Hologic, Inc. (HOLX) has 20 known insider and institutional holders on record. The largest holder is MACMILLAN STEPHEN P with 1,423,837 shares. Other notable holders include Griffin John M. and Oberton Karleen Marie.
Over the last 12 months, insiders have made 56 transactions in HOLX stock — 24 buys (valued at $300.76K) and 0 sells (valued at RSU Award). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
HOLX Insider Ownership
Top Holder
MACMILLAN STEPHEN P
1,423,837 shares
Buys (12 mo)
24
$300.76K value
Sells (12 mo)
0
$0.00 value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Macmillan Stephen P |
Chairman, President and CEO |
1,423,837 |
2025-11-18 |
|
| 2 |
Griffin John M. |
General Counsel |
182,514 |
2024-11-18 |
|
| 3 |
Oberton Karleen Marie |
Chief Financial Officer |
150,735 |
2025-11-18 |
|
| 4 |
Verstreken Jan |
Group President, International |
134,039 |
2025-11-18 |
|
| 5 |
Mcmahon Robert W. |
Chief Financial Officer |
112,244 |
2018-08-03 |
|
| 6 |
Compton Eric B. |
COO |
107,560 |
2017-12-05 |
|
| 7 |
Thornal Kevin R |
Group Pres, Global Diagnostics |
77,776 |
2022-11-14 |
|
| 8 |
Mitchell Essex D |
Chief Operating Officer |
77,610 |
2025-11-18 |
|
| 9 |
West Thomas A. |
Div President & GM, Diagnostic |
55,753 |
2018-12-04 |
|
| 10 |
Stamoulis Christiana |
Director |
50,526 |
2026-03-02 |
|
| 11 |
Daugherty Sean S. |
Group President, Bsh & Surg. |
49,091 |
2022-02-28 |
|
| 12 |
Schneiders Jennifer M |
President, Diag. Solutions |
41,318 |
2025-11-18 |
|
| 13 |
Bebo Allison P |
SVP, Human Resources |
35,680 |
2021-02-09 |
|
| 14 |
Liddy Anne M. |
General Counsel |
28,052 |
2026-03-02 |
|
| 15 |
Wendell Amy Mcbride |
Director |
25,784 |
2026-03-02 |
|
| 16 |
Anderson Erik S |
Div. Pres., Breast & Skeletal |
23,231 |
2024-11-18 |
|
| 17 |
Horvath Mark W. |
President, Breast & Skeletal |
23,026 |
2026-02-12 |
|
| 18 |
Cohn Benjamin Jordan |
Principal Accounting Officer |
17,884 |
2025-11-18 |
|
| 19 |
Schnittker Brandon |
President, Gyn Surgical |
17,512 |
2025-12-16 |
|
| 20 |
Hantson Ludwig |
Director |
16,146 |
2026-03-02 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-02-27 |
Liddy Anne M. |
General Counsel |
Tax Withholding of RSU |
185 |
$75.36 |
$13.94K |
| 2026-02-26 |
Mohtashami Nanaz |
Director |
RSU Award |
3,190 |
- |
- |
| 2026-02-26 |
Mcmillan Wayde D. |
Director |
RSU Award |
3,190 |
- |
- |
| 2026-02-26 |
Stamoulis Christiana |
Director |
RSU Award |
3,190 |
- |
- |
| 2026-02-26 |
Hantson Ludwig |
Director |
RSU Award |
3,190 |
- |
- |
| 2026-02-26 |
Stewart Stacey D. |
Director |
RSU Award |
3,190 |
- |
- |
| 2026-02-26 |
Wendell Amy Mcbride |
Director |
RSU Award |
3,190 |
- |
- |
| 2026-02-26 |
Dockendorff Charles J |
Director |
RSU Award |
3,190 |
- |
- |
| 2026-02-26 |
Madaus Martin D |
Director |
RSU Award |
3,190 |
- |
- |
| 2026-02-10 |
Horvath Mark W. |
President, Breast & Skeletal |
Tax Withholding of RSU |
113 |
$75.15 |
$8.49K |
| 2026-01-30 |
De Walt Diana |
SVP, Human Resources |
Tax Withholding of RSU |
4,416 |
$74.93 |
$330.89K |
| 2025-12-12 |
Schnittker Brandon |
President, Gyn Surgical |
Tax Withholding of RSU |
90 |
$75.00 |
$6.75K |
| 2025-11-14 |
Liddy Anne M. |
General Counsel |
Tax Withholding of RSU |
337 |
$74.15 |
$24.99K |
| 2025-11-14 |
Schnittker Brandon |
President, Gyn Surgical |
Tax Withholding of RSU |
178 |
$74.15 |
$13.2K |
| 2025-11-14 |
Schneiders Jennifer M |
President, Diag. Solutions |
Tax Withholding of RSU |
561 |
$74.15 |
$41.6K |
| 2025-11-14 |
Mitchell Essex D |
Chief Operating Officer |
Tax Withholding of RSU |
1,342 |
$74.15 |
$99.51K |
| 2025-11-14 |
Verstreken Jan |
Group President, International |
Tax Withholding of RSU |
196 |
$74.15 |
$14.53K |
| 2025-11-14 |
Cohn Benjamin Jordan |
Principal Accounting Officer |
Tax Withholding of RSU |
187 |
$74.15 |
$13.87K |
| 2025-11-14 |
Oberton Karleen Marie |
Chief Financial Officer |
Tax Withholding of RSU |
1,333 |
$74.15 |
$98.84K |
| 2025-11-14 |
Macmillan Stephen P |
Chairman, President and CEO |
Tax Withholding of RSU |
6,874 |
$74.15 |
$509.71K |
| 2025-11-11 |
Liddy Anne M. |
General Counsel |
Tax Withholding of RSU |
406 |
$74.60 |
$30.29K |
| 2025-11-10 |
Liddy Anne M. |
General Counsel |
RSU Award |
17,496 |
- |
- |
| 2025-11-07 |
Liddy Anne M. |
General Counsel |
Tax Withholding of RSU |
288 |
$74.10 |
$21.34K |
| 2025-11-10 |
Horvath Mark W. |
President, Breast & Skeletal |
RSU Award |
13,458 |
- |
- |
| 2025-11-11 |
Schnittker Brandon |
President, Gyn Surgical |
Tax Withholding of RSU |
289 |
$74.60 |
$21.56K |
