InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (3 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
3
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Browse the complete record of transactions filed by Kowlzan Mark W, Chairman & CEO. Director active across 1 company, notably Packaging CORP of America. Cumulatively, 24 reports have been published. Split: 0 buy · 3 sells. Total volume traded: €14.5m. Activity tracked since 21 June 2021. The latest transaction was disclosed on 27 March 2026 (Attribution). Regulator: SEC (Form 4). All data is accessible without signup.
Companies and markets linked to Kowlzan Mark W
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations24 total
43,010 shares0Common StockSEC:0001193125-26-134013:0
3,292 shares0Common StockSEC:0001193125-26-134013:1
20,513 shares@ US$212.2518.1% of flowCommon StockSEC:0001193125-26-134013:2
16,637 shares0Common StockSEC:0001193125-26-099887:0
16,992 shares0Common StockSEC:0001193125-26-078187:0
7,371 shares@ US$225.555.2% of flowCommon StockSEC:0001193125-26-067956:0
25,000 shares@ US$215.9718.1% of flowCommon StockSEC:0001193125-25-203152:0
27,559 shares0Common StockSEC:0000950170-25-051862:0
19,195 shares0Common StockSEC:0000950170-25-034904:0
17,993 shares0Common StockSEC:0000950170-25-029890:0
7,460 shares@ US$209.748.7% of flowCommon StockSEC:0000950170-25-026885:0
3,165 shares@ US$243.0094.1% of flowCommon StockSEC:0000950170-24-124020:0
28,915 shares0Common StockSEC:0001209191-24-005104:0
53,196 shares@ US$186.7053.6% of flowCommon StockSEC:0001209191-24-004560:0
20,098 shares0Common StockSEC:0001209191-24-004172:0
8,732 shares@ US$174.088.2% of flowCommon StockSEC:0001209191-24-004052:0
18,175 shares@ US$129.4012.6% of flowCommon StockSEC:0001209191-23-040249:0
28,201 shares0Common StockSEC:0001209191-23-020819:0
23,765 shares0Common StockSEC:0001209191-23-012905:0
33,830 shares0Common StockSEC:0001209191-22-042697:0
16,244 shares@ US$141.690.012% mcap100.0% of flowCommon StockSEC:0001209191-22-039734:0
16,637 shares0Common StockSEC:0001209191-22-012978:0
9,755 shares0Common StockSEC:0001209191-21-047717:0
2,182 shares0Common StockSEC:0001209191-21-042690:0
24 of 24 declarations
About Kowlzan Mark W
KOWLZAN MARK W is Président-Directeur Général and Chairman & CEO at Packaging CORP of America (XNAS). He has 24 filings, and within the recent filings covered in the sample, sells total 14464275 EUR and buys total 0 EUR, over the period from 2021-06-23 to 2026-03-31.
