Stash Ptak

Insider

First SEC filing: March 24, 2021 · Latest: May 26, 2026

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

Insider at

SIG selling Sept. 12, 2024

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 57 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

57 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 22, 2026	SIG	A	25	—	—	23,943 Direct	+0.10%	Acquired	(price as of 2026-08-20)
April 2, 2026	SIG	F	577	$85.28	$49,207	23,918 Direct	-2.36%	Disposed	-2.6% (price as of 2026-08-20)
March 26, 2026	SIG	F	225	$88.83	$19,987	24,494 Direct	-0.91%	Disposed	-6.5% (price as of 2026-08-20)
March 24, 2026	SIG	A	2,962	—	—	24,719 Direct	+13.61%	Acquired	(price as of 2026-08-20)
March 17, 2026	SIG	F	323	$85.25	$27,536	21,757 Direct	-1.46%	Disposed	-2.6% (price as of 2026-08-20)
Feb. 20, 2026	SIG	A	14	—	—	22,080 Direct	+0.06%	Acquired	(price as of 2026-08-20)
Dec. 3, 2025	SIG	G	1,160	—	—	22,066 Direct	-4.99%	Disposed	(price as of 2026-08-20)
Nov. 21, 2025	SIG	A	15	—	—	23,226 Direct	+0.06%	Acquired	(price as of 2026-08-20)
Aug. 22, 2025	SIG	A	16	—	—	23,212 Direct	+0.07%	Acquired	(price as of 2026-08-20)
May 23, 2025	SIG	A	22	—	—	23,196 Direct	+0.09%	Acquired	(price as of 2026-08-20)
April 2, 2025	SIG	A	4,237	—	—	23,174 Direct	+22.37%	Acquired	(price as of 2026-08-20)
March 26, 2025	SIG	F	229	$59.93	$13,724	18,937 Direct	-1.19%	Disposed	38.5% (price as of 2026-08-20)
March 18, 2025	SIG	F	636	$48.43	$30,801	19,166 Direct	-3.21%	Disposed	71.4% (price as of 2026-08-20)
March 18, 2025	SIG	F	257	$48.43	$12,447	19,802 Direct	-1.28%	Disposed	71.4% (price as of 2026-08-20)
March 17, 2025	SIG	F	327	$48.46	$15,846	20,059 Direct	-1.60%	Disposed	71.3% (price as of 2026-08-20)
Sept. 12, 2024	SIG	S 10b5-1	1,050	$90.15	$94,658	20,386 Direct	-4.90%	Disposed	-7.9% (price as of 2026-08-20)
April 25, 2024	SIG	G	1,950	—	—	21,436 Direct	-8.34%	Disposed	(price as of 2026-08-20)
March 26, 2024	SIG	A	1,679	—	—	23,386 Direct	+7.73%	Acquired	(price as of 2026-08-20)
March 22, 2024	SIG	F	246	$90.48	$22,258	21,707 Direct	-1.12%	Disposed	-8.2% (price as of 2026-08-20)
March 22, 2024	SIG	A	1,424	—	—	21,953 Direct	+6.94%	Acquired	(price as of 2026-08-20)
March 18, 2024	SIG	F	239	$100.16	$23,938	20,529 Direct	-1.15%	Disposed	-17.1% (price as of 2026-08-20)
March 17, 2024	SIG	F	269	$100.16	$26,943	20,768 Direct	-1.28%	Disposed	-17.1% (price as of 2026-08-20)
Feb. 3, 2024	SIG	F	2,284	$99.43	$227,098	21,037 Direct	-9.79%	Disposed	-16.5% (price as of 2026-08-20)
Jan. 12, 2024	SIG	S 10b5-1	750	$100.36	$75,270	23,321 Direct	-3.12%	Disposed	-17.3% (price as of 2026-08-20)
Dec. 14, 2023	SIG	S 10b5-1	882	$99.49	$87,750	24,071 Direct	-3.53%	Disposed	-16.6% (price as of 2026-08-20)
Dec. 6, 2023	SIG	S 10b5-1	1,507	$94.00	$141,658	24,953 Direct	-5.70%	Disposed	-11.7% (price as of 2026-08-20)
Oct. 17, 2023	SIG	G	110	—	—	26,104 Direct	-0.42%	Disposed	(price as of 2026-08-20)
Oct. 4, 2023	SIG	G	110	—	—	26,214 Direct	-0.42%	Disposed	(price as of 2026-08-20)
Sept. 28, 2023	SIG	G	589	—	—	26,324 Direct	-2.19%	Disposed	(price as of 2026-08-20)
Sept. 25, 2023	SIG	G	110	—	—	26,913 Direct	-0.41%	Disposed	(price as of 2026-08-20)
Sept. 22, 2023	SIG	S 10b5-1	780	$73.70	$57,486	27,023 Direct	-2.81%	Disposed	12.6% (price as of 2026-08-20)
July 14, 2023	SIG	G	113	—	—	27,803 Direct	-0.40%	Disposed	(price as of 2026-08-20)
July 12, 2023	SIG	G	687	—	—	27,916 Direct	-2.40%	Disposed	(price as of 2026-08-20)
July 12, 2023	SIG	S 10b5-1	1,200	$74.02	$88,824	28,603 Direct	-4.03%	Disposed	12.2% (price as of 2026-08-20)
April 27, 2023	SIG	F	1,920	$74.57	$143,174	29,803 Direct	-6.05%	Disposed	11.3% (price as of 2026-08-20)
March 23, 2023	SIG	G	416	—	—	31,723 Direct	-1.29%	Disposed	(price as of 2026-08-20)
March 22, 2023	SIG	F	291	$75.51	$21,973	32,495 Direct	-0.89%	Disposed	9.9% (price as of 2026-08-20)
March 22, 2023	SIG	F	647	$75.51	$48,855	32,139 Direct	-1.97%	Disposed	9.9% (price as of 2026-08-20)
March 22, 2023	SIG	G	791	—	—	32,786 Direct	-2.36%	Disposed	(price as of 2026-08-20)
March 21, 2023	SIG	S	2,193	$75.62	$165,835	33,577 Direct	-6.13%	Disposed	9.8% (price as of 2026-08-20)
March 18, 2023	SIG	F	283	$74.70	$21,140	35,770 Direct	-0.78%	Disposed	11.1% (price as of 2026-08-20)
March 17, 2023	SIG	A	2,123	—	—	36,053 Direct	+6.26%	Acquired	(price as of 2026-08-20)
March 14, 2023	SIG	A	5,826	—	—	33,930 Direct	+20.73%	Acquired	(price as of 2026-08-20)
Jan. 28, 2023	SIG	F	6,230	$75.68	$471,486	28,104 Direct	-18.15%	Disposed	9.7% (price as of 2026-08-20)
Jan. 11, 2023	SIG	S 10b5-1	1,000	$75.00	$75,000	34,333 Direct	-2.83%	Disposed	10.7% (price as of 2026-08-20)
Sept. 13, 2022	SIG	G	142	—	—	35,333 Direct	-0.40%	Disposed	(price as of 2026-08-20)
June 30, 2022	SIG	F	399	$53.72	$21,434	35,475 Direct	-1.11%	Disposed	54.5% (price as of 2026-08-20)
April 27, 2022	SIG	F	1,920	$71.17	$136,646	35,874 Direct	-5.08%	Disposed	16.7% (price as of 2026-08-20)
April 25, 2022	SIG	F	180	$73.73	$13,271	37,794 Direct	-0.47%	Disposed	12.6% (price as of 2026-08-20)
March 30, 2022	SIG	G	200	—	—	37,974 Direct	-0.52%	Disposed	(price as of 2026-08-20)
March 29, 2022	SIG	G	200	—	—	38,174 Direct	-0.52%	Disposed	(price as of 2026-08-20)
March 29, 2022	SIG	S 10b5-1	421	$80.00	$33,680	38,374 Direct	-1.09%	Disposed	3.8% (price as of 2026-08-20)
March 23, 2022	SIG	G	807	—	—	38,795 Direct	-2.04%	Disposed	(price as of 2026-08-20)
March 22, 2022	SIG	F	194	$82.46	$15,997	39,602 Direct	-0.49%	Disposed	0.7% (price as of 2026-08-20)
March 18, 2022	SIG	A	1,887	—	—	39,797 Direct	+4.98%	Acquired	(price as of 2026-08-20)
March 15, 2022	SIG	F	2,505	$72.92	$182,665	37,910 Direct	-6.20%	Disposed	13.9% (price as of 2026-08-20)
March 15, 2022	SIG	A	8,178	—	—	40,415 Direct	+25.37%	Acquired	(price as of 2026-08-20)
March 15, 2022	SIG	A	14,835	—	—	32,237 Direct	+85.25%	Acquired	(price as of 2026-08-20)
Dec. 6, 2021	SIG	S 10b5-1	616	$85.59	$52,723	17,402 Direct	-3.42%	Disposed	-3.0% (price as of 2026-08-20)
Oct. 19, 2021	SIG	G	460	—	—	18,018 Direct	-2.49%	Disposed	(price as of 2026-08-20)
Oct. 18, 2021	SIG	G	217	—	—	18,478 Direct	-1.16%	Disposed	(price as of 2026-08-20)
June 30, 2021	SIG	F	269	$78.59	$21,141	18,695 Direct	-1.42%	Disposed	5.6% (price as of 2026-08-20)
April 27, 2021	SIG	F	1,296	$62.90	$81,518	18,964 Direct	-6.40%	Disposed	32.0% (price as of 2026-08-20)
April 25, 2021	SIG	F	243	$63.31	$15,384	20,260 Direct	-1.19%	Disposed	31.1% (price as of 2026-08-20)
March 22, 2021	SIG	A	1,942	—	—	20,503 Direct	+10.46%	Acquired	(price as of 2026-08-20)
Sept. 4, 2020	SIG	F	19	$18.76	$356	18,561 Direct	-0.10%	Disposed	342.6% (price as of 2026-08-20)
Sept. 4, 2020	SIG	A	60	—	—	18,580 Direct	+0.32%	Acquired	(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.

Initial ownership (Form 3) 2 holdings

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

Date	Ticker	Security	Shares	Ownership
March 24, 2021	SIG	Stock Option (Right to Purchase)→ Common Shares, par value $0.18 (2,000)	2,000	Direct
Sept. 4, 2020	SIG	Common Shares, par value $0.18	18,520	Direct