InsidersTradesSigma
Total declarations
Companies
▲ Purchases (2 ops.)
▼ Sales (1 ops.)
Insider track record
OtherDisclosed buys
2
Disclosed sells
1
T+90 hit rate
50%
T+90 mean return
-0.6%
Across 2 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Discover the full record of transactions filed by Morrison Briggs. Insider active across 4 companies, notably Syndax Pharmaceuticals Inc. In total, 24 reports have been published. Breakdown: 2 buys · 1 sell. Total volume traded: €518k. History available since 17 September 2021. The latest transaction was disclosed on 6 March 2026 (Acquisition). Regulator: SEC (Form 4). The full history is free.
Companies and markets linked to Morrison Briggs
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations24 total
15,527 sharesCommon StockSEC:0001628280-26-045786:0
20,000 shares@ US$13.403526.0% of flowCommon StockSEC:0001628280-26-016003:0
Canonical exit: 4 Jun 2026 (T+90)
30,000 shares@ US$7.56729.2% of flowCommon StockSEC:0001628280-25-042536:0
Canonical exit: 21 Dec 2025 (T+90)
16,025 shares0Common StockSEC:0001655759-25-000122:0
5,899 shares0Common StockSEC:0001655759-24-000083:0
17,000 shares0Common StockSEC:0001562180-24-001216:0
52,855 shares@ US$8.779.3% of flowCommon StockSEC:0001562180-23-006262:0
52,855 shares@ US$8.779.3% of flowCommon StockSEC:0001562180-23-005845:0
4,121 shares0Common StockSEC:0001655759-23-000065:0
24,582 shares@ US$6.383.2% of flowCommon StockSEC:0001562180-23-005057:0
52,855 shares@ US$6.386.8% of flowCommon StockSEC:0001562180-23-004032:0
52,855 shares@ US$6.386.8% of flowCommon StockSEC:0001562180-23-003521:0
52,854 shares@ US$6.387.0% of flowCommon StockSEC:0001562180-23-002770:0
12,175 sharesCommon StockSEC:0001104659-23-030746:0
52,854 shares@ US$6.386.9% of flowCommon StockSEC:0001562180-23-001117:0
114,339 shares@ US$10.9027.4% of flowCommon StockSEC:0001562180-22-006788:0
87,645 shares@ US$7.2013.9% of flowCommon StockSEC:0001562180-22-006706:0
62,292 shares@ US$7.209.4% of flowCommon StockSEC:0001562180-22-005475:0
16,188 shares@ US$16.0026.9% of flowCommon StockSEC:0001209191-22-024674:0
70,545 shares@ US$7.2034.7% of flowCommon StockSEC:0001562180-22-003383:0
6,000 shares@ US$17.43897.2% of flowCommon StockSEC:0001562180-22-003223:0
16,188 shares@ US$16.0025.4% of flowCommon StockSEC:0000899243-22-002557:0
35,156 shares@ US$10.9025.6% of flowCommon StockSEC:0001562180-21-007810:0
70,262 shares@ US$7.2032.5% of flowCommon StockSEC:0001562180-21-006038:0
24 of 24 declarations
About Morrison Briggs
Morrison Briggs is a declarant and a director of Syndax Pharmaceuticals Inc, Arvinas, INC. and Carisma Therapeutics Inc. He has 24 filings in total, and across the sampled recent filings from 2021-09-21 to 2026-06-26, the reported volumes are EUR 423298 in purchases and EUR 94500 in sales, with option exercise as the most frequent transaction type.
