Timothy Kapalka

CIK: 0001715998

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)4 (20.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)5 (25.0%)

Compensation grants

Other (G, F, J, C, D, …)11 (55.0%)

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

Companies & Roles (1)

IRDM

Iridium Communications Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (20 total)

IRDM
Iridium Communications Inc.
Sep 1, 2026
Tax Payment(F)
Direct
693 shares at avg. $46.98$33K
IRDM
Iridium Communications Inc.
Aug 17, 2026
Sale(S)
Direct
13.5K shares at avg. $50.51$681K
IRDM
Iridium Communications Inc.
Jun 1, 2026
Award(A)
Direct
4.2K shares-
IRDM
Iridium Communications Inc.
Jun 1, 2026
Tax Payment(F)
Direct
692 shares at avg. $51.78$36K
IRDM
Iridium Communications Inc.
Apr 6, 2026
Sale(S)
Direct
2K shares at avg. $33.00$67K
IRDM
Iridium Communications Inc.
Apr 2, 2026
Sale(S)
Direct
3.8K shares at avg. $31.00$117K
IRDM
Iridium Communications Inc.
Mar 9, 2026
Tax Payment(F)
Direct
744 shares at avg. $24.01$18K
IRDM
Iridium Communications Inc.
Mar 1, 2026
Award(A)
Direct
13.6K shares-
IRDM
Iridium Communications Inc.
Mar 1, 2026
Tax Payment(F)
Direct
1.9K shares at avg. $22.49$42K
IRDM
Iridium Communications Inc.
Feb 26, 2026
Award(A)
Direct
2.5K shares-
IRDM
Iridium Communications Inc.
Dec 1, 2025
Tax Payment(F)
Direct
804 shares at avg. $16.44$13K
IRDM
Iridium Communications Inc.
Sep 1, 2025
Tax Payment(F)
Direct
804 shares at avg. $24.89$20K
IRDM
Iridium Communications Inc.
Jun 3, 2025
Sale(S)
Direct
1.9K shares at avg. $26.08$50K
IRDM
Iridium Communications Inc.
Jun 1, 2025
Tax Payment(F)
Direct
1.6K shares at avg. $25.40$40K
IRDM
Iridium Communications Inc.
Mar 2, 2025
Tax Payment(F)
Direct
949 shares at avg. $31.56$30K
IRDM
Iridium Communications Inc.
Mar 2, 2025
Award(A)
Direct
2.1K shares-
IRDM
Iridium Communications Inc.
Mar 1, 2025
Award(A)
Direct
10.3K shares-
IRDM
Iridium Communications Inc.
Mar 1, 2025
Tax Payment(F)
Direct
1.6K shares at avg. $31.56$51K
IRDM
Iridium Communications Inc.
Dec 1, 2024
Tax Payment(F)
Direct
386 shares at avg. $29.72$11K
IRDM
Iridium Communications Inc.
Sep 1, 2024
Tax Payment(F)
Direct
386 shares at avg. $25.80$10K

		Type	Shares	Price		Ownership
Sep 1, 2026	IRDM Iridium Communications Inc.	Tax Payment(F)	693	$46.98	$32,557	Direct
Aug 17, 2026	IRDM Iridium Communications Inc.	Sale(S)	13,473	$50.51	$680,521	Direct
Jun 1, 2026	IRDM Iridium Communications Inc.	Award(A)	4,175	-	$0	Direct
Jun 1, 2026	IRDM Iridium Communications Inc.	Tax Payment(F)	692	$51.78	$35,832	Direct
Apr 6, 2026	IRDM Iridium Communications Inc.	Sale(S)	2,043	$33.00	$67,419	Direct
Apr 2, 2026	IRDM Iridium Communications Inc.	Sale(S)	3,790	$31.00	$117,490	Direct
Mar 9, 2026	IRDM Iridium Communications Inc.	Tax Payment(F)	744	$24.01	$17,863	Direct
Mar 1, 2026	IRDM Iridium Communications Inc.	Award(A)	13,569	-	$0	Direct
Mar 1, 2026	IRDM Iridium Communications Inc.	Tax Payment(F)	1,871	$22.49	$42,079	Direct
Feb 26, 2026	IRDM Iridium Communications Inc.	Award(A)	2,471	-	$0	Direct
Dec 1, 2025	IRDM Iridium Communications Inc.	Tax Payment(F)	804	$16.44	$13,218	Direct
Sep 1, 2025	IRDM Iridium Communications Inc.	Tax Payment(F)	804	$24.89	$20,012	Direct
Jun 3, 2025	IRDM Iridium Communications Inc.	Sale(S)	1,922	$26.08	$50,126	Direct
Jun 1, 2025	IRDM Iridium Communications Inc.	Tax Payment(F)	1,575	$25.40	$40,005	Direct
Mar 2, 2025	IRDM Iridium Communications Inc.	Tax Payment(F)	949	$31.56	$29,950	Direct
Mar 2, 2025	IRDM Iridium Communications Inc.	Award(A)	2,105	-	-	Direct
Mar 1, 2025	IRDM Iridium Communications Inc.	Award(A)	10,297	-	-	Direct
Mar 1, 2025	IRDM Iridium Communications Inc.	Tax Payment(F)	1,617	$31.56	$51,033	Direct
Dec 1, 2024	IRDM Iridium Communications Inc.	Tax Payment(F)	386	$29.72	$11,472	Direct
Sep 1, 2024	IRDM Iridium Communications Inc.	Tax Payment(F)	386	$25.80	$9,959	Direct

1-20 of 20 transactions

About Kapalka Timothy

Kapalka Timothy (SEC CIK 0001715998) files insider reports with the SEC as CAO Iridium Satellite LLC of Iridium Communications Inc. (IRDM).

Signal8 holds 13 ownership filings by Kapalka Timothy, all Form 4s, filed between Sep 4, 2024 and Sep 2, 2026. Those filings report 20 transactions, from Sep 1, 2024 to Sep 1, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Kapalka Timothy's filings is in MCLEAN, VA.

Recent filings by Kapalka Timothy

Sep 1, 2026: Tax withholding of IRDM shares (Form 4, code F).
Aug 17, 2026: Open-market sale of IRDM shares (Form 4, code S).
Jun 1, 2026: Grant or award of IRDM shares (Form 4, code A).
Jun 1, 2026: Tax withholding of IRDM shares (Form 4, code F).
Apr 6, 2026: Open-market sale of IRDM shares (Form 4, code S).

Other insiders filing for Iridium Communications Inc. (IRDM)

DESCH MATTHEW J, Chief Executive Officer
FRAZIER LEON ANTHONY, Director
YEANEY JACQUELINE E, Director
Sears Kay, Director
Alterman Louis M, Director
Shivanandan Monique S., Director

How to read Form 4 transaction codes