Robert D Short III

Insider

First SEC filing: July 15, 2010 · Latest: July 15, 2010

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.
Compensation Executive pay disclosed in company proxy statements.

Insider at

VHC selling Jan. 15, 2019

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 73 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

73 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 5, 2023	VHC	A	28,150	—	—	61,486 Direct	+84.44%	Acquired	(price as of 2026-08-20)
June 7, 2022	VHC	A	45,000	—	—	45,000 Direct	—	Acquired	(price as of 2026-08-20)
June 7, 2022	VHC	A	13,336	—	—	46,670 Direct	+40.01%	Acquired	(price as of 2026-08-20)
June 14, 2021	VHC	A	44,000	—	—	44,000 Direct	—	Acquired	(price as of 2026-08-20)
June 14, 2021	VHC	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
June 14, 2021	VHC	A	13,333	—	—	134,256 Direct	+11.03%	Acquired	(price as of 2026-08-20)
June 3, 2021	VHC	F	883	$4.81	$4,247	33,334 Direct	-2.58%	Disposed	-84.7% (price as of 2026-08-20)
June 2, 2021	VHC	F	884	$4.81	$4,252	34,217 Direct	-2.52%	Disposed	-84.7% (price as of 2026-08-20)
June 1, 2021	VHC	F	1,766	$4.81	$8,494	35,101 Direct	-4.79%	Disposed	-84.7% (price as of 2026-08-20)
June 3, 2020	VHC	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
June 3, 2020	VHC	A	13,333	—	—	120,923 Direct	+12.39%	Acquired	(price as of 2026-08-20)
June 2, 2020	VHC	F	1,388	$6.63	$9,202	115,371 Direct	-1.19%	Disposed	-88.9% (price as of 2026-08-20)
June 1, 2020	VHC	F	2,776	$6.72	$18,655	116,759 Direct	-2.32%	Disposed	-89.1% (price as of 2026-08-20)
May 26, 2020	VHC	F	1,388	$7.30	$10,132	119,535 Direct	-1.15%	Disposed	-89.9% (price as of 2026-08-20)
March 19, 2020	VHC	A	35,000	—	—	35,000 Direct	—	Acquired	(price as of 2026-08-20)
May 30, 2019	VHC	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
May 30, 2019	VHC	A	13,333	—	—	107,590 Direct	+14.15%	Acquired	(price as of 2026-08-20)
Jan. 23, 2019	VHC	M	13,391	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Jan. 23, 2019	VHC	M	13,391	$1.15	$15,400	94,257 Direct	+16.56%	Acquired	-36.2% (price as of 2026-08-20)
Jan. 15, 2019	VHC	M 10b5-1	35,000	—	—	13,391 Direct	-72.33%	Disposed	(price as of 2026-08-20)
Jan. 15, 2019	VHC	S 10b5-1	3,098	$6.35	$19,672	80,866 Direct	-3.69%	Disposed	-88.4% (price as of 2026-08-20)
Jan. 15, 2019	VHC	S 10b5-1	21,474	$5.61	$120,469	83,964 Direct	-20.37%	Disposed	-86.9% (price as of 2026-08-20)
Jan. 15, 2019	VHC	S 10b5-1	10,428	$4.71	$49,116	105,438 Direct	-9.00%	Disposed	-84.4% (price as of 2026-08-20)
Jan. 15, 2019	VHC	M 10b5-1	35,000	$1.15	$40,250	115,866 Direct	+43.28%	Acquired	-36.2% (price as of 2026-08-20)
Dec. 18, 2018	VHC	M	24,199	—	—	48,391 Direct	-33.34%	Disposed	(price as of 2026-08-20)
Dec. 18, 2018	VHC	M	24,199	$1.15	$27,829	80,866 Direct	+42.70%	Acquired	-36.2% (price as of 2026-08-20)
May 31, 2018	VHC	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
May 31, 2018	VHC	A	13,333	—	—	56,667 Direct	+30.77%	Acquired	(price as of 2026-08-20)
Feb. 16, 2018	VHC	A	120,000	—	—	120,000 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 16, 2018	VHC	J	120,000	—	—	980,000 Direct	-10.91%	Disposed	(price as of 2026-08-20)
Sept. 14, 2017	VHC	A	1,100,000	—	—	1,100,000 Direct	—	Acquired	(price as of 2026-08-20)
June 2, 2017	VHC	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
June 2, 2017	VHC	A	13,333	—	—	43,334 Direct	+44.44%	Acquired	(price as of 2026-08-20)
May 23, 2016	VHC	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
May 23, 2016	VHC	A	13,333	—	—	71,274 Direct	+23.01%	Acquired	(price as of 2026-08-20)
Nov. 27, 2015	VHC	P	5,440	$2.70	$14,688	63,381 Direct	+9.39%	Acquired	-72.8% (price as of 2026-08-20)
Nov. 25, 2015	VHC	P	1,557	$2.70	$4,204	57,941 Direct	+2.76%	Acquired	-72.8% (price as of 2026-08-20)
Nov. 24, 2015	VHC	P	3,004	$2.69	$8,081	56,384 Direct	+5.63%	Acquired	-72.7% (price as of 2026-08-20)
Nov. 17, 2015	VHC	P	3,000	$2.90	$8,700	53,380 Direct	+5.95%	Acquired	-74.7% (price as of 2026-08-20)
Aug. 25, 2015	VHC	P	10,000	$2.80	$28,000	50,380 Direct	+24.76%	Acquired	-73.8% (price as of 2026-08-20)
May 20, 2015	VHC	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
May 20, 2015	VHC	A	13,333	—	—	40,380 Direct	+49.30%	Acquired	(price as of 2026-08-20)
July 8, 2014	VHC	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
July 8, 2014	VHC	A	13,333	—	—	27,047 Direct	+97.22%	Acquired	(price as of 2026-08-20)
May 14, 2014	VHC	P	3,500	$13.80	$48,300	30,166 Direct	+13.13%	Acquired	-94.7% (price as of 2026-08-20)
June 6, 2013	VHC	A	20,000	—	—	92,590 Direct	+27.55%	Acquired	(price as of 2026-08-20)
June 6, 2013	VHC	A	13,333	—	—	26,666 Direct	+100.00%	Acquired	(price as of 2026-08-20)
April 15, 2013	VHC	F	1,120	$18.59	$20,821	23,333 Direct	-4.58%	Disposed	-96.1% (price as of 2026-08-20)
July 19, 2012	VHC	M	20,000	—	—	72,590 Direct	-21.60%	Disposed	(price as of 2026-08-20)
July 19, 2012	VHC	S 10b5-1	20,000	$39.34	$786,800	13,333 Direct	-60.00%	Disposed	-98.1% (price as of 2026-08-20)
July 19, 2012	VHC	M	20,000	$1.15	$23,000	33,333 Direct	+150.00%	Acquired	-36.2% (price as of 2026-08-20)
June 13, 2012	VHC	M	20,000	—	—	92,590 Direct	-17.76%	Disposed	(price as of 2026-08-20)
June 13, 2012	VHC	S 10b5-1	20,000	$33.87	$677,400	13,333 Direct	-60.00%	Disposed	-97.8% (price as of 2026-08-20)
June 13, 2012	VHC	M	20,000	$1.15	$23,000	33,333 Direct	+150.00%	Acquired	-36.2% (price as of 2026-08-20)
May 15, 2012	VHC	M	20,000	—	—	112,590 Direct	-15.08%	Disposed	(price as of 2026-08-20)
May 15, 2012	VHC	S 10b5-1	20,000	$29.57	$591,400	13,333 Direct	-60.00%	Disposed	-97.5% (price as of 2026-08-20)
May 15, 2012	VHC	M	20,000	$1.15	$23,000	33,333 Direct	+150.00%	Acquired	-36.2% (price as of 2026-08-20)
April 16, 2012	VHC	M	20,000	—	—	132,590 Direct	-13.11%	Disposed	(price as of 2026-08-20)
April 16, 2012	VHC	S 10b5-1	20,000	$24.34	$486,800	13,333 Direct	-60.00%	Disposed	-97.0% (price as of 2026-08-20)
April 16, 2012	VHC	M	20,000	$1.15	$23,000	33,333 Direct	+150.00%	Acquired	-36.2% (price as of 2026-08-20)
April 13, 2012	VHC	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
April 13, 2012	VHC	A	13,333	—	—	13,333 Direct	—	Acquired	(price as of 2026-08-20)
March 16, 2012	VHC	M	20,000	—	—	152,590 Direct	-11.59%	Disposed	(price as of 2026-08-20)
March 16, 2012	VHC	S 10b5-1	20,000	$24.54	$490,800	0 Direct	-100.00%	Disposed	-97.0% (price as of 2026-08-20)
March 16, 2012	VHC	M	20,000	$1.15	$23,000	20,000 Direct	—	Acquired	-36.2% (price as of 2026-08-20)
Feb. 16, 2012	VHC	M	20,000	—	—	172,590 Direct	-10.38%	Disposed	(price as of 2026-08-20)
Feb. 16, 2012	VHC	S 10b5-1	20,000	$23.24	$464,800	0 Direct	-100.00%	Disposed	-96.8% (price as of 2026-08-20)
Feb. 16, 2012	VHC	M	20,000	$1.15	$23,000	20,000 Direct	—	Acquired	-36.2% (price as of 2026-08-20)
Jan. 18, 2012	VHC	M	20,000	—	—	192,590 Direct	-9.41%	Disposed	(price as of 2026-08-20)
Jan. 18, 2012	VHC	S 10b5-1	20,000	$25.94	$518,800	0 Direct	-100.00%	Disposed	-97.2% (price as of 2026-08-20)
Jan. 18, 2012	VHC	M	20,000	$1.15	$23,000	20,000 Direct	—	Acquired	-36.2% (price as of 2026-08-20)
Jan. 5, 2012	VHC	S 10b5-1	7,000	$23.88	$167,160	0 Direct	-100.00%	Disposed	-96.9% (price as of 2026-08-20)
Dec. 19, 2011	VHC	M	13,100	—	—	212,590 Direct	-5.80%	Disposed	(price as of 2026-08-20)
Dec. 19, 2011	VHC	S 10b5-1	13,100	$22.11	$289,641	7,000 Direct	-65.17%	Disposed	-96.7% (price as of 2026-08-20)
Dec. 19, 2011	VHC	M	13,100	$1.15	$15,065	20,100 Direct	+187.14%	Acquired	-36.2% (price as of 2026-08-20)
Dec. 13, 2011	VHC	M	6,900	—	—	225,690 Direct	-2.97%	Disposed	(price as of 2026-08-20)
Dec. 13, 2011	VHC	S 10b5-1	6,900	$22.01	$151,869	7,000 Direct	-49.64%	Disposed	-96.7% (price as of 2026-08-20)
Dec. 13, 2011	VHC	M	6,900	$1.15	$7,935	13,900 Direct	+98.57%	Acquired	-36.2% (price as of 2026-08-20)
Dec. 2, 2011	VHC	S 10b5-1	7,000	$22.01	$154,070	7,000 Direct	-50.00%	Disposed	-96.7% (price as of 2026-08-20)
Nov. 15, 2011	VHC	M	9,030	—	—	232,590 Direct	-3.74%	Disposed	(price as of 2026-08-20)
Nov. 15, 2011	VHC	S 10b5-1	9,030	$22.03	$198,931	14,000 Direct	-39.21%	Disposed	-96.7% (price as of 2026-08-20)
Nov. 15, 2011	VHC	M	9,030	$1.15	$10,384	23,030 Direct	+64.50%	Acquired	-36.2% (price as of 2026-08-20)
Nov. 14, 2011	VHC	M	10,970	—	—	241,620 Direct	-4.34%	Disposed	(price as of 2026-08-20)
Nov. 14, 2011	VHC	S 10b5-1	10,970	$22.00	$241,340	14,000 Direct	-43.93%	Disposed	-96.7% (price as of 2026-08-20)
Nov. 14, 2011	VHC	M	10,970	$1.15	$12,616	24,970 Direct	+78.36%	Acquired	-36.2% (price as of 2026-08-20)
Nov. 9, 2011	VHC	G	14,000	—	—	14,000 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 9, 2011	VHC	G	14,000	—	—	35,000 Indirect	-28.57%	Disposed	(price as of 2026-08-20)
Nov. 2, 2011	VHC	S 10b5-1	7,000	$22.35	$156,450	0 Direct	-100.00%	Disposed	-96.7% (price as of 2026-08-20)
Nov. 1, 2011	VHC	M	5,927	—	—	252,590 Direct	-2.29%	Disposed	(price as of 2026-08-20)
Nov. 1, 2011	VHC	S 10b5-1	5,927	$22.10	$130,987	7,000 Direct	-45.85%	Disposed	-96.7% (price as of 2026-08-20)
Nov. 1, 2011	VHC	M	5,927	$1.15	$6,816	12,927 Direct	+84.67%	Acquired	-36.2% (price as of 2026-08-20)
Oct. 31, 2011	VHC	M	14,073	—	—	258,517 Direct	-5.16%	Disposed	(price as of 2026-08-20)
Oct. 31, 2011	VHC	S 10b5-1	21,073	$22.01	$463,817	7,000 Direct	-75.07%	Disposed	-96.7% (price as of 2026-08-20)
Oct. 31, 2011	VHC	M	14,073	$1.15	$16,184	28,073 Direct	+100.52%	Acquired	-36.2% (price as of 2026-08-20)
Sept. 15, 2011	VHC	M	20,000	—	—	272,590 Direct	-6.84%	Disposed	(price as of 2026-08-20)
Sept. 15, 2011	VHC	S 10b5-1	20,000	$22.12	$442,400	14,000 Direct	-58.82%	Disposed	-96.7% (price as of 2026-08-20)
Sept. 15, 2011	VHC	M	20,000	$1.15	$23,000	34,000 Direct	+142.86%	Acquired	-36.2% (price as of 2026-08-20)
Sept. 1, 2011	VHC	S 10b5-1	7,000	$22.01	$154,070	14,000 Direct	-33.33%	Disposed	-96.7% (price as of 2026-08-20)
July 9, 2011	VHC	G	21,000	—	—	21,000 Direct	—	Acquired	(price as of 2026-08-20)
July 9, 2011	VHC	G	21,000	—	—	49,000 Indirect	-30.00%	Disposed	(price as of 2026-08-20)

Showing latest 100 of 104 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
June 7, 2022	VHC	Stock Option(Right to Buy)	Common Stock (45,000)	$1.49	June 7, 2032	45,000	Acquired
June 14, 2021	VHC	Stock Option(Right to Buy)	Common Stock (44,000)	$4.59	June 14, 2031	44,000	Acquired
June 14, 2021	VHC	Stock Option(Right to Buy)	Common Stock (20,000)	$4.59	June 14, 2031	20,000	Acquired
June 3, 2020	VHC	Stock Option(Right to Buy)	Common Stock (20,000)	$6.92	June 3, 2030	20,000	Acquired
March 19, 2020	VHC	Stock Option (Right to Buy)	Common Stock (35,000)	$5.63	March 19, 2030	35,000	Acquired
May 30, 2019	VHC	Stock Option(Right to Buy)	Common Stock (20,000)	$6.11	May 30, 2029	20,000	Acquired
Jan. 23, 2019	VHC	Stock Option (Right to Buy)	Common Stock (13,391)	$1.15	April 2, 2019	13,391	Disposed
Jan. 15, 2019	VHC	Stock Option (Right to Buy)	Common Stock (35,000)	$1.15	April 2, 2019	35,000	Disposed
Dec. 18, 2018	VHC	Stock Option (Right to Buy)	Common Stock (24,199)	$1.15	April 2, 2019	24,199	Disposed
May 31, 2018	VHC	Stock Option(Right to Buy)	Common Stock (20,000)	$3.20	May 31, 2028	20,000	Acquired
Feb. 16, 2018	VHC	Stock Option (Right to Buy)	Common Stock (120,000)	$3.55	Feb. 16, 2028	120,000	Acquired
Feb. 16, 2018	VHC	Stock Option (Right to Buy)	Common Stock (120,000)	$4.15	Sept. 14, 2027	120,000	Disposed
Sept. 14, 2017	VHC	Stock Option (Right to Buy)	Common Stock (1,100,000)	$4.15	Sept. 14, 2027	1,100,000	Acquired
June 2, 2017	VHC	Stock Option (Right to Buy)	Common Stock (20,000)	$3.85	June 2, 2027	20,000	Acquired
May 23, 2016	VHC	Stock Option (Right to Buy)	Common Stock (20,000)	$4.74	May 23, 2026	20,000	Acquired
May 20, 2015	VHC	Stock Option (Right to Buy)	Common Stock (20,000)	$5.41	May 20, 2025	20,000	Acquired
July 8, 2014	VHC	Stock Option (Right to Buy)	Common Stock (20,000)	$15.40	July 8, 2024	20,000	Acquired
June 6, 2013	VHC	Stock Option (Right to Buy)	Common Stock (20,000)	$23.72	June 6, 2013	20,000	Acquired
July 19, 2012	VHC	Stock Option (Right to Buy)	Common Stock (20,000)	$1.15	April 2, 2019	20,000	Disposed
June 13, 2012	VHC	Stock Option (Right to Buy)	Common Stock (20,000)	$1.15	April 2, 2019	20,000	Disposed
May 15, 2012	VHC	Stock Option (Right to Buy)	Common Stock (20,000)	$1.15	April 2, 2019	20,000	Disposed
April 16, 2012	VHC	Stock Option (Right to Buy)	Common Stock (20,000)	$1.15	April 2, 2019	20,000	Disposed
April 13, 2012	VHC	Stock Option (Right to Buy)	Common Stock (20,000)	$24.75	April 13, 2022	20,000	Acquired
March 16, 2012	VHC	Stock Option (Right to Buy)	Common Stock (20,000)	$1.15	April 2, 2019	20,000	Disposed
Feb. 16, 2012	VHC	Stock Option (Right to Buy)	Common Stock (20,000)	$1.15	April 2, 2019	20,000	Disposed
Jan. 18, 2012	VHC	Stock Option (Right to Buy)	Common Stock (20,000)	$1.15	April 2, 2019	20,000	Disposed
Dec. 19, 2011	VHC	Stock Option (Right to Buy)	Common Stock (13,100)	$1.15	April 2, 2019	13,100	Disposed
Dec. 13, 2011	VHC	Stock Option (Right to Buy)	Common Stock (6,900)	$1.15	April 2, 2019	6,900	Disposed
Nov. 15, 2011	VHC	Stock Option (Right to Buy)	Common Stock (9,030)	$1.15	April 2, 2019	9,030	Disposed
Nov. 14, 2011	VHC	Stock Option (Right to Buy)	Common Stock (10,970)	$1.15	April 2, 2019	10,970	Disposed
Nov. 1, 2011	VHC	Stock Option (Right to Buy)	Common Stock (5,927)	$1.15	April 2, 2019	5,927	Disposed
Oct. 31, 2011	VHC	Stock Option (Right to Buy)	Common Stock (14,073)	$1.15	April 2, 2019	14,073	Disposed
Sept. 15, 2011	VHC	Stock Option (Right to Buy)	Common Stock (20,000)	$1.15	April 2, 2019	20,000	Disposed
Aug. 17, 2011	VHC	Stock Option (Right to Buy)	Common Stock (20,000)	$1.15	April 2, 2019	20,000	Disposed
May 13, 2011	VHC	Stock Option (Right to Buy)	Common Stock (40,000)	$23.62	May 12, 2021	40,000	Acquired

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

Initial ownership (Form 3) 4 holdings

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

Date	Ticker	Security	Shares	Ownership
July 15, 2010	VHC	Common Stock	70,000	Indirect
July 15, 2010	VHC	Stock Option Grant (Right to Buy)→ Common Stock (1,037,899)	1,037,899	Direct
July 15, 2010	VHC	Stock Option Grant (Right to Buy)→ Common Stock (312,590)	312,590	Direct
July 15, 2010	VHC	Stock Option Grant (Right to Buy)→ Common Stock (35,000)	35,000	Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

VHC

Ph.D. Chief Scientist (former)

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2025	$475,617	—	—	—	—	—	$55,812	$531,429
2024	$522,655	$261,328	$182,400	—	—	—	$13,800	$980,183
2023	$502,554	$251,277	$13,507	—	—	—	$1,437,337	$2,204,679

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.