InsidersTradesSigma
Total declarations
Companies
▲ Purchases (3 ops.)
▼ Sales (0 ops.)
Insider track record
Board DirectorDisclosed buys
3
Disclosed sells
0
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Discover the complete record of transactions filed by Stalfort John A III, Director. Insider active across 4 companies, notably Acumen Pharmaceuticals, Inc.. Aggregated, 8 filings have been recorded. Split: 3 buys · 0 sell. Total volume traded: €809k. Activity tracked since 5 July 2022. The latest transaction was disclosed on 3 June 2026 (Attribution). Regulator: SEC (Form 4). All data is accessible without signup.
Companies and markets linked to Stalfort John A III
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations8 total
35,500 shares0Common StockSEC:0001628280-26-041273:0
12,800 shares0Common StockSEC:0001576885-25-000082:0
56,623 shares0Common StockSEC:0001415889-25-015574:0
1,123,595 sharesCommon StockSEC:0001415889-24-027710:0
Canonical exit: 20 Feb 2025 (T+90)
49,220 shares0Common StockSEC:0001415889-24-015041:0
388,889 shares@ US$0.90100.0% of flowCommon StockSEC:0001209191-23-046152:0
Canonical exit: 14 Nov 2023 (T+90)
238,095 shares@ US$2.10100.0% of flowCommon StockSEC:0001209191-22-040591:0
Canonical exit: 3 Oct 2022 (T+90)
130,180 sharesCommon StockSEC:0001209191-21-046030:0
8 of 8 declarations
About Stalfort John A III
Stalfort John A III is Administrateur at Acumen Pharmaceuticals, Inc., Taysha Gene Therapies, Inc. and Verrica Pharmaceuticals Inc. Across 8 filings in total, the 8 sampled filings run from 2021-07-08 to 2026-06-05, with EUR 809282 of buys and EUR 0 of sells, and the modal transaction nature is Attribution.
