buyWeak

Christopher G Grosso bought $42k of INIS

director at INTERNATIONAL ISOTOPES INC. 1,410,000 shares at an average of $0.03, traded Nov 15, 2022, filed Dec 7, 2022.

Conviction score

Value

$42k

1,410,000 shares

Holdings after

10,911,129

+15% from before

From 52-week low

+33%

low $0.03, close $0.04

From 52-week high

-60%

high $0.10, as of Nov 15, 2022

Score components

Role
Director
+15
Trade size
$42k at market
+6
Relative to holdings
Holdings up 15%
+3
Price context
60% below the 52-week high
+8
Cluster
No other insider buying within 14 days
0
Repeat buying
First buy in 90 days
0
Track record
Too few past buys to judge (1 with prices)
0

What happened after comparable buys

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

INISOct 13, 2026 · close 0.05

Since filing Dec 7, 2022: +66.7%SPY +108.4% · excess -41.8%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001225208-22-012402, as filed. Open on EDGAR

Date	Transaction	Shares	Price	Value	Holdings after	Filed
Nov 15, 2022	POpen-market purchase Common Stockindirect: By Dianne Grosso Credit Shelter Trust	+1,410,000	$0.03	$42k	10,911,129	Dec 7, 2022

Related signals

Other insiders at INTERNATIONAL ISOTOPES INC and this insider’s other filings.

Score	Company	Insider	Value	Holdings	Filed
34Weak	INISbuy INTERNATIONAL ISOTOPES INC	Shahe Bagerdjian Pres. & CEO	$7,000 140,000 shares	+2%	May 27, 2025
25Weak	INISbuy INTERNATIONAL ISOTOPES INC	Shahe Bagerdjian Pres. & CEO	$8,850 177,000 shares	+2%	Mar 10, 2025
40Moderate	INISbuy 3 INTERNATIONAL ISOTOPES INC	Shahe Bagerdjian Pres. & CEO	$4,000 100,000 shares	+1%	Nov 22, 2024
40Moderate	INISbuy 3 INTERNATIONAL ISOTOPES INC	W Matthew Cox Chief Financial Officer	$3,000 90,000 shares	+11%	Nov 22, 2024
40Moderate	INISbuy 3 INTERNATIONAL ISOTOPES INC	Christopher G Grosso director	$12k 401,117 shares	+64%	Nov 18, 2024
33Weak	INISbuy INTERNATIONAL ISOTOPES INC	Christopher G Grosso director	$24k 800,000 shares	+2%	Sep 20, 2024
51Moderate	INISbuy 2 INTERNATIONAL ISOTOPES INC	Shahe Bagerdjian Pres. & CEO	$10k 250,000 shares	+3%	Jun 18, 2024
44Moderate	INISbuy 2 INTERNATIONAL ISOTOPES INC	W Matthew Cox Chief Financial Officer	$9,587 239,669 shares	+42%	Jun 18, 2024
59Moderate	INISbuy 2 INTERNATIONAL ISOTOPES INC	Shahe Bagerdjian Pres. & CEO	$25k 1,000,000 shares	+12%	Dec 15, 2023
48Moderate	INISbuy 2 INTERNATIONAL ISOTOPES INC	W Matthew Cox Chief Financial Officer	$6,250 250,000 shares	+87%	Dec 15, 2023

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.