David P Sommers

Insider

First SEC filing: June 10, 2010 · Latest: June 10, 2010

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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.
Compensation Executive pay disclosed in company proxy statements.

Insider at

NTCT selling Feb. 7, 2012

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 78 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

78 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Sept. 7, 2012	NTCT	M	5,040	—	—	46,400 Direct	-9.80%	Disposed	(price as of 2026-08-20)
Sept. 7, 2012	NTCT	F	2,102	$25.23	$53,033	195,264 Direct	-1.07%	Disposed	50.8% (price as of 2026-08-20)
Sept. 7, 2012	NTCT	M	5,040	—	—	197,366 Direct	+2.62%	Acquired	(price as of 2026-08-20)
Aug. 21, 2012	NTCT	A	8,278	—	—	51,440 Direct	-13.86%	Disposed	(price as of 2026-08-20)
June 8, 2012	NTCT	M	8,501	—	—	43,162 Direct	-16.45%	Disposed	(price as of 2026-08-20)
June 8, 2012	NTCT	F	3,335	$21.39	$71,336	192,326 Direct	-1.70%	Disposed	77.9% (price as of 2026-08-20)
June 8, 2012	NTCT	M	8,501	—	—	195,661 Direct	+4.54%	Acquired	(price as of 2026-08-20)
May 1, 2012	NTCT	M	2,000	—	—	51,663 Direct	-3.73%	Disposed	(price as of 2026-08-20)
May 1, 2012	NTCT	F	634	$18.22	$11,551	187,160 Direct	-0.34%	Disposed	108.8% (price as of 2026-08-20)
May 1, 2012	NTCT	M	2,000	—	—	187,794 Direct	+1.08%	Acquired	(price as of 2026-08-20)
Feb. 7, 2012	NTCT	M 10b5-1	25,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 7, 2012	NTCT	S 10b5-1	25,000	$21.12	$528,000	187,416 Direct	-11.77%	Disposed	80.2% (price as of 2026-08-20)
Feb. 7, 2012	NTCT	M 10b5-1	25,000	$4.22	$105,500	212,416 Direct	+13.34%	Acquired	801.7% (price as of 2026-08-20)
Feb. 6, 2012	NTCT	M	17,500	—	—	53,663 Direct	-24.59%	Disposed	(price as of 2026-08-20)
Feb. 6, 2012	NTCT	F	5,724	$20.93	$119,803	187,416 Direct	-2.96%	Disposed	81.8% (price as of 2026-08-20)
Feb. 6, 2012	NTCT	M	17,500	—	—	193,140 Direct	+9.96%	Acquired	(price as of 2026-08-20)
Dec. 31, 2011	NTCT	J	1,622	—	—	185,794 Direct	-0.87%	Disposed	(price as of 2026-08-20)
Sept. 7, 2011	NTCT	A	20,160	—	—	71,163 Direct	+39.53%	Acquired	(price as of 2026-08-20)
June 8, 2011	NTCT	M	8,500	—	—	51,003 Direct	-14.28%	Disposed	(price as of 2026-08-20)
June 8, 2011	NTCT	F	2,699	$20.24	$54,628	175,640 Direct	-1.51%	Disposed	88.0% (price as of 2026-08-20)
June 8, 2011	NTCT	M	8,500	—	—	178,339 Direct	+5.00%	Acquired	(price as of 2026-08-20)
April 25, 2011	NTCT	A	8,000	—	—	59,503 Direct	+15.53%	Acquired	(price as of 2026-08-20)
Feb. 4, 2011	NTCT	M	17,500	—	—	51,503 Direct	-25.36%	Disposed	(price as of 2026-08-20)
Feb. 4, 2011	NTCT	F	5,707	$24.14	$137,767	169,839 Direct	-3.25%	Disposed	57.6% (price as of 2026-08-20)
Feb. 4, 2011	NTCT	M	17,500	—	—	175,546 Direct	+11.07%	Acquired	(price as of 2026-08-20)
Jan. 25, 2011	NTCT	M 10b5-1	31,250	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Jan. 25, 2011	NTCT	M 10b5-1	31,250	$5.26	$164,375	158,046 Direct	+24.65%	Acquired	623.4% (price as of 2026-08-20)
Nov. 18, 2010	NTCT	M 10b5-1	9,000	—	—	31,250 Direct	-22.36%	Disposed	(price as of 2026-08-20)
Nov. 18, 2010	NTCT	S 10b5-1	9,000	$21.94	$197,460	126,796 Direct	-6.63%	Disposed	73.4% (price as of 2026-08-20)
Nov. 18, 2010	NTCT	M 10b5-1	9,000	$5.26	$47,340	135,796 Direct	+7.10%	Acquired	623.4% (price as of 2026-08-20)
Nov. 11, 2010	NTCT	M 10b5-1	9,750	—	—	40,250 Direct	-19.50%	Disposed	(price as of 2026-08-20)
Nov. 11, 2010	NTCT	S 10b5-1	9,750	$23.24	$226,590	126,796 Direct	-7.14%	Disposed	63.7% (price as of 2026-08-20)
Nov. 11, 2010	NTCT	M 10b5-1	9,750	$5.26	$51,285	136,546 Direct	+7.69%	Acquired	623.4% (price as of 2026-08-20)
June 8, 2010	NTCT	A	34,003	—	—	69,003 Direct	+97.15%	Acquired	(price as of 2026-08-20)
Feb. 18, 2010	NTCT	M 10b5-1	10,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 18, 2010	NTCT	S 10b5-1	10,000	$15.13	$151,300	126,796 Direct	-7.31%	Disposed	151.5% (price as of 2026-08-20)
Feb. 18, 2010	NTCT	M 10b5-1	10,000	$4.22	$42,200	136,796 Direct	+7.89%	Acquired	801.7% (price as of 2026-08-20)
Feb. 17, 2010	NTCT	M 10b5-1	10,000	—	—	10,000 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Feb. 17, 2010	NTCT	S 10b5-1	10,000	$15.15	$151,500	126,796 Direct	-7.31%	Disposed	151.2% (price as of 2026-08-20)
Feb. 17, 2010	NTCT	M 10b5-1	10,000	$4.22	$42,200	136,796 Direct	+7.89%	Acquired	801.7% (price as of 2026-08-20)
Feb. 16, 2010	NTCT	M 10b5-1	10,000	—	—	20,000 Direct	-33.33%	Disposed	(price as of 2026-08-20)
Feb. 16, 2010	NTCT	S 10b5-1	10,000	$15.05	$150,500	126,796 Direct	-7.31%	Disposed	152.8% (price as of 2026-08-20)
Feb. 16, 2010	NTCT	M 10b5-1	10,000	$4.22	$42,200	136,796 Direct	+7.89%	Acquired	801.7% (price as of 2026-08-20)
Feb. 4, 2010	NTCT	M	17,500	—	—	35,000 Direct	-33.33%	Disposed	(price as of 2026-08-20)
Feb. 4, 2010	NTCT	F	5,557	$14.57	$80,965	126,796 Direct	-4.20%	Disposed	161.2% (price as of 2026-08-20)
Feb. 4, 2010	NTCT	M	17,500	—	—	132,353 Direct	+15.24%	Acquired	(price as of 2026-08-20)
Jan. 28, 2010	NTCT	M 10b5-1	10,000	—	—	30,000 Direct	-25.00%	Disposed	(price as of 2026-08-20)
Jan. 28, 2010	NTCT	S 10b5-1	10,000	$14.30	$143,000	114,853 Direct	-8.01%	Disposed	166.1% (price as of 2026-08-20)
Jan. 28, 2010	NTCT	M 10b5-1	10,000	$4.22	$42,200	124,853 Direct	+8.71%	Acquired	801.7% (price as of 2026-08-20)
Jan. 27, 2010	NTCT	M 10b5-1	10,000	—	—	40,000 Direct	-20.00%	Disposed	(price as of 2026-08-20)
Jan. 27, 2010	NTCT	S 10b5-1	10,000	$14.35	$143,500	114,853 Direct	-8.01%	Disposed	165.2% (price as of 2026-08-20)
Jan. 27, 2010	NTCT	M 10b5-1	10,000	$4.22	$42,200	124,853 Direct	+8.71%	Acquired	801.7% (price as of 2026-08-20)
Jan. 26, 2010	NTCT	M 10b5-1	10,000	—	—	50,000 Direct	-16.67%	Disposed	(price as of 2026-08-20)
Jan. 26, 2010	NTCT	M	4,757	—	—	52,500 Direct	-8.31%	Disposed	(price as of 2026-08-20)
Jan. 26, 2010	NTCT	S 10b5-1	10,000	$14.62	$146,200	114,853 Direct	-8.01%	Disposed	160.3% (price as of 2026-08-20)
Jan. 26, 2010	NTCT	M 10b5-1	10,000	$4.22	$42,200	124,853 Direct	+8.71%	Acquired	801.7% (price as of 2026-08-20)
Jan. 26, 2010	NTCT	F	1,806	$14.66	$26,476	114,853 Direct	-1.55%	Disposed	159.5% (price as of 2026-08-20)
Jan. 26, 2010	NTCT	M	4,757	—	—	116,659 Direct	+4.25%	Acquired	(price as of 2026-08-20)
Dec. 2, 2009	NTCT	M 10b5-1	4,000	—	—	56,800 Direct	-6.58%	Disposed	(price as of 2026-08-20)
Dec. 1, 2009	NTCT	M 10b5-1	4,000	$4.22	$16,880	125,902 Direct	+3.28%	Acquired	801.7% (price as of 2026-08-20)
Dec. 1, 2009	NTCT	M 10b5-1	2,900	—	—	60,800 Direct	-4.55%	Disposed	(price as of 2026-08-20)
Dec. 1, 2009	NTCT	S 10b5-1	4,000	$13.09	$52,360	121,902 Direct	-3.18%	Disposed	190.7% (price as of 2026-08-20)
Dec. 1, 2009	NTCT	S 10b5-1	2,900	$13.00	$37,700	121,902 Direct	-2.32%	Disposed	192.7% (price as of 2026-08-20)
Dec. 1, 2009	NTCT	M 10b5-1	2,900	$4.22	$12,238	124,802 Direct	+2.38%	Acquired	801.7% (price as of 2026-08-20)
Nov. 29, 2009	NTCT	M 10b5-1	10,000	—	—	63,700 Direct	-13.57%	Disposed	(price as of 2026-08-20)
Nov. 29, 2009	NTCT	S 10b5-1	10,000	$12.24	$122,400	121,902 Direct	-7.58%	Disposed	210.9% (price as of 2026-08-20)
Nov. 29, 2009	NTCT	M 10b5-1	10,000	$4.22	$42,200	131,902 Direct	+8.20%	Acquired	801.7% (price as of 2026-08-20)
Nov. 27, 2009	NTCT	M 10b5-1	6,800	—	—	66,900 Direct	-9.23%	Disposed	(price as of 2026-08-20)
Nov. 27, 2009	NTCT	S 10b5-1	6,800	$12.29	$83,572	111,902 Direct	-5.73%	Disposed	209.6% (price as of 2026-08-20)
Nov. 27, 2009	NTCT	M 10b5-1	6,800	$4.22	$28,696	118,702 Direct	+6.08%	Acquired	801.7% (price as of 2026-08-20)
Nov. 25, 2009	NTCT	M 10b5-1	10,000	—	—	73,700 Direct	-11.95%	Disposed	(price as of 2026-08-20)
Nov. 25, 2009	NTCT	S 10b5-1	10,000	$12.53	$125,300	121,902 Direct	-7.58%	Disposed	203.7% (price as of 2026-08-20)
Nov. 25, 2009	NTCT	M 10b5-1	10,000	$4.22	$42,200	131,902 Direct	+8.20%	Acquired	801.7% (price as of 2026-08-20)
Nov. 17, 2009	NTCT	M 10b5-1	5,610	—	—	83,700 Direct	-6.28%	Disposed	(price as of 2026-08-20)
Nov. 17, 2009	NTCT	S 10b5-1	5,610	$13.00	$72,930	121,902 Direct	-4.40%	Disposed	192.7% (price as of 2026-08-20)
Nov. 17, 2009	NTCT	M 10b5-1	5,610	$4.22	$23,674	127,512 Direct	+4.60%	Acquired	801.7% (price as of 2026-08-20)
Nov. 11, 2009	NTCT	M 10b5-1	690	—	—	89,310 Direct	-0.77%	Disposed	(price as of 2026-08-20)
Nov. 11, 2009	NTCT	S 10b5-1	690	$13.00	$8,970	121,902 Direct	-0.56%	Disposed	192.7% (price as of 2026-08-20)
Nov. 11, 2009	NTCT	M 10b5-1	690	$4.22	$2,912	122,592 Direct	+0.57%	Acquired	801.7% (price as of 2026-08-20)
Oct. 29, 2009	NTCT	M 10b5-1	10,000	—	—	90,000 Direct	-10.00%	Disposed	(price as of 2026-08-20)
Oct. 29, 2009	NTCT	S 10b5-1	10,000	$12.73	$127,300	111,902 Direct	-8.20%	Disposed	198.9% (price as of 2026-08-20)
Oct. 29, 2009	NTCT	M 10b5-1	10,000	$4.22	$42,200	121,902 Direct	+8.94%	Acquired	801.7% (price as of 2026-08-20)
Oct. 28, 2009	NTCT	M 10b5-1	10,000	—	—	100,000 Direct	-9.09%	Disposed	(price as of 2026-08-20)
Oct. 28, 2009	NTCT	S 10b5-1	10,000	$13.09	$130,900	111,902 Direct	-8.20%	Disposed	190.7% (price as of 2026-08-20)
Oct. 28, 2009	NTCT	M 10b5-1	10,000	$4.22	$42,200	121,902 Direct	+8.94%	Acquired	801.7% (price as of 2026-08-20)
Oct. 27, 2009	NTCT	M 10b5-1	10,000	—	—	110,000 Direct	-8.33%	Disposed	(price as of 2026-08-20)
Oct. 27, 2009	NTCT	S 10b5-1	10,000	$13.16	$131,600	111,902 Direct	-8.20%	Disposed	189.1% (price as of 2026-08-20)
Oct. 27, 2009	NTCT	M 10b5-1	10,000	$4.22	$42,200	121,902 Direct	+8.94%	Acquired	801.7% (price as of 2026-08-20)
Oct. 26, 2009	NTCT	M	80,000	—	—	120,000 Direct	-40.00%	Disposed	(price as of 2026-08-20)
Oct. 26, 2009	NTCT	M	80,000	$4.22	$337,600	111,902 Direct	+250.77%	Acquired	801.7% (price as of 2026-08-20)
March 5, 2009	NTCT	M	10,000	—	—	200,000 Direct	-4.76%	Disposed	(price as of 2026-08-20)
March 5, 2009	NTCT	S 10b5-1	10,000	$12.01	$120,100	29,402 Direct	-25.38%	Disposed	216.8% (price as of 2026-08-20)
March 5, 2009	NTCT	M 10b5-1	10,000	$4.22	$42,200	39,402 Direct	+34.01%	Acquired	801.7% (price as of 2026-08-20)
Feb. 26, 2009	NTCT	M	10,000	—	—	210,000 Direct	-4.55%	Disposed	(price as of 2026-08-20)
Feb. 26, 2009	NTCT	S 10b5-1	10,000	$13.15	$131,500	29,402 Direct	-25.38%	Disposed	189.4% (price as of 2026-08-20)
Feb. 26, 2009	NTCT	M 10b5-1	10,000	$4.22	$42,200	39,402 Direct	+34.01%	Acquired	801.7% (price as of 2026-08-20)
Feb. 19, 2009	NTCT	M	10,000	—	—	220,000 Direct	-4.35%	Disposed	(price as of 2026-08-20)
Feb. 19, 2009	NTCT	S 10b5-1	10,000	$13.48	$134,800	29,402 Direct	-25.38%	Disposed	182.3% (price as of 2026-08-20)
Feb. 19, 2009	NTCT	M 10b5-1	10,000	$4.22	$42,200	39,402 Direct	+34.01%	Acquired	801.7% (price as of 2026-08-20)
Feb. 12, 2009	NTCT	M	10,000	—	—	230,000 Direct	-4.17%	Disposed	(price as of 2026-08-20)

Showing latest 100 of 119 transactions

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
Sept. 7, 2012	NTCT	Restricted Stock Unit	Common Stock (5,040)	—	—	5,040	Disposed
Aug. 21, 2012	NTCT	Restricted Stock Unit	Common Stock (8,278)	—	—	8,278	Disposed
June 8, 2012	NTCT	Restricted Stock Unit	Common Stock (8,501)	—	—	8,501	Disposed
May 1, 2012	NTCT	Restricted Stock Unit	Common Stock (2,000)	—	—	2,000	Disposed
Feb. 7, 2012	NTCT	Employee Stock Options (Right to Buy)	Common Stock (25,000)	$4.22	July 17, 2012	25,000	Disposed
Feb. 6, 2012	NTCT	Restricted Stock Unit	Common Stock (17,500)	—	—	17,500	Disposed
Sept. 7, 2011	NTCT	Restricted Stock Unit	Common Stock (20,160)	—	—	20,160	Acquired
June 8, 2011	NTCT	Restricted Stock Unit	Common Stock (8,500)	—	—	8,500	Disposed
April 25, 2011	NTCT	Restricted Stock Unit	Common Stock (8,000)	—	—	8,000	Acquired
Feb. 4, 2011	NTCT	Restricted Stock Unit	Common Stock (17,500)	—	—	17,500	Disposed
Jan. 25, 2011	NTCT	Employee Stock Options (Right to Buy)	Common Stock (31,250)	$5.26	June 27, 2011	31,250	Disposed
Nov. 18, 2010	NTCT	Employee Stock Options (Right to Buy)	Common Stock (9,000)	$5.26	June 27, 2011	9,000	Disposed
Nov. 11, 2010	NTCT	Employee Stock Options (Right to Buy)	Common Stock (9,750)	$5.26	June 27, 2011	9,750	Disposed
June 8, 2010	NTCT	Restricted Stock Unit	Common Stock (34,003)	—	—	34,003	Acquired
Feb. 18, 2010	NTCT	Employee Stock Options (Right to Buy)	Common Stock (10,000)	$4.22	April 25, 2010	10,000	Disposed
Feb. 17, 2010	NTCT	Employee Stock Options (Right to Buy)	Common Stock (10,000)	$4.22	April 25, 2010	10,000	Disposed
Feb. 16, 2010	NTCT	Employee Stock Options (Right to Buy)	Common Stock (10,000)	$4.22	April 25, 2010	10,000	Disposed
Feb. 4, 2010	NTCT	Restricted Stock Unit	Common Stock (17,500)	—	—	17,500	Disposed
Jan. 28, 2010	NTCT	Employee Stock Options (Right to Buy)	Common Stock (10,000)	$4.22	April 25, 2010	10,000	Disposed
Jan. 27, 2010	NTCT	Employee Stock Options (Right to Buy)	Common Stock (10,000)	$4.22	April 25, 2010	10,000	Disposed
Jan. 26, 2010	NTCT	Employee Stock Options (Right to Buy)	Common Stock (10,000)	$4.22	April 25, 2010	10,000	Disposed
Jan. 26, 2010	NTCT	Restricted Stock Unit	Common Stock (4,757)	—	—	4,757	Disposed
Dec. 2, 2009	NTCT	Employee Stock Options (Right to Buy)	Common Stock (4,000)	$4.22	April 25, 2010	4,000	Disposed
Dec. 1, 2009	NTCT	Employee Stock Options (Right to Buy)	Common Stock (2,900)	$4.22	April 25, 2010	2,900	Disposed
Nov. 29, 2009	NTCT	Employee Stock Options (Right to Buy)	Common Stock (10,000)	$4.22	April 25, 2010	10,000	Disposed
Nov. 27, 2009	NTCT	Employee Stock Options (Right to Buy)	Common Stock (6,800)	$4.22	April 25, 2010	6,800	Disposed
Nov. 25, 2009	NTCT	Employee Stock Options (Right to Buy)	Common Stock (10,000)	$4.22	April 25, 2010	10,000	Disposed
Nov. 17, 2009	NTCT	Employee Stock Options (Right to Buy)	Common Stock (5,610)	$4.22	April 25, 2010	5,610	Disposed
Nov. 11, 2009	NTCT	Employee Stock Options (Right to Buy)	Common Stock (690)	$4.22	April 25, 2010	690	Disposed
Oct. 29, 2009	NTCT	Employee Stock Options (Right to Buy)	Common Stock (10,000)	$4.22	April 25, 2010	10,000	Disposed
Oct. 28, 2009	NTCT	Employee Stock Options (Right to Buy)	Common Stock (10,000)	$4.22	April 25, 2010	10,000	Disposed
Oct. 27, 2009	NTCT	Employee Stock Options (Right to Buy)	Common Stock (10,000)	$4.22	April 25, 2010	10,000	Disposed
Oct. 26, 2009	NTCT	Employee Stock Options (Right to Buy)	Common Stock (80,000)	$4.22	April 25, 2010	80,000	Disposed
March 5, 2009	NTCT	Employee Stock Options (Right to Buy)	Common Stock (10,000)	$4.22	April 25, 2010	10,000	Disposed
Feb. 26, 2009	NTCT	Employee Stock Options (Right to Buy)	Common Stock (10,000)	$4.22	April 25, 2010	10,000	Disposed
Feb. 19, 2009	NTCT	Employee Stock Options (Right to Buy)	Common Stock (10,000)	$4.22	April 25, 2010	10,000	Disposed
Feb. 12, 2009	NTCT	Employee Stock Options (Right to buy)	Common Stock (10,000)	$4.22	April 25, 2010	10,000	Disposed
Feb. 5, 2009	NTCT	Employee Stock Options (Right to Buy)	Common Stock (10,000)	$4.22	April 25, 2010	10,000	Disposed
Feb. 4, 2009	NTCT	Restricted Stock Units	Common Stock (17,500)	—	—	17,500	Disposed
Jan. 27, 2009	NTCT	Restricted Stock Units	Common Stock (4,756)	—	—	4,756	Disposed
Feb. 7, 2008	NTCT	Restricted Stock Unit	Common Stock (4,756)	—	—	4,756	Disposed
Feb. 4, 2008	NTCT	Restricted Stock Unit	Common Stock (70,000)	—	—	70,000	Acquired
Jan. 30, 2007	NTCT	Restricted Stock Unit	Common Stock (4,756)	—	—	4,756	Disposed
Jan. 24, 2006	NTCT	Restricted Stock Unit	Common Stock (19,025)	—	—	19,025	Acquired

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

Compensation (DEF 14A)

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

NTCT

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2013	$265,000	—	—	—	$271,907	—	$18,168	$755,071
2012	$263,750	—	—	—	$138,000	—	$15,413	$887,761
2011	$250,000	—	—	—	$120,000	—	$13,614	$619,465

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