Timothy P. Santo

CIK: 0001974835

Transaction Breakdown

Open Market Buys (P)2 (40.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (40.0%)

Compensation grants

Other (G, F, J, C, D, …)1 (20.0%)

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

Companies & Roles (1)

ADTN

ADTRAN Holdings, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (5 total)

ADTN
ADTRAN Holdings, Inc.
Aug 6, 2026
Purchase(P)
Direct
6.6K shares at avg. $7.60$50K
ADTN
ADTRAN Holdings, Inc.
Apr 1, 2026
Award(A)
Direct
28.3K shares-
ADTN
ADTRAN Holdings, Inc.
Mar 19, 2026
Tax Payment(F)
Direct
1.5K shares at avg. $11.90$18K
ADTN
ADTRAN Holdings, Inc.
Nov 28, 2025
Purchase(P)
Direct
6.2K shares at avg. $8.02$49K
ADTN
ADTRAN Holdings, Inc.
Mar 19, 2025
Award(A)
Direct
20.4K shares-

		Type	Shares	Price		Ownership
Aug 6, 2026	ADTN ADTRAN Holdings, Inc.	Purchase(P)	6,579	$7.60	$50,000	Direct
Apr 1, 2026	ADTN ADTRAN Holdings, Inc.	Award(A)	28,252	-	$0	Direct
Mar 19, 2026	ADTN ADTRAN Holdings, Inc.	Tax Payment(F)	1,501	$11.90	$17,862	Direct
Nov 28, 2025	ADTN ADTRAN Holdings, Inc.	Purchase(P)	6,150	$8.02	$49,323	Direct
Mar 19, 2025	ADTN ADTRAN Holdings, Inc.	Award(A)	20,444	-	-	Direct

1-5 of 5 transactions

About Santo Timothy P

Santo Timothy P (SEC CIK 0001974835) files insider reports with the SEC as SVP of Finance; CFO of ADTRAN Holdings, Inc. (ADTN).

Signal8 holds 6 ownership filings by Santo Timothy P (1 Form 3, 5 Form 4), filed between Mar 20, 2025 and Aug 7, 2026. Those filings report 5 transactions, from Mar 19, 2025 to Aug 6, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Santo Timothy P's filings is in HUNTSVILLE, AL.

Recent filings by Santo Timothy P

Aug 6, 2026: Open-market purchase of ADTN shares (Form 4, code P).
Apr 1, 2026: Grant or award of ADTN shares (Form 4, code A).
Mar 19, 2026: Tax withholding of ADTN shares (Form 4, code F).
Nov 28, 2025: Open-market purchase of ADTN shares (Form 4, code P).
Mar 19, 2025: Grant or award of ADTN shares (Form 4, code A).

Other insiders filing for ADTRAN Holdings, Inc. (ADTN)

Terlinde Christian, Director
Glingener Christoph, Chief Technology Officer
DelSanto Anne, Director
Wilson James Denson Jr, Chief Revenue Officer
STANTON THOMAS R, Chairman & CEO
Jacqueline Hourigan Rice, Director

How to read Form 4 transaction codes