Cyclacel Pharmaceuticals, Inc. (CYCC) has 20 known insider and institutional holders on record. The largest holder is Doris Wong Sing Ee with 194,628,820 shares. Other notable holders include MARXE AUSTIN W & GREENHOUSE DAVID M and MORGAN STANLEY.
Over the last 12 months, insiders have made 10 transactions in CYCC stock — 0 buys (valued at RSU Award) and 0 sells (valued at RSU Award).
CYCC Insider Ownership
Top Holder
Doris Wong Sing Ee
194,628,820 shares
Buys (12 mo)
0
$0.00 value
Sells (12 mo)
0
$0.00 value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Doris Wong Sing Ee |
10 Percent Owner, Officer: Chief Executive Officer |
194,628,820 |
2025-02-28 |
|
| 2 |
Marxe Austin W & Greenhouse David M |
10 Percent Owner |
3,456,900 |
2011-09-26 |
|
| 3 |
Morgan Stanley |
10 Percent Owner |
2,276,852 |
2009-11-12 |
|
| 4 |
Lazar David E. |
10 Percent Owner, Officer: Interim CEO |
2,100,000 |
2025-02-10 |
|
| 5 |
Natan David |
Director |
700,000 |
2025-02-28 |
|
| 6 |
Ben-tzvi Avraham |
Director |
700,000 |
2025-02-28 |
|
| 7 |
Flynn James E |
10 Percent Owner |
631,505 |
2008-11-20 |
|
| 8 |
Tang Kevin C |
10 Percent Owner |
425,700 |
2017-02-27 |
|
| 9 |
Rombotis Spiro |
President & C.e.o. |
355,148 |
2006-09-18 |
|
| 10 |
Ho Kee Wee |
10 Percent Owner |
250,000 |
2025-05-15 |
|
| 11 |
Ho Jien Shiung |
10 Percent Owner |
250,000 |
2025-05-15 |
|
| 12 |
Tan Kok Hui |
10 Percent Owner |
250,000 |
2025-05-14 |
|
| 13 |
Suria Sukses Engineering Sdn Bhd |
10 Percent Owner |
250,000 |
2025-05-02 |
|
| 14 |
Kirschbaum Mark |
Chief Medical Officer |
70,200 |
2023-07-03 |
|
| 15 |
Jackson Robert |
S.v.p. & Chief Scientific Offi |
63,606 |
2006-07-11 |
|
| 16 |
Westwood Robert |
V.p., Chem. & Preclin. Dev. |
50,000 |
2006-12-26 |
|
| 17 |
Ferguson Kenneth M. |
Director |
42,438 |
2023-07-03 |
|
| 18 |
Walker Karin L |
Director |
40,602 |
2023-07-03 |
|
| 19 |
Barker Sam L |
Director |
40,415 |
2023-07-03 |
|
| 20 |
Spiegel Robert J. |
Director |
39,415 |
2023-07-03 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2025-04-29 |
Ho Kee Wee |
Officer |
Unknown |
- |
- |
- |
| 2025-04-29 |
Ho Jien Shiung |
Officer |
Unknown |
- |
- |
- |
| 2025-04-29 |
Suria Sukses Engineering Sdn Bhd |
Officer |
Unknown |
- |
- |
- |
| 2025-04-29 |
Tan Kok Hui |
Officer |
Unknown |
- |
- |
- |
| 2025-04-29 |
Ho Kee Wee |
10 Percent Owner |
Unknown |
- |
- |
- |
| 2025-04-29 |
Ho Jien Shiung |
10 Percent Owner |
Unknown |
- |
- |
- |
| 2025-04-29 |
Tan Kok Hui |
10 Percent Owner |
Unknown |
- |
- |
- |
| 2025-04-02 |
Laurduraj Inigo Angel |
Director |
Unknown |
- |
- |
- |
| 2025-04-02 |
Nair Krishnan Satis Waran |
Director |
Unknown |
- |
- |
- |
| 2025-04-29 |
Suria Sukses Engineering Sdn Bhd |
10 Percent Owner |
Unknown |
- |
- |
- |
