Company · CIK 0001503274 · SIC 3826 — Laboratory Analytical Instruments · Nasdaq

Quanterix Corp · QTRX

Insider activity reported against this company. All insider holders · On EDGAR ↗

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

Open-market buys & salesbuys $12.4M · 8sales $3.9M · 20net $8.5M

Reported at this company — common stock

Trade	Reported (ET)	Insider	Shares	Avg price	Total	Owned after	Δ stake	Flags
Sep 15, 2026 FMForm 4 →	Sep 16, 4:59 pm EDT	Michael Francis MillerChief Technology Officer	2,025	$2.72	$1,270	38,452	—
Aug 31, 2026 FMForm 4 →	Sep 1, 4:07 pm EDT	Michael Francis MillerChief Technology Officer	207	$2.67	$128	37,361	—
Aug 19, 2026 MForm 4 →	Aug 20, 4:59 pm EDT	Jeffrey Thomas ElliottDirector	3,955	—	—	15,345	—
Aug 17, 2026 MForm 4 →	Aug 19, 6:37 am EDT	William P DonnellyDirector	2,802	—	—	162,401	—
Aug 15, 2026 FMForm 4 →	Aug 17, 4:14 pm EDT	Michael Francis MillerChief Technology Officer	2,025	$2.59	$1,210	37,250	—
Aug 12, 2026 PForm 4 →	Aug 14, 4:01 pm EDT	William P DonnellyDirector	99,400	$2.88	$286,354	99,400	—
Jul 31, 2026 FMForm 4 →	Aug 4, 4:45 pm EDT	Michael Francis MillerChief Technology Officer	169	$3.48	$136	36,159	—
Jul 15, 2026 FMForm 4 →	Jul 16, 5:33 pm EDT	Michael Francis MillerChief Technology Officer	2,025	$4.24	$1,980	36,068	—
Jul 8, 2026 MForm 4 →	Jul 9, 5:20 pm EDT	Scott MendelDirector	8,073	—	—	24,056	—
Jul 8, 2026 MForm 4 →	Jul 9, 5:19 pm EDT	Goldman Myla LaiDirector	8,073	—	—	15,041	—
Jul 1, 2026 AForm 4 →	Jul 2, 4:03 pm EDT	Scott MendelDirector	3,456	$4.34	$14,999	16,837	—
Jul 1, 2026 AForm 4 →	Jul 2, 4:02 pm EDT	William P DonnellyDirector	5,472	$4.34	$23,748	160,305	—
Jun 30, 2026 FMForm 4 →	Jul 2, 4:01 pm EDT	Michael Francis MillerChief Technology Officer	169	$4.32	$168	34,977	—
Jun 15, 2026 FMForm 4 →	Jun 23, 5:06 pm EDT	Vandana SriramChief Financial Officer	2,381	$3.10	$1,699	31,283	—	late
Jun 15, 2026 FMForm 4 →	Jun 16, 4:05 pm EDT	Michael Francis MillerChief Technology Officer	2,025	$3.10	$1,448	34,886	—
May 12, 2026 PForm 4 →	Jun 12, 5:32 pm EDT	Benjamin MeadowsChief Commercial Officer	3,500	$2.77	$9,695	3,500	—	late
Mar 1, 2019 SForm 4 →	Mar 1, 5:02 pm EST	Dawn MattoonSr VP, Stgc Mrktg & Assay Tech	75	$25.00	$1,875	16,715	−0.45%	plan?
Mar 1, 2019 SForm 4 →	Mar 1, 4:57 pm EST	E Kevin HrusovskyChairman, President & CEO, Director	1,903	$25.00	$47,583	1,157,495	−0.16%	plan?
Feb 26, 2019 SForm 4 →	Feb 27, 4:10 pm EST	Dawn MattoonSr VP, Stgc Mrktg & Assay Tech	890	$23.72	$21,114	16,790	−5.03%	plan?
Feb 1, 2019 SForm 4 →	Feb 1, 6:10 pm EST	E Kevin HrusovskyChairman, President & CEO, Director	1,952	$20.90	$40,796	1,159,398	−0.17%	plan?
Jan 15, 2019 SForm 4 →	Jan 15, 4:02 pm EST	Joseph DriscollChief Financial Officer	15,000	$20.51	$307,681	4,388	−77.4%	plan?
Jan 15, 2019 MForm 4 →	Jan 15, 4:02 pm EST	Joseph DriscollChief Financial Officer	15,000	$8.68	$130,200	19,388	—	plan?
Jan 9, 2019 MForm 4 →	Jan 11, 4:15 pm EST	Ernest OrticerioSVP Finance and Corporate Dev	20,000	$2.89	$57,800	48,802	—	plan?
Jan 3, 2019 SForm 4 →	Jan 4, 4:02 pm EST	E Kevin HrusovskyChairman, President & CEO, Director	1,949	$17.59	$34,277	1,161,350	−0.17%	plan?
Jan 2, 2019 AForm 4 →	Jan 4, 4:02 pm EST	Keith CrandellDirector, 10% Owner	2,270	—	—	4,540	—	plan?
Jan 2, 2019 AForm 4 →	Jan 4, 4:02 pm EST	David R WaltDirector	2,270	—	—	1,220,040	—	plan?
Jan 2, 2019 AForm 4 →	Jan 4, 4:02 pm EST	John M ConnollyDirector	2,270	—	—	7,240	—	plan?
Jan 2, 2019 AForm 4 →	Jan 4, 4:02 pm EST	Douglas G. ColeDirector	2,270	—	—	4,540	—	plan?
Jan 2, 2019 AForm 4 →	Jan 4, 4:02 pm EST	Paul M MeisterDirector	2,270	—	—	4,540	—	plan?
Jan 2, 2019 AForm 4 →	Jan 4, 4:02 pm EST	Martin D MadausDirector	2,270	—	—	4,540	—	plan?
Jan 2, 2019 AForm 4 →	Jan 4, 4:01 pm EST	Marijn E DekkersDirector	2,270	—	—	121,918	—	plan?
Dec 14, 2018 SForm 4 →	Dec 14, 4:14 pm EST	Ernest OrticerioSVP Finance and Corporate Dev	25,000	$19.49	$487,263	28,802	−46.5%	plan?
Dec 13, 2018 SForm 4 →	Dec 14, 4:14 pm EST	Joseph DriscollChief Financial Officer	20,000	$19.21	$384,214	4,388	−82.0%	plan?
Dec 13, 2018 MForm 4 →	Dec 14, 4:14 pm EST	Joseph DriscollChief Financial Officer	20,000	$8.68	$173,600	24,388	—	plan?
Dec 4, 2018 PForm 4 →	Dec 7, 4:15 pm EST	John M ConnollyDirector	2,700	$18.38	$49,626	4,970	+119%	plan?
Dec 3, 2018 SForm 4 →	Dec 6, 4:09 pm EST	Joseph DriscollChief Financial Officer	20,000	$18.47	$369,354	4,388	−82.0%	plan?
Dec 3, 2018 MForm 4 →	Dec 6, 4:09 pm EST	Joseph DriscollChief Financial Officer	20,000	$8.68	$173,600	24,388	—	plan?
Dec 3, 2018 SForm 4 →	Dec 3, 5:34 pm EST	E Kevin HrusovskyChairman, President & CEO, Director	2,940	$18.46	$54,258	1,163,299	−0.25%	plan?
Nov 28, 2018 SForm 4 →	Nov 30, 4:05 pm EST	Joseph DriscollChief Financial Officer	20,000	$17.80	$356,050	4,388	−82.0%	plan?
Nov 28, 2018 MForm 4 →	Nov 30, 4:05 pm EST	Joseph DriscollChief Financial Officer	20,000	$8.68	$173,600	24,388	—	plan?
Nov 16, 2018 SForm 4 →	Nov 20, 4:00 pm EST	E Kevin HrusovskyChairman, President & CEO, Director	4,000	$16.67	$66,679	1,166,239	−0.34%	plan?
Nov 15, 2018 SForm 4 →	Nov 16, 4:11 pm EST	Joseph DriscollChief Financial Officer	25,000	$16.60	$415,000	4,388	−85.1%	plan?
Nov 15, 2018 MForm 4 →	Nov 16, 4:11 pm EST	Joseph DriscollChief Financial Officer	25,000	$8.68	$217,000	29,388	—	plan?
Nov 12, 2018 AForm 4 →	Nov 14, 4:35 pm EST	Jackson StreeterSVP, Corp Dev & Strategy	28,441	—	—	28,441	—	plan?
Nov 8, 2018 SForm 4 →	Nov 13, 4:30 pm EST	Joseph DriscollChief Financial Officer	2,337	$17.36	$40,570	4,388	−34.8%	plan? late
Nov 8, 2018 MForm 4 →	Nov 13, 4:30 pm EST	Joseph DriscollChief Financial Officer	2,337	$8.68	$20,285	6,725	—	plan? late
Nov 8, 2018 SForm 4 →	Nov 8, 4:12 pm EST	Ernest OrticerioSVP Finance and Corporate Dev	10,000	$17.55	$175,536	53,802	−15.7%	plan?
Nov 8, 2018 MForm 4 →	Nov 8, 4:12 pm EST	Ernest OrticerioSVP Finance and Corporate Dev	10,000	$2.79	$27,881	62,132	—	plan?
Nov 5, 2018 SForm 4 →	Nov 7, 6:18 pm EST	Ernest OrticerioSVP Finance and Corporate Dev	20,000	$16.82	$336,470	53,802	−27.1%	plan?
Nov 5, 2018 MForm 4 →	Nov 7, 6:18 pm EST	Ernest OrticerioSVP Finance and Corporate Dev	20,000	$2.28	$45,600	62,631	—	plan?
Nov 1, 2018 SForm 4 →	Nov 5, 5:30 pm EST	E Kevin HrusovskyChairman, President & CEO, Director	2,829	$17.97	$50,843	1,170,239	−0.24%	plan?
Oct 31, 2018 MForm 4 →	Oct 31, 7:44 pm EDT	David C. DuffySVP R&D and CTO	3,214	$2.13	$6,854	39,812	—	plan?
Oct 2, 2018 SForm 4 →	Oct 3, 4:01 pm EDT	E Kevin HrusovskyChairman, President & CEO, Director	2,995	$20.91	$62,610	1,173,068	−0.25%	plan?
Sep 5, 2018 SForm 4 →	Sep 7, 4:22 pm EDT	E Kevin HrusovskyChairman, President & CEO, Director	17,909	$14.53	$260,243	1,176,063	−1.50%	plan?
Aug 7, 2018 AForm 4 →	Aug 9, 8:12 pm EDT	E Kevin HrusovskyChairman, President & CEO, Director	300,000	—	—	1,193,972	—	plan?
Aug 7, 2018 AForm 4 →	Aug 9, 8:12 pm EDT	Martin D MadausDirector	2,270	—	—	2,270	—	plan?
Aug 7, 2018 AForm 4 →	Aug 9, 8:12 pm EDT	David R WaltDirector	2,270	—	—	1,217,770	—	plan?
Aug 7, 2018 AForm 4 →	Aug 9, 8:12 pm EDT	Paul M MeisterDirector	2,270	—	—	2,270	—	plan?
Aug 7, 2018 AForm 4 →	Aug 9, 8:12 pm EDT	Douglas G. ColeDirector	2,270	—	—	2,270	—	plan?
Aug 7, 2018 AForm 4 →	Aug 9, 8:12 pm EDT	Marijn E DekkersDirector	2,270	—	—	119,648	—	plan?
Aug 7, 2018 AForm 4 →	Aug 9, 8:12 pm EDT	Keith CrandellDirector, 10% Owner	2,270	—	—	2,270	—	plan?
Aug 7, 2018 AForm 4 →	Aug 9, 8:11 pm EDT	John M ConnollyDirector	2,270	—	—	2,270	—	plan?
Jun 5, 2018 SForm 4 →	Jun 5, 4:15 pm EDT	Ernest OrticerioSVP Finance and Corporate Dev	25,000	$17.15	$428,633	53,802	−31.7%	plan?
Jun 5, 2018 MForm 4 →	Jun 5, 4:15 pm EDT	Ernest OrticerioSVP Finance and Corporate Dev	25,000	$2.28	$57,000	78,802	—	plan?
May 10, 2018 AForm 4/A →	Feb 27, 2019, 4:05 pm EST	Dawn MattoonSr VP, Stgc Mrktg & Assay Tech	7,680	—	—	17,680	—	plan?
May 10, 2018 AForm 4 →	May 14, 9:01 pm EDT	Dawn MattoonSr VP, Stgc Mrktg & Assay Tech	7,680	—	—	7,680	—	plan? amended
May 10, 2018 AForm 4 →	May 14, 9:00 pm EDT	David C. DuffySVP R&D and CTO	5,485	—	—	36,598	—	plan?
May 10, 2018 AForm 4 →	May 14, 9:00 pm EDT	Bruce J BalVP of Ops, Service and Quality	5,485	—	—	5,485	—	plan?
May 10, 2018 AForm 4 →	May 14, 9:00 pm EDT	Mark T. RoskeySVP and GM Apps and Reagents	7,131	—	—	7,131	—	plan?
May 10, 2018 AForm 4 →	May 14, 9:00 pm EDT	Ernest OrticerioSVP Finance and Corporate Dev	7,131	—	—	53,802	—	plan?
May 10, 2018 AForm 4 →	May 14, 9:00 pm EDT	Joseph DriscollChief Financial Officer	4,388	—	—	4,388	—	plan?
Feb 23, 2018 AForm 4 →	Feb 27, 6:03 pm EST	Dawn MattoonSr VP, Stgc Mrktg & Assay Tech	10,000	—	—	10,000	—	plan?
Dec 13, 2017 MForm 4 →	Dec 18, 4:14 pm EST	Ernest OrticerioSVP Finance and Corporate Dev	46,671	$2.28	$106,410	46,671	—	plan? late
Dec 11, 2017 PForm 4/A →	Jul 13, 2018, 4:06 pm EDT	Marijn E DekkersDirector	40,000	$15.00	$600,000	117,378	+51.7%	plan?
Dec 11, 2017 CForm 4/A →	Jul 13, 2018, 4:06 pm EDT	Marijn E DekkersDirector	77,378	—	—	77,378	—	plan?
Dec 11, 2017 CForm 4 →	Dec 13, 4:26 pm EST	Flagship Ventures Fund 2004 L P +310% Owner	2,030,495	—	—	2,030,495	—	plan?
Dec 11, 2017 CForm 4 →	Dec 13, 4:26 pm EST	bioMerieux/ADR10% Owner	2,055,632	—	—	2,055,632	—	plan?
Dec 11, 2017 PForm 4 →	Dec 13, 4:25 pm EST	ARCH VENTURE FUND VI LP +610% Owner	266,000	$15.00	$3,990,000	1,537,684	+20.9%	plan?
Dec 11, 2017 CForm 4 →	Dec 13, 4:25 pm EST	ARCH VENTURE FUND VI LP +610% Owner	3,683,685	—	—	1,271,684	—	plan?
Dec 11, 2017 PForm 4 →	Dec 13, 4:24 pm EST	Keith CrandellDirector, 10% Owner	266,000	$15.00	$3,990,000	1,537,684	+20.9%	plan?
Dec 11, 2017 CForm 4 →	Dec 13, 4:24 pm EST	Keith CrandellDirector, 10% Owner	3,683,685	—	—	1,271,684	—	plan?
Dec 11, 2017 PForm 4 →	Dec 13, 4:24 pm EST	David R WaltDirector	200,000	$15.00	$3,000,000	1,215,500	+19.7%	plan?
Dec 11, 2017 CForm 4 →	Dec 13, 4:24 pm EST	David R WaltDirector	618,799	—	—	1,015,500	—	plan?
Dec 11, 2017 CForm 4 →	Dec 13, 4:23 pm EST	Marijn E DekkersDirector	77,378	—	—	77,378	—	plan? amended
Dec 11, 2017 PForm 4 →	Dec 13, 4:22 pm EST	E Kevin HrusovskyEC, President & CEO, Director	34,000	$15.00	$510,000	893,972	+3.95%	plan?
Dec 11, 2017 CForm 4 →	Dec 11, 5:27 pm EST	BAIN CAPITAL VENTURE INVESTORS, LLC +810% Owner	2,136,085	—	—	2,136,085	—	plan?

Reported at this company — derivatives (options, RSUs, warrants)

Trade	Reported (ET)	Insider	Shares	Avg price	Total	Owned after	Δ stake	Flags
Sep 15, 2026 AForm 4 →	Sep 17, 5:03 pm EDT	James Edward Gute Jr.Chief Commercial Officer	260,315	—	—	260,315	—
Sep 15, 2026 MForm 4 →	Sep 16, 4:59 pm EDT	Michael Francis MillerChief Technology Officer	1,558	—	—	24,189	—
Aug 31, 2026 MForm 4 →	Sep 1, 4:07 pm EDT	Michael Francis MillerChief Technology Officer	159	—	—	0	—
Aug 19, 2026 MForm 4 →	Aug 20, 4:59 pm EDT	Jeffrey Thomas ElliottDirector	3,955	—	—	4,075	—
Aug 17, 2026 MForm 4 →	Aug 19, 6:37 am EDT	William P DonnellyDirector	2,802	—	—	0	—
Aug 15, 2026 MForm 4 →	Aug 17, 4:14 pm EDT	Michael Francis MillerChief Technology Officer	1,558	—	—	25,023	—
Jul 31, 2026 MForm 4 →	Aug 4, 4:45 pm EDT	Michael Francis MillerChief Technology Officer	130	—	—	159	—
Jul 15, 2026 MForm 4 →	Jul 16, 5:33 pm EDT	Michael Francis MillerChief Technology Officer	1,558	—	—	25,857	—
Jul 15, 2026 AForm 4 →	Jul 16, 5:31 pm EDT	Jason F. FaesslerChief Financial Officer	141,820	—	—	141,820	—
Jul 8, 2026 MForm 4 →	Jul 9, 5:20 pm EDT	Scott MendelDirector	8,073	—	—	16,391	—
Jul 8, 2026 MForm 4 →	Jul 9, 5:19 pm EDT	Goldman Myla LaiDirector	8,073	—	—	16,391	—
Jun 30, 2026 MForm 4 →	Jul 2, 4:01 pm EDT	Michael Francis MillerChief Technology Officer	130	—	—	289	—
Jun 15, 2026 MForm 4 →	Jun 23, 5:06 pm EDT	Vandana SriramChief Financial Officer	1,833	—	—	33,810	—	late
Jun 15, 2026 MForm 4 →	Jun 16, 4:05 pm EDT	Michael Francis MillerChief Technology Officer	1,558	—	—	26,691	—
Jan 15, 2019 MForm 4 →	Jan 15, 4:02 pm EST	Joseph DriscollChief Financial Officer	15,000	—	—	199,385	—
Jan 9, 2019 MForm 4 →	Jan 11, 4:15 pm EST	Ernest OrticerioSVP Finance and Corporate Dev	20,000	—	—	2,783	—
Jan 2, 2019 AForm 4 →	Jan 4, 4:02 pm EST	Keith CrandellDirector, 10% Owner	7,900	—	—	7,900	—
Jan 2, 2019 AForm 4 →	Jan 4, 4:02 pm EST	David R WaltDirector	7,900	—	—	7,900	—
Jan 2, 2019 AForm 4 →	Jan 4, 4:02 pm EST	John M ConnollyDirector	7,900	—	—	7,900	—
Jan 2, 2019 AForm 4 →	Jan 4, 4:02 pm EST	Douglas G. ColeDirector	7,900	—	—	7,900	—
Jan 2, 2019 AForm 4 →	Jan 4, 4:02 pm EST	Paul M MeisterDirector	7,900	—	—	7,900	—
Jan 2, 2019 AForm 4 →	Jan 4, 4:02 pm EST	Martin D MadausDirector	7,900	—	—	7,900	—
Jan 2, 2019 AForm 4 →	Jan 4, 4:01 pm EST	Marijn E DekkersDirector	7,900	—	—	7,900	—
Dec 13, 2018 MForm 4 →	Dec 14, 4:14 pm EST	Joseph DriscollChief Financial Officer	20,000	—	—	214,385	—
Dec 3, 2018 MForm 4 →	Dec 6, 4:09 pm EST	Joseph DriscollChief Financial Officer	20,000	—	—	234,385	—
Nov 28, 2018 MForm 4 →	Nov 30, 4:05 pm EST	Joseph DriscollChief Financial Officer	20,000	—	—	254,385	—
Nov 15, 2018 MForm 4 →	Nov 16, 4:11 pm EST	Joseph DriscollChief Financial Officer	25,000	—	—	274,385	—
Nov 12, 2018 AForm 4 →	Nov 14, 4:35 pm EST	Jackson StreeterSVP, Corp Dev & Strategy	66,143	—	—	66,143	—
Nov 8, 2018 MForm 4 →	Nov 13, 4:30 pm EST	Joseph DriscollChief Financial Officer	2,337	—	—	299,385	—	late
Nov 8, 2018 MForm 4 →	Nov 8, 4:12 pm EST	Ernest OrticerioSVP Finance and Corporate Dev	10,000	—	—	22,783	—
Nov 5, 2018 MForm 4 →	Nov 7, 6:18 pm EST	Ernest OrticerioSVP Finance and Corporate Dev	20,000	—	—	1,670	—
Oct 31, 2018 MForm 4 →	Oct 31, 7:44 pm EDT	David C. DuffySVP R&D and CTO	3,214	—	—	14,202	—
Aug 7, 2018 AForm 4 →	Aug 9, 8:12 pm EDT	Martin D MadausDirector	7,900	—	—	7,900	—
Aug 7, 2018 AForm 4 →	Aug 9, 8:12 pm EDT	David R WaltDirector	7,900	—	—	7,900	—
Aug 7, 2018 AForm 4 →	Aug 9, 8:12 pm EDT	Paul M MeisterDirector	7,900	—	—	7,900	—
Aug 7, 2018 AForm 4 →	Aug 9, 8:12 pm EDT	Douglas G. ColeDirector	7,900	—	—	7,900	—
Aug 7, 2018 AForm 4 →	Aug 9, 8:12 pm EDT	Marijn E DekkersDirector	7,900	—	—	7,900	—
Aug 7, 2018 AForm 4 →	Aug 9, 8:12 pm EDT	Keith CrandellDirector, 10% Owner	7,900	—	—	7,900	—
Aug 7, 2018 AForm 4 →	Aug 9, 8:11 pm EDT	John M ConnollyDirector	7,900	—	—	7,900	—
Jun 5, 2018 MForm 4 →	Jun 5, 4:15 pm EDT	Ernest OrticerioSVP Finance and Corporate Dev	25,000	—	—	21,670	—
May 10, 2018 AForm 4 →	May 14, 9:01 pm EDT	Dawn MattoonSr VP, Stgc Mrktg & Assay Tech	26,181	—	—	26,181	—	amended
May 10, 2018 AForm 4 →	May 14, 9:00 pm EDT	David C. DuffySVP R&D and CTO	18,700	—	—	18,700	—
May 10, 2018 AForm 4 →	May 14, 9:00 pm EDT	Bruce J BalVP of Ops, Service and Quality	18,700	—	—	18,700	—
May 10, 2018 AForm 4 →	May 14, 9:00 pm EDT	Mark T. RoskeySVP and GM Apps and Reagents	24,311	—	—	24,311	—
May 10, 2018 AForm 4 →	May 14, 9:00 pm EDT	Ernest OrticerioSVP Finance and Corporate Dev	24,311	—	—	24,311	—
May 10, 2018 AForm 4 →	May 14, 9:00 pm EDT	Joseph DriscollChief Financial Officer	14,960	—	—	14,960	—
Feb 23, 2018 AForm 4 →	Feb 27, 6:03 pm EST	Dawn MattoonSr VP, Stgc Mrktg & Assay Tech	40,000	—	—	40,000	—
Dec 13, 2017 MForm 4 →	Dec 18, 4:14 pm EST	Ernest OrticerioSVP Finance and Corporate Dev	46,671	—	—	46,670	—	late
Dec 11, 2017 CForm 4/A →	Jul 13, 2018, 4:06 pm EDT	Marijn E DekkersDirector	248,694	—	—	0	—
Dec 11, 2017 CForm 4 →	Dec 13, 4:26 pm EST	Flagship Ventures Fund 2004 L P +310% Owner	6,526,014	—	—	0	—
Dec 11, 2017 CForm 4 →	Dec 13, 4:26 pm EST	bioMerieux/ADR10% Owner	6,606,804	—	—	0	—
Dec 11, 2017 CForm 4 →	Dec 13, 4:25 pm EST	ARCH VENTURE FUND VI LP +610% Owner	11,839,365	—	—	0	—
Dec 11, 2017 CForm 4 →	Dec 13, 4:23 pm EST	Marijn E DekkersDirector	248,694	—	—	0	—	amended
Dec 11, 2017 CForm 4 →	Dec 11, 5:27 pm EST	BAIN CAPITAL VENTURE INVESTORS, LLC +810% Owner	6,865,384	—	—	0	—
Nov 29, 2017 CXForm 4 →	Dec 13, 4:24 pm EST	David R WaltDirector	2,005,011	—	—	0	—	late
Nov 27, 2017 CSXForm 4 →	Dec 13, 4:24 pm EST	Keith CrandellDirector, 10% Owner	11,931,617	$4.28	$110,591	0	—	late
Aug 31, 2017 AForm 4 →	Dec 13, 4:23 pm EST	Joseph DriscollChief Financial Officer	10,976	—	—	10,976	—	late