Kelly M. Kaiser

CIK: 0001992312

Transaction Breakdown

Open Market Buys (P)1 (4.3%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)9 (39.1%)

Compensation grants

Other (G, F, J, C, D, …)13 (56.5%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

PTLO

Portillo's Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (23 total)

PTLO
Portillo's Inc.
Oct 31, 2026
Tax Payment(F)
Direct
10.4K shares at avg. $4.87$51K
PTLO
Portillo's Inc.
Sep 5, 2026
Tax Payment(F)
Direct
437 shares at avg. $4.42$2K
PTLO
Portillo's Inc.
May 31, 2026
Tax Payment(F)
Direct
92 shares at avg. $3.86$355.12
PTLO
Portillo's Inc.
May 31, 2026
Award(A)
Direct
3.2K shares at avg. $3.86$12K
PTLO
Portillo's Inc.
May 2, 2026
Tax Payment(F)
Direct
1.8K shares at avg. $6.49$12K
PTLO
Portillo's Inc.
Apr 15, 2026
Tax Payment(F)
Direct
1.8K shares at avg. $5.52$10K
PTLO
Portillo's Inc.
Apr 15, 2026
Award(A)
Direct
40.8K shares-
PTLO
Portillo's Inc.
Feb 28, 2026
Award(A)
Direct
730 shares at avg. $4.81$4K
PTLO
Portillo's Inc.
Feb 28, 2026
Tax Payment(F)
Direct
25 shares at avg. $4.81$120.25
PTLO
Portillo's Inc.
Nov 30, 2025
Award(A)
Direct
95 shares at avg. $4.70$446.5
PTLO
Portillo's Inc.
Nov 30, 2025
Tax Payment(F)
Direct
2 shares at avg. $4.70$9.4
PTLO
Portillo's Inc.
Oct 31, 2025
Award(A)
Direct
35.5K shares-
PTLO
Portillo's Inc.
Sep 5, 2025
Tax Payment(F)
Direct
437 shares at avg. $6.82$3K
PTLO
Portillo's Inc.
Aug 31, 2025
Tax Payment(F)
Direct
24 shares at avg. $6.37$152.88
PTLO
Portillo's Inc.
Aug 31, 2025
Award(A)
Direct
827 shares at avg. $6.37$5K
PTLO
Portillo's Inc.
Aug 7, 2025
Purchase(P)
Direct
27K shares at avg. $7.68$207K
PTLO
Portillo's Inc.
May 31, 2025
Award(A)
Direct
1.5K shares at avg. $10.80$16K
PTLO
Portillo's Inc.
May 31, 2025
Tax Payment(F)
Direct
42 shares at avg. $10.80$453.6
PTLO
Portillo's Inc.
May 2, 2025
Tax Payment(F)
Direct
1.8K shares at avg. $10.45$19K
PTLO
Portillo's Inc.
Apr 15, 2025
Award(A)
Direct
18.6K shares-
PTLO
Portillo's Inc.
Feb 28, 2025
Award(A)
Direct
418 shares at avg. $12.57$5K
PTLO
Portillo's Inc.
Feb 28, 2025
Tax Payment(F)
Direct
14 shares at avg. $12.57$175.98
PTLO
Portillo's Inc.
Sep 5, 2024
Tax Payment(F)
Direct
437 shares at avg. $11.95$5K

		Type	Shares	Price		Ownership
Oct 31, 2026	PTLO Portillo's Inc.	Tax Payment(F)	10,405	$4.87	$50,672	Direct
Sep 5, 2026	PTLO Portillo's Inc.	Tax Payment(F)	437	$4.42	$1,932	Direct
May 31, 2026	PTLO Portillo's Inc.	Tax Payment(F)	92	$3.86	$355	Direct
May 31, 2026	PTLO Portillo's Inc.	Award(A)	3,161	$3.86	$12,201	Direct
May 2, 2026	PTLO Portillo's Inc.	Tax Payment(F)	1,840	$6.49	$11,942	Direct
Apr 15, 2026	PTLO Portillo's Inc.	Tax Payment(F)	1,805	$5.52	$9,964	Direct
Apr 15, 2026	PTLO Portillo's Inc.	Award(A)	40,760	-	$0	Direct
Feb 28, 2026	PTLO Portillo's Inc.	Award(A)	730	$4.81	$3,511	Direct
Feb 28, 2026	PTLO Portillo's Inc.	Tax Payment(F)	25	$4.81	$120	Direct
Nov 30, 2025	PTLO Portillo's Inc.	Award(A)	95	$4.70	$447	Direct
Nov 30, 2025	PTLO Portillo's Inc.	Tax Payment(F)	2	$4.70	$9	Direct
Oct 31, 2025	PTLO Portillo's Inc.	Award(A)	35,514	-	-	Direct
Sep 5, 2025	PTLO Portillo's Inc.	Tax Payment(F)	437	$6.82	$2,980	Direct
Aug 31, 2025	PTLO Portillo's Inc.	Tax Payment(F)	24	$6.37	$153	Direct
Aug 31, 2025	PTLO Portillo's Inc.	Award(A)	827	$6.37	$5,268	Direct
Aug 7, 2025	PTLO Portillo's Inc.	Purchase(P)	27,000	$7.68	$207,360	Direct
May 31, 2025	PTLO Portillo's Inc.	Award(A)	1,461	$10.80	$15,779	Direct
May 31, 2025	PTLO Portillo's Inc.	Tax Payment(F)	42	$10.80	$454	Direct
May 2, 2025	PTLO Portillo's Inc.	Tax Payment(F)	1,840	$10.45	$19,228	Direct
Apr 15, 2025	PTLO Portillo's Inc.	Award(A)	18,626	-	-	Direct
Feb 28, 2025	PTLO Portillo's Inc.	Award(A)	418	$12.57	$5,254	Direct
Feb 28, 2025	PTLO Portillo's Inc.	Tax Payment(F)	14	$12.57	$176	Direct
Sep 5, 2024	PTLO Portillo's Inc.	Tax Payment(F)	437	$11.95	$5,222	Direct

1-23 of 23 transactions

About Kaiser Kelly M

Kaiser Kelly M (SEC CIK 0001992312) files insider reports with the SEC as General Counsel and Secretary of Portillo's Inc. (PTLO).

Signal8 holds 16 ownership filings by Kaiser Kelly M, all Form 4s, filed between Sep 6, 2024 and Nov 2, 2026. Those filings report 23 transactions, from Sep 5, 2024 to Oct 31, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Kaiser Kelly M's filings is in OAK BROOK, IL.

Recent filings by Kaiser Kelly M

Oct 31, 2026: Tax withholding of PTLO shares (Form 4, code F).
Sep 5, 2026: Tax withholding of PTLO shares (Form 4, code F).
May 31, 2026: Tax withholding of PTLO shares (Form 4, code F).
May 31, 2026: Grant or award of PTLO shares (Form 4, code A).
May 2, 2026: Tax withholding of PTLO shares (Form 4, code F).

Other insiders filing for Portillo's Inc. (PTLO)

Waite Jill Francine, Chief People Officer
Correia Keith M, Chief Information Officer
DARDEN TONY J, Chief Operating Officer
Lauer Denise Peggy, Chief Marketing Officer
Kalicak Kevin, CFO & Treasurer
LEE EUGENE I JR, Director

How to read Form 4 transaction codes