Insider · CIK 0001557290

Stuart A Arbuckle

Files at: RYTM, PRAX, VRTX, IMGN, DARE. On EDGAR ↗

Period1M 3M 6M 1Y 2Y All datashares as filed — not split-adjusted

Open-market buys & salesbuys $0 · 0sales $83.9M · 43net −$83.9M

Reported trades — common stock

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Jun 23, 2026 MForm 4 →	Jun 25, 6:03 pm EDT	RHYTHM PHARMACEUTICALS, INC.RYTM	4,712	—	—	11,712	—
Jun 10, 2026 AForm 4 →	Jun 12, 5:24 pm EDT	Praxis Precision Medicines, Inc.PRAX	1,371	—	—	2,537	—
Feb 11, 2019 SForm 4 →	Feb 13, 4:37 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	33,073	$180.21	$5,959,969	38,864	−46.0%	plan?
Feb 6, 2019 AForm 4 →	Feb 8, 4:33 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	35,535	—	—	71,937	—	plan?
Feb 4, 2019 SForm 4 →	Feb 6, 4:50 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	18,309	$186.20	$3,409,082	36,402	−33.5%	plan?
Feb 4, 2019 MForm 4 →	Feb 6, 4:50 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	7,959	$99.97	$795,657	54,711	—	plan?
Jan 22, 2019 SForm 4 →	Jan 24, 4:46 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	2,125	$193.48	$411,145	46,752	−4.35%	plan?
Jan 22, 2019 MForm 4 →	Jan 24, 4:46 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	2,125	$131.89	$280,266	48,877	—	plan?
Nov 15, 2018 SForm 4 →	Nov 19, 5:28 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	29	$163.75	$4,749	46,752	−0.06%	plan?
Nov 7, 2018 SForm 4 →	Nov 8, 4:26 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	2,125	$179.00	$380,375	46,752	−4.35%	plan?
Nov 7, 2018 MForm 4 →	Nov 8, 4:26 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	2,125	$131.89	$280,266	48,877	—	plan?
Nov 5, 2018 SForm 4 →	Nov 6, 4:24 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	5,803	$172.08	$998,580	46,752	−11.0%	plan?
Nov 5, 2018 MForm 4 →	Nov 6, 4:24 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	5,803	$103.09	$598,211	48,305	—	plan?
Nov 2, 2018 SForm 4 →	Nov 5, 4:52 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	2,155	$175.36	$377,901	46,752	−4.41%	plan?
Nov 2, 2018 MForm 4 →	Nov 5, 4:52 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	2,155	$91.05	$196,213	48,907	—	plan?
Aug 2, 2018 SForm 4 →	Aug 6, 5:21 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	10,083	$175.29	$1,767,499	46,752	−17.7%	plan?
Aug 2, 2018 MForm 4 →	Aug 6, 5:21 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	10,083	$106.58	$1,074,690	52,555	—	plan?
Jul 13, 2018 SForm 4 →	Jul 17, 6:23 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	8,500	$179.21	$1,523,306	46,752	−15.4%	plan?
Jul 13, 2018 MForm 4 →	Jul 17, 6:23 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	8,500	$123.13	$1,046,647	48,877	—	plan?
Jun 29, 2018 SForm 4 →	Jul 3, 4:20 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	3,708	$169.00	$626,652	46,752	−7.35%	plan?
Jun 29, 2018 MForm 4 →	Jul 3, 4:20 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	3,708	$89.15	$330,578	50,460	—	plan?
Jun 22, 2018 SForm 4 →	Jun 26, 5:20 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	4,250	$159.00	$675,750	46,752	−8.33%	plan?
Jun 22, 2018 MForm 4 →	Jun 26, 5:20 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	4,250	$109.14	$463,845	51,002	—	plan?
May 15, 2018 SForm 4 →	May 16, 5:11 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	138	$155.78	$21,498	46,752	−0.29%	plan?
Apr 16, 2018 SForm 4 →	Apr 18, 2:50 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	2,125	$163.01	$346,396	46,752	−4.35%	plan?
Apr 16, 2018 MForm 4 →	Apr 18, 2:50 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	2,125	$96.87	$205,849	48,877	—	plan?
Feb 26, 2018 SForm 4 →	Feb 28, 9:22 am EST	VERTEX PHARMACEUTICALS INC / MAVRTX	6,459	$169.00	$1,091,571	46,752	−12.1%	plan?
Feb 26, 2018 MForm 4 →	Feb 28, 9:22 am EST	VERTEX PHARMACEUTICALS INC / MAVRTX	1,554	$86.52	$134,452	53,211	—	plan?
Feb 13, 2018 SForm 4 →	Feb 15, 4:23 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	4,044	$151.83	$614,001	51,657	−7.26%	plan?
Feb 12, 2018 SForm 4 →	Feb 14, 6:16 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	6,824	$152.82	$1,042,833	55,701	−10.9%	plan?
Feb 6, 2018 AForm 4 →	Feb 8, 5:53 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	20,573	—	—	62,525	—	plan?
Feb 5, 2018 SForm 4 →	Feb 7, 5:46 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	8,500	$163.08	$1,386,180	41,952	−16.8%	plan?
Feb 5, 2018 MForm 4 →	Feb 7, 5:46 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	8,500	$93.23	$792,413	50,452	—	plan?
Feb 2, 2018 SForm 4 →	Feb 5, 5:11 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	2,156	$169.42	$365,270	41,952	−4.89%	plan?
Feb 2, 2018 MForm 4 →	Feb 5, 5:11 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	2,156	$91.05	$196,304	44,108	—	plan?
Jan 24, 2018 SForm 4 →	Jan 26, 4:46 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	8,969	$169.00	$1,515,761	41,952	−17.6%	plan?
Jan 24, 2018 MForm 4 →	Jan 26, 4:46 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	8,969	$88.70	$795,522	50,921	—	plan?
Jan 16, 2018 SForm 4 →	Jan 17, 4:34 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	2,125	$158.28	$336,345	41,952	−4.82%	plan?
Jan 16, 2018 MForm 4 →	Jan 17, 4:34 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	2,125	$96.87	$205,849	44,077	—	plan?
Jan 11, 2018 SForm 4 →	Jan 12, 4:16 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	4,250	$159.00	$675,750	41,952	−9.20%	plan?
Jan 11, 2018 MForm 4 →	Jan 12, 4:16 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	4,250	$109.14	$463,845	46,202	—	plan?
Nov 15, 2017 SForm 4/A →	Dec 6, 5:40 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	48	$147.29	$7,070	41,952	−0.11%	plan?
Nov 15, 2017 SForm 4 →	Nov 17, 4:37 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	221	$147.29	$32,551	41,952	−0.52%	plan? amended
Nov 6, 2017 SForm 4 →	Nov 7, 5:15 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	4,250	$148.17	$629,723	41,952	−9.20%	plan?
Nov 6, 2017 MForm 4 →	Nov 7, 5:15 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	4,250	$77.31	$328,568	46,202	—	plan?
Oct 27, 2017 MForm 4 →	Oct 31, 6:16 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	2,125	$96.87	$205,849	119,077	—	plan?
Oct 27, 2017 SForm 4 →	Oct 31, 6:16 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	81,290	$144.74	$11,766,243	41,952	−66.0%	plan?
Aug 7, 2017 SForm 4 →	Aug 9, 4:36 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	4,250	$152.88	$649,740	121,117	−3.39%	plan?
Aug 7, 2017 MForm 4 →	Aug 9, 4:36 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	4,250	$77.31	$328,568	125,367	—	plan?
Aug 3, 2017 SForm 4 →	Aug 4, 4:53 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	4,250	$155.72	$661,810	121,117	−3.39%	plan?
Aug 3, 2017 MForm 4 →	Aug 4, 4:53 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	4,250	$109.14	$463,845	125,367	—	plan?
Jul 31, 2017 SForm 4 →	Aug 2, 4:44 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	2,125	$152.99	$325,104	121,117	−1.72%	plan?
Jul 31, 2017 MForm 4 →	Aug 2, 4:44 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	2,125	$83.36	$177,140	123,242	—	plan?
Jul 19, 2017 SForm 4 →	Jul 21, 7:58 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	101,875	$161.50	$16,453,101	121,117	−45.7%	plan?
Jul 19, 2017 MForm 4 →	Jul 21, 7:58 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	91,525	$107.82	$9,867,984	133,592	—	plan?
Jun 1, 2017 SForm 4 →	Jun 5, 6:06 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	70,969	$128.06	$9,088,179	131,467	−35.1%	plan?
Jun 1, 2017 MForm 4 →	Jun 5, 6:06 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	70,969	$75.51	$5,359,047	188,842	—	plan?
Apr 28, 2017 SForm 4 →	May 2, 5:17 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	28,320	$119.50	$3,384,240	131,247	−17.7%	plan?
Apr 28, 2017 MForm 4 →	May 2, 5:17 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	28,320	$45.11	$1,277,515	159,567	—	plan?
Feb 13, 2017 SForm 4 →	Feb 15, 4:47 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	3,792	$88.39	$335,175	127,455	−2.89%	plan?
Feb 3, 2017 AForm 4 →	Feb 7, 4:50 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	17,889	$0.01	$58	131,247	—	plan?
Jan 3, 2017 AForm 4 →	Jan 5, 4:19 pm EST	Cerulean Pharma Inc.CERU	7,467	$0.77	$5,750	13,104	—	plan?
Nov 9, 2016 SForm 4 →	Nov 14, 8:40 am EST	VERTEX PHARMACEUTICALS INC / MAVRTX	1,208	$90.00	$108,720	113,358	−1.05%	plan? late
Oct 3, 2016 AForm 4 →	Oct 20, 6:56 pm EDT	Cerulean Pharma Inc.CERU	5,637	$1.02	$5,750	5,637	—	plan? late
Oct 3, 2016 SForm 4 →	Oct 5, 4:11 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	1,208	$86.46	$104,444	114,566	−1.04%	plan?
May 25, 2016 GForm 4 →	May 27, 10:15 am EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	150	—	—	115,774	—	plan?
Feb 3, 2016 SForm 4 →	Feb 4, 6:51 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	6,042	$90.82	$548,759	115,721	−4.96%	plan?
Feb 2, 2016 AForm 4 →	Feb 4, 6:51 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	17,299	$0.01	$173	121,763	—	plan?
Dec 4, 2015 SForm 4 →	Dec 8, 4:17 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	4,531	$123.98	$561,748	104,464	−4.16%	plan?
Dec 4, 2015 MForm 4 →	Dec 8, 4:17 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	4,531	$53.74	$243,496	108,995	—	plan?
Nov 16, 2015 SForm 4 →	Nov 18, 4:32 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	4,077	$123.83	$504,852	104,464	−3.76%	plan?
Nov 16, 2015 MForm 4 →	Nov 18, 4:32 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	3,650	$77.31	$282,182	108,541	—	plan?
Nov 5, 2015 SForm 4 →	Nov 9, 5:38 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	6,264	$123.18	$771,622	104,748	−5.64%	plan?
Nov 5, 2015 MForm 4 →	Nov 9, 5:38 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	6,264	$48.19	$301,889	111,012	—	plan?
Oct 30, 2015 SForm 4 →	Nov 3, 6:02 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	10,350	$125.49	$1,298,794	104,748	−8.99%	plan?
Oct 1, 2015 SForm 4 →	Oct 5, 8:15 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	12,417	$104.71	$1,300,225	115,098	−9.74%	plan?
Sep 4, 2015 SForm 4 →	Sep 9, 4:28 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	9,063	$125.77	$1,139,818	127,515	−6.64%	plan?
Sep 4, 2015 MForm 4 →	Sep 9, 4:28 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	9,063	$53.74	$487,046	136,578	—	plan?
Aug 5, 2015 SForm 4 →	Aug 7, 4:23 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	19,828	$141.28	$2,801,202	127,515	−13.5%	plan?
Aug 5, 2015 MForm 4 →	Aug 7, 4:23 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	19,828	$58.91	$1,168,141	147,343	—	plan?
May 15, 2015 SForm 4 →	May 18, 6:06 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	148	$123.85	$18,330	127,515	−0.12%	plan?
Apr 27, 2015 SForm 4 →	Apr 29, 8:36 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	61,480	$129.36	$7,952,758	127,515	−32.5%	plan?
Apr 27, 2015 GMForm 4 →	Apr 29, 8:36 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	51,025	$58.98	$3,000,404	188,995	—	plan?
Feb 3, 2015 AForm 4 →	Feb 5, 5:09 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	20,700	$0.01	$207	138,270	—	plan?

Reported trades — derivatives (options, RSUs, warrants)

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake
Jun 23, 2026 AMForm 4 →	Jun 25, 6:03 pm EDT	RHYTHM PHARMACEUTICALS, INC.RYTM	10,727	—	—	2,324	—
Jun 10, 2026 AForm 4 →	Jun 12, 5:24 pm EDT	Praxis Precision Medicines, Inc.PRAX	648	—	—	648	—
Feb 6, 2019 AForm 4 →	Feb 8, 4:33 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	25,026	—	—	25,026	—
Feb 4, 2019 MForm 4 →	Feb 6, 4:50 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	7,959	—	—	12,426	—
Jan 22, 2019 MForm 4 →	Jan 24, 4:46 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	2,125	—	—	4,250	—
Nov 7, 2018 MForm 4 →	Nov 8, 4:26 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	2,125	—	—	6,375	—
Nov 5, 2018 MForm 4 →	Nov 6, 4:24 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	5,803	—	—	13,980	—
Nov 2, 2018 MForm 4 →	Nov 5, 4:52 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	2,155	—	—	10,776	—
Aug 2, 2018 MForm 4 →	Aug 6, 5:21 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	10,083	—	—	15,533	—
Jul 13, 2018 MForm 4 →	Jul 17, 6:23 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	8,500	—	—	0	—
Jun 29, 2018 MForm 4 →	Jul 3, 4:20 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	3,708	—	—	17,086	—
Jun 22, 2018 MForm 4 →	Jun 26, 5:20 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	4,250	—	—	12,750	—
Jun 20, 2018 AForm 4 →	Jun 22, 2:21 pm EDT	IMMUNOGEN INCIMGN	39,300	$11.21	$378,898	15,800	—
Apr 16, 2018 MForm 4 →	Apr 18, 2:50 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	2,125	—	—	2,125	—
Feb 26, 2018 MForm 4 →	Feb 28, 9:22 am EST	VERTEX PHARMACEUTICALS INC / MAVRTX	1,554	—	—	18,639	—
Feb 6, 2018 AForm 4 →	Feb 8, 5:53 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	19,566	—	—	19,566	—
Feb 5, 2018 MForm 4 →	Feb 7, 5:46 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	8,500	—	—	17,000	—
Feb 2, 2018 MForm 4 →	Feb 5, 5:11 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	2,156	—	—	17,241	—
Jan 24, 2018 MForm 4 →	Jan 26, 4:46 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	8,969	—	—	20,193	—
Jan 16, 2018 MForm 4 →	Jan 17, 4:34 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	2,125	—	—	4,250	—
Jan 11, 2018 MForm 4 →	Jan 12, 4:16 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	4,250	—	—	21,250	—
Nov 6, 2017 MForm 4 →	Nov 7, 5:15 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	4,250	—	—	4,250	—
Oct 27, 2017 MForm 4 →	Oct 31, 6:16 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	2,125	—	—	6,375	—
Aug 7, 2017 MForm 4 →	Aug 9, 4:36 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	4,250	—	—	8,500	—
Aug 3, 2017 MForm 4 →	Aug 4, 4:53 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	4,250	—	—	25,500	—
Jul 31, 2017 MForm 4 →	Aug 2, 4:44 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	2,125	—	—	0	—
Jul 19, 2017 MForm 4 →	Jul 21, 7:58 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	91,525	—	—	17,000	—
Jun 1, 2017 MForm 4 →	Jun 5, 6:06 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	70,969	—	—	2,125	—
Apr 28, 2017 MForm 4 →	May 2, 5:17 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	28,320	—	—	0	—
Feb 3, 2017 AForm 4 →	Feb 7, 4:50 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	24,852	—	—	24,852	—
Jun 22, 2016 AForm 4 →	Jun 24, 4:12 pm EDT	Cerulean Pharma Inc.CERU	20,000	—	—	20,000	—
Feb 2, 2016 AForm 4 →	Feb 4, 6:51 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	34,482	—	—	34,482	—
Dec 4, 2015 MForm 4 →	Dec 8, 4:17 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	4,531	—	—	13,594	—
Nov 16, 2015 MForm 4 →	Nov 18, 4:32 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	3,650	—	—	38,250	—
Nov 5, 2015 MForm 4 →	Nov 9, 5:38 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	6,264	—	—	41,900	—
Sep 4, 2015 MForm 4 →	Sep 9, 4:28 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	9,063	—	—	18,125	—
Aug 5, 2015 MForm 4 →	Aug 7, 4:23 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	19,828	—	—	42,500	—
Jul 21, 2015 AForm 4 →	Jul 23, 4:27 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	34,000	—	—	34,000	—
Jun 26, 2015 AForm 4 →	Jun 30, 4:13 pm EDT	Cerulean Pharma Inc.CERU	22,000	—	—	22,000	—
Apr 27, 2015 MForm 4 →	Apr 29, 8:36 pm EDT	VERTEX PHARMACEUTICALS INC / MAVRTX	50,875	—	—	51,000	—
Feb 3, 2015 AForm 4 →	Feb 5, 5:09 pm EST	VERTEX PHARMACEUTICALS INC / MAVRTX	68,000	—	—	68,000	—