Robert B Callahan

Insider

First SEC filing: Dec. 23, 2024 · Latest: Dec. 23, 2024

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 12 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

12 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Dec. 20, 2024	POWL	F	3,333	$246.05	$820,085	17,100 Direct	-16.31%	Disposed	140.2% (price as of 2026-08-19)
Dec. 20, 2024	POWL	A	5,900	$246.05	$1,451,695	20,433 Direct	+40.60%	Acquired	140.2% (price as of 2026-08-19)
Dec. 2, 2024	POWL	A	4,000	$271.46	$1,085,840	14,533 Direct	+37.98%	Acquired	117.7% (price as of 2026-08-19)
Oct. 1, 2024	POWL	A	600	$182.14	$109,284	10,533 Direct	+6.04%	Acquired	224.5% (price as of 2026-08-19)
Sept. 30, 2024	POWL	F	1,133	$221.11	$250,518	9,933 Direct	-10.24%	Disposed	167.3% (price as of 2026-08-19)
Aug. 5, 2024	POWL	S	1,000	$160.00	$160,000	11,066 Direct	-8.29%	Disposed	269.4% (price as of 2026-08-19)
Nov. 15, 2010	IESC	D	23,300	—	—	7,988 Direct	-74.47%	Disposed	(price as of 2026-08-19)
Nov. 12, 2010	IESC	F	1,401	$3.52	$4,932	31,288 Direct	-4.29%	Disposed	19590.9% (price as of 2026-08-19)
Sept. 28, 2010	IESC	A	12,000	—	—	32,689 Direct	+58.00%	Acquired	(price as of 2026-08-19)
Jan. 1, 2009	IESC	F	1,959	$8.76	$17,161	20,689 Direct	-8.65%	Disposed	7812.3% (price as of 2026-08-19)
Dec. 10, 2008	IESC	A	11,300	—	—	22,648 Direct	+99.58%	Acquired	(price as of 2026-08-19)
Feb. 25, 2008	IESC	S	8,277	$16.00	$132,432	11,348 Direct	-42.18%	Disposed	4232.0% (price as of 2026-08-19)
Jan. 1, 2008	IESC	F	1,923	$18.79	$36,133	19,625 Direct	-8.92%	Disposed	3588.8% (price as of 2026-08-19)
Nov. 12, 2007	IESC	A	5,300	—	—	21,548 Direct	+32.62%	Acquired	(price as of 2026-08-19)
Aug. 15, 2007	IESC	P	500	$22.50	$11,250	16,748 Direct	+3.08%	Acquired	2980.5% (price as of 2026-08-19)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
May 30, 2024	POWL	Common Stock	12,066	Direct

Matched by name from proxy statements (DEF 14A) — verify against the filing.

Chief Human Resource Officer and Chief Information Officer(7)

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2025	$69,811	—	$218,568	—	$38,662	—	$15,301	$303,311
2024	$306,774	—	$186,516	—	$306,774	$175,083	$49,263	$1,024,410

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.