19,687 Avg Close $43.28 Range $39.70 - $46.87

Q3 2019

Shares 195,660 Value ($000) $17,694 Avg Close $40.65 Range $35.95 - $47.94

Q2 2019

Shares 194,533 Value ($000) $15,597 Avg Close $34.16 Range $30.41 - $38.00

Q1 2019

Shares 197,681 Value ($000) $13,825 Avg Close $31.72 Range $26.00 - $35.37

Q4 2018

Shares 194,603 Value ($000) $11,867 Avg Close $27.46 Range $22.01 - $30.60

Q3 2018

Shares 204,363 Value ($000) $12,916 Avg Close $33.39 Range $28.42 - $36.17

Q2 2018

Shares 216,459 Value ($000) $15,813 Avg Close $33.57 Range $30.31 - $37.33

Q1 2018

Shares 221,762 Value ($000) $15,158 Avg Close $32.97 Range $27.96 - $36.94

Q4 2017

Shares 236,840 Value ($000) $17,420 Avg Close $35.18 Range $32.26 - $39.91

Q3 2017

Shares 228,309 Value ($000) $16,712 Avg Close $33.61 Range $30.70 - $38.09

Q2 2017

Shares 231,534 Value ($000) $16,878 Avg Close $30.45 Range $28.41 - $34.96

Q1 2017

Shares 300,576 Value ($000) $19,763 Avg Close $30.47 Range $28.17 - $33.28

Q4 2016

Shares 334,924 Value ($000) $22,724 Avg Close $29.96 Range $27.74 - $32.06

Q3 2016

Shares 348,499 Value ($000) $21,966 Avg Close $25.95 Range $21.76 - $28.92

Q2 2016

Shares 349,103 Value ($000) $17,480 Avg Close $22.25 Range $20.39 - $24.96

Q1 2016

Shares 395,693 Value ($000) $19,650 Avg Close $20.90 Range $17.93 - $22.74

Q4 2015

Shares 400,458 Value ($000) $19,475 Avg Close $22.06 Range $18.20 - $23.98

Q3 2015

Shares 537,550 Value ($000) $22,668 Avg Close $18.09 Range $16.26 - $20.65

Q2 2015

Shares 559,979 Value ($000) $25,300 Avg Close $22.52 Range $19.63 - $24.33

Q1 2015

Shares 569,871 Value ($000) $29,679 Avg Close $24.21 Range $22.14 - $26.42

Q4 2014

Shares 705,919 Value ($000) $36,525 Avg Close $22.81 Range $19.04 - $25.19

Q3 2014

Shares 747,778 Value ($000) $40,313 Avg Close $25.20 Range $22.98 - $28.86

Q2 2014

Shares 770,128 Value ($000) $44,313 Avg Close $24.97 Range $16.99 - $30.03

Q1 2014

Shares 825,345 Value ($000) $54,291 Avg Close $27.03 Range $24.11 - $30.73

Q4 2013

Shares 867,331 Value ($000) $48,414 Avg Close $24.04 Range $22.49 - $26.82

Q3 2013

Shares 1,105,934 Value ($000) $59,898 Avg Close $23.02 Range $17.96 - $25.46

Q2 2013

Shares 1,118,140 Value ($000) $45,351 Avg Close $18.48 Range $16.68 - $20.17

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	646,744	$22,985	$37.75	$30.67 - $50.10
Q3 2025	703,240	$28,277	$47.82	$38.91 - $59.47
Q2 2025	713,899	$39,907	$50.63	$40.18 - $58.36
Q1 2025	733,747	$37,054	$58.83	$48.83 - $66.96
Q4 2024	739,284	$45,614	$62.30	$58.36 - $68.04
Q3 2024	769,361	$49,331	$64.50	$55.42 - $77.20
Q2 2024	791,236	$55,537	$69.91	$60.46 - $76.87
Q1 2024	792,180	$56,680	$72.52	$66.34 - $82.47
Q4 2023	793,058	$65,118	$74.26	$64.74 - $87.01
Q3 2023	789,274	$60,229	$82.69	$71.82 - $96.17
Q2 2023	739,878	$70,044	$80.51	$68.31 - $92.22
Q1 2023	718,660	$60,827	$79.89	$68.31 - $88.42
Q4 2022	693,157	$49,713	$68.50	$56.73 - $78.55
Q3 2022	698,666	$44,938	$71.65	$61.14 - $82.05
Q2 2022	675,200	$50,647	$77.53	$68.33 - $90.01
Q1 2022	619,933	$57,456	$83.11	$69.07 - $94.42
Q4 2021	501,589	$46,592	$93.47	$80.70 - $105.05
Q3 2021	497,569	$49,254	$92.08	$72.50 - $105.27
Q2 2021	485,618	$39,850	$76.63	$69.29 - $83.54
Q1 2021	501,454	$40,859	$82.50	$71.90 - $93.83
Q4 2020	503,035	$41,178	$64.22	$50.77 - $77.70
Q3 2020	501,030	$27,757	$54.41	$47.61 - $60.12
Q2 2020	240,261	$28,382	$49.57	$37.10 - $57.79
Q1 2020	216,954	$19,163	$45.43	$36.34 - $52.44
Q4 2019	199,033	$19,687	$43.28	$39.70 - $46.87
Q3 2019	195,660	$17,694	$40.65	$35.95 - $47.94
Q2 2019	194,533	$15,597	$34.16	$30.41 - $38.00
Q1 2019	197,681	$13,825	$31.72	$26.00 - $35.37
Q4 2018	194,603	$11,867	$27.46	$22.01 - $30.60
Q3 2018	204,363	$12,916	$33.39	$28.42 - $36.17
Q2 2018	216,459	$15,813	$33.57	$30.31 - $37.33
Q1 2018	221,762	$15,158	$32.97	$27.96 - $36.94
Q4 2017	236,840	$17,420	$35.18	$32.26 - $39.91
Q3 2017	228,309	$16,712	$33.61	$30.70 - $38.09
Q2 2017	231,534	$16,878	$30.45	$28.41 - $34.96
Q1 2017	300,576	$19,763	$30.47	$28.17 - $33.28
Q4 2016	334,924	$22,724	$29.96	$27.74 - $32.06
Q3 2016	348,499	$21,966	$25.95	$21.76 - $28.92
Q2 2016	349,103	$17,480	$22.25	$20.39 - $24.96
Q1 2016	395,693	$19,650	$20.90	$17.93 - $22.74
Q4 2015	400,458	$19,475	$22.06	$18.20 - $23.98
Q3 2015	537,550	$22,668	$18.09	$16.26 - $20.65
Q2 2015	559,979	$25,300	$22.52	$19.63 - $24.33
Q1 2015	569,871	$29,679	$24.21	$22.14 - $26.42
Q4 2014	705,919	$36,525	$22.81	$19.04 - $25.19
Q3 2014	747,778	$40,313	$25.20	$22.98 - $28.86
Q2 2014	770,128	$44,313	$24.97	$16.99 - $30.03
Q1 2014	825,345	$54,291	$27.03	$24.11 - $30.73
Q4 2013	867,331	$48,414	$24.04	$22.49 - $26.82
Q3 2013	1,105,934	$59,898	$23.02	$17.96 - $25.46
Q2 2013	1,118,140	$45,351	$18.48	$16.68 - $20.17