InsidersTradesSigma
Total declarations
Companies
▲ Purchases (5 ops.)
▼ Sales (0 ops.)
Insider track record
Board DirectorDisclosed buys
5
Disclosed sells
0
T+90 hit rate
33%
T+90 mean return
-11.2%
Across 3 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the full record of transactions filed by Williams Donald Allen, Director. Officer active across 3 companies, notably Alphatec Holdings, Inc.. Aggregated, 9 filings have been published. Split: 5 buys · 0 sell. Total volume traded: €36k. Activity tracked since 16 June 2021. The latest transaction was disclosed on 16 January 2026 (Acquisition). Regulator: SEC (Form 4). All data is free.
Companies and markets linked to Williams Donald Allen
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations9 total
5,000 shares@ US$1.671220.2% of flowCommon StockSEC:0001493152-26-003078:0
Canonical exit: 16 Apr 2026 (T+90)
5,000 shares@ US$1.8822.6% of flowCommon StockSEC:0001493152-26-002107:0
Canonical exit: 9 Apr 2026 (T+90)
388 shares0Comon Stock, par value $0.01SEC:0001493152-24-047363:0
340 shares0Comon Stock, par value $0.01SEC:0001493152-24-023612:0
1,000 shares@ US$4.86322.0% of flowComon Stock, par value $0.01SEC:0001493152-24-021777:0
Canonical exit: 26 Aug 2024 (T+90)
10,000 shares@ US$0.60527.4% of flowCommon Stock, par value $0.01SEC:0001493152-24-004565:0
Canonical exit: 30 Apr 2024 (T+90)
20,000 shares@ US$0.54100.0% of flowCommon Stock, par value $0.01SEC:0001493152-23-034756:0
Canonical exit: 26 Dec 2023 (T+90)
59,405 shares@ US$1.01100.0% of flowCommon StockSEC:0001209191-23-044285:0
10,221 shares0Common StockSEC:0001179110-21-006874:0
9 of 9 declarations
About Williams Donald Allen
Williams Donald Allen is Administrateur and files transactions linked to Palisade Bio, INC., Forte Biosciences, Inc. and Alphatec Holdings, Inc. He has 9 filings in total, and among the recent filings tracked, purchases amount to EUR 35602 and sales to EUR 0, over the period from 2021-06-21 to 2026-01-21, with the dominant transaction nature listed as Acquisition.
