David D Grumhaus Jr.

Insider

First SEC filing: Nov. 29, 2016 · Latest: Nov. 29, 2016

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Insider at

2 buys (P) 0 sells (S) Net: $31,200 Avg return of open purchases vs now: 8.3% 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

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 25, 2025	DTF	P	1,400	$11.34	$15,876	6,652 Direct	+26.66%	Acquired	1.5% (price as of 2026-08-21)
Aug. 25, 2025	DPG	P	1,200	$12.77	$15,324	11,612 Direct	+11.53%	Acquired	15.0% (price as of 2026-08-21)
Nov. 26, 2024	DPG	P	1,500	$12.32	$18,480	9,877 Direct	+17.91%	Acquired	19.2% (price as of 2026-08-21)
Nov. 26, 2024	DNP	P	2,000	$9.60	$19,200	8,361 Direct	+31.44%	Acquired	14.3% (price as of 2026-08-21)
April 10, 2024	DTF	P	2,500	$10.70	$26,750	5,014 Direct	+99.44%	Acquired	7.6% (price as of 2026-08-21)
April 9, 2024	DTF	P	6	$10.77	$65	2,514 Direct	+0.24%	Acquired	6.9% (price as of 2026-08-21)
April 9, 2024	DPG	P	3,000	$9.42	$28,260	8,000 Direct	+60.00%	Acquired	55.9% (price as of 2026-08-21)
Dec. 12, 2023	DNP	P	3,000	$8.30	$24,900	5,879 Direct	+104.20%	Acquired	32.2% (price as of 2026-08-21)
July 31, 2023	DPG	P	2,500	$10.01	$25,025	5,000 Direct	+100.00%	Acquired	46.8% (price as of 2026-08-21)
June 16, 2023	DPG	P	2,500	$10.08	$25,200	2,500 Direct	—	Acquired	45.7% (price as of 2026-08-21)
March 24, 2023	DTF	P	2,500	$10.96	$27,400	2,500 Direct	—	Acquired	5.0% (price as of 2026-08-21)
Aug. 4, 2021	DNP	P	1,000	$10.57	$10,570	2,422 Direct	+70.32%	Acquired	3.8% (price as of 2026-08-21)

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
Nov. 29, 2016	DNP	Common Stock	0	Direct