Peter Sliwkowski

Insider

First SEC filing: July 19, 2004 · Latest: July 19, 2004

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.
Initial holdings The stakes this person held when they first started reporting.

Insider at

PRGS selling Oct. 31, 2005

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 39 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

39 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Nov. 15, 2005	PRGS	A	28,500	$30.81	$878,085	28,500 Direct	—	Acquired	114.0% (price as of 2026-08-19)
Nov. 15, 2005	PRGS	A	1,500	$30.81	$46,215	1,500 Direct	—	Acquired	114.0% (price as of 2026-08-19)
Oct. 31, 2005	PRGS	M	1,667	$12.81	$21,354	2,943 Direct	+130.64%	Acquired	414.6% (price as of 2026-08-19)
Oct. 31, 2005	PRGS	S	1,667	$31.10	$51,844	1,276 Direct	-56.64%	Disposed	112.0% (price as of 2026-08-19)
Oct. 31, 2005	PRGS	M	5,834	$13.08	$76,309	7,110 Direct	+457.21%	Acquired	404.0% (price as of 2026-08-19)
Oct. 31, 2005	PRGS	S	5,834	$31.10	$181,437	1,276 Direct	-82.05%	Disposed	112.0% (price as of 2026-08-19)
Oct. 31, 2005	PRGS	M	25,000	$13.24	$331,000	26,276 Direct	+1959.25%	Acquired	397.9% (price as of 2026-08-19)
Oct. 31, 2005	PRGS	S	25,000	$31.10	$777,500	1,276 Direct	-95.14%	Disposed	112.0% (price as of 2026-08-19)
Oct. 31, 2005	PRGS	M	17,499	$15.07	$263,710	18,775 Direct	+1371.39%	Acquired	337.5% (price as of 2026-08-19)
Oct. 31, 2005	PRGS	S	17,499	$31.10	$544,219	1,276 Direct	-93.20%	Disposed	112.0% (price as of 2026-08-19)
Oct. 31, 2005	PRGS	M	1,667	$12.81	$21,354	3,333 Direct	-33.34%	Disposed	414.6% (price as of 2026-08-19)
Oct. 31, 2005	PRGS	M	5,834	$13.08	$76,309	3,333 Direct	-63.64%	Disposed	404.0% (price as of 2026-08-19)
Oct. 31, 2005	PRGS	M	25,000	$13.24	$331,000	20,000 Direct	-55.56%	Disposed	397.9% (price as of 2026-08-19)
Oct. 31, 2005	PRGS	M	17,499	$15.07	$263,710	20,001 Direct	-46.66%	Disposed	337.5% (price as of 2026-08-19)
Aug. 19, 2005	PRGS	M	833	$12.81	$10,671	2,109 Direct	+65.28%	Acquired	414.6% (price as of 2026-08-19)
Aug. 19, 2005	PRGS	S	833	$30.71	$25,581	1,276 Direct	-39.50%	Disposed	114.7% (price as of 2026-08-19)
Aug. 19, 2005	PRGS	M	107	$12.06	$1,290	1,383 Direct	+8.39%	Acquired	446.6% (price as of 2026-08-19)
Aug. 19, 2005	PRGS	S	107	$30.71	$3,286	1,276 Direct	-7.74%	Disposed	114.7% (price as of 2026-08-19)
Aug. 19, 2005	PRGS	M	30,000	$13.08	$392,400	31,276 Direct	+2351.10%	Acquired	404.0% (price as of 2026-08-19)
Aug. 19, 2005	PRGS	S	30,000	$30.71	$921,300	1,276 Direct	-95.92%	Disposed	114.7% (price as of 2026-08-19)
Aug. 19, 2005	PRGS	M	833	$12.81	$10,671	5,000 Direct	-14.28%	Disposed	414.6% (price as of 2026-08-19)
Aug. 19, 2005	PRGS	M	107	$12.06	$1,290	0 Direct	-100.00%	Disposed	446.6% (price as of 2026-08-19)
Aug. 19, 2005	PRGS	M	30,000	$13.08	$392,400	9,167 Direct	-76.60%	Disposed	404.0% (price as of 2026-08-19)
Aug. 8, 2005	PRGS	M	900	$12.06	$10,854	2,176 Direct	+70.53%	Acquired	446.6% (price as of 2026-08-19)
Aug. 8, 2005	PRGS	S	900	$31.50	$28,350	1,276 Direct	-41.36%	Disposed	109.3% (price as of 2026-08-19)
Aug. 8, 2005	PRGS	M	900	$12.06	$10,854	107 Direct	-89.37%	Disposed	446.6% (price as of 2026-08-19)
Aug. 5, 2005	PRGS	M	707	$12.81	$9,057	1,983 Direct	+55.41%	Acquired	414.6% (price as of 2026-08-19)
Aug. 5, 2005	PRGS	S	707	$31.50	$22,270	1,276 Direct	-35.65%	Disposed	109.3% (price as of 2026-08-19)
Aug. 5, 2005	PRGS	M	3,993	$12.06	$48,156	5,269 Direct	+312.93%	Acquired	446.6% (price as of 2026-08-19)
Aug. 5, 2005	PRGS	S	3,993	$31.50	$125,780	1,276 Direct	-75.78%	Disposed	109.3% (price as of 2026-08-19)
Aug. 5, 2005	PRGS	M	707	$12.81	$9,057	0 Direct	-100.00%	Disposed	414.6% (price as of 2026-08-19)
Aug. 5, 2005	PRGS	M	100	$12.06	$1,206	0 Direct	-100.00%	Disposed	446.6% (price as of 2026-08-19)
Aug. 5, 2005	PRGS	M	3,893	$12.06	$46,950	1,007 Direct	-79.45%	Disposed	446.6% (price as of 2026-08-19)
July 13, 2005	PRGS	M	14,167	$12.81	$181,479	15,443 Direct	+1110.27%	Acquired	414.6% (price as of 2026-08-19)
July 13, 2005	PRGS	M	10,833	$13.08	$141,696	26,276 Direct	+70.15%	Acquired	404.0% (price as of 2026-08-19)
July 13, 2005	PRGS	S	22,600	$31.03	$701,278	3,676 Direct	-86.01%	Disposed	112.5% (price as of 2026-08-19)
July 13, 2005	PRGS	S	2,400	$31.14	$74,736	1,276 Direct	-65.29%	Disposed	111.7% (price as of 2026-08-19)
July 13, 2005	PRGS	M	14,167	$12.81	$181,479	5,833 Direct	-70.84%	Disposed	414.6% (price as of 2026-08-19)
July 13, 2005	PRGS	M	10,833	$13.08	$141,696	39,167 Direct	-21.67%	Disposed	404.0% (price as of 2026-08-19)
July 1, 2005	PRGS	M	30,000	$12.81	$384,300	31,276 Direct	+2351.10%	Acquired	414.6% (price as of 2026-08-19)
July 1, 2005	PRGS	S	30,000	$30.05	$901,500	1,276 Direct	-95.92%	Disposed	119.4% (price as of 2026-08-19)
July 1, 2005	PRGS	M	30,000	$12.81	$384,300	20,000 Direct	-60.00%	Disposed	414.6% (price as of 2026-08-19)
June 20, 2005	PRGS	M	30,000	$13.24	$397,200	31,276 Direct	+2351.10%	Acquired	397.9% (price as of 2026-08-19)
June 20, 2005	PRGS	S	20,500	$30.52	$625,660	10,776 Direct	-65.55%	Disposed	116.0% (price as of 2026-08-19)
June 20, 2005	PRGS	S	4,100	$30.56	$125,296	6,676 Direct	-38.05%	Disposed	115.7% (price as of 2026-08-19)
June 20, 2005	PRGS	S	1,100	$30.66	$33,726	5,576 Direct	-16.48%	Disposed	115.0% (price as of 2026-08-19)
June 20, 2005	PRGS	S	2,500	$30.74	$76,850	3,076 Direct	-44.84%	Disposed	114.5% (price as of 2026-08-19)
June 20, 2005	PRGS	S	1,800	$30.84	$55,512	1,276 Direct	-58.52%	Disposed	113.8% (price as of 2026-08-19)
June 20, 2005	PRGS	M	30,000	$13.24	$397,200	45,000 Direct	-40.00%	Disposed	397.9% (price as of 2026-08-19)
May 9, 2005	PRGS	M	7,500	$12.06	$90,450	8,776 Direct	+587.77%	Acquired	446.6% (price as of 2026-08-19)
May 9, 2005	PRGS	S	7,500	$27.00	$202,500	1,276 Direct	-85.46%	Disposed	144.2% (price as of 2026-08-19)
May 9, 2005	PRGS	M	7,500	$12.06	$90,450	4,900 Direct	-60.48%	Disposed	446.6% (price as of 2026-08-19)
May 4, 2005	PRGS	S	2,388	$26.00	$62,088	1,276 Direct	-65.17%	Disposed	153.6% (price as of 2026-08-19)
May 3, 2005	PRGS	M	7,500	$12.06	$90,450	11,164 Direct	+204.69%	Acquired	446.6% (price as of 2026-08-19)
May 3, 2005	PRGS	S	7,500	$25.51	$191,325	3,664 Direct	-67.18%	Disposed	158.4% (price as of 2026-08-19)
May 3, 2005	PRGS	M	7,500	$12.06	$90,450	12,400 Direct	-37.69%	Disposed	446.6% (price as of 2026-08-19)
Dec. 27, 2004	PRGS	M	25,000	$12.81	$320,250	27,594 Direct	+963.76%	Acquired	414.6% (price as of 2026-08-19)
Dec. 27, 2004	PRGS	S	25,000	$23.08	$577,000	2,594 Direct	-90.60%	Disposed	185.6% (price as of 2026-08-19)
Dec. 27, 2004	PRGS	M	25,000	$12.81	$320,250	707 Direct	-97.25%	Disposed	414.6% (price as of 2026-08-19)
Sept. 27, 2004	PRGS	A	2,600	$19.25	$50,050	2,600 Direct	—	Acquired	242.5% (price as of 2026-08-19)
Sept. 27, 2004	PRGS	A	22,400	$19.25	$431,200	22,400 Direct	—	Acquired	242.5% (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.

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
Nov. 15, 2005	PRGS	Nonqualified Stock Options	Common Stock (28,500)	$30.81	Nov. 14, 2012	28,500	Acquired
Nov. 15, 2005	PRGS	Incentive Stock Options	Common Stock (1,500)	$30.81	Nov. 14, 2012	1,500	Acquired
Oct. 31, 2005	PRGS	Nonqualified Stock Options	Common Stock (1,667)	$12.81	April 2, 2011	1,667	Disposed
Oct. 31, 2005	PRGS	Nonqualified Stock Options	Common Stock (5,834)	$13.08	Oct. 9, 2011	5,834	Disposed
Oct. 31, 2005	PRGS	Nonqualified Stock Options	Common Stock (25,000)	$13.24	Aug. 1, 2012	25,000	Disposed
Oct. 31, 2005	PRGS	Nonqualified Stock Options	Common Stock (17,499)	$15.07	Feb. 23, 2013	17,499	Disposed
Aug. 19, 2005	PRGS	Nonqualified Stock Options	Common Stock (833)	$12.81	April 2, 2011	833	Disposed
Aug. 19, 2005	PRGS	Nonqualified Stock Options	Common Stock (107)	$12.06	Oct. 5, 2010	107	Disposed
Aug. 19, 2005	PRGS	Nonqualified Stock Options	Common Stock (30,000)	$13.08	Oct. 9, 2011	30,000	Disposed
Aug. 8, 2005	PRGS	Nonqualified Stock Options	Common Stock (900)	$12.06	Oct. 5, 2010	900	Disposed
Aug. 5, 2005	PRGS	Nonqualified Stock Options	Common Stock (707)	$12.81	Feb. 10, 2009	707	Disposed
Aug. 5, 2005	PRGS	Incentive Stock Options	Common Stock (100)	$12.06	Oct. 5, 2010	100	Disposed
Aug. 5, 2005	PRGS	Nonqualified Stock Options	Common Stock (3,893)	$12.06	Oct. 5, 2010	3,893	Disposed
July 13, 2005	PRGS	Nonqualified Stock Options	Common Stock (14,167)	$12.81	April 2, 2011	14,167	Disposed
July 13, 2005	PRGS	Nonqualified Stock Options	Common Stock (10,833)	$13.08	Oct. 9, 2011	10,833	Disposed
July 1, 2005	PRGS	Nonqualified Stock Options	Common Stock (30,000)	$12.81	April 2, 2011	30,000	Disposed
June 20, 2005	PRGS	Nonqualified Stock Options	Common Stock (30,000)	$13.24	Aug. 1, 2012	30,000	Disposed
May 9, 2005	PRGS	Nonqualified Stock Options	Common Stock (7,500)	$12.06	Oct. 6, 2010	7,500	Disposed
May 3, 2005	PRGS	Nonqualified Stock Options	Common Stock (7,500)	$12.06	Oct. 6, 2010	7,500	Disposed
Dec. 27, 2004	PRGS	Nonqualified Stock Options	Common Stock (25,000)	$12.81	Feb. 10, 2009	25,000	Disposed
Sept. 27, 2004	PRGS	Nonqualified Stock Options	Common Stock (2,600)	$19.25	Sept. 26, 2014	2,600	Acquired
Sept. 27, 2004	PRGS	Incentive Stock Options	Common Stock (22,400)	$19.25	Sept. 26, 2014	22,400	Acquired

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

Initial ownership (Form 3) 12 holdings

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

Date	Ticker	Security	Shares	Ownership
July 19, 2004	PRGS	Common Stock	2,594	Direct
July 19, 2004	PRGS	Nonqualified Stock Option→ Common Stock	—	Direct
July 19, 2004	PRGS	Incentive Stock Option→ Common Stock	—	Direct
July 19, 2004	PRGS	Nonqualified Stock Option→ Common Stock	—	Direct
July 19, 2004	PRGS	Incentive Stock Option→ Common Stock	—	Direct
July 19, 2004	PRGS	Nonqualified Stock Option→ Common Stock	—	Direct
July 19, 2004	PRGS	Nonqualified Stock Option→ Common Stock	—	Direct
July 19, 2004	PRGS	Nonqualified Stock Option→ Common Stock	—	Direct
July 19, 2004	PRGS	Nonqualified Stock Option→ Common Stock	—	Direct
July 19, 2004	PRGS	Nonqualified Stock Option→ Common Stock	—	Direct
July 19, 2004	PRGS	Nonqualified Stock Option→ Common Stock	—	Direct
July 19, 2004	PRGS	Nonqualified Stock Option→ Common Stock	—	Direct