Nasdaq · CIK 0001051627
AXTI AXT INC
Insider trading from SEC Form 4. Last filing Aug 19, 2026. Close $68.46 on Oct 9, 2026, +1599% from the 52-week low and -51% from the high.
In brief
AXT INC (AXTI) has 58 SEC Form 4 filings on file from 5 insiders, the latest filed on Aug 19, 2026. In the last 90 days insiders made 0 open-market buys worth $0 and 2 open-market sells worth $606k, net -$606k.
34 open-market trades have been scored at AXTI. The newest: Leonard J Leblanc (director) sold $384k of stock on Aug 17, 2026, filed Aug 19, 2026, scored 31 (weak). The largest of the 34 shown: Morris S Young (CEO) sold $22M on Jun 1, 2026, scored 50 (moderate). 4 insiders sold within 14 days of each other around Jun 10, 2026.
24 Form 144 notices of planned sales are on file, the latest filed Aug 17, 2026.
Last 90 days
Net insider value
-$606k
more sold than bought
Buys
0
$0 by 0 insiders
Sells
2
$606k by 1 insider
Insiders on file
5
with a Form 4 at this company
Price and insider trades, last year
AXTIOct 9, 2026 · close 68.46
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
Open-market buys and sells at AXT INC, scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 31Weak | Leonard J Leblanc director sell | $384k 4,000 shares | -3% | +4536% from low-32% from high | |
| 42Moderate | Leonard J Leblanc director sell | $221k 2,500 shares | -2% | +4535% from low-39% from high | |
| 59Moderate | David C Chang director sell | $926k 8,333 shares | -11% | +5918% from low-21% from high | |
| 56Moderate | Jesse Chen director sell | $711k 6,172 shares | -11% | +5918% from low-21% from high | |
| 65Notable | Jesse Chen director sell | $2.0M 22,000 shares | -28% | +4701% from low-37% from high | |
| 60Notable | Jesse Chen director sell | $1.5M 16,500 shares | -17% | +4861% from low-36% from high | |
| 55Moderate | Jesse Chen director sell | $1.1M 10,133 shares | -10% | +6140% from low-24% from high | |
| 49Moderate | Jesse Chen director sell | $579k 5,200 shares | -5% | +6878% from low-22% from high | |
| 50Moderate | Morris S Young CEO sell | $22M 197,498 shares | -8% | +6878% from low-22% from high | |
| 72Notable | Gary L Fischer CFO sell | $4.5M 89,032 shares | -32% | +3928% from low-1% from high | |
| 65Notable | Morris S Young CEO sell | $1.9M 37,905 shares | -2% | +4112% from low0% from high | |
| 56Moderate | Jesse Chen director sell | $700k 14,086 shares | -11% | +3928% from low-1% from high | |
| 60Notable | Jesse Chen director sell | $1.4M 29,000 shares | -19% | +3719% from low-4% from high | |
| 59Moderate | David C Chang director sell | $920k 20,000 shares | -22% | +3719% from low-4% from high | |
| 65Notable | Morris S Young CEO sell | $1.4M 30,832 shares | -1% | +3719% from low-4% from high | |
| 49Moderate | Jesse Chen director sell | $543k 14,452 shares | -9% | +2691% from low-30% from high | |
| 65Notable | Morris S Young CEO sell | $4.9M 134,193 shares | -5% | +2691% from low-30% from high | |
| 57Moderate | Jesse Chen director sell | $768k 19,947 shares | -11% | +3273% from low-16% from high | |
| 65Notable | David C Chang director sell | $1.5M 40,000 shares | -30% | +3273% from low-16% from high | |
| 82Strong | Gary L Fischer CFO sell | $17M 405,233 shares | -59% | +3893% from low0% from high | |
| 65Notable | Morris S Young CEO sell | $6.9M 159,536 shares | -6% | +3893% from low0% from high | |
| 59Moderate | Jesse Chen director sell | $962k 22,327 shares | -11% | +3893% from low0% from high | |
| 43Moderate | David C Chang director sell | $371k 25,000 shares | -16% | +1190% from low0% from high | |
| 50Moderate | Morris S Young CEO sell | $463k 37,160 shares | -1% | +996% from low0% from high | |
| 34Weak | Morris S Young CEO sell | $422k 35,000 shares | -1% | +943% from low0% from high | |
| 47Moderate | David C Chang director sell | $576k 50,000 shares | -24% | +822% from low-3% from high | |
| 55Moderate | Morris S Young CEO sell | $344k 33,130 shares | -1% | +784% from low-7% from high | |
| 67Notable | Gary L Fischer CFO sell | $1.0M 101,297 shares | -22% | +800% from low-5% from high | |
| 35Weak | Leonard J Leblanc director sell | $31k 3,637 shares | -3% | +716% from low0% from high | |
| 49Moderate | Gary L Fischer CFO sell | $201k 22,675 shares | -5% | +665% from low-3% from high | |
| 64Notable | David C Chang director sell | $894k 100,000 shares | -32% | +684% from low0% from high | |
| 63Notable | Gary L Fischer CFO sell | $708k 80,235 shares | -14% | +636% from low0% from high | |
| 61Notable | Morris S Young CEO sell | $692k 80,000 shares | -3% | +629% from low0% from high | |
| 31Weak | Morris S Young CHAIRMAN AND CEO buy | $41k 30,000 shares | +1% | - |
Planned sales
Form 144 notices filed before a sale of restricted or control stock, newest first. The sale itself usually reaches a Form 4 within days. All planned sales
| Filed | Seller | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Aug 17, 2026 | LEBLANC LEONARD J Director | 4,000 0.01% of outstanding | $372k | Aug 17, 2026 | $221k |
| Aug 7, 2026 | LEBLANC LEONARD J Director | 2,000 0.00% of outstanding | $175k | Aug 7, 2026 | $45k |
| Jun 8, 2026 | CHANG DAVID C Director | 8,333 0.01% of outstanding | $797k | Jun 8, 2026 | $920k |
| Jun 5, 2026 | LEBLANC LEONARD J Director | 500 0.00% of outstanding | $55k | Jun 5, 2026 | none |
| Jun 2, 2026 | YOUNG MORRIS S Officer | 111,795 0.17% of outstanding | $13M | Jun 2, 2026 | $25M |
| Jun 1, 2026 | YOUNG MORRIS S Officer | 85,703 0.13% of outstanding | $9.7M | Jun 1, 2026 | $15M |
| Jun 1, 2026 | CHEN JESSE Director | 109,526 0.17% of outstanding | $12M | Jun 1, 2026 | $4.3M |
| Mar 13, 2026 | YOUNG MORRIS S Officer | 37,905 0.08% of outstanding | $1.9M | Mar 13, 2026 | $14M |
| Mar 10, 2026 | YOUNG MORRIS S Officer | 30,832 0.07% of outstanding | $1.4M | Mar 10, 2026 | $13M |
| Mar 9, 2026 | YOUNG MORRIS S Officer | 125,893 0.27% of outstanding | $4.6M | Mar 9, 2026 | $8.1M |
| Mar 6, 2026 | YOUNG MORRIS S Officer | 8,300 0.02% of outstanding | $329k | Mar 6, 2026 | $7.8M |
| Mar 3, 2026 | CHANG DAVID C Director | 60,000 0.13% of outstanding | $2.8M | Mar 3, 2026 | $679k |
| Mar 2, 2026 | YOUNG MORRIS S Officer | 159,536 0.34% of outstanding | $6.9M | Mar 2, 2026 | $885k |
| Mar 2, 2026 | Gary Fischer Officer | 494,265 1.06% of outstanding | $19M | Mar 2, 2026 | none |
| Mar 2, 2026 | CHEN JESSE Director | 100,000 0.21% of outstanding | $4.5M | Mar 2, 2026 | none |
| Dec 8, 2025 | YOUNG MORRIS S Officer | 37,160 0.08% of outstanding | $463k | Dec 8, 2025 | $1.5M |
| Dec 4, 2025 | YOUNG MORRIS S Officer | 35,000 0.08% of outstanding | $422k | Dec 4, 2025 | $1.0M |
| Nov 25, 2025 | CHANG DAVID C Director | 100,000 0.21% of outstanding | $934k | Nov 25, 2025 | $894k |
| Nov 17, 2025 | YOUNG MORRIS S Officer | 33,130 0.07% of outstanding | $344k | Nov 17, 2025 | $692k |
| Nov 12, 2025 | Gary Fischer Officer | 101,297 0.22% of outstanding | $1.1M | Nov 12, 2025 | $909k |
| Nov 7, 2025 | LEBLANC LEONARD J Director | 3,637 0.01% of outstanding | $32k | Nov 7, 2025 | none |
| Nov 5, 2025 | CHANG DAVID C Director | 100,000 0.22% of outstanding | $906k | Nov 5, 2025 | none |
| Nov 4, 2025 | Gary Fischer Officer | 102,910 0.22% of outstanding | $872k | Nov 3, 2025 | none |
| Nov 3, 2025 | YOUNG MORRIS S Officer | 80,000 0.17% of outstanding | $692k | Nov 3, 2025 | none |
Transactions
The newest 50 of 102 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jun 10, 2026 | Leonard J Leblanc director | SOpen-market sale Common Stock | -500 | $89.59 | $45k | 119,129 | Aug 19, 2026 |
| Aug 17, 2026 | Leonard J Leblanc director | SOpen-market sale Common Stock | -4,000 | $96.07 | $384k | 113,129 | Aug 19, 2026 |
| Aug 7, 2026 | Leonard J Leblanc director | SOpen-market sale Common Stock | -2,000 | $88.32 | $177k | 117,129 | Aug 19, 2026 |
| Jun 15, 2026 | Jesse Chen director | SOpen-market sale Common Stock | -6,172 | $115.24 | $711k | 50,275 | Jun 17, 2026 |
| Jun 15, 2026 | David C Chang director | SOpen-market sale Common Stock | -8,333 | $111.17 | $926k | 65,165 | Jun 17, 2026 |
| Jun 12, 2026 | Morris S Young CEO | GGift Common Stockindirect: By Young Family Trust DTD | -1,200 | $0.00 | $0 | 2,148,333 | Jun 16, 2026 |
| Jun 11, 2026 | Jesse Chen director | SOpen-market sale Common Stock | -9,000 | $88.55 | $797k | 69,447 | Jun 15, 2026 |
| Jun 12, 2026 | Jesse Chen director | SOpen-market sale Common Stock | -13,000 | $95.77 | $1.2M | 56,447 | Jun 15, 2026 |
| Jun 8, 2026 | Jesse Chen director | SOpen-market sale Common Stock | -6,000 | $94.00 | $564k | 88,947 | Jun 10, 2026 |
| Jun 9, 2026 | Jesse Chen director | SOpen-market sale Common Stock | -1,500 | $93.30 | $140k | 87,447 | Jun 10, 2026 |
| Jun 10, 2026 | Jesse Chen director | SOpen-market sale Common Stock | -9,000 | $86.73 | $781k | 78,447 | Jun 10, 2026 |
| Jun 3, 2026 | Jesse Chen director | SOpen-market sale Common Stock | -4,000 | $111.36 | $445k | 100,326 | Jun 5, 2026 |
| Jun 4, 2026 | David C Chang director | AGrant or award Common Stock | +754 | - | - | 73,498 | Jun 5, 2026 |
| Jun 4, 2026 | Leonard J Leblanc director | AGrant or award Common Stock | +754 | - | - | 119,629 | Jun 5, 2026 |
| Jun 4, 2026 | Jesse Chen director | SOpen-market sale Common Stock | -6,133 | $108.28 | $664k | 94,193 | Jun 5, 2026 |
| Jun 4, 2026 | Jesse Chen director | AGrant or award Common Stock | +754 | - | - | 94,947 | Jun 5, 2026 |
| Jun 1, 2026 | Jesse Chen director | SOpen-market sale Common Stock | -3,200 | $111.56 | $357k | 106,326 | Jun 3, 2026 |
| Jun 1, 2026 | Morris S Young CEO | MOption exercise Common Stock | +73,897 | $5.21 | $385k | 2,335,225 | Jun 3, 2026 |
| Jun 2, 2026 | Jesse Chen director | SOpen-market sale Common Stock | -2,000 | $111.03 | $222k | 104,326 | Jun 3, 2026 |
| Jun 1, 2026 | Morris S Young CEO | SOpen-market sale Common Stock | -73,897 | $112.39 | $8.3M | 2,261,328 | Jun 3, 2026 |
| Jun 2, 2026 | Morris S Young CEO | MOption exercise Common Stock | +11,806 | $5.21 | $62k | 2,273,134 | Jun 3, 2026 |
| Jun 2, 2026 | Morris S Young CEO | SOpen-market sale Common Stock | -123,601 | $113.33 | $14M | 2,149,533 | Jun 3, 2026 |
| Jun 1, 2026 | Morris S Young CEO | MOption exercise Stock Option (Right to Buy)derivative | -73,897 | $0.00 | $0 | 478,852 | Jun 3, 2026 |
| Jun 2, 2026 | Morris S Young CEO | MOption exercise Stock Option (Right to Buy)derivative | -11,806 | $0.00 | $0 | 467,046 | Jun 3, 2026 |
| May 1, 2026 | Morris S Young CEO | GGift Common Stockindirect: By Young
Family
Trust DTD | -6,500 | $0.00 | $0 | 2,268,828 | May 5, 2026 |
| May 1, 2026 | Morris S Young CEO | GGift Common Stockindirect: By Young
Family
Trust DTD | -7,500 | $0.00 | $0 | 2,261,328 | May 5, 2026 |
| Mar 13, 2026 | Morris S Young CEO | SOpen-market sale Common Stockindirect: By Young
Family
Trust DTD | -37,905 | $51.13 | $1.9M | 2,275,328 | Mar 16, 2026 |
| Mar 12, 2026 | Gary L Fischer CFO | SOpen-market sale Common Stock | -8,256 | $50.20 | $414k | 272,054 | Mar 16, 2026 |
| Mar 12, 2026 | Jesse Chen director | SOpen-market sale Common Stock | -6,003 | $48.95 | $294k | 117,609 | Mar 16, 2026 |
| Mar 13, 2026 | Gary L Fischer CFO | SOpen-market sale Common Stock | -80,776 | $50.64 | $4.1M | 191,278 | Mar 16, 2026 |
| Mar 13, 2026 | Jesse Chen director | SOpen-market sale Common Stock | -8,083 | $50.25 | $406k | 109,526 | Mar 16, 2026 |
| Mar 10, 2026 | Jesse Chen director | SOpen-market sale Common Stock | -14,000 | $46.15 | $646k | 138,612 | Mar 12, 2026 |
| Mar 10, 2026 | David C Chang director | SOpen-market sale Common Stock | -20,000 | $46.00 | $920k | 72,744 | Mar 12, 2026 |
| Mar 10, 2026 | Morris S Young CEO | SOpen-market sale Common Stockindirect: By Young
Family
Trust DTD | -30,832 | $45.60 | $1.4M | 2,313,233 | Mar 12, 2026 |
| Mar 11, 2026 | Jesse Chen director | SOpen-market sale Common Stock | -15,000 | $47.13 | $707k | 123,612 | Mar 12, 2026 |
| Mar 6, 2026 | Jesse Chen director | SOpen-market sale Common Stock | -2,000 | $36.63 | $73k | 165,064 | Mar 10, 2026 |
| Mar 3, 2026 | Morris S Young CEO | GGift Common Stockindirect: By Young
Family
Trust DTD | -3,780 | $0.00 | $0 | 2,478,258 | Mar 10, 2026 |
| Mar 9, 2026 | Jesse Chen director | SOpen-market sale Common Stock | -12,452 | $37.69 | $469k | 152,612 | Mar 10, 2026 |
| Mar 6, 2026 | Morris S Young CEO | SOpen-market sale Common Stockindirect: By Young
Family
Trust DTD | -8,300 | $39.65 | $329k | 2,469,958 | Mar 10, 2026 |
| Mar 9, 2026 | Morris S Young CEO | SOpen-market sale Common Stockindirect: By Young
Family
Trust DTD | -125,893 | $36.51 | $4.6M | 2,344,065 | Mar 10, 2026 |
| Mar 4, 2026 | Jesse Chen director | SOpen-market sale Common Stock | -8,800 | $38.83 | $342k | 178,211 | Mar 5, 2026 |
| Mar 4, 2026 | David C Chang director | SOpen-market sale Common Stock | -20,000 | $38.53 | $771k | 112,744 | Mar 5, 2026 |
| Mar 5, 2026 | Jesse Chen director | SOpen-market sale Common Stock | -11,147 | $38.26 | $427k | 167,064 | Mar 5, 2026 |
| Mar 5, 2026 | David C Chang director | SOpen-market sale Common Stock | -20,000 | $38.42 | $768k | 92,744 | Mar 5, 2026 |
| Mar 2, 2026 | Gary L Fischer CFO | SOpen-market sale Common Stock | -405,233 | $41.46 | $17M | 280,310 | Mar 3, 2026 |
| Mar 2, 2026 | Morris S Young CEO | GGift Common Stockindirect: By Young
Family
Trust DTD | -17,200 | $0.00 | $0 | 2,651,574 | Mar 3, 2026 |
| Mar 2, 2026 | Morris S Young CEO | SOpen-market sale Common Stockindirect: By Young
Family
Trust DTD | -159,536 | $43.32 | $6.9M | 2,482,038 | Mar 3, 2026 |
| Mar 2, 2026 | Jesse Chen director | SOpen-market sale Common Stock | -11,320 | $45.59 | $516k | 198,018 | Mar 3, 2026 |
| Mar 3, 2026 | Jesse Chen director | SOpen-market sale Common Stock | -11,007 | $40.49 | $446k | 187,011 | Mar 3, 2026 |
| Mar 2, 2026 | Morris S Young CEO | GGift Common Stockindirect: By Young
Family
Trust DTD | -10,000 | $0.00 | $0 | 2,641,574 | Mar 3, 2026 |
50 of 102 rows shown.
Insiders
Everyone who has filed a Form 4 here.
- David C Changdirector
- Jesse Chendirector
- Gary L FischerCFO
- Leonard J Leblancdirector
- Morris S YoungCEO
Questions about AXTI
Answered from the filings on this page, as of the latest one.
Are insiders buying AXTI?
As of Aug 19, 2026, SEC Form 4 filings show 0 open-market buys worth $0 by 0 insiders and 2 open-market sells worth $606k by 1 insider at AXT INC in the last 90 days, net -$606k. Only purchases (code P) and sales (code S) count; grants, option exercises and tax withholding do not.
Who was the last insider to trade AXTI on the open market?
Leonard J Leblanc (director) sold $384k of AXTI on Aug 17, 2026 and filed the Form 4 on Aug 19, 2026. InsiderTell scored 31 (weak).
How many insiders file Form 4 at AXT INC?
5 people have filed a Form 4 at AXT INC, among them David C Chang (director), Jesse Chen (director), Gary L Fischer (CFO). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
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.