Super Micro Computer Inc. (SMCI) — Insider Trading

Name: Insider Trading Super Micro Computer Inc. (SMCI) — September 2026
Creator: WhaleSentiment

Sector: Technology • All Insider Transactions

🔄 Last update: 09/19/2026 at 14:10 UTC

Sales (90d)

$15.4M

6 transactions

Buys (90d)

0 transactions

WhaleSentiment Score ℹ️

⚪ +0

Neutro

Form 144 Filings

Upcoming sale notices

Stock Price SMCI 📉

SMCI stock price — last 6 months

Last Price

$39.09

18/09/2026 (market close)

Daily Change

-1.26 (-3.12%)

6-Month Performance

+27.0%

$30.79 → $39.09

6M High / 6M Low

$50.17

Min: $20.53

▲ = insider buy (0), ▼ = insider sell (6)

Data from Yahoo Finance, 15-min delay. Last update: 18/09/2026 (market close).

All Insider Transactions SMCI — 2026

Insider Transactions

Date	Insider	Role	Type	Shares	Price	Value
09/04/2026	Liang Charles	President and CEO	Sale	100,000	$40.00	$4.0M
09/04/2026	Liu Liang Chiu-Chu Sara	Director	Sale	100,000	$40.00	$4.0M
09/03/2026	Liang Charles	President and CEO	Sale	42,565	$36.60	$1.6M
09/03/2026	Liang Charles	President and CEO	Sale	57,435	$37.62	$2.2M
09/03/2026	Liu Liang Chiu-Chu Sara	Director	Sale	42,565	$36.60	$1.6M
09/03/2026	Liu Liang Chiu-Chu Sara	Director	Sale	57,435	$37.62	$2.2M
08/27/2026	WEIGAND DAVID E	SVP, Chief Financial Officer	Award	24,093	—	—
08/27/2026	Malyala Vikranth	SVP, Chief Business Officer	Award	8,060	—	—
08/27/2026	Xiao Jin	Sr. Corporate VP, Engineering	Award	2,112	—	—
08/17/2026	Xiao Jin	Sr. Corporate VP, Engineering	Exercise	4,000	—	—
08/17/2026	Xiao Jin	Sr. Corporate VP, Engineering	Tax	1,436	$38.28	$0.05M
08/17/2026	Xiao Jin	Sr. Corporate VP, Engineering	Exercise	4,000	—	—
08/17/2026	WEIGAND DAVID E	SVP, Chief Financial Officer	Exercise	6,500	—	—
08/17/2026	WEIGAND DAVID E	SVP, Chief Financial Officer	Tax	3,308	$38.28	$0.1M
08/17/2026	WEIGAND DAVID E	SVP, Chief Financial Officer	Exercise	6,500	—	—
08/17/2026	Thauberger Matthew	Chief Revenue Officer	Exercise	2,250	—	—
08/17/2026	Thauberger Matthew	Chief Revenue Officer	Tax	1,145	$38.28	$0.04M
08/17/2026	Thauberger Matthew	Chief Revenue Officer	Exercise	2,250	—	—
08/17/2026	Malyala Vikranth	SVP, Chief Business Officer	Exercise	6,000	—	—
08/17/2026	Malyala Vikranth	SVP, Chief Business Officer	Tax	3,053	$38.28	$0.1M
08/17/2026	Malyala Vikranth	SVP, Chief Business Officer	Exercise	6,000	—	—
08/17/2026	Liang Charles	President and CEO	Exercise	3,650	—	—
08/17/2026	Liang Charles	President and CEO	Tax	1,970	$38.28	$0.08M
08/17/2026	Liang Charles	President and CEO	Exercise	3,650	—	—
08/17/2026	Liu Liang Chiu-Chu Sara	Director	Exercise	3,650	—	—
08/17/2026	Liu Liang Chiu-Chu Sara	Director	Tax	1,970	$38.28	$0.08M
08/17/2026	Liu Liang Chiu-Chu Sara	Director	Exercise	3,650	—	—
08/17/2026	Cheung Kenneth	SVP, Chief Accounting Officer	Exercise	2,250	—	—
08/17/2026	Cheung Kenneth	SVP, Chief Accounting Officer	Tax	808	$38.28	$0.03M
08/17/2026	Cheung Kenneth	SVP, Chief Accounting Officer	Exercise	2,250	—	—
08/14/2026	Thauberger Matthew	Chief Revenue Officer	Award	9,872	—	—
08/14/2026	Thauberger Matthew	Chief Revenue Officer	Award	21,938	—	—
08/14/2026	LIU TALLY C	Director	Award	3,941	—	—
08/14/2026	LIU TALLY C	Director	Award	5,062	—	—
08/14/2026	TUAN SHERMAN	Director	Award	10,125	—	—

Holdings Summary

Insider	Role	Shares Held	Last Transaction
Liang Charles	President and CEO	437,506	09/04/2026
Liu Liang Chiu-Chu Sara	Director	437,506	09/04/2026
Cheung Kenneth	SVP, Chief Accounting Officer	64,580	08/17/2026
WEIGAND DAVID E	SVP, Chief Financial Officer	24,093	08/27/2026
TUAN SHERMAN	Director	10,125	08/14/2026
Malyala Vikranth	SVP, Chief Business Officer	8,060	08/27/2026
Thauberger Matthew	Chief Revenue Officer	7,632	08/17/2026
LIU TALLY C	Director	3,941	08/14/2026
Xiao Jin	Sr. Corporate VP, Engineering	2,112	08/27/2026

⚠️ Form 144 — Upcoming Sale Notices

Form 144 is filed BEFORE the actual sale. It is an important leading indicator.

Filing Date	Type	SEC Link
09/04/2026	144	View Filing →
09/03/2026	144	View Filing →

Financial Context

Recent financial data from SEC filings (XBRL) to contextualize insider activity.

Revenue (latest quarter)

$678.2M

Period: 2017-06-30

Net Income

$2230M

Profit

Diluted EPS

$3.26

Per share

What is Insider Trading on Super Micro Computer Inc.?

Legal insider trading occurs when executives, directors, and major shareholders (>10%) of a public company buy or sell shares of their own company and report it to the SEC via Form 4.

How to Read the Data

Open market purchases (P) — the strongest signal. The insider uses their own money to buy shares.

Signals to Watch for SMCI

Cluster buying: multiple Super Micro Computer Inc. insiders buying in the same week → very bullish signal
Excessive selling: selling volume above historical average → possible concern signal
Form 144: filing of a sale notice → imminent sale in the coming days/weeks
10b5-1 Plan: pre-programmed sales are less significant than discretionary sales

Sources & References

All data on this page comes directly from public SEC filings.

📋 View all Form 4 filings on SEC EDGAR SMCI →

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⚠️ Disclaimer: WhaleSentiment provides public SEC data for informational and educational purposes only. It does not provide financial advice, investment recommendations, or solicitation to buy/sell financial instruments. Always consult a qualified financial advisor before making investment decisions.