Stocks
PRAX Praxis Precision Medicines, Inc.

PRAX

Praxis Precision Medicines, Inc.

Company with tickers: PRAX

CIK

1689548

CUSIP

74006W207

Shares Outstanding

27,850,833

Price Holdings Short Volume Short Interest Fails to Deliver SEC Filings Earnings Calls Insider Trading Congress Trades

Date	Insider	Role	Type	Shares	Price	Value	After
2026-02-06	Arbuckle Stuart A	EVP, COO	Award	688	—	—	688
2026-02-06	Arbuckle Stuart A	EVP, COO	Award	224	—	—	224
2026-02-06	KINDLER JEFFREY B	Director	Award	688	—	—	688
2026-02-06	KINDLER JEFFREY B	Director	Award	224	—	—	224
2026-01-12	Sniecinski Megan	Chief Business Officer	Tax	885	$275.74	$244,030	28,530
2026-01-12	Mastrocola Lauren	Principal Accounting Officer	Tax	344	$275.74	$94,855	13,445
2026-01-12	Nemiroff Alex	General Counsel and Secretary	Tax	768	$275.74	$211,768	25,932
2026-01-12	Kelly Timothy Edwin	Chief Financial Officer	Tax	943	$275.74	$260,023	31,046
2026-01-10	Sniecinski Megan	Chief Business Officer	Tax	1,087	$288.45	$313,545	29,415
2026-01-10	Kelly Timothy Edwin	Chief Financial Officer	Tax	1,335	$288.45	$385,081	31,989
2026-01-10	Souza Marcio	Chief Operating Officer	Tax	4,252	$288.45	$1,226,489	76,890
2026-01-10	Mastrocola Lauren	Principal Accounting Officer	Tax	367	$288.45	$105,861	13,789
2026-01-10	Nemiroff Alex	General Counsel and Secretary	Tax	917	$288.45	$264,509	26,700
2026-01-08	Sniecinski Megan	Chief Business Officer	Award	7,700	—	—	7,700
2026-01-08	Sniecinski Megan	Chief Business Officer	Award	9,625	—	—	30,502
2026-01-08	Kelly Timothy Edwin	Chief Financial Officer	Award	8,800	—	—	33,324
2026-01-08	Kelly Timothy Edwin	Chief Financial Officer	Award	7,040	—	—	7,040
2026-01-08	Souza Marcio	Chief Operating Officer	Other	2,600	—	—	2,600
2026-01-08	Souza Marcio	Chief Operating Officer	Award	27,640	—	—	81,142
2026-01-08	Souza Marcio	Chief Operating Officer	Award	22,110	—	—	22,110
2026-01-08	Mastrocola Lauren	Principal Accounting Officer	Award	7,500	—	—	7,500
2026-01-08	Mastrocola Lauren	Principal Accounting Officer	Award	3,750	—	—	14,156
2026-01-08	Nemiroff Alex	General Counsel and Secretary	Award	5,500	—	—	5,500
2026-01-08	Nemiroff Alex	General Counsel and Secretary	Award	6,875	—	—	27,617
2026-01-08	Arbuckle Stuart A	EVP, COO	Other	0	—	—	0
2026-01-08	KINDLER JEFFREY B	Director	Other	0	—	—	0
2026-01-07	Souza Marcio	Chief Operating Officer	Other	2,600	—	—	2,600
2026-01-07	Souza Marcio	Chief Operating Officer	Tax	405	$292.63	$118,515	53,502
2026-01-07	Mastrocola Lauren	Principal Accounting Officer	Tax	35	$292.63	$10,242	10,406
2026-01-07	Nemiroff Alex	General Counsel and Secretary	Tax	89	$292.63	$26,044	20,742
2026-01-07	Kelly Timothy Edwin	Chief Financial Officer	Tax	139	$292.63	$40,676	24,524
2026-01-01	Sniecinski Megan	Chief Business Officer	Other	0	—	—	0
2026-01-01	Sniecinski Megan	Chief Business Officer	Other	20,877	—	—	20,877
2025-12-30	Souza Marcio	Chief Operating Officer	Other	53,907	—	—	53,907
2025-12-30	Souza Marcio	Chief Operating Officer	Gift	400	—	—	2,600
2025-11-20	Nemiroff Alex	General Counsel and Secretary	Convert	1,714	$83.85	$143,719	22,545
2025-11-20	Nemiroff Alex	General Counsel and Secretary	Sell	1,714	$190.86	$327,139	44,247
2025-11-20	Nemiroff Alex	General Counsel and Secretary	Convert	1,714	—	—	0
2025-11-20	Mastrocola Lauren	Principal Accounting Officer	Sell	11,455	$191.96	$2,198,879	12,586
2025-11-20	Mastrocola Lauren	Principal Accounting Officer	Convert	1,047	$49.50	$51,827	11,488
2025-11-20	Mastrocola Lauren	Principal Accounting Officer	Convert	1,047	—	—	0
2025-11-14	Kelly Timothy Edwin	Chief Financial Officer	Award	384	$31.62	$12,142	24,663
2025-10-16	Adage Capital Management, L.P.	10% Owner	Sell	447	$91.04	$40,695	2,361,038
2025-10-16	Adage Capital Management, L.P.	10% Owner	Sell	12,600	$90.00	$1,134,032	2,361,485
2025-09-24	MITCHELL DEAN J	Director	Convert	1,932	$14.36	$27,744	6,932
2025-09-24	MITCHELL DEAN J	Director	Convert	1,932	—	—	0
2025-08-18	Adage Capital Management, L.P.	10% Owner	Other	2,374,085	—	—	2,374,085
2025-06-26	Cudkowicz Merit Ester	Director	Award	10,520	—	—	10,520
2025-06-26	Norden Gregory	Director	Award	10,520	—	—	10,520
2025-06-26	Chodakewitz Jeffrey	Director	Award	10,520	—	—	10,520
2025-06-26	MITCHELL DEAN J	Director	Award	10,520	—	—	10,520
2025-06-26	YOUNG WILLIAM D	Director	Award	10,520	—	—	10,520
2025-06-26	DeSimone Jill	Director	Award	10,520	—	—	10,520
2025-05-14	Souza Marcio	Chief Operating Officer	Other	3,000	—	—	3,000
2025-05-14	Souza Marcio	Chief Operating Officer	Award	348	$31.54	$10,974	53,907
2025-05-14	Kelly Timothy Edwin	Chief Financial Officer	Award	249	$31.54	$7,852	24,279
2025-02-12	Mastrocola Lauren	Principal Accounting Officer	Tax	40	$85.40	$3,416	10,441
2025-02-12	Souza Marcio	Chief Operating Officer	Other	3,000	—	—	3,000
2025-02-12	Souza Marcio	Chief Operating Officer	Tax	401	$85.40	$34,245	53,559
2025-02-12	Nemiroff Alex	General Counsel and Secretary	Tax	51	$85.40	$4,355	20,831
2025-01-12	Kelly Timothy Edwin	Chief Financial Officer	Tax	676	$63.15	$42,689	24,030
2025-01-12	Nemiroff Alex	General Counsel and Secretary	Tax	579	$63.15	$36,564	20,882
2025-01-12	Mastrocola Lauren	Principal Accounting Officer	Tax	390	$63.15	$24,629	10,481
2025-01-10	Kelly Timothy Edwin	Chief Financial Officer	Award	25,000	—	—	25,000
2025-01-10	Kelly Timothy Edwin	Chief Financial Officer	Award	12,500	—	—	24,706
2025-01-10	Nemiroff Alex	General Counsel and Secretary	Award	11,250	—	—	21,461
2025-01-10	Nemiroff Alex	General Counsel and Secretary	Award	22,500	—	—	22,500
2025-01-10	Mastrocola Lauren	Principal Accounting Officer	Award	10,000	—	—	10,000
2025-01-10	Mastrocola Lauren	Principal Accounting Officer	Award	5,000	—	—	10,871
2025-01-10	Souza Marcio	Chief Operating Officer	Award	75,000	—	—	75,000
2025-01-10	Souza Marcio	Chief Operating Officer	Award	37,500	—	—	53,960
2025-01-10	Souza Marcio	Chief Operating Officer	Other	3,000	—	—	3,000
2025-01-07	Nemiroff Alex	General Counsel and Secretary	Tax	89	$77.52	$6,899	10,211
2025-01-07	Kelly Timothy Edwin	Chief Financial Officer	Tax	139	$77.52	$10,775	12,206
2025-01-07	Souza Marcio	Chief Operating Officer	Tax	434	$77.52	$33,644	16,460
2025-01-07	Souza Marcio	Chief Operating Officer	Other	3,000	—	—	3,000
2025-01-07	Mastrocola Lauren	Principal Accounting Officer	Tax	35	$77.52	$2,713	5,871
2024-11-14	Mastrocola Lauren	Principal Accounting Officer	Award	294	$37.40	$10,996	5,906
2024-11-14	Kelly Timothy Edwin	Chief Financial Officer	Award	205	$37.40	$7,667	12,345
2024-11-14	Nemiroff Alex	General Counsel and Secretary	Sell	8,239	$80.20	$660,801	10,300
2024-11-14	Nemiroff Alex	General Counsel and Secretary	Convert	7,583	—	—	28,817
2024-11-14	Nemiroff Alex	General Counsel and Secretary	Convert	7,583	$56.94	$431,776	18,540
2024-11-14	Mastrocola Lauren	Principal Accounting Officer	Convert	4,374	—	—	16,626
2024-11-14	Mastrocola Lauren	Principal Accounting Officer	Convert	4,374	$56.94	$249,056	10,801
2024-11-14	Mastrocola Lauren	Principal Accounting Officer	Sell	5,188	$81.78	$424,290	5,612
2024-07-29	Mastrocola Lauren	Principal Accounting Officer	Award	21,000	—	—	21,000
2024-07-29	Mastrocola Lauren	Principal Accounting Officer	Award	4,500	—	—	6,427
2024-07-29	Kelly Timothy Edwin	Chief Financial Officer	Award	36,400	—	—	36,400
2024-07-29	Kelly Timothy Edwin	Chief Financial Officer	Award	7,800	—	—	12,140
2024-07-29	Nemiroff Alex	General Counsel and Secretary	Award	36,400	—	—	36,400
2024-07-29	Nemiroff Alex	General Counsel and Secretary	Award	7,800	—	—	10,957
2024-07-29	Souza Marcio	Chief Operating Officer	Award	185,000	—	—	185,000
2024-06-05	DeSimone Jill	Director	Award	8,566	—	—	8,566
2024-06-05	Chodakewitz Jeffrey	Director	Award	8,566	—	—	8,566
2024-06-05	MITCHELL DEAN J	Director	Award	8,566	—	—	8,566
2024-06-05	YOUNG WILLIAM D	Director	Award	8,566	—	—	8,566
2024-06-05	Norden Gregory	Director	Award	8,566	—	—	8,566
2024-06-05	Cudkowicz Merit Ester	Director	Award	8,566	—	—	8,566
2024-05-14	Kelly Timothy Edwin	Chief Financial Officer	Award	606	$12.37	$7,495	4,340
2024-05-14	Souza Marcio	Chief Operating Officer	Award	1,718	$12.37	$21,248	16,894