Timothy Kapalka

Insider

First SEC filing: Sept. 6, 2017 · Latest: Sept. 6, 2017

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

IRDM selling Aug. 17, 2026

Insider transactions

0 buys (P) 3 sells (S) Net: $-865,430 + 59 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

59 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 17, 2026	IRDM	S	13,473	$50.51	$680,521	35,731 Direct	-27.38%	Disposed	-4.4% (price as of 2026-08-20)
June 1, 2026	IRDM	A	4,175	—	—	49,204 Direct	+9.27%	Acquired	(price as of 2026-08-20)
June 1, 2026	IRDM	F	692	$51.78	$35,832	45,029 Direct	-1.51%	Disposed	-6.8% (price as of 2026-08-20)
April 6, 2026	IRDM	S 10b5-1	2,043	$33.00	$67,419	45,721 Direct	-4.28%	Disposed	46.3% (price as of 2026-08-20)
April 2, 2026	IRDM	S 10b5-1	3,790	$31.00	$117,490	47,764 Direct	-7.35%	Disposed	55.7% (price as of 2026-08-20)
March 9, 2026	IRDM	F	744	$24.01	$17,863	51,554 Direct	-1.42%	Disposed	101.0% (price as of 2026-08-20)
March 1, 2026	IRDM	F	1,871	$22.49	$42,079	52,298 Direct	-3.45%	Disposed	114.6% (price as of 2026-08-20)
March 1, 2026	IRDM	A	13,569	—	—	54,169 Direct	+33.42%	Acquired	(price as of 2026-08-20)
Feb. 26, 2026	IRDM	A	2,471	—	—	40,600 Direct	+6.48%	Acquired	(price as of 2026-08-20)
Dec. 1, 2025	IRDM	F	804	$16.44	$13,218	38,129 Direct	-2.07%	Disposed	193.6% (price as of 2026-08-20)
March 2, 2024	IRDM	A	960	—	—	25,823 Direct	+3.86%	Acquired	(price as of 2026-08-20)
March 2, 2024	IRDM	F	483	$29.71	$14,350	25,340 Direct	-1.87%	Disposed	62.5% (price as of 2026-08-20)
March 1, 2024	IRDM	F	1,073	$29.71	$31,879	17,290 Direct	-5.84%	Disposed	62.5% (price as of 2026-08-20)
March 1, 2024	IRDM	A	7,573	—	—	24,863 Direct	+43.80%	Acquired	(price as of 2026-08-20)
Dec. 1, 2023	IRDM	F	445	$39.21	$17,448	18,363 Direct	-2.37%	Disposed	23.1% (price as of 2026-08-20)
Sept. 1, 2023	IRDM	F	445	$49.53	$22,041	18,808 Direct	-2.31%	Disposed	-2.6% (price as of 2026-08-20)
June 1, 2023	IRDM	F	445	$61.11	$27,194	19,253 Direct	-2.26%	Disposed	-21.0% (price as of 2026-08-20)
March 2, 2023	IRDM	F	663	$61.76	$40,947	19,698 Direct	-3.26%	Disposed	-21.9% (price as of 2026-08-20)
March 2, 2023	IRDM	A	1,472	—	—	20,361 Direct	+7.79%	Acquired	(price as of 2026-08-20)
March 1, 2023	IRDM	A	4,566	—	—	18,889 Direct	+31.88%	Acquired	(price as of 2026-08-20)
March 1, 2023	IRDM	F	1,181	$61.59	$72,738	14,323 Direct	-7.62%	Disposed	-21.6% (price as of 2026-08-20)
Jan. 6, 2023	IRDM	S 10b5-1	1,176	$56.00	$65,856	15,504 Direct	-7.05%	Disposed	-13.8% (price as of 2026-08-20)
Jan. 5, 2023	IRDM	S 10b5-1	40	$56.00	$2,240	16,680 Direct	-0.24%	Disposed	-13.8% (price as of 2026-08-20)
Jan. 3, 2023	IRDM	S 10b5-1	2,636	$54.00	$142,344	16,720 Direct	-13.62%	Disposed	-10.6% (price as of 2026-08-20)
Dec. 1, 2022	IRDM	F	540	$52.66	$28,436	19,356 Direct	-2.71%	Disposed	-8.3% (price as of 2026-08-20)
Nov. 7, 2022	IRDM	M 10b5-1	6,250	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 7, 2022	IRDM	S 10b5-1	6,250	$52.50	$328,125	19,896 Direct	-23.90%	Disposed	-8.1% (price as of 2026-08-20)
Nov. 7, 2022	IRDM	M 10b5-1	6,250	$11.25	$70,312	26,146 Direct	+31.41%	Acquired	329.0% (price as of 2026-08-20)
Oct. 31, 2022	IRDM	S 10b5-1	2,382	$51.25	$122,078	19,896 Direct	-10.69%	Disposed	-5.8% (price as of 2026-08-20)
Sept. 1, 2022	IRDM	F	540	$44.69	$24,133	22,278 Direct	-2.37%	Disposed	8.0% (price as of 2026-08-20)
June 1, 2022	IRDM	F	529	$37.09	$19,621	22,818 Direct	-2.27%	Disposed	30.1% (price as of 2026-08-20)
March 3, 2022	IRDM	F	617	$39.21	$24,193	23,347 Direct	-2.57%	Disposed	23.1% (price as of 2026-08-20)
March 3, 2022	IRDM	A	1,370	—	—	23,964 Direct	+6.06%	Acquired	(price as of 2026-08-20)
March 1, 2022	IRDM	A	5,283	—	—	22,594 Direct	+30.52%	Acquired	(price as of 2026-08-20)
March 1, 2022	IRDM	F	1,265	$38.99	$49,322	17,311 Direct	-6.81%	Disposed	23.8% (price as of 2026-08-20)
Dec. 1, 2021	IRDM	F	798	$37.31	$29,773	18,576 Direct	-4.12%	Disposed	29.4% (price as of 2026-08-20)
Sept. 7, 2021	IRDM	S 10b5-1	2,112	$48.00	$101,376	19,374 Direct	-9.83%	Disposed	0.6% (price as of 2026-08-20)
Sept. 1, 2021	IRDM	F	798	$45.93	$36,652	21,486 Direct	-3.58%	Disposed	5.1% (price as of 2026-08-20)
Aug. 30, 2021	IRDM	S 10b5-1	2,070	$46.00	$95,220	22,284 Direct	-8.50%	Disposed	4.9% (price as of 2026-08-20)
Aug. 5, 2021	IRDM	S 10b5-1	400	$44.00	$17,600	24,354 Direct	-1.62%	Disposed	9.7% (price as of 2026-08-20)
June 1, 2021	IRDM	F	798	$38.33	$30,587	24,754 Direct	-3.12%	Disposed	25.9% (price as of 2026-08-20)
March 11, 2021	IRDM	S	383	$41.99	$16,082	25,552 Direct	-1.48%	Disposed	14.9% (price as of 2026-08-20)
March 3, 2021	IRDM	F	313	$38.79	$12,141	25,935 Direct	-1.19%	Disposed	24.4% (price as of 2026-08-20)
March 3, 2021	IRDM	A	696	—	—	26,248 Direct	+2.72%	Acquired	(price as of 2026-08-20)
March 1, 2021	IRDM	M 10b5-1	3,125	—	—	6,250 Direct	-33.33%	Disposed	(price as of 2026-08-20)
March 1, 2021	IRDM	A	3,937	—	—	25,552 Direct	+18.21%	Acquired	(price as of 2026-08-20)
March 1, 2021	IRDM	F	1,371	$41.91	$57,459	21,615 Direct	-5.96%	Disposed	15.2% (price as of 2026-08-20)
March 1, 2021	IRDM	S 10b5-1	3,125	$39.26	$122,688	22,986 Direct	-11.97%	Disposed	22.9% (price as of 2026-08-20)
March 1, 2021	IRDM	M 10b5-1	3,125	$11.25	$35,156	26,111 Direct	+13.60%	Acquired	329.0% (price as of 2026-08-20)
Dec. 7, 2020	IRDM	M 10b5-1	3,125	—	—	9,375 Direct	-25.00%	Disposed	(price as of 2026-08-20)
Dec. 7, 2020	IRDM	S 10b5-1	3,125	$34.40	$107,500	22,986 Direct	-11.97%	Disposed	40.3% (price as of 2026-08-20)
Dec. 7, 2020	IRDM	M 10b5-1	3,125	$11.25	$35,156	26,111 Direct	+13.60%	Acquired	329.0% (price as of 2026-08-20)
Sept. 1, 2020	IRDM	M 10b5-1	3,125	$11.25	$35,156	27,333 Direct	+12.91%	Acquired	329.0% (price as of 2026-08-20)
Sept. 1, 2020	IRDM	S 10b5-1	3,125	$27.92	$87,250	24,208 Direct	-11.43%	Disposed	72.9% (price as of 2026-08-20)
Sept. 1, 2020	IRDM	F	611	$29.12	$17,792	23,597 Direct	-2.52%	Disposed	65.7% (price as of 2026-08-20)
Sept. 1, 2020	IRDM	M 10b5-1	3,125	—	—	12,500 Direct	-20.00%	Disposed	(price as of 2026-08-20)
Aug. 7, 2020	IRDM	S	1,153	$29.90	$34,475	24,208 Direct	-4.55%	Disposed	61.4% (price as of 2026-08-20)
June 5, 2020	IRDM	M 10b5-1	9,375	—	—	15,625 Direct	-37.50%	Disposed	(price as of 2026-08-20)
June 5, 2020	IRDM	S 10b5-1	9,375	$26.39	$247,406	25,361 Direct	-26.99%	Disposed	82.9% (price as of 2026-08-20)
June 5, 2020	IRDM	M 10b5-1	9,375	$11.25	$105,469	34,736 Direct	+36.97%	Acquired	329.0% (price as of 2026-08-20)
June 1, 2020	IRDM	F	611	$24.16	$14,762	25,361 Direct	-2.35%	Disposed	99.8% (price as of 2026-08-20)
March 4, 2020	IRDM	S	1,477	$28.00	$41,356	25,972 Direct	-5.38%	Disposed	72.4% (price as of 2026-08-20)
March 3, 2020	IRDM	F	379	$27.06	$10,256	27,449 Direct	-1.36%	Disposed	78.4% (price as of 2026-08-20)
March 3, 2020	IRDM	A	786	—	—	27,828 Direct	+2.91%	Acquired	(price as of 2026-08-20)
March 1, 2020	IRDM	A	6,649	—	—	27,042 Direct	+32.60%	Acquired	(price as of 2026-08-20)
March 1, 2020	IRDM	F	1,500	$27.07	$40,605	20,393 Direct	-6.85%	Disposed	78.3% (price as of 2026-08-20)
Dec. 1, 2019	IRDM	F	245	$23.30	$5,708	21,893 Direct	-1.11%	Disposed	107.1% (price as of 2026-08-20)
Nov. 5, 2019	IRDM	M	25,000	—	—	25,000 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Nov. 5, 2019	IRDM	S	25,000	$25.80	$645,000	22,138 Direct	-53.04%	Disposed	87.1% (price as of 2026-08-20)
Nov. 5, 2019	IRDM	M	25,000	$11.25	$281,250	47,138 Direct	+112.93%	Acquired	329.0% (price as of 2026-08-20)
Sept. 1, 2019	IRDM	F	245	$24.18	$5,924	22,138 Direct	-1.09%	Disposed	99.6% (price as of 2026-08-20)
June 1, 2019	IRDM	F	245	$21.43	$5,250	22,383 Direct	-1.08%	Disposed	125.2% (price as of 2026-08-20)
March 4, 2019	IRDM	F	913	$22.90	$20,908	13,989 Direct	-6.13%	Disposed	110.8% (price as of 2026-08-20)
March 4, 2019	IRDM	A	2,983	—	—	14,902 Direct	+25.03%	Acquired	(price as of 2026-08-20)
March 1, 2019	IRDM	A	8,639	—	—	22,628 Direct	+61.76%	Acquired	(price as of 2026-08-20)
March 1, 2019	IRDM	F	1,157	$23.15	$26,785	11,919 Direct	-8.85%	Disposed	108.5% (price as of 2026-08-20)
March 1, 2018	IRDM	A	13,076	—	—	13,076 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 1, 2017	IRDM	A	50,000	—	—	50,000 Direct	—	Acquired	(price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Nov. 7, 2022	IRDM	Employee Stock Option (Right to Buy)	Common Stock (6,250)	$11.25	Sept. 1, 2027	6,250	Disposed
March 1, 2021	IRDM	Employee Stock Option (Right to Buy)	Common Stock (3,125)	$11.25	Sept. 1, 2027	3,125	Disposed
Dec. 7, 2020	IRDM	Employee Stock Option (Right to Buy)	Common Stock (3,125)	$11.25	Sept. 1, 2027	3,125	Disposed
Sept. 1, 2020	IRDM	Employee Stock Option (Right to Buy)	Common Stock (3,125)	$11.25	Sept. 1, 2027	3,125	Disposed
June 5, 2020	IRDM	Employee Stock Option (Right to Buy)	Common Stock (9,375)	$11.25	Sept. 1, 2027	9,375	Disposed
Nov. 5, 2019	IRDM	Employee Stock Option (Right to Buy)	Common Stock (25,000)	$11.25	Sept. 1, 2027	25,000	Disposed
Sept. 1, 2017	IRDM	Employee Stock Option (Right to Buy)	Common Stock (50,000)	$11.25	Sept. 1, 2027	50,000	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 1 holding

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Sept. 6, 2017	IRDM	Common Stock	0	Direct