Michael R. Splinter

CIK: 0001188935

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)1 (8.3%)

Derivative conversions

Awards (A)9 (75.0%)

Compensation grants

Other (G, F, J, C, D, …)2 (16.7%)

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

Companies & Roles (3)

NDAQ

NASDAQ, INC.

Director

TYGO

TIGO ENERGY, INC.

Director

TSM

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

Director

Discretionary Trading P&L

Holdings

Transaction History (12 total)

NDAQ
NASDAQ, INC.
Jun 10, 2026
Award(A)
Direct
5.2K shares-
TYGO
TIGO ENERGY, INC.
May 20, 2026
Award(A)
Direct
9.9K shares-
TYGO
TIGO ENERGY, INC.
May 20, 2026
Award(A)
Direct
33.1K shares-
NDAQ
NASDAQ, INC.
Jan 30, 2026
Gift(G)
Indirect
4.7K shares-
NDAQ
NASDAQ, INC.
Jan 30, 2026
Gift(G)
Direct
4.7K shares-
TYGO
TIGO ENERGY, INC.
Nov 25, 2025
Award(A)
Direct
20.9K shares at avg. $1.79$37K
TYGO
TIGO ENERGY, INC.
Aug 6, 2025
Exercise(M)
Direct
11.7K shares at avg. $0.60$7K
NDAQ
NASDAQ, INC.
Jun 11, 2025
Award(A)
Direct
5.2K shares-
TYGO
TIGO ENERGY, INC.
May 20, 2025
Award(A)
Direct
126.9K shares-
TYGO
TIGO ENERGY, INC.
May 19, 2025
Award(A)
Direct
39.5K shares-
TYGO
TIGO ENERGY, INC.
Nov 23, 2024
Award(A)
Direct
40.3K shares-
TYGO
TIGO ENERGY, INC.
May 21, 2024
Award(A)
Direct
54.1K shares-

		Type	Shares	Price		Ownership
Jun 10, 2026	NDAQ NASDAQ, INC.	Award(A)	5,246	-	$0	Direct
May 20, 2026	TYGO TIGO ENERGY, INC.	Award(A)	9,920	-	$0	Direct
May 20, 2026	TYGO TIGO ENERGY, INC.	Award(A)	33,068	-	$0	Direct
Jan 30, 2026	NDAQ NASDAQ, INC.	Gift(G)	4,680	-	$0	Indirect
Jan 30, 2026	NDAQ NASDAQ, INC.	Gift(G)	4,680	-	$0	Direct
Nov 25, 2025	TYGO TIGO ENERGY, INC.	Award(A)	20,949	$1.79	$37,499	Direct
Aug 6, 2025	TYGO TIGO ENERGY, INC.	Exercise(M)	11,668	$0.60	$6,989	Direct
Jun 11, 2025	NDAQ NASDAQ, INC.	Award(A)	5,241	-	-	Direct
May 20, 2025	TYGO TIGO ENERGY, INC.	Award(A)	126,904	-	-	Direct
May 19, 2025	TYGO TIGO ENERGY, INC.	Award(A)	39,474	-	-	Direct
Nov 23, 2024	TYGO TIGO ENERGY, INC.	Award(A)	40,279	-	$0	Direct
May 21, 2024	TYGO TIGO ENERGY, INC.	Award(A)	54,069	-	$0	Direct

1-12 of 12 transactions

About SPLINTER MICHAEL R

SPLINTER MICHAEL R (SEC CIK 0001188935) files insider reports with the SEC as Director of NASDAQ, INC. (NDAQ), Director of TIGO ENERGY, INC. (TYGO) and Director of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM).

Signal8 holds 10 ownership filings by SPLINTER MICHAEL R (1 Form 3, 9 Form 4), filed between Dec 16, 2024 and Jun 12, 2026. Those filings report 12 transactions, from May 21, 2024 to Jun 10, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on SPLINTER MICHAEL R's filings is in NEW YORK, NY.

Recent filings by SPLINTER MICHAEL R

Jun 10, 2026: Grant or award of NDAQ shares (Form 4, code A).
May 20, 2026: Grants or awards of TYGO shares (2 lines, Form 4, code A).
Jan 30, 2026: Gifts of NDAQ shares (2 lines, Form 4, code G).
Nov 25, 2025: Grant or award of TYGO shares (Form 4, code A).
Aug 6, 2025: Option exercise of TYGO shares (Form 4, code M).

Other insiders filing for NASDAQ, INC. (NDAQ)

Peterson Bradley J, EVP, CIO
Tal Cohen, Pres. Market Platforms
SKULE JEREMY, EVP, CSO
Griggs PC Nelson, Pres. Capital Access Platforms
Smith Bryan Everard, EVP, CPO
INVESTOR AB, 10% Owner

How to read Form 4 transaction codes