SHAK insider buying and SEC filings, explained

Shake Shack Inc. · CIK 1620533

Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov

Company profile

Exchanges: NYSE
Industry (SIC): Retail-Eating & Drinking Places
Fiscal year end: Dec 31

Insider activity in the last 12 months

Bought

$3.2M

Insiders who bought

Sold (not marked 10b5-1)

Planned sales (10b5-1)

$178K

Insider purchases and sales, last 12 months

Traded	Type	What was filed	Source
May 15, 2026	Purchase (code P)	Robert Lynch (CEO and Director) bought 5,000 shares at about $60.39 ($302K), reported as a purchase (code P). Holdings up 7% to 77,845 shares. Not marked as a 10b5-1 plan trade.	SEC filing Filed May 18, 2026
May 15, 2026	Purchase (code P)	Sumaiya Balbale (Director) bought 4,068 shares at about $61.42 ($250K), reported as a purchase (code P). Holdings up 44% to 13,407 shares. Not marked as a 10b5-1 plan trade.	SEC filing Filed May 18, 2026
May 15, 2026	Purchase (code P)	Josh Silverman (Director) bought 8,290 shares indirectly (by trust) at about $60.38 ($501K), reported as a purchase (code P). New position of 8,290 shares. Not marked as a 10b5-1 plan trade.	SEC filing Filed May 18, 2026
May 15, 2026	Purchase (code P)	Daniel Harris Meyer (Director and 10% owner) bought 32,258 shares indirectly (by trust) at about $61.88 ($2.0M), reported as a purchase (code P). Holdings by trust up 9% to 378,670 shares. Not marked as a 10b5-1 plan trade.	SEC filing Filed May 18, 2026
May 15, 2026	Purchase (code P)	Charles J Chapman III (Director) bought 2,000 shares indirectly (by retirement or benefit plan) at about $61.36 ($123K), reported as a purchase (code P). New position of 1,000 shares. Not marked as a 10b5-1 plan trade.	SEC filing Filed May 18, 2026
May 15, 2026	Purchase (code P)	Jeffrey Flug (Director and 10% owner) bought 1,000 shares at about $61.30 ($61K), reported as a purchase (code P). Holdings up 22% to 5,470 shares. Not marked as a 10b5-1 plan trade.	SEC filing Filed May 18, 2026
Apr 15, 2026	Planned (10b5-1)	Stephanie Ann Sentell (Chief Operations Officer) sold 258 shares at $102.21 ($26K), marked as a 10b5-1 plan trade. Holdings down 2% to 15,084 shares.	SEC filing Filed Apr 17, 2026
Mar 6, 2026	Planned (10b5-1)	Stephanie Ann Sentell (Chief Operations Officer) sold 225 shares at $93.60 ($21K), marked as a 10b5-1 plan trade. Holdings down 1% to 15,342 shares.	SEC filing Filed Mar 10, 2026
Jan 20, 2026	Planned (10b5-1)	Stephanie Ann Sentell (Chief Operations Officer) sold 200 shares at $99.19 ($20K), marked as a 10b5-1 plan trade. Holdings down 2% to 9,507 shares.	SEC filing Filed Jan 22, 2026
Dec 19, 2025	Planned (10b5-1)	Stephanie Ann Sentell (Chief Operations Officer) sold 200 shares at $85.78 ($17K), marked as a 10b5-1 plan trade. Holdings down 2% to 9,707 shares.	SEC filing Filed Dec 22, 2025
Nov 25, 2025	Planned (10b5-1)	Stephanie Ann Sentell (Chief Operations Officer) sold 1,100 shares at about $85.14 ($94K), marked as a 10b5-1 plan trade. Holdings down 10% to 9,907 shares.	SEC filing Filed Nov 26, 2025

16 routine transactions (such as grants, option exercises or tax withholding) are not listed.

Cluster buys

6 insiders bought in 30 days

$3.2M in purchases since May 15, 2026 · Purchases traded May 15, 2026 to May 15, 2026 · Closed

Insider	Value	Traded	Source
Jeffrey Flug (Director)	$61K	May 15, 2026	SEC filing
Charles J Chapman III (Director)	$123K	May 15, 2026	SEC filing
Daniel Harris Meyer (Director)	$2.0M	May 15, 2026	SEC filing
Josh Silverman (Director)	$501K	May 15, 2026	SEC filing
Sumaiya Balbale (Director)	$250K	May 15, 2026	SEC filing
Robert Lynch (CEO)	$302K	May 15, 2026	SEC filing

Red flags

No red flags in the last 12 months.

Key events

No key events in the last 12 months.

8-K filings, last 12 months

No 8-K filings in the last 12 months.

Red flags are objective triggers only: the item or form filed, never an opinion.

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