Samme L Thompson

CIK 1197598 · View on SEC EDGAR ↗

Insider

First SEC filing: Aug. 11, 2005 · Latest: Aug. 11, 2005

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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

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 78 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

78 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 11, 2024	AMT	A	1,089	—	—	24,260 Direct	+4.70%	Acquired	(price as of 2026-08-20)
March 1, 2024	AMT	M	2,527	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 1, 2024	AMT	S 10b5-1	2,527	$198.90	$502,620	23,171 Direct	-9.83%	Disposed	-10.9% (price as of 2026-08-20)
March 1, 2024	AMT	M	2,527	$81.18	$205,142	25,698 Direct	+10.91%	Acquired	118.4% (price as of 2026-08-20)
Feb. 26, 2024	AMT	M	2,527	—	—	2,527 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Feb. 26, 2024	AMT	S 10b5-1	1,327	$190.78	$253,165	23,171 Direct	-5.42%	Disposed	-7.1% (price as of 2026-08-20)
Feb. 26, 2024	AMT	S 10b5-1	1,200	$189.61	$227,532	24,498 Direct	-4.67%	Disposed	-6.5% (price as of 2026-08-20)
Feb. 26, 2024	AMT	M	2,527	$81.18	$205,142	25,698 Direct	+10.91%	Acquired	118.4% (price as of 2026-08-20)
March 10, 2023	AMT	A	1,072	—	—	23,171 Direct	+4.85%	Acquired	(price as of 2026-08-20)
Feb. 6, 2023	AMT	M	1,739	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 6, 2023	AMT	S 10b5-1	1,739	$218.59	$380,128	22,099 Direct	-7.30%	Disposed	-18.9% (price as of 2026-08-20)
Feb. 6, 2023	AMT	M	1,739	$76.90	$133,729	23,838 Direct	+7.87%	Acquired	130.5% (price as of 2026-08-20)
Jan. 3, 2023	AMT	M	1,500	—	—	1,739 Direct	-46.31%	Disposed	(price as of 2026-08-20)
Jan. 3, 2023	AMT	S 10b5-1	1,500	$214.00	$321,000	22,099 Direct	-6.36%	Disposed	-17.2% (price as of 2026-08-20)
Jan. 3, 2023	AMT	M	1,500	$76.90	$115,350	23,599 Direct	+6.79%	Acquired	130.5% (price as of 2026-08-20)
March 10, 2022	AMT	A	881	—	—	22,099 Direct	+4.15%	Acquired	(price as of 2026-08-20)
Feb. 4, 2022	AMT	M	1,590	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 4, 2022	AMT	S 10b5-1	1,590	$248.16	$394,574	21,218 Direct	-6.97%	Disposed	-28.6% (price as of 2026-08-20)
Feb. 4, 2022	AMT	M	1,590	$62.00	$98,580	22,808 Direct	+7.49%	Acquired	186.0% (price as of 2026-08-20)
Jan. 3, 2022	AMT	M	2,000	—	—	1,590 Direct	-55.71%	Disposed	(price as of 2026-08-20)
Jan. 3, 2022	AMT	S 10b5-1	2,000	$292.37	$584,740	21,218 Direct	-8.61%	Disposed	-39.4% (price as of 2026-08-20)
Jan. 3, 2022	AMT	M	2,000	$62.00	$124,000	23,218 Direct	+9.43%	Acquired	186.0% (price as of 2026-08-20)
March 10, 2021	AMT	A	881	—	—	21,218 Direct	+4.33%	Acquired	(price as of 2026-08-20)
Feb. 5, 2021	AMT	M	1,653	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 5, 2021	AMT	S 10b5-1	1,653	$232.64	$384,554	20,337 Direct	-7.52%	Disposed	-23.8% (price as of 2026-08-20)
Feb. 5, 2021	AMT	M	1,653	$50.78	$83,939	21,990 Direct	+8.13%	Acquired	249.1% (price as of 2026-08-20)
Jan. 4, 2021	AMT	M	2,000	—	—	1,653 Direct	-54.75%	Disposed	(price as of 2026-08-20)
Jan. 4, 2021	AMT	S 10b5-1	2,000	$226.07	$452,140	20,337 Direct	-8.95%	Disposed	-21.6% (price as of 2026-08-20)
Jan. 4, 2021	AMT	M	2,000	$50.78	$101,560	22,337 Direct	+9.83%	Acquired	249.1% (price as of 2026-08-20)
July 30, 2020	SPOK	A	1,620	$9.26	$15,001	51,103 Direct	+3.27%	Acquired	13.6% (price as of 2026-08-20)
July 1, 2020	SPOK	A	396	$9.35	$3,703	396 Direct	—	Acquired	12.5% (price as of 2026-08-20)
July 1, 2020	SPOK	A	1,604	$9.35	$14,997	49,087 Direct	+3.38%	Acquired	12.5% (price as of 2026-08-20)
April 1, 2020	SPOK	A	1,403	$10.69	$14,998	47,483 Direct	+3.04%	Acquired	-1.6% (price as of 2026-08-20)
March 10, 2020	AMT	A	739	—	—	20,337 Direct	+3.77%	Acquired	(price as of 2026-08-20)
Feb. 5, 2020	AMT	M	1,167	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 5, 2020	AMT	S 10b5-1	1,167	$237.50	$277,162	19,598 Direct	-5.62%	Disposed	-25.4% (price as of 2026-08-20)
Feb. 5, 2020	AMT	M	1,167	$43.11	$50,309	20,765 Direct	+5.95%	Acquired	311.3% (price as of 2026-08-20)
Jan. 3, 2020	AMT	M	3,000	—	—	1,167 Direct	-71.99%	Disposed	(price as of 2026-08-20)
Jan. 3, 2020	AMT	S 10b5-1	3,000	$227.56	$682,680	19,598 Direct	-13.28%	Disposed	-22.1% (price as of 2026-08-20)
Jan. 3, 2020	AMT	M	3,000	$43.11	$129,330	22,598 Direct	+15.31%	Acquired	311.3% (price as of 2026-08-20)
Jan. 2, 2020	SPOK	A	1,226	$12.23	$14,994	46,080 Direct	+2.73%	Acquired	-14.0% (price as of 2026-08-20)
Oct. 1, 2019	SPOK	A	1,256	$11.94	$14,997	44,854 Direct	+2.88%	Acquired	-11.9% (price as of 2026-08-20)
July 1, 2019	SPOK	A	997	$15.04	$14,995	43,598 Direct	+2.34%	Acquired	-30.1% (price as of 2026-08-20)
April 1, 2019	SPOK	A	1,101	$13.62	$14,996	42,601 Direct	+2.65%	Acquired	-22.8% (price as of 2026-08-20)
March 11, 2019	AMT	A	973	—	—	19,598 Direct	+5.22%	Acquired	(price as of 2026-08-20)
March 1, 2019	AMT	M	1,652	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 1, 2019	AMT	S 10b5-1	70	$176.58	$12,361	18,625 Direct	-0.37%	Disposed	0.4% (price as of 2026-08-20)
March 1, 2019	AMT	S 10b5-1	1,082	$175.87	$190,291	18,695 Direct	-5.47%	Disposed	0.8% (price as of 2026-08-20)
March 1, 2019	AMT	S 10b5-1	500	$174.73	$87,365	19,777 Direct	-2.47%	Disposed	1.5% (price as of 2026-08-20)
March 1, 2019	AMT	M	1,652	$28.39	$46,900	20,277 Direct	+8.87%	Acquired	524.5% (price as of 2026-08-20)
Jan. 2, 2019	AMT	M	2,000	$28.39	$56,780	20,625 Direct	+10.74%	Acquired	524.5% (price as of 2026-08-20)
Jan. 2, 2019	AMT	S 10b5-1	2,000	$157.11	$314,220	18,625 Direct	-9.70%	Disposed	12.8% (price as of 2026-08-20)
Jan. 2, 2019	AMT	M	2,000	—	—	1,652 Direct	-54.76%	Disposed	(price as of 2026-08-20)
Jan. 2, 2019	SPOK	A	1,131	$13.26	$14,997	41,500 Direct	+2.80%	Acquired	-20.7% (price as of 2026-08-20)
Oct. 1, 2018	SPOK	A	974	$15.40	$15,000	40,369 Direct	+2.47%	Acquired	-31.7% (price as of 2026-08-20)
July 2, 2018	SPOK	A	997	$15.05	$15,005	39,395 Direct	+2.60%	Acquired	-30.1% (price as of 2026-08-20)
April 2, 2018	SPOK	A	1,003	$14.95	$14,995	38,398 Direct	+2.68%	Acquired	-29.6% (price as of 2026-08-20)
March 20, 2018	AMT	M	3,500	$28.39	$99,365	22,125 Direct	+18.79%	Acquired	524.5% (price as of 2026-08-20)
March 20, 2018	AMT	S 10b5-1	2,900	$146.26	$424,154	19,225 Direct	-13.11%	Disposed	21.2% (price as of 2026-08-20)
March 20, 2018	AMT	S 10b5-1	600	$146.82	$88,092	18,625 Direct	-3.12%	Disposed	20.8% (price as of 2026-08-20)
March 20, 2018	AMT	M	3,500	—	—	3,652 Direct	-48.94%	Disposed	(price as of 2026-08-20)
March 12, 2018	AMT	A	1,241	—	—	18,625 Direct	+7.14%	Acquired	(price as of 2026-08-20)
Jan. 2, 2018	AMT	M	5,000	$37.70	$188,500	22,384 Direct	+28.76%	Acquired	370.3% (price as of 2026-08-20)
Jan. 2, 2018	AMT	S 10b5-1	5,000	$143.16	$715,800	17,384 Direct	-22.34%	Disposed	23.8% (price as of 2026-08-20)
Jan. 2, 2018	AMT	M	5,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Jan. 2, 2018	SPOK	A	958	$15.65	$14,993	37,395 Direct	+2.63%	Acquired	-32.8% (price as of 2026-08-20)
Oct. 2, 2017	SPOK	A	977	$15.35	$14,997	36,437 Direct	+2.76%	Acquired	-31.5% (price as of 2026-08-20)
July 3, 2017	SPOK	A	847	$17.70	$14,992	35,460 Direct	+2.45%	Acquired	-40.6% (price as of 2026-08-20)
April 3, 2017	SPOK	A	789	$19.00	$14,991	34,613 Direct	+2.33%	Acquired	-44.6% (price as of 2026-08-20)
March 10, 2017	AMT	A	1,321	—	—	17,384 Direct	+8.22%	Acquired	(price as of 2026-08-20)
March 2, 2017	AMT	M	10,000	$37.52	$375,200	26,063 Direct	+62.25%	Acquired	372.5% (price as of 2026-08-20)
March 2, 2017	AMT	S	10,000	$113.76	$1,137,600	16,063 Direct	-38.37%	Disposed	55.8% (price as of 2026-08-20)
March 2, 2017	AMT	M	10,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Jan. 3, 2017	SPOK	A	723	$20.75	$15,002	33,824 Direct	+2.18%	Acquired	-49.3% (price as of 2026-08-20)
Oct. 24, 2016	AMT	S 10b5-1	2,202	$116.13	$255,718	16,063 Direct	-12.06%	Disposed	52.7% (price as of 2026-08-20)
Oct. 3, 2016	SPOK	A	842	$17.82	$15,004	33,101 Direct	+2.61%	Acquired	-41.0% (price as of 2026-08-20)
Sept. 6, 2016	AMT	S 10b5-1	1,430	$116.00	$165,880	18,265 Direct	-7.26%	Disposed	52.8% (price as of 2026-08-20)
July 1, 2016	SPOK	A	782	$19.17	$14,991	32,259 Direct	+2.48%	Acquired	-45.1% (price as of 2026-08-20)
April 1, 2016	SPOK	A	857	$17.51	$15,006	31,477 Direct	+2.80%	Acquired	-39.9% (price as of 2026-08-20)
March 10, 2016	AMT	A	1,584	—	—	19,695 Direct	+8.75%	Acquired	(price as of 2026-08-20)
Feb. 29, 2016	AMT	M	10,000	$31.50	$315,000	28,111 Direct	+55.22%	Acquired	462.8% (price as of 2026-08-20)
Feb. 29, 2016	AMT	S	10,000	$90.43	$904,300	18,111 Direct	-35.57%	Disposed	96.1% (price as of 2026-08-20)
Feb. 29, 2016	AMT	M	10,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Jan. 4, 2016	SPOK	A	819	$18.32	$15,004	30,620 Direct	+2.75%	Acquired	-42.6% (price as of 2026-08-20)
Oct. 1, 2015	SPOK	A	911	$16.46	$14,995	29,801 Direct	+3.15%	Acquired	-36.1% (price as of 2026-08-20)
July 1, 2015	SPOK	A	891	$16.84	$15,004	28,890 Direct	+3.18%	Acquired	-37.5% (price as of 2026-08-20)
April 1, 2015	SPOK	A	782	$19.17	$14,991	27,999 Direct	+2.87%	Acquired	-45.1% (price as of 2026-08-20)
March 10, 2015	AMT	A	794	—	—	18,111 Direct	+4.59%	Acquired	(price as of 2026-08-20)
March 10, 2015	AMT	A	4,971	—	—	4,971 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 2, 2015	SPOK	A	864	$17.36	$14,999	27,217 Direct	+3.28%	Acquired	-39.4% (price as of 2026-08-20)
Oct. 1, 2014	SPOK	A	1,153	$13.01	$15,001	26,353 Direct	+4.58%	Acquired	-19.1% (price as of 2026-08-20)
July 1, 2014	SPOK	A	974	$15.40	$15,000	25,200 Direct	+4.02%	Acquired	-31.7% (price as of 2026-08-20)
April 1, 2014	SPOK	A	826	$18.17	$15,008	24,226 Direct	+3.53%	Acquired	-42.1% (price as of 2026-08-20)
March 10, 2014	AMT	A	924	—	—	17,317 Direct	+5.64%	Acquired	(price as of 2026-08-20)
March 10, 2014	AMT	A	5,054	—	—	5,054 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 2, 2014	SPOK	A	1,050	$14.28	$14,994	23,400 Direct	+4.70%	Acquired	-26.3% (price as of 2026-08-20)
Oct. 1, 2013	SPOK	A	1,059	$14.16	$14,995	22,350 Direct	+4.97%	Acquired	-25.7% (price as of 2026-08-20)
July 1, 2013	SPOK	A	737	$13.57	$10,001	21,291 Direct	+3.59%	Acquired	-22.5% (price as of 2026-08-20)
April 1, 2013	SPOK	A	754	$13.27	$10,006	20,554 Direct	+3.81%	Acquired	-20.7% (price as of 2026-08-20)
March 11, 2013	AMT	A	813	—	—	16,393 Direct	+5.22%	Acquired	(price as of 2026-08-20)

Showing latest 100 of 161 transactions

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
March 1, 2024	AMT	Option to Purchase Common Stock [F2]	Common Stock (2,527)	$81.18	March 10, 2024	2,527	Disposed
Feb. 26, 2024	AMT	Option to Purchase Common Stock [F4]	Common Stock (2,527)	$81.18	March 10, 2024	2,527	Disposed
Feb. 6, 2023	AMT	Option to Purchase Common Stock [F2]	Common Stock (1,739)	$76.90	March 11, 2023	1,739	Disposed
Jan. 3, 2023	AMT	Option to Purchase Common Stock [F2]	Common Stock (1,500)	$76.90	March 11, 2023	1,500	Disposed
Feb. 4, 2022	AMT	Option to Purchase Common Stock [F2]	Common Stock (1,590)	$62.00	March 12, 2022	1,590	Disposed
Jan. 3, 2022	AMT	Option to Purchase Common Stock [F2]	Common Stock (2,000)	$62.00	March 12, 2022	2,000	Disposed
Feb. 5, 2021	AMT	Option to Purchase Common Stock [F2]	Common Stock (1,653)	$50.78	March 10, 2021	1,653	Disposed
Jan. 4, 2021	AMT	Option to Purchase Common Stock [F2]	Common Stock (2,000)	$50.78	March 10, 2021	2,000	Disposed
July 1, 2020	SPOK	Deferred Stock Unit	Deferred Stock Unit (396)	—	—	396	Acquired
Feb. 5, 2020	AMT	Option to Purchase Common Stock [F2]	Common Stock (1,167)	$43.11	March 10, 2020	1,167	Disposed
Jan. 3, 2020	AMT	Option to Purchase Common Stock [F2]	Common Stock (3,000)	$43.11	March 10, 2020	3,000	Disposed
March 1, 2019	AMT	Option to Purchase Common Stock [F4]	Common Stock (1,652)	$28.39	March 10, 2019	1,652	Disposed
Jan. 2, 2019	AMT	Option to Purchase Common Stock [F2]	Common Stock (2,000)	$28.39	March 10, 2019	2,000	Disposed
March 20, 2018	AMT	Option to Purchase Common Stock [F4]	Common Stock (3,500)	$28.39	March 10, 2019	3,500	Disposed
Jan. 2, 2018	AMT	Option to Purchase Common Stock [F2]	Common Stock (5,000)	$37.70	March 17, 2018	5,000	Disposed
March 2, 2017	AMT	Option to Purchase Common Stock [F2]	Common Stock (10,000)	$37.52	March 15, 2017	10,000	Disposed
Feb. 29, 2016	AMT	Option to Purchase Common Stock [F2]	Common Stock (10,000)	$31.50	March 1, 2016	10,000	Disposed
March 10, 2015	AMT	Option to Purchase Common Stock [F2]	Common Stock (4,971)	$94.57	March 10, 2025	4,971	Acquired
March 10, 2014	AMT	Option to Purchase Common Stock [F2]	Common Stock (5,054)	$81.18	March 10, 2024	5,054	Acquired
March 11, 2013	AMT	Option to Purchase Common Stock [F2]	Common Stock (3,239)	$76.90	March 11, 2023	3,239	Acquired
March 12, 2012	AMT	Option to Purchase Common Stock [F2]	Common Stock (3,590)	$62.00	March 12, 2022	3,590	Acquired
March 10, 2011	AMT	Option to Purchase Class A Common Stock [F2]	Class A Common Stock (3,653)	$50.78	March 10, 2021	3,653	Acquired
March 10, 2010	AMT	Option to Purchase Class A Common Stock [F2]	Class A Common Stock (4,167)	$43.11	March 10, 2020	4,167	Acquired
March 10, 2009	AMT	Option to Purchase Class A Common Stock [F2]	Class A Common Stock (7,152)	$28.39	March 10, 2019	7,152	Acquired
March 17, 2008	AMT	Option to purchase Class A Common Stock [F2]	Class A Common Stock (5,000)	$37.70	March 17, 2018	5,000	Acquired
July 2, 2007	SPOK	Restricted Stock Units	Common Stock (539)	—	—	539	Acquired
April 2, 2007	SPOK	Restricted Stock Units	Common Stock (556)	—	—	556	Acquired
March 15, 2007	AMT	Option to Purchase Class A Common Stock [F1]	Class A Common Stock (10,000)	$37.52	March 15, 2017	10,000	Acquired
Jan. 2, 2007	SPOK	Restricted Stock Units	Common Stock (476)	—	—	476	Acquired
Oct. 2, 2006	SPOK	Restricted Stock Units	Common Stock (440)	—	—	440	Acquired
Oct. 2, 2006	SPOK	Restricted Stock Units	Common Stock (440)	—	—	440	Acquired
June 30, 2006	SPOK	Restricted Stock Units	Common Stock (693)	—	—	693	Acquired
March 1, 2006	AMT	Option to Purchase Class A Common Stock [F1]	Class A Common Stock (10,000)	$31.50	March 1, 2016	10,000	Acquired
March 22, 2005	SPOK	Stock Option (Right to Buy)	Common Stock (20,000)	$0.00	June 12, 2013	20,000	Disposed
Feb. 25, 2005	SPOK	Stock Option (Right to Buy)	Common Stock (1,500)	$0.00	June 12, 2013	1,500	Disposed
Dec. 6, 2004	SPOK	Stock Option (Right to Buy)	Common Stock (10,000)	$0.00	June 12, 2013	10,000	Disposed
Dec. 3, 2004	SPOK	Stock Option (Right to Buy)	Common Stock (8,185)	$0.00	June 12, 2013	8,185	Disposed

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

Initial ownership (Form 3) 3 holdings

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

Date	Ticker	Security	Shares	Ownership
Aug. 11, 2005	AMT	Class A Common Stock [F1]	8,258	Direct
Nov. 17, 2004	SPOK	Common Stock	0	Direct
Nov. 17, 2004	SPOK	Employee Stock Option→ Common Stock	—	Direct