Kenneth L Horton

CIK 1552047 · View on SEC EDGAR ↗

Insider

First SEC filing: March 15, 2021 · Latest: March 15, 2021

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

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 32 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

32 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 15, 2026	SENS	F	9,545	$7.18	$68,533	285,512 Direct	-3.23%	Disposed	25.6% (price as of 2026-08-20)
June 15, 2024	SENS	F	80,785	$0.39	$31,506	2,893,905 Direct	-2.72%	Disposed	15.6% (price as of 2026-08-20)
May 23, 2024	SENS	A	1,135,604	—	—	2,974,690 Direct	+61.75%	Acquired	(price as of 2026-08-20)
May 15, 2024	SENS	F	108,100	$0.50	$54,050	1,839,086 Direct	-5.55%	Disposed	-9.8% (price as of 2026-08-20)
Nov. 15, 2023	SENS	F	163,319	$0.61	$99,625	1,947,186 Direct	-7.74%	Disposed	-26.1% (price as of 2026-08-20)
June 15, 2023	SENS	F	51,276	$0.77	$39,483	2,110,505 Direct	-2.37%	Disposed	-41.4% (price as of 2026-08-20)
May 15, 2023	SENS	A	782,089	—	—	2,161,781 Direct	+56.69%	Acquired	(price as of 2026-08-20)
May 15, 2023	SENS	F	137,927	$0.74	$102,066	1,379,692 Direct	-9.09%	Disposed	-39.1% (price as of 2026-08-20)
Nov. 15, 2022	SENS	F	104,306	$1.25	$130,382	1,517,619 Direct	-6.43%	Disposed	-63.9% (price as of 2026-08-20)
June 15, 2022	SENS	F	26,105	$0.97	$25,322	1,621,925 Direct	-1.58%	Disposed	-53.5% (price as of 2026-08-20)
May 26, 2022	SENS	A	431,035	—	—	1,648,030 Direct	+35.42%	Acquired	(price as of 2026-08-20)
May 26, 2022	SENS	A	45,000	—	—	1,216,995 Direct	+3.84%	Acquired	(price as of 2026-08-20)
May 16, 2022	SENS	F	45,430	$1.13	$51,336	1,171,995 Direct	-3.73%	Disposed	-60.1% (price as of 2026-08-20)
Feb. 11, 2022	SENS	S	143,126	$2.46	$352,090	1,217,425 Direct	-10.52%	Disposed	-81.7% (price as of 2026-08-20)
Feb. 10, 2022	SENS	A	255,287	—	—	1,360,551 Direct	+23.10%	Acquired	(price as of 2026-08-20)
Nov. 15, 2021	SENS	F	46,426	$3.80	$176,419	1,105,264 Direct	-4.03%	Disposed	-88.1% (price as of 2026-08-20)
June 15, 2021	SENS	F	10,899	$3.69	$40,217	1,151,690 Direct	-0.94%	Disposed	-87.8% (price as of 2026-08-20)
May 25, 2021	SENS	A	306,451	—	—	1,162,589 Direct	+35.79%	Acquired	(price as of 2026-08-20)
May 15, 2021	SENS	F	34,710	$1.92	$66,643	856,138 Direct	-3.90%	Disposed	-76.5% (price as of 2026-08-20)
Nov. 17, 2014	VRTX	G 10b5-1	410	—	—	72,053 Direct	-0.57%	Disposed	(price as of 2026-08-20)
Oct. 30, 2014	VRTX	A	40,000	$0.01	$400	72,463 Direct	+123.22%	Acquired	5441200.0% (price as of 2026-08-20)
Sept. 30, 2014	VRTX	M	36,000	—	—	36,000 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Sept. 30, 2014	VRTX	S 10b5-1	7,400	$113.91	$842,934	32,463 Direct	-18.56%	Disposed	377.7% (price as of 2026-08-20)
Sept. 30, 2014	VRTX	S 10b5-1	9,601	$113.10	$1,085,873	39,863 Direct	-19.41%	Disposed	381.1% (price as of 2026-08-20)
Sept. 30, 2014	VRTX	S 10b5-1	14,286	$112.22	$1,603,175	49,464 Direct	-22.41%	Disposed	384.9% (price as of 2026-08-20)
Sept. 30, 2014	VRTX	S 10b5-1	4,713	$111.33	$524,698	63,750 Direct	-6.88%	Disposed	388.8% (price as of 2026-08-20)
Sept. 30, 2014	VRTX	M	36,000	$55.83	$2,009,880	68,463 Direct	+110.90%	Acquired	874.6% (price as of 2026-08-20)
July 15, 2014	VRTX	A	34,000	—	—	34,000 Direct	—	Acquired	(price as of 2026-08-20)
July 1, 2014	VRTX	M	28,321	—	—	62,304 Direct	-31.25%	Disposed	(price as of 2026-08-20)
July 1, 2014	VRTX	S 10b5-1	27,877	$95.28	$2,656,121	32,463 Direct	-46.20%	Disposed	471.1% (price as of 2026-08-20)
July 1, 2014	VRTX	S 10b5-1	2,257	$94.49	$213,264	60,340 Direct	-3.61%	Disposed	475.9% (price as of 2026-08-20)
July 1, 2014	VRTX	M	28,321	$45.11	$1,277,560	62,597 Direct	+82.63%	Acquired	1106.2% (price as of 2026-08-20)
Feb. 5, 2014	VRTX	A	51,000	—	—	51,000 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 5, 2014	VRTX	A	17,250	$0.01	$172	33,874 Direct	+103.77%	Acquired	5441200.0% (price as of 2026-08-20)
Dec. 12, 2013	VRTX	S 10b5-1	4,532	$65.46	$296,665	16,624 Direct	-21.42%	Disposed	731.2% (price as of 2026-08-20)
July 30, 2013	VRTX	A	34,000	—	—	34,000 Direct	—	Acquired	(price as of 2026-08-20)
July 8, 2013	VRTX	S 10b5-1	300	$81.82	$24,546	20,676 Direct	-1.43%	Disposed	565.0% (price as of 2026-08-20)
July 8, 2013	VRTX	S 10b5-1	1,513	$80.50	$121,796	20,976 Direct	-6.73%	Disposed	575.9% (price as of 2026-08-20)
Feb. 5, 2013	VRTX	A	90,625	—	—	90,625 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 5, 2013	VRTX	A	12,084	$0.01	$121	21,751 Direct	+125.00%	Acquired	5441200.0% (price as of 2026-08-20)
June 11, 2012	VRTX	A	72,000	—	—	72,000 Direct	—	Acquired	(price as of 2026-08-20)
June 11, 2012	VRTX	A	9,667	$0.01	$97	9,667 Direct	—	Acquired	5441200.0% (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
Sept. 30, 2014	VRTX	Stock Option (right to buy)	Common Stock (36,000)	$55.83	June 10, 2022	36,000	Disposed
July 15, 2014	VRTX	Employee Stock Option (right to buy)	Common Stock (34,000)	$96.87	July 14, 2024	34,000	Acquired
July 1, 2014	VRTX	Stock Option (right to buy)	Common Stock (28,321)	$45.11	Feb. 4, 2023	28,321	Disposed
Feb. 5, 2014	VRTX	Employee Stock Option (right to buy)	Common Stock (51,000)	$77.31	Feb. 4, 2024	51,000	Acquired
July 30, 2013	VRTX	Stock Option	Common Stock (34,000)	$83.36	July 29, 2023	34,000	Acquired
Feb. 5, 2013	VRTX	Employee Stock Option (right to buy)	Common Stock (90,625)	$45.11	Feb. 4, 2023	90,625	Acquired
June 11, 2012	VRTX	Employee Stock Option (right to buy)	Common Stock (72,000)	$55.83	June 10, 2022	72,000	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
March 15, 2021	SENS	Common Stock	925,379	Direct
March 15, 2021	SENS	Employee Stock Option (right to buy)→ Common Stock (223,500)	223,500	Direct
March 15, 2021	SENS	Employee Stock Option (right to buy)→ Common Stock (124,000)	124,000	Direct
March 15, 2021	SENS	Employee Stock Option (right to buy)→ Common Stock (190,000)	190,000	Direct

Compensation (DEF 14A)

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

VRTX

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2014	$465,000	—	$5,741,425	$3,418,455	$279,000	—	$3,253	$9,907,133
2013	$465,000	—	$544,988	$3,077,513	$439,425	—	$12,625	$4,539,551
2012	$259,327	—	$539,612	$1,822,615	$169,260	—	$11,921	$2,802,735

SENS

General Counsel

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2023	$464,000	—	$575,774	—	$233,100	—	$40,183	$1,313,057
2022	$444,000	$28,000	$552,201	—	$227,673	—	$2,658	$1,254,532

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