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Companies
▲ Purchases (0 ops.)
▼ Sales (11 ops.)
Latest filing published 06 Feb 2026 for Protagonist Therapeutics, Inc, €141k. Read the official filing
Filing timeline
BuySaleWilliam D. Waddill
Insider track record
Disclosed buys
0
Disclosed sells
11
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
William D. Waddill: trading record in brief
William D. Waddill is a declared insider at 2 companies (senior executive); the most frequent names are Arrowhead Pharmaceuticals, Inc. and Protagonist Therapeutics, Inc. The record holds 24 filings, for trades running from 3 January 2022 to 6 February 2026.
The open-market record consists of 11 sales worth €1.5M, with no purchase. Outside the open market, there are 6 share grants and 7 option exercises.
The newest entry dates from 6 February 2026: an option exercise of €141k, in Protagonist Therapeutics, Inc. Typically, a trade is published a median of 2 days after it takes place. The legal deadline for a Form 4 is two business days after the transaction. Keep in mind that insiders sell for many reasons unrelated to the outlook, from tax bills to estate planning. 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 William D. Waddill
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations24 total
20,000 shares@ US$8.3111.0% of flowCommon StockSEC:0001104659-26-011575:0
2,695 shares0Common StockSEC:0001104659-26-001478:0
2,416 shares@ US$66.660.0013% mcap26.8% of flowCommon StockSEC:0001553338-25-000005:0
5,451 shares@ US$68.0116.9% of flowCommon StockSEC:0001553338-25-000005:1
500 shares@ US$68.531.6% of flowCommon StockSEC:0001553338-25-000005:2
7,819 shares0Common StockSEC:0001553338-25-000003:0
12,000 shares@ US$6.986.3% of flowCommon StockSEC:0001104659-25-099252:0
4,000 shares@ US$64.2520.3% of flowCommon StockSEC:0001104659-25-093046:0
4,000 shares@ US$59.2523.7% of flowCommon StockSEC:0001104659-25-085795:0
4,000 shares@ US$54.2530.5% of flowCommon StockSEC:0001104659-25-025535:0
5,130 shares0Common StockSEC:0001104659-25-001435:0
16,733 shares@ US$22.9919.6% of flowCommon StockSEC:0001628280-24-052271:0
3,748 shares@ US$21.904.2% of flowCommon StockSEC:0001628280-24-051925:0
8,000 shares@ US$12.8814.3% of flowCommon StockSEC:0001104659-24-099420:0
8,000 shares@ US$12.8814.5% of flowCommon StockSEC:0001104659-24-083039:0
8,000 shares@ US$12.8814.5% of flowCommon StockSEC:0001104659-24-070420:0
12,975 shares@ US$6.0911.2% of flowCommon StockSEC:0001104659-24-030157:0
2,634 shares@ US$37.814.8% of flowCommon StockSEC:0001628280-24-001424:0
1,300 shares@ US$38.592.4% of flowCommon StockSEC:0001628280-24-001424:1
14,987 shares@ US$25.4118.5% of flowCommon StockSEC:0001628280-23-041960:0
3,200 shares@ US$30.004.8% of flowCommon StockSEC:0001209191-23-003073:0
12,000 shares@ US$8.590.0018% mcap100.0% of flowCommon StockSEC:0001104659-22-056000:0
6,400 shares0Common StockSEC:0001209191-22-002597:0
2,100 shares@ US$64.230.0011% mcap23.2% of flowCommon StockSEC:0001209191-22-001331:0
24 of 24 declarations
