HARPER MICHAEL S

Insider

Chief Product, Engineering and Marketing Officer

Trades at: ZSPC

30D 90D 1Y

Net shares · 365d

-20.2K

0 buy · 20.2K sell

Net value · 365d

-$18.5K

$0 in · $18.5K out

Sentiment · 365d

Net selling

0% buying · 100% selling

Open-market trades · 365d

0 buy · 20.2K sell

Trading track record · all companies

Running net of open-market buys − sells across every company. Tap the line or a marker for details. ▲ buy · ▼ sell.

Transactions · 365d

Open-market Buys Sells All types

ZSPC Sell·S
Apr 7, 26

Chief Product, Engineering an…

$561

7.6K sh · $0.07

Own -14%
ZSPC Sell·S
Jan 6, 26

See remarks

$2.4K

4.5K sh · $0.52

Own -11%
ZSPC Sell·S
Oct 6, 25

See remarks

$3.7K

3.7K sh · $0.99

Own -13%
ZSPC Sell·S
Jul 14, 25

See remarks

$11.9K

4.3K sh · $2.77 avg · 2 lots

Own -25%

Date▾	Ticker	Role	Type	Shares	Own Δ	Price	Value
Apr 7, 2026	ZSPC	Chief Product, Engineering and Marketing Officer	Sell S	7.6K	-14%	$0.07	$561
Jan 6, 2026	ZSPC	See remarks	Sell S	4.5K	-11%	$0.52	$2.4K
Oct 6, 2025	ZSPC	See remarks	Sell S	3.7K	-13%	$0.99	$3.7K
Jul 14, 2025	ZSPC	See remarks	Sell S	4.3K2 lots	-25%	$2.77 avg	$11.9K

Buy Sell Non-market (grant · exercise · gift)

About HARPER MICHAEL S

This profile aggregates every SEC Form 4 insider transaction reported by HARPER MICHAEL S across all companies they trade. Open-market purchases (code P) and sales (code S) are the highest-signal, discretionary trades; grants (A), option exercises (M) and gifts (G) reflect compensation rather than conviction and carry no market price. Figures cover the selected period and update as new filings are ingested.