Home

MICHAEL S CISKOWSKI

CIK 1229538 · EVP and CFO · last filed 2018-01-25

MICHAEL S CISKOWSKI is an EVP and CFO who has filed 63 SEC Form 4 insider transactions across 2 companies since 2007. The most recent filing, for VLO, was dated Jan 25, 2018. Across all open-market trades the lifetime net is −$69.5M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $79.8M across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

Loading insider history…
Disclosed Exposure

$79.78M

Companies

2

Total Filings

63

Lifetime Open-Market Net

-$69.46M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
VLO EVP and CFO 257,644 $309.65 $79.78M -$69.46M 61 2018-01-25
CST BRANDS, INC. (CST) Delisted Director 0 — — $0 2 2013-11-18

Recent Filings

63 filings
Insider activity across all companies, newest first. Form 4 rows are post-trade confirmations (buys, sells, grants, exercises). Notice (144) rows are pre-trade notices of intent to sell restricted or control stock under Rule 144 — they may not all execute. Compare adjacent dates to see which notices became actual sales.
Filed Symbol Action Net Shares Net $ Link
2018-01-25 VLO Mixed +13,601 -$1.74M EDGAR
2018-01-05 VLO Mixed — -$18.90M EDGAR
2017-12-21 VLO Mixed −57,157 -$4.06M EDGAR
2017-11-03 VLO Mixed +14,820 -$856.8K EDGAR
2017-09-21 VLO Sell (S) −53,012 -$3.86M EDGAR
2017-02-03 VLO Mixed +26,311 -$1.30M EDGAR
2017-01-30 VLO Mixed +26,311 -$1.30M EDGAR
2016-12-12 VLO Sell (S) −57,946 -$3.98M EDGAR
2016-11-04 VLO Mixed +17,920 -$763.2K EDGAR
2016-01-25 VLO Mixed +36,437 -$1.44M EDGAR
Showing 1–10 of 63
Page 1 of 7
Form 4 codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.