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H. Stewart Parker

Board Director
Director
Sangamo Therapeutics, IncCodexis, Inc.Achieve Life Sciences, Inc.Impel Neuropharma IncArmata Pharmaceuticals, Inc.Neose Technologies Inc
Total declarations
35
Companies
6
▲ Purchases (9 ops.)
€107k
▼ Sales (0 ops.)
—

Latest filing published 16 Jun 2025 for Sangamo Therapeutics, INC.

Filing timeline

BuySale
H. Stewart Parker

Insider track record

Disclosed buys
9
Disclosed sells
0
Signal history

Closed purchases

Market purchases
9
Positive at T+90
100%
Median T+90
+191.0%

Based on 5 purchases whose 90-day window has closed (published at least 91 days ago), the same population our ranking model reads.

Purchases by company

Since each purchase

Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.

H. Stewart Parker: trading record in brief

H. Stewart Parker (board member) discloses dealings in 6 companies, chiefly Sangamo Therapeutics, Inc, Armata Pharmaceuticals, Inc. and Impel Neuropharma Inc. The record holds 35 filings, for trades running from 5 September 2006 to 12 June 2025.

On the market, this insider has only ever bought: 9 purchases, €107k in total. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. Other entries cover 15 share grants and 5 option exercises.

A typical purchase (the median) is worth €14k. For 5 purchases whose 90-day window has closed, the share price was higher on day 90 than the day after publication in 100% of cases, with a median move of +191.0%. They describe history only and say nothing certain about the share price ahead.

On 16 June 2025 came the latest disclosure, a share grant in Sangamo Therapeutics, Inc. The most recent open-market purchase was published on 3 June 2022, 1,620 days ago. Typically, a trade is published a median of 2 days after it takes place. For comparison, the SEC allows two business days to file a Form 4. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.

Companies and markets linked to H. Stewart Parker

Open company profiles for insider transactions, fundamentals and analyst consensus when available.

Declarations35 total

25 of 35 declarations