SEC Insider Transactions from Stalfort John A III.

Last updated: 2026-03-14 11:18 UTC | Total transactions: 12

Stalfort John A III has filed 12 insider transactions across 3 companies since June 2023.

Most recent transaction: a grant/award of 12800 shares of Acumen Pharmaceuticals, Inc. ($ABOS) on June 04, 2025.

Activity breakdown: 3 open-market purchases and 0 sales.

Set Up your own filters →
Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
June 4, 2025 Acumen Pharmaceuticals, Inc. $ABOS Stalfort John A III Director A Common Stock 12800 $0.00 185,124.0000 60,573,425 7.43% 0.02%
June 4, 2025 Acumen Pharmaceuticals, Inc. $ABOS Stalfort John A III Director A Stock Option (right to buy) 19500 $0.00 19,500.0000 60,573,425 9999.99% 0.03%
June 2, 2025 Taysha Gene Therapies, Inc. $TSHA Stalfort John A III Not found A Common Stock 56623 $0.00 2,039,514.0000 250,134,421 2.86% 0.02%
June 2, 2025 Taysha Gene Therapies, Inc. $TSHA Stalfort John A III Not found A Stock Option (right to buy) 113246 $0.00 113,246.0000 250,134,421 9999.99% 0.05%
Nov. 22, 2024 Verrica Pharmaceuticals Inc. $VRCA Stalfort John A III Not found P Series A Warrants (right to buy) 561797 $0.00 561,797.0000 0 9999.99% 0.00%
Nov. 26, 2024 Verrica Pharmaceuticals Inc. $VRCA Stalfort John A III Not found G Common Stock 50000 $0.00 1,873,800.0000 0 2.74% 0.00%
Nov. 22, 2024 Verrica Pharmaceuticals Inc. $VRCA Stalfort John A III Not found P Common Stock 1123595 $0.00 1,823,800.0000 0 160.47% 0.00%
Nov. 22, 2024 Verrica Pharmaceuticals Inc. $VRCA Stalfort John A III Not found P Series B Warrants (right to buy) 561797 $0.00 561,797.0000 0 9999.99% 0.00%
June 10, 2024 Acumen Pharmaceuticals, Inc. $ABOS Stalfort John A III Director A Stock Option (right to buy) 25000 $0.00 25,000.0000 0 9999.99% 0.00%
May 29, 2024 Taysha Gene Therapies, Inc. $TSHA Stalfort John A III Not found A Common Stock 49220 $0.00 1,982,891.0000 116,121,482 2.55% 0.04%
May 29, 2024 Taysha Gene Therapies, Inc. $TSHA Stalfort John A III Not found A Stock Option (right to buy) 98440 $0.00 98,440.0000 116,121,482 9999.99% 0.08%
June 6, 2023 Acumen Pharmaceuticals, Inc. $ABOS Stalfort John A III Director A Stock Option (right to buy) 25000 $0.00 25,000.0000 0 9999.99% 0.00%