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AAOI · Applied Optoelectronics, Inc.
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AAOI Applied Optoelectronics (AAOI) Insider Trading, Ownership & Congress Trades

Semiconductors & Electronics · Semiconductors & related devices · CIK 0001158114
Quote by TradingView
Form 144 · 7
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
313
13F, latest reported quarter

What the filings say about AAOI

Insiders, 180 days
-$94.6M net sold
7 sellers · 14% of sales under a 10b5-1 plan
Planned sales (Form 144), 90 days
$7.2M
7 notices

Applied Optoelectronics insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and conversions excluded.

Over the last 180 days, APPLIED OPTOELECTRONICS, INC. insiders sold a net $94.6M of stock across 132 Form 4 purchases and sales, with no insider buying. Source: SEC Form 4 filings, as of 2026-10-27.

Insider
Filed
Shares
Value
Since filing
Murry Stefan J.
Chief Financial Officer
SELL
2026-10-14 SECtraded 2026-10-12
4,000
$411.5K
-14.1%
Context
  • 38 earlier Form 4 trades (code P or S) here by this insider (38 sales), the last on Sep 10, 2026.
  • The trade is 1.1% of the 363,168 shares held after it.
  • 1 other insider sold within 30 days.
  • 313 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Financial Officer Murry Stefan J. sold about $411.5K of AAOI under a 10b5-1 plan on Oct 12, 2026; 1 other insider sold within 30 days and 313 funds added in the latest 13F quarter.
Yeh Shu-Hua (Joshua)
*** See Remarks
SELL
2026-10-07 SECtraded 2026-10-05
6,000
$720.2K
-32.1%
Context
  • 12 earlier Form 4 trades (code P or S) here by this insider (12 sales), the last on Aug 18, 2026.
  • The trade is 1.6% of the 371,498 shares held after it.
  • 2 other insiders sold within 30 days.
  • 313 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: *** See Remarks Yeh Shu-Hua (Joshua) sold about $720.2K of AAOI under a 10b5-1 plan on Oct 5, 2026; 2 other insiders sold within 30 days and 313 funds added in the latest 13F quarter.
Murry Stefan J.
Chief Financial Officer
SELL
2026-09-10 SEC
4,000
$421.3K
-31.7%
Context
  • 37 earlier Form 4 trades (code P or S) here by this insider (37 sales), the last on Aug 10, 2026.
  • The trade is 1.1% of the 367,168 shares held after it.
  • 2 other insiders sold within 30 days.
  • 313 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Financial Officer Murry Stefan J. sold about $421.3K of AAOI under a 10b5-1 plan on Sep 10, 2026; 2 other insiders sold within 30 days and 313 funds added in the latest 13F quarter.
Chang Hung-Lun (Fred)
*** See Remarks
SELL
2026-09-10 SECtraded 2026-09-08
32,172
$3.5M
-31.7%
Context
  • 14 earlier Form 4 trades (code P or S) here by this insider (14 sales), the last on Jun 17, 2026.
  • The trade is 12.9% of the 249,276 shares held after it.
  • 2 other insiders sold within 30 days.
  • 313 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: *** See Remarks Chang Hung-Lun (Fred) sold about $3.5M of AAOI on Sep 8, 2026; 2 other insiders sold within 30 days and 313 funds added in the latest 13F quarter.
Yeh Shu-Hua (Joshua)
*** See Remarks
SELL
2026-08-20 SECtraded 2026-08-18
6,000
$886.4K
-42.4%
Context
  • 11 earlier Form 4 trades (code P or S) here by this insider (11 sales), the last on Aug 4, 2026.
  • The trade is 1.6% of the 377,498 shares held after it.
  • 2 other insiders sold within 30 days.
  • 313 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: *** See Remarks Yeh Shu-Hua (Joshua) sold about $886.4K of AAOI under a 10b5-1 plan on Aug 18, 2026; 2 other insiders sold within 30 days and 313 funds added in the latest 13F quarter.
132 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
See all insider buying · insider selling
Showing the latest few. to see 127 more transactions and use the screener and CSV export. We store only your email; there is no password.
Seven facts, ranked against the sector · Rank is not a forecast
Insiders
net -$94.6M over 180 days
-$7.2M over 90 days
below 87% of Semiconductors & Electronics
Congress
no House purchase disclosed in the last 12 months
Funds
313 funds bought in last quarter
more than 75% of Semiconductors & Electronics
Revenue
+82.8% year over year
more than 87% of Semiconductors & Electronics
Margin
-8.4% net margin
below 62% of Semiconductors & Electronics
Buybacks
no share repurchases reported
Short interest
17.1% of the float short (float per yahoo 2026-10-26) · 2.0 days to cover · settled 2026-09-30
more than 89% of Semiconductors & Electronics
What changed in the last 30 days
Oct 14Chief Financial Officer Murry Stefan J. sold $411.5K under a 10b5-1 plan (Oct 12)
Why it matters
A 10b5-1 plan schedules trades months ahead, so this says little about what the insider thinks today.
Oct 13Officer Murry Stefan J. filed to sell $411.5K by Oct 12 (Form 144)
Why it matters
A Form 144 is a notice of intent to sell; the sale may not happen, and it says nothing about the price.
Oct 7*** See Remarks Yeh Shu-Hua (Joshua) sold $720.2K under a 10b5-1 plan (Oct 5)
Why it matters
A 10b5-1 plan schedules trades months ahead, so this says little about what the insider thinks today.
Oct 5Officer Yeh Shu-Hua (Joshua) filed to sell $720.2K by Oct 5 (Form 144)
Why it matters
A Form 144 is a notice of intent to sell; the sale may not happen, and it says nothing about the price.

Watch AAOI

A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.

The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
+140.0%12M
-35%+191%+418%+644%2025-102025-122026-022026-042026-062026-082026-10 2026-05-26 · DeLaney Cynthia sold $10.7M2026-05-19 · Lin Chih-Hsiang (Thompson) sold $10.0M2026-06-12 · Lin Chih-Hsiang (Thompson) sold $9.8M2026-03-03 · Loboa Elizabeth G sold $9.8M2026-06-17 · Chang Hung-Lun (Fred) sold $6.9M2026-05-19 · Yeh Shu-Hua (Joshua) sold $6.8M2026-05-19 · Chang Hung-Lun (Fred) sold $5.8M2026-05-19 · Murry Stefan J. sold $5.7M2026-06-12 · Chang Hung-Lun (Fred) sold $5.7M2026-06-12 · Murry Stefan J. sold $5.5M2026-06-12 · Kuo David C sold $4.9M2026-03-09 · Yeh Shu-Hua (Joshua) sold $4.9M2026-06-12 · Yeh Shu-Hua (Joshua) sold $4.8M2026-03-16 · Chang Hung-Lun (Fred) sold $3.6M2026-09-08 · Chang Hung-Lun (Fred) sold $3.5M2026-05-19 · Kuo David C sold $3.3M2026-03-19 · Kuo David C sold $2.9M2026-03-04 · DeLaney Cynthia sold $2.1M2026-06-02 · Chen Min-Chu (Mike) sold $1.7M2026-03-09 · Yeh William H sold $1.6M2026-06-18 · Yeh Shu-Hua (Joshua) sold $1.0M2026-06-04 · Yeh Shu-Hua (Joshua) sold $1.0M2026-06-04 · Yeh Shu-Hua (Joshua) sold $1.0M2026-03-09 · Chen Min-Chu (Mike) sold $960.5K2026-08-18 · Yeh Shu-Hua (Joshua) sold $886.4K2026-02-11 · Kuo David C sold $876.3K2026-06-05 · Chang Hung-Lun (Fred) sold $800.3K2026-10-05 · Yeh Shu-Hua (Joshua) sold $720.2K2026-06-10 · Murry Stefan J. sold $685.8K2026-05-11 · Murry Stefan J. sold $638.1K2026-08-04 · Yeh Shu-Hua (Joshua) sold $596.4K2026-02-11 · Murry Stefan J. sold $587.6K2026-08-10 · Murry Stefan J. sold $579.2K2026-04-10 · Murry Stefan J. sold $546.0K2026-01-28 · Kuo David C sold $540.7K2025-12-23 · Kuo David C sold $501.9K2026-07-10 · Murry Stefan J. sold $488.4K2026-03-10 · Murry Stefan J. sold $451.0K2026-09-10 · Murry Stefan J. sold $421.3K2026-10-12 · Murry Stefan J. sold $411.5K2026-03-05 · BLACK RICHARD B sold $306.9K2026-02-20 · Murry Stefan J. sold $299.9K2026-10-13 · Murry Stefan J. filed to sell $411.5K2026-10-05 · Yeh Shu-Hua (Joshua) filed to sell $720.2K2026-09-10 · Murry Stefan J. filed to sell $421.3K2026-09-09 · Chang Hung-Lun (Fred) filed to sell $3.5M2026-08-18 · Yeh Shu-Hua (Joshua) filed to sell $886.4K2026-08-10 · Murry Stefan J. filed to sell $579.2K2026-08-04 · Yeh Shu-Hua (Joshua) filed to sell $596.2K2026-07-21 · Yeh Shu-Hua (Joshua) filed to sell $154.2K2026-07-09 · Murry Stefan J. filed to sell $492.0K2026-06-18 · Yeh Shu-Hua (Joshua) filed to sell $1.0M
Insider sellForm 144 (planned sale)
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns AAOI: institutional holders (13F)

13F holdings, latest reported quarter
BlackRock, Inc.
6,450,270 sh
$955.7M
Invesco Ltd.
3,414,262 sh
$505.9M
VANGUARD CAPITAL MANAGEMENT LLC
3,363,001 sh
$498.3M
Marex Group Ltd
2,830,272 sh
$419.3M
VANGUARD PORTFOLIO MANAGEMENT LLC
2,651,718 sh
$392.9M

Congress trades in AAOI

No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.

Activist and 5% holders (13D/13G)

No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.

AAOI planned insider sales (Form 144)

Notice of intent to sell, filed before any sale
Murry Stefan J.
Filed 2026-10-13
$411.5K
Yeh Shu-Hua (Joshua)
Filed 2026-10-05
$720.2K
Murry Stefan J.
Filed 2026-09-10
$421.3K
Chang Hung-Lun (Fred)
Filed 2026-09-09
$3.5M
Yeh Shu-Hua (Joshua)
Filed 2026-08-18
$886.4K

AAOI mutual fund holders (N-PORT)

Funds ranked by the share of their own portfolio in this stock (N-PORT).
Roundhill Meme Stock ETF
$2.3M position · as of 2026-06-30
9.4%
Oberweis Small-Cap Opportunities Fund
$158.7M position · as of 2026-06-30
5.6%
Oberweis Micro-Cap Fund
$78.3M position · as of 2026-06-30
4.9%
State Street(R) SPDR(R) FactSet Innovative Technology ETF
$3.0M position · as of 2026-06-30
4.4%
Tuttle Capital Pure Play Photonics ETF
$6.0M position · as of 2026-06-30
3.6%
Oberweis Global Opportunities Fund
$2.3M position · as of 2026-06-30
3.1%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M · % is the share of the fund's own portfolio
Executive pay vs shareholder return · Chih-Hsiang (Thompson) Lin
CEO pay, headline and as actually paid, against the company's return and its chosen peers' (DEF 14A).
FY
CEO total
Actually paid
Other execs, avg
TSR
Peer TSR
2023
$6.0M
$38.4M
$1.9M
+63%
+79%
2022
$2.2M
$457.0K
$811.5K
-84%
+78%
2021
$3.7M
$2.7M
$1.3M
-57%
+115%
2020
$2.5M
$2.2M
$900.0K
-28%
+43%
Tagged by the company under SEC Item 402(v). Returns are cumulative from the start of the disclosure period. Green where the company beat its own peer group.
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
Insiders have filed to sell, before selling.
The record shows a net $94.6M sold by insiders over 180 days, 313 funds added last quarter, $7.2M in planned Form 144 sales. Each figure is a federal filing, dated the day it went public.
Backtest this pattern Open the screener
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AAOI financials

Revenue growth
+82.8%
XBRL, annual
Net margin
-8.4%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$596.0M
four quarters, 2025-07-01 to 2026-06-30
Net margin, TTM
-9.6%
net income over revenue, 2025-07-01 to 2026-06-30
Free cash flow, TTM
-$592.2M
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Debt to equity
0.04x
long-term 2026-06-30 plus current 2026-06-30; equity 2026-06-30
Cash flow to debt
-2.24x
TTM operating cash flow over long-term 2026-06-30 plus current 2026-06-30
Return on equity
-5.4%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on assets
-3.7%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on invested capital
n/a
pre-tax loss, no effective tax rate to apply
Return on capital employed
-5.5%
operating income (EBIT proxy) over average of 2025-06-30 and 2026-06-30 minus current liabilities
P/E, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
Enterprise value
$5.6B
market value at close 2026-10-26 on 2026-08-03 shares, plus long-term 2026-06-30 plus current 2026-06-30, minus cash 2026-06-30
FCF yield
-9.7%
TTM free cash flow over market value at close 2026-10-26
PEG, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
Price as of 2026-10-26. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
2025-122024-122023-122022-12
Revenue$455.7M$249.4M$217.6M$222.8M
Gross profit$136.9M$61.8M$58.9M$33.6M
Operating income-$54.6M-$70.9M-$41.3M-$59.0M
Net income-$38.2M-$186.7M-$56.0M-$66.4M
EPS (diluted)-0.64-4.50-1.75-2.38
Operating cash flow-$174.4M-$69.5M-$7.9M-$14.0M
Cash$206.1M$67.4M$45.4M$24.7M
Long-term debt$0$4.3M$0$0
SEC XBRL, fiscal years, as known on 2026-10-27

AAOI Stock Sonar score 6/7 axes

Find similar shapesCompare

AAOI ranks highest on growth (87th percentile) and institutional and government (67th), and lowest on insider conviction (7th), among Semiconductors & Electronics peers.

ProfitHealthGrowthInsidersInstitutionsRisk
Profitability
36
Inputs
  • Return on equity-5.4% · 35 pct, sector of 154
  • Return on assets-3.7% · 38 pct, sector of 171
  • Return on invested capitalpre-tax loss, no effective tax rate to apply
  • Return on capital employed-5.5% · 34 pct, sector of 155
Financial health
45
Inputs
  • Debt to equity0.04x · 73 pct, sector of 152
  • Cash flow to debt-2.24x · 17 pct, sector of 136
Growth
87
Inputs
  • Revenue growth, YoY+82.8% · 87 pct, sector of 194
  • Backlog growth, YoYno backlog line filed, or no year-earlier backlog
Insider conviction
7
Inputs
  • Net Form 4 buying (codes P and S), 180d-$92.2M · 13 pct, sector of 147
  • Insider buyers, 180d0 · 0 pct, sector of 151
Institutional and government
67
Inputs
  • Funds adding, latest quarter313 · 75 pct, sector of 184
  • Congress net buyers, 365dno Congress trades in 365 days
  • Federal contracts, 180dno federal contracts in 180 days
  • Lobbying spend, 4 quarters$390K · 58 pct, sector of 53
Risk and compliance
28
Inputs
  • Short interest, % of float+17.1% · 12 pct, sector of 221
  • Recalls per $1B revenue, 3ynot measured for this sector, almost no peer has an event
  • EPA cases per $1B revenue, 5ynot measured for this sector, almost no peer has an event
  • New text in Risk Factors, latest 10-K+12.9% · 44 pct, sector of 152
1 not measured: US patents
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

6 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored

AAOI filings, in plain words

Are Applied Optoelectronics insiders buying or selling AAOI?

In the 180 days to 2026-10-27, Applied Optoelectronics insiders were net sellers, a net $94.6M across purchases and sales reported on Form 4, by 7 sellers.

Are there planned insider sales of AAOI?

Yes. 7 Form 144 notices of planned insider sales were filed in the 90 days to 2026-10-27, covering $7.2M of stock; the latest, by Murry Stefan J., was filed 2026-10-13.

Read the full summary

In the 180 days to 2026-10-27, Applied Optoelectronics insiders were net sellers of AAOI, a net $94.6M across purchases and sales reported on Form 4 by 7 sellers. 14% of the 28 insider sales were made under a Rule 10b5-1 plan; the rest were not flagged as planned. Insiders filed 7 Form 144 notices of intent to sell in the 90 days to 2026-10-27, covering $7.2M of stock. Each figure is counted from SEC and House filings as of 2026-10-27, dated the day the filing was made public.

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