Andrew Wilder

Insider

First SEC filing: Aug. 31, 2022 · Latest: Aug. 31, 2022

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.

Insider at

NSSC selling Dec. 20, 2018

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 21 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

21 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 25, 2022	NSSC	A	5,000	$26.94	$134,700	42,100 Direct	+13.48%	Acquired	40.6% (price as of 2026-08-20)
Oct. 21, 2021	NSSC	A	5,000	$45.86	$229,300	18,550 Direct	+36.90%	Acquired	65.2% (price as of 2026-08-20)
Feb. 12, 2020	NSSC	A	3,750	$23.35	$87,562	13,550 Direct	+38.27%	Acquired	224.5% (price as of 2026-08-20)
Oct. 28, 2019	NSSC	A	4,000	—	—	4,000 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 6, 2019	NSSC	J	31,898	—	—	32,718 Direct	-49.37%	Disposed	(price as of 2026-08-20)
Dec. 20, 2018	NSSC	S	12,000	$14.59	$175,080	59,120 Direct	-16.87%	Disposed	419.3% (price as of 2026-08-20)
Dec. 12, 2018	NSSC	M	5,000	$4.88	$24,400	64,120 Direct	+8.46%	Acquired	1452.7% (price as of 2026-08-20)
Dec. 12, 2018	NSSC	F	1,514	$16.11	$24,391	62,606 Direct	-2.36%	Disposed	370.3% (price as of 2026-08-20)
Dec. 12, 2018	NSSC	M	2,000	$4.37	$8,740	64,606 Direct	+3.19%	Acquired	1633.9% (price as of 2026-08-20)
Dec. 12, 2018	NSSC	F	542	$16.11	$8,732	64,064 Direct	-0.84%	Disposed	370.3% (price as of 2026-08-20)
Dec. 12, 2018	NSSC	M	1,200	$8.70	$10,440	65,264 Direct	+1.87%	Acquired	770.9% (price as of 2026-08-20)
Dec. 12, 2018	NSSC	F	648	$16.11	$10,439	64,616 Direct	-0.99%	Disposed	370.3% (price as of 2026-08-20)
Dec. 12, 2018	NSSC	M	5,000	$4.88	$24,400	0 Direct	-100.00%	Disposed	1452.7% (price as of 2026-08-20)
Dec. 12, 2018	NSSC	M	2,000	$4.37	$8,740	0 Direct	-100.00%	Disposed	1633.9% (price as of 2026-08-20)
Dec. 12, 2018	NSSC	M	1,200	$8.70	$10,440	1,800 Direct	-40.00%	Disposed	770.9% (price as of 2026-08-20)
Dec. 11, 2018	NSSC	A	4,000	$16.20	$64,800	4,000 Direct	—	Acquired	367.7% (price as of 2026-08-20)
Dec. 13, 2017	NSSC	A	3,000	—	—	3,000 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 21, 2016	NSSC	S	12,000	$8.21	$98,520	71,120 Direct	-14.44%	Disposed	822.9% (price as of 2026-08-20)
Dec. 3, 2015	NSSC	S	13,000	$6.01	$78,130	83,120 Direct	-13.52%	Disposed	1160.7% (price as of 2026-08-20)
Oct. 21, 2014	NSSC	A	2,000	—	—	2,000 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 2, 2013	NSSC	A	5,000	—	—	5,000 Direct	—	Acquired	(price as of 2026-08-20)
June 7, 2012	NSSC	S	15,000	$3.03	$45,450	96,120 Direct	-13.50%	Disposed	2400.7% (price as of 2026-08-20)
June 7, 2012	NSSC	S	15,000	$3.03	$45,450	96,120 Direct	+18.49%	Acquired	2400.7% (price as of 2026-08-20)
Feb. 17, 2009	NSSC	P	1,500	$1.13	$1,695	111,120 Direct	+1.37%	Acquired	6605.3% (price as of 2026-08-20)
March 16, 2007	NSSC	A	6,000	—	—	6,000 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 9, 2005	NSSC	M	48,000	$1.72	$82,560	48,720 Direct	+6666.67%	Acquired	9811.8% (price as of 2026-08-20)
Sept. 9, 2005	NSSC	M	48,000	$1.72	$82,560	0 Direct	-100.00%	Disposed	9811.8% (price as of 2026-08-20)

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.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Aug. 25, 2022	NSSC	Non Employee Stock Options (Right to Buy)	Common Stock (5,000)	$26.94	Aug. 25, 2032	5,000	Acquired
Oct. 21, 2021	NSSC	Non Employee Stock Options (Right to Buy)	Common Stock (5,000)	$45.86	Oct. 21, 2031	5,000	Acquired
Feb. 12, 2020	NSSC	Non Employee Stock Options (Right to Buy)	Common Stock (3,750)	$23.35	Feb. 12, 2030	3,750	Acquired
Oct. 28, 2019	NSSC	Non Employee Stock Options (Right to Buy)	Common Stock (4,000)	$30.54	Oct. 28, 2029	4,000	Acquired
Dec. 12, 2018	NSSC	Non Employee Stock Options (Right to Buy)	Common Stock (5,000)	$4.88	Sept. 9, 2023	5,000	Disposed
Dec. 12, 2018	NSSC	Non Employee Stock Options (Right to Buy)	Common Stock (2,000)	$4.37	Oct. 20, 2024	2,000	Disposed
Dec. 12, 2018	NSSC	Non Employee Stock Options (Right to Buy)	Common Stock (3,000)	$8.70	Dec. 13, 2027	1,200	Disposed
Dec. 11, 2018	NSSC	Non Employee Stock Options (Right to Buy)	Common Stock (4,000)	$16.20	Dec. 11, 2028	4,000	Acquired
Dec. 13, 2017	NSSC	Non Employee Stock Options (Right to Buy)	Common Stock (3,000)	$8.70	Dec. 13, 2027	3,000	Acquired
Oct. 21, 2014	NSSC	NAPCO Security Technologies, Inc. Non-Employee Stock Options	NAPCO Security Technologies, Inc. Common Stock (2,000)	$4.37	Oct. 20, 2024	2,000	Acquired
Oct. 2, 2013	NSSC	NAPCO Security Technologies, Inc. Non-Employee Stock Options	NAPCO Security Technologies, Inc. Common Stock (5,000)	$4.88	Sept. 9, 2023	5,000	Acquired
March 16, 2007	NSSC	NAPCO Security Systems, Inc. Non-Employee Stock Options	NAPCO Security Systems, Inc. Common Stock (6,000)	$5.03	March 16, 2012	6,000	Acquired
Sept. 9, 2005	NSSC	NAPCO Security Systems, Inc. Non Employee Stock Options	NAPCO Security Systems, Inc. Common Stock (0)	$1.72	Sept. 27, 2005	48,000	Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).