Ryan Hummer - 01 Nov 2025 Form 4 Insider Report for NCS Multistage Holdings, Inc. (NCSM)

Role: Chief Executive Officer, Director
Signature: /s/ Ori Lev, attorney-in-fact
Issuer symbol: NCSM
Transactions as of: 01 Nov 2025
Net transactions value: -$192,895
Form type: 4
Filing time: 03 Nov 2025, 17:26:03 UTC
Previous filing: 04 Mar 2025
Next filing: 03 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Hummer Ryan	Chief Executive Officer, Director	C/O NCS MULTISTAGE HOLDINGS, INC., 19350 STATE HIGHWAY 249, SUITE 600, HOUSTON	/s/ Ori Lev, attorney-in-fact	03 Nov 2025	0001700226

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	NCSM	Common Stock	Options Exercise	$0	+4,226	+12%	$0.000000	38,639	01 Nov 2025	Direct	F1
transaction	NCSM	Common Stock	Tax liability	$155,094	-4,226	-11%	$36.70	34,413	01 Nov 2025	Direct	F1
transaction	NCSM	Common Stock	Disposed to Issuer	$37,801	-1,030	-3%	$36.70	33,383	01 Nov 2025	Direct	F2, F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	NCSM	Equivalent Stock Units	Options Exercise	$0	-4,226	-16%	$0.000000	22,834	01 Nov 2025	Common Stock	4,226		Direct	F1, F4, F5

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Equivalent stock units vested on November 1, 2025 and settled for cash.
F2	These shares were surrendered to satisfy the tax obligations related to the vesting of restricted stock units.
F3	Includes 7,240 restricted stock units which vest in three equal annual installments beginning on February 28, 2026.
F4	These equivalent stock units settle in cash and represent the economic equivalent of one share of common stock, provided that the amount of cash settled for any equivalent stock unit will not exceed the maximum payout established by the Compensation, Nominating and Governance Committee.
F5	Includes 15,594 equivalent stock units which vest in two equal annual installments beginning on February 28, 2026 and 7,240 equivalent stock units which vest in three equal annual installments beginning on February 28, 2026.