// company-profile

Winmark Corp

WINA
ExchangeNasdaqSectorRetail-Miscellaneous RetailInc.MNFilings111Insiders14
// api This Winmark Corp insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

Recent insider activity is bullish. Over the last 30 days, 12 insiders purchased shares (net $8.5M). Buying was led by Hake Lisa Schurke.

// 90-day insight

Over the last 90 days, Winmark Corp insiders bought $10.9M across 17 transactions with no open-market sales.

  • Most active insider: Ishaug Anthony D with 3 transactions totaling $1.6M.
  • Largest single purchase: $3.5M by Hake Lisa Schurke on Jun 1, 2026.

Activity skews bullish — buys outpace sales.

Institutional Ownership

Top 13F-HR holders of Winmark Corp as of 2026-03-31

↑ increasing
Total reported AUM
$1.32B
QoQ change
+21.6%
Reporting period
2026-03-31
#1
BlackRock, Inc.
CIK 2012383
$137.0M
320K shares
#2
NEUBERGER BERMAN GROUP LLC
CIK 1465109
$121.5M
284K shares
#3
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
$88.0M
206K shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Jun 1, 2026Gaudette Renae M.WINA
Award
1,984$378.57$751K
Jun 1, 2026HEFFES BRETT DWINA
Award
4,620$378.57$1.75M
Jun 1, 2026Hake Lisa SchurkeWINA
Award
9,256$378.57$3.50M
Jun 1, 2026Hake Lisa SchurkeWINA
Award
1,712$378.57$648K
Jun 1, 2026SPRENGER GINA DECAROWINA
Award
356$378.57$135K

45 more transactions hidden

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