Synopsys, Inc. (SNPS) has 20 known insider and institutional holders on record. The largest holder is CHAN CHI-FOON with 155,120 shares. Other notable holders include Logan Joseph W and Pham Trac.
Over the last 12 months, insiders have made 37 transactions in SNPS stock — 13 buys (valued at $577.97K) and 4 sells (valued at $5.77M). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
SNPS Insider Ownership
Top Holder
CHAN CHI-FOON
155,120 shares
Buys (12 mo)
13
$577.97K value
Sells (12 mo)
4
$5.77M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Chan Chi-foon |
Co-CEO |
155,120 |
2022-03-01 |
|
| 2 |
Logan Joseph W |
Chief Revenue Officer |
99,945 |
2022-09-02 |
|
| 3 |
Pham Trac |
CFO |
39,849 |
2022-09-02 |
|
| 4 |
Ellow Michael |
Chief Revenue Officer |
30,761 |
2025-12-18 |
|
| 5 |
Nikias Chrysostomos L |
Director |
23,395 |
2022-08-22 |
|
| 6 |
Chizen Bruce R |
Director |
15,709 |
2025-04-14 |
|
| 7 |
Chaffin Janice |
Director |
15,169 |
2025-04-14 |
|
| 8 |
Schwarz John |
Director |
12,787 |
2025-04-14 |
|
| 9 |
Lee Janet |
Gc & Corporate Secretary |
2,796 |
2026-03-02 |
|
| 10 |
Walske Steven |
Director |
2,784 |
2020-12-17 |
|
| 11 |
Vallee Roy |
Director |
2,622 |
2024-04-12 |
|
| 12 |
Sargent Jeannine P |
Director |
2,544 |
2025-04-14 |
|
| 13 |
Casper Marc N |
Director |
2,092 |
2024-04-12 |
|
| 14 |
Painter Robert G |
Director |
1,941 |
2025-04-14 |
|
| 15 |
Borgen Luis |
Director |
1,833 |
2025-04-14 |
|
| 16 |
De Geus Aart |
Executive Chair |
1,763 |
2026-03-16 |
|
| 17 |
Mahoney Richard S. |
Chief Revenue Officer |
1,485 |
2025-06-20 |
|
| 18 |
Ghazi Sassine |
President and CEO |
1,322 |
2026-03-16 |
|
| 19 |
Shimer Peter A |
Director |
845 |
2026-03-02 |
|
| 20 |
Runkel John F Jr |
Gc & Corporate Secretary |
811 |
2025-03-18 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-15 |
Glaser Shelagh |
CFO |
Option Exercise (Sell) |
793 |
- |
- |
| 2026-03-15 |
Ghazi Sassine |
President and CEO |
Option Exercise (Sell) |
1,322 |
- |
- |
| 2026-03-15 |
Kankanwadi Sudhindra |
Chief Accounting Officer |
Option Exercise (Sell) |
793 |
- |
- |
| 2026-03-15 |
De Geus Aart |
Executive Chair |
Option Exercise (Sell) |
1,763 |
- |
- |
| 2026-03-03 |
Lee Janet |
Gc & Corporate Secretary |
Option Exercise (Sell) |
292 |
- |
- |
| 2026-02-27 |
Shimer Peter A |
Director |
RSU Award |
845 |
- |
- |
| 2026-02-27 |
Glaser Shelagh |
CFO |
Other (Buy) |
28 |
$351.90 |
$9.85K |
| 2026-02-27 |
Ghazi Sassine |
President and CEO |
Other (Buy) |
28 |
$351.90 |
$9.85K |
| 2026-03-01 |
Lee Janet |
Gc & Corporate Secretary |
Option Exercise (Sell) |
699 |
- |
- |
| 2026-02-27 |
Kankanwadi Sudhindra |
Chief Accounting Officer |
Other (Buy) |
28 |
$351.90 |
$9.85K |
| 2026-02-27 |
De Geus Aart |
Executive Chair |
Other (Buy) |
28 |
$351.90 |
$9.85K |
| 2026-02-14 |
Shimer Peter A |
Director |
Unknown |
- |
- |
- |
| 2026-02-16 |
Lee Janet |
Gc & Corporate Secretary |
Option Exercise (Sell) |
2,873 |
- |
- |
| 2026-01-12 |
Lee Janet |
Gc & Corporate Secretary |
Informative Sell |
250 |
$530.00 |
$132.5K |
| 2026-01-07 |
Lee Janet |
Gc & Corporate Secretary |
Informative Sell |
250 |
$510.00 |
$127.5K |
| 2025-12-31 |
Lee Janet |
Gc & Corporate Secretary |
Option Exercise (Sell) |
937 |
- |
- |
| 2025-12-19 |
Glaser Shelagh |
CFO |
Option Exercise (Sell) |
1,044 |
$354.45 |
$370.05K |
| 2025-12-16 |
Glaser Shelagh |
CFO |
RSU Award |
7,554 |
- |
- |
| 2025-12-16 |
Ghazi Sassine |
President and CEO |
RSU Award |
19,856 |
- |
- |
| 2025-12-16 |
Lee Janet |
Gc & Corporate Secretary |
RSU Award |
3,238 |
- |
- |
| 2025-12-16 |
Kankanwadi Sudhindra |
Chief Accounting Officer |
RSU Award |
4,317 |
- |
- |
| 2025-12-16 |
Ellow Michael |
Chief Revenue Officer |
RSU Award |
6,475 |
- |
- |
| 2025-12-16 |
De Geus Aart |
Executive Chair |
RSU Award |
2,693 |
- |
- |
| 2025-12-12 |
Ellow Michael |
Chief Revenue Officer |
RSU Award |
24,286 |
- |
- |
| 2025-12-08 |
Glaser Shelagh |
CFO |
Option Exercise (Sell) |
662 |
- |
- |
