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Insider · CIK 0001861134

Stephen Gunstream

ceopresidentofficerdirector

Files at TKNO (Alpha Teknova, Inc.). First filing Mar 9, 2026, latest Mar 9, 2026.

Stephen Gunstream files SEC Form 4 as CEO, president and director at TKNO (Alpha Teknova, Inc.). Since Mar 9, 2026, Stephen Gunstream has reported 1 open-market buy worth $56k and 0 open-market sells worth $0, the latest filed on Mar 9, 2026.

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

The newest scored trade: bought $56k of TKNO on Mar 6, 2026, filed Mar 9, 2026, scored 61 (notable). In the last 12 months: 1 buy worth $56k and 0 sells worth $0.

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
1 / 0
$56k bought, $0 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.

TKNO: Alpha Teknova, Inc.

TKNOOct 9, 2026 · close 8.84

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
61Notable
TKNObuy 2
Alpha Teknova, Inc.
$56k
26,000 shares
+11%+6% from low-70% from high

Transactions

Every row this insider has filed, 3 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Mar 6, 2026TKNO
Alpha Teknova, Inc.
POpen-market purchase
Common Stock
+26,000$2.15$56k269,497Mar 9, 2026
Feb 15, 2026TKNO
Alpha Teknova, Inc.
AGrant or award
Non-Qualified Stock Option (right to buy)derivative
+429,000$0.00$0429,000Mar 9, 2026
Feb 14, 2025TKNO
Alpha Teknova, Inc.
AGrant or award
Non-Qualified Stock Option (right to buy)derivative
+393,663$0.00$0393,663Jun 25, 2025

Questions about Stephen Gunstream

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

Is Stephen Gunstream buying or selling?

In the last 12 months Stephen Gunstream reported 1 open-market buy worth $56k and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $56k of TKNO on Mar 6, 2026. Grants, option exercises and tax withholding are not counted.

How did Stephen Gunstream's past buys perform?

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

Where does Stephen Gunstream file Form 4?

Stephen Gunstream has filed Form 4 at TKNO (Alpha Teknova, Inc.) as President and CEO. 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.

Stephen Gunstream: insider trades and track record | InsiderTell