Skip to content

Insider · CIK 0001279309

Thomas Braxton King

chairofficerdirector

Files at ACHV (ACHIEVE LIFE SCIENCES, INC.). First filing Sep 8, 2025, latest Sep 8, 2025.

Thomas Braxton King files SEC Form 4 as chair and director at ACHV (ACHIEVE LIFE SCIENCES, INC.). Since Sep 8, 2025, Thomas Braxton King has reported 0 open-market buys worth $0 and 1 open-market sell worth $387k, the latest filed on Sep 8, 2025.

A track record needs three past buys with six months of prices behind them; Thomas Braxton King has 0, so none is measured yet.

The newest scored trade: sold $387k of ACHV on Sep 4, 2025, filed Sep 8, 2025, scored 41 (moderate).

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 1
$0 bought, $387k sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

ACHV: ACHIEVE LIFE SCIENCES, INC.

ACHVOct 9, 2026 · close 7.41

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
41Moderate
ACHVsell 6
ACHIEVE LIFE SCIENCES, INC.
$387k
139,858 shares
-31%+41% from low-47% from high

Transactions

Every row this insider has filed, 6 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Sep 4, 2025ACHV
ACHIEVE LIFE SCIENCES, INC.
MOption exercise
Common Stock
+455,000$0.00$0455,000Sep 8, 2025
Sep 4, 2025ACHV
ACHIEVE LIFE SCIENCES, INC.
SOpen-market sale
Common Stock
-139,858$2.77$387k315,142Sep 8, 2025
Sep 4, 2025ACHV
ACHIEVE LIFE SCIENCES, INC.
MOption exercise
Performance Restricted Stock Unit (PRSU)derivative
-455,000$0.00$00Sep 8, 2025
Jun 6, 2025ACHV
ACHIEVE LIFE SCIENCES, INC.
AGrant or award
Stock Option (right to buy)derivative
+31,500$0.00$031,500Jun 10, 2025
Jan 13, 2025ACHV
ACHIEVE LIFE SCIENCES, INC.
AGrant or award
Performance Restricted Stock Unit (PRSU)derivative
+455,000$0.00$0455,000Jan 14, 2025
Jan 13, 2025ACHV
ACHIEVE LIFE SCIENCES, INC.
AGrant or award
Stock Option (right to buy)derivative
+195,000$0.00$0195,000Jan 14, 2025

Questions about Thomas Braxton King

Answered from the filings on this page, as of the latest one.

Is Thomas Braxton King buying or selling?

Not in the last 12 months. Thomas Braxton King's latest open-market trade on SEC Form 4 was sold $387k of ACHV on Sep 4, 2025.

How did Thomas Braxton King's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Thomas Braxton King has 0.

Where does Thomas Braxton King file Form 4?

Thomas Braxton King has filed Form 4 at ACHV (ACHIEVE LIFE SCIENCES, INC.) as Executive Chairman. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Thomas Braxton King: insider trades and track record | InsiderTell