LOGI

Logitech International S.A.

Insider trading activity for Logitech International S.A., straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

-$1.6M

net selling

Bought(0 · 0 insiders): $0
Sold(4 · 1 insiders): $1.6M

Past 6 months

-$1.6M

net selling

Bought(0 · 0 insiders): $0
Sold(4 · 1 insiders): $1.6M

Past 12 months

-$2.4M

net selling

Bought(0 · 0 insiders): $0
Sold(5 · 2 insiders): $2.4M

Transaction history

The 67 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Sep 11	Harnett Samantha	Chief Legal Officer	SSELL◷	500	$102.79	$51.4K	-1.3%	Open the original filing on SEC.gov
Sep 11	Harnett Samantha	Chief Legal Officer	SSELL◷	5,884	$102.31	$602K	-13.5%	Open the original filing on SEC.gov
Sep 11	Harnett Samantha	Chief Legal Officer	SSELL◷	5,830	$101.22	$590.1K	-11.8%	Open the original filing on SEC.gov
Sep 11	Harnett Samantha	Chief Legal Officer	SSELL◷	4,051	$99.96	$404.9K	-7.6%	Open the original filing on SEC.gov
Sep 9	Zahnd Sascha	Director	FTAX	136	$98.44	$13.4K	-0.9%	Open the original filing on SEC.gov
Sep 9	Thomas Deborah	Director	FTAX	714	$98.44	$70.3K	-4.6%	Open the original filing on SEC.gov
Sep 9	Montgomery Neela	Director	FTAX	721	$98.44	$71K	-4.7%	Open the original filing on SEC.gov
Sep 9	Ng Kwok Wang	Director	FTAX	136	$98.44	$13.4K	-0.9%	Open the original filing on SEC.gov
Sep 9	Lao Marjorie	Director	FTAX	719	$98.44	$70.8K	-3.4%	Open the original filing on SEC.gov
Sep 9	Mahoney Owen	Director	FTAX	719	$98.44	$70.8K	-9.0%	Open the original filing on SEC.gov
Sep 9	Gecht Guy	Director	FTAX	585	$98.44	$57.6K	-2.6%	Open the original filing on SEC.gov
Sep 9	Jones Christopher…	Director	FTAX	720	$98.44	$70.9K	-6.1%	Open the original filing on SEC.gov
Sep 9	Bugnion Edouard	Director	FTAX	138	$98.44	$13.6K	-0.3%	Open the original filing on SEC.gov
Sep 9	Allan Donald	Director	FTAX	585	$98.44	$57.6K	-7.5%	Open the original filing on SEC.gov
Sep 8	Zahnd Sascha	Director	AGRANT	2,518	—	—	+21.3%	Open the original filing on SEC.gov
Sep 8	Ng Kwok Wang	Director	AGRANT	2,518	—	—	+19.3%	Open the original filing on SEC.gov
Sep 8	Thomas Deborah	Director	AGRANT	2,518	—	—	+19.4%	Open the original filing on SEC.gov
Sep 8	Montgomery Neela	Director	AGRANT	2,518	—	—	+19.7%	Open the original filing on SEC.gov
Sep 8	Mahoney Owen	Director	AGRANT	813	$98.10	$79.8K	+11.4%	Open the original filing on SEC.gov
Sep 8	Mahoney Owen	Director	AGRANT	2,518	—	—	+54.6%	Open the original filing on SEC.gov
Sep 8	Jones Christopher…	Director	AGRANT	2,518	—	—	+27.0%	Open the original filing on SEC.gov
Sep 8	Lao Marjorie	Director	AGRANT	2,518	—	—	+13.3%	Open the original filing on SEC.gov
Sep 8	Allan Donald	Director	AGRANT	1,022	$98.10	$100.3K	+15.1%	Open the original filing on SEC.gov
Sep 8	Allan Donald	Director	AGRANT	2,518	—	—	+59.5%	Open the original filing on SEC.gov
Sep 8	Bugnion Edouard	Director	AGRANT	2,518	—	—	+5.1%	Open the original filing on SEC.gov
Sep 8	Gecht Guy	Director	AGRANT	2,518	—	—	+12.6%	Open the original filing on SEC.gov
Aug 15	Harnett Samantha	Chief Legal Officer	FTAX	7,712	$103.09	$795K	-12.6%	Open the original filing on SEC.gov
Aug 15	Harnett Samantha	Chief Legal Officer	AGRANT	15,247	—	—	+33.3%	Open the original filing on SEC.gov
Jul 31	Faber Johanna W.	Chief Executive Officer	AGRANT	90	$74.52	$6.7K	+0.6%	Open the original filing on SEC.gov
May 15	Harnett Samantha	Chief Legal Officer	FTAX	23,348	$102.99	$2.4M	-33.8%	Open the original filing on SEC.gov
May 15	Harnett Samantha	Chief Legal Officer	AGRANT	47,153	—	—	+214.1%	Open the original filing on SEC.gov
Apr 15	Harnett Samantha	Chief Legal Officer	AGRANT	5,757	—	—	+35.4%	Open the original filing on SEC.gov
Apr 15	Anversa Matteo	Chief Financial Officer	AGRANT	8,956	—	—	+117.8%	Open the original filing on SEC.gov
Mar 15	Anversa Matteo	Chief Financial Officer	FTAX↺	3,231	$92.75	$299.7K	-29.8%	Open the original filing on SEC.gov
Feb 15	Faber Johanna W.	Chief Executive Officer	FTAX	7,388	$89.01	$657.6K	-33.3%	Open the original filing on SEC.gov
Jan 30	Faber Johanna W.	Chief Executive Officer	AGRANT	100	$72.96	$7.3K	+0.4%	Open the original filing on SEC.gov
Oct 31, 2025	Montgomery Neela	Director	SSELL	5,833	$120.61	$703.5K	-31.3%	Open the original filing on SEC.gov
Sep 16, 2025	Arunkundrum Prakash	See Remarks	MEXER◷◆	5,000	—	—	—	Open the original filing on SEC.gov
Sep 16, 2025	Arunkundrum Prakash	See Remarks	SSELL◷	5,000	$111.03	$555.2K	-7.4%	Open the original filing on SEC.gov
Sep 16, 2025	Arunkundrum Prakash	See Remarks	MEXER◷	5,000	$38.65	$193.3K	+8.0%	Open the original filing on SEC.gov
Sep 9, 2025	Mahoney Owen	Director	AGRANT	377	$107.66	$40.6K	+19.9%	Open the original filing on SEC.gov
Sep 9, 2025	Zahnd Sascha	Director	AGRANT	2,338	—	—	+24.6%	Open the original filing on SEC.gov
Sep 9, 2025	Thomas Deborah	Director	AGRANT	2,338	—	—	+21.9%	Open the original filing on SEC.gov
Sep 9, 2025	Ng Kwok Wang	Director	AGRANT	2,338	—	—	+21.8%	Open the original filing on SEC.gov
Sep 9, 2025	Montgomery Neela	Director	AGRANT	2,338	—	—	+14.4%	Open the original filing on SEC.gov
Sep 9, 2025	Mahoney Owen	Director	AGRANT	2,338	—	—	+102.8%	Open the original filing on SEC.gov
Sep 9, 2025	Lao Marjorie	Director	AGRANT	2,338	—	—	+14.1%	Open the original filing on SEC.gov
Sep 9, 2025	Jones Christopher…	Director	AGRANT	2,338	—	—	+33.5%	Open the original filing on SEC.gov
Sep 9, 2025	Gecht Guy	Director	AGRANT	2,338	—	—	+13.2%	Open the original filing on SEC.gov
Sep 9, 2025	Bugnion Edouard	Director	AGRANT	2,338	—	—	+5.0%	Open the original filing on SEC.gov
Sep 9, 2025	Allan Donald	Director	AGRANT	2,338	—	—	+123.3%	Open the original filing on SEC.gov
Sep 4, 2025	Zahnd Sascha	Director	FTAX	157	$106.04	$16.6K	-1.6%	Open the original filing on SEC.gov
Sep 4, 2025	Thomas Deborah	Director	FTAX	834	$106.04	$88.4K	-7.2%	Open the original filing on SEC.gov
Sep 4, 2025	Ng Kwok Wang	Director	FTAX	153	$106.04	$16.2K	-1.4%	Open the original filing on SEC.gov
Sep 4, 2025	Montgomery Neela	Director	FTAX	840	$106.04	$89.1K	-4.9%	Open the original filing on SEC.gov
Sep 4, 2025	Mahoney Owen	Director	FTAX	839	$106.04	$89K	-30.7%	Open the original filing on SEC.gov
Sep 4, 2025	Lao Marjorie	Director	FTAX	839	$106.04	$89K	-4.8%	Open the original filing on SEC.gov
Sep 4, 2025	Jones Christopher…	Director	FTAX	841	$106.04	$89.2K	-10.8%	Open the original filing on SEC.gov
Sep 4, 2025	Gecht Guy	Director	FTAX	840	$106.04	$89.1K	-4.5%	Open the original filing on SEC.gov
Sep 4, 2025	Bugnion Edouard	Director	FTAX	158	$106.04	$16.8K	-0.3%	Open the original filing on SEC.gov
Sep 4, 2025	Becker Wendy	Director	FTAX	831	$106.04	$88.1K	-2.8%	Open the original filing on SEC.gov
Sep 4, 2025	Allan Donald	Director	FTAX	840	$106.04	$89.1K	-30.7%	Open the original filing on SEC.gov
Sep 4, 2025	Arunkundrum Prakash	See Remarks	MEXER◷◆↺	5,000	—	—	—	Open the original filing on SEC.gov
Sep 4, 2025	Arunkundrum Prakash	See Remarks	SSELL◷↺	9,900	$105.00	$1M	-13.7%	Open the original filing on SEC.gov
Sep 4, 2025	Arunkundrum Prakash	See Remarks	MEXER◷↺	5,000	$38.65	$193.3K	+7.4%	Open the original filing on SEC.gov
Jul 31, 2025	Faber Johanna W.	Chief Executive Officer	AGRANT	79	$78.95	$6.2K	+0.4%	Open the original filing on SEC.gov
Jul 31, 2025	Arunkundrum Prakash	Chief Operating Officer	AGRANT	61	$78.95	$4.8K	+<0.1%	Open the original filing on SEC.gov

SSELL◷$51.4K

Harnett Samantha · Chief Legal…Sep 11

500 sh @ $102.79 · -1.3% own

SSELL◷$602K

Harnett Samantha · Chief Legal…Sep 11

5,884 sh @ $102.31 · -13.5% own

SSELL◷$590.1K

Harnett Samantha · Chief Legal…Sep 11

5,830 sh @ $101.22 · -11.8% own

SSELL◷$404.9K

Harnett Samantha · Chief Legal…Sep 11

4,051 sh @ $99.96 · -7.6% own

FTAX$13.4K

Zahnd Sascha · DirectorSep 9

136 sh @ $98.44 · -0.9% own

FTAX$70.3K

Thomas Deborah · DirectorSep 9

714 sh @ $98.44 · -4.6% own

FTAX$71K

Montgomery Neela · DirectorSep 9

721 sh @ $98.44 · -4.7% own

FTAX$13.4K

Ng Kwok Wang · DirectorSep 9

136 sh @ $98.44 · -0.9% own

FTAX$70.8K

Lao Marjorie · DirectorSep 9

719 sh @ $98.44 · -3.4% own

FTAX$70.8K

Mahoney Owen · DirectorSep 9

719 sh @ $98.44 · -9.0% own

FTAX$57.6K

Gecht Guy · DirectorSep 9

585 sh @ $98.44 · -2.6% own

FTAX$70.9K

Jones Christopher… · DirectorSep 9

720 sh @ $98.44 · -6.1% own

FTAX$13.6K

Bugnion Edouard · DirectorSep 9

138 sh @ $98.44 · -0.3% own

FTAX$57.6K

Allan Donald · DirectorSep 9

585 sh @ $98.44 · -7.5% own

AGRANT—

Zahnd Sascha · DirectorSep 8

2,518 sh · +21.3% own

AGRANT—

Ng Kwok Wang · DirectorSep 8

2,518 sh · +19.3% own

AGRANT—

Thomas Deborah · DirectorSep 8

2,518 sh · +19.4% own

AGRANT—

Montgomery Neela · DirectorSep 8

2,518 sh · +19.7% own

AGRANT$79.8K

Mahoney Owen · DirectorSep 8

813 sh @ $98.10 · +11.4% own

AGRANT—

Mahoney Owen · DirectorSep 8

2,518 sh · +54.6% own

AGRANT—

Jones Christopher… · DirectorSep 8

2,518 sh · +27.0% own

AGRANT—

Lao Marjorie · DirectorSep 8

2,518 sh · +13.3% own

AGRANT$100.3K

Allan Donald · DirectorSep 8

1,022 sh @ $98.10 · +15.1% own

AGRANT—

Allan Donald · DirectorSep 8

2,518 sh · +59.5% own

AGRANT—

Bugnion Edouard · DirectorSep 8

2,518 sh · +5.1% own

AGRANT—

Gecht Guy · DirectorSep 8

2,518 sh · +12.6% own

FTAX$795K

Harnett Samantha · Chief Legal…Aug 15

7,712 sh @ $103.09 · -12.6% own

AGRANT—

Harnett Samantha · Chief Legal…Aug 15

15,247 sh · +33.3% own

AGRANT$6.7K

Faber Johanna W. · Chief Executive…Jul 31

90 sh @ $74.52 · +0.6% own

FTAX$2.4M

Harnett Samantha · Chief Legal…May 15

23,348 sh @ $102.99 · -33.8% own

AGRANT—

Harnett Samantha · Chief Legal…May 15

47,153 sh · +214.1% own

AGRANT—

Harnett Samantha · Chief Legal…Apr 15

5,757 sh · +35.4% own

AGRANT—

Anversa Matteo · Chief Financial…Apr 15

8,956 sh · +117.8% own

FTAX↺$299.7K

Anversa Matteo · Chief Financial…Mar 15

3,231 sh @ $92.75 · -29.8% own

FTAX$657.6K

Faber Johanna W. · Chief Executive…Feb 15

7,388 sh @ $89.01 · -33.3% own

AGRANT$7.3K

Faber Johanna W. · Chief Executive…Jan 30

100 sh @ $72.96 · +0.4% own

SSELL$703.5K

Montgomery Neela · DirectorOct 31, 2025

5,833 sh @ $120.61 · -31.3% own

MEXER◷◆—

Arunkundrum Prakash · See RemarksSep 16, 2025

5,000 sh

SSELL◷$555.2K

Arunkundrum Prakash · See RemarksSep 16, 2025

5,000 sh @ $111.03 · -7.4% own

MEXER◷$193.3K

Arunkundrum Prakash · See RemarksSep 16, 2025

5,000 sh @ $38.65 · +8.0% own

AGRANT$40.6K

Mahoney Owen · DirectorSep 9, 2025

377 sh @ $107.66 · +19.9% own

AGRANT—

Zahnd Sascha · DirectorSep 9, 2025

2,338 sh · +24.6% own

AGRANT—

Thomas Deborah · DirectorSep 9, 2025

2,338 sh · +21.9% own

AGRANT—

Ng Kwok Wang · DirectorSep 9, 2025

2,338 sh · +21.8% own

AGRANT—

Montgomery Neela · DirectorSep 9, 2025

2,338 sh · +14.4% own

AGRANT—

Mahoney Owen · DirectorSep 9, 2025

2,338 sh · +102.8% own

AGRANT—

Lao Marjorie · DirectorSep 9, 2025

2,338 sh · +14.1% own

AGRANT—

Jones Christopher… · DirectorSep 9, 2025

2,338 sh · +33.5% own

AGRANT—

Gecht Guy · DirectorSep 9, 2025

2,338 sh · +13.2% own

AGRANT—

Bugnion Edouard · DirectorSep 9, 2025

2,338 sh · +5.0% own

AGRANT—

Allan Donald · DirectorSep 9, 2025

2,338 sh · +123.3% own

FTAX$16.6K

Zahnd Sascha · DirectorSep 4, 2025

157 sh @ $106.04 · -1.6% own

FTAX$88.4K

Thomas Deborah · DirectorSep 4, 2025

834 sh @ $106.04 · -7.2% own

FTAX$16.2K

Ng Kwok Wang · DirectorSep 4, 2025

153 sh @ $106.04 · -1.4% own

FTAX$89.1K

Montgomery Neela · DirectorSep 4, 2025

840 sh @ $106.04 · -4.9% own

FTAX$89K

Mahoney Owen · DirectorSep 4, 2025

839 sh @ $106.04 · -30.7% own

FTAX$89K

Lao Marjorie · DirectorSep 4, 2025

839 sh @ $106.04 · -4.8% own

FTAX$89.2K

Jones Christopher… · DirectorSep 4, 2025

841 sh @ $106.04 · -10.8% own

FTAX$89.1K

Gecht Guy · DirectorSep 4, 2025

840 sh @ $106.04 · -4.5% own

FTAX$16.8K

Bugnion Edouard · DirectorSep 4, 2025

158 sh @ $106.04 · -0.3% own

FTAX$88.1K

Becker Wendy · DirectorSep 4, 2025

831 sh @ $106.04 · -2.8% own

FTAX$89.1K

Allan Donald · DirectorSep 4, 2025

840 sh @ $106.04 · -30.7% own

MEXER◷◆↺—

Arunkundrum Prakash · See RemarksSep 4, 2025

5,000 sh

SSELL◷↺$1M

Arunkundrum Prakash · See RemarksSep 4, 2025

9,900 sh @ $105.00 · -13.7% own

MEXER◷↺$193.3K

Arunkundrum Prakash · See RemarksSep 4, 2025

5,000 sh @ $38.65 · +7.4% own

AGRANT$6.2K

Faber Johanna W. · Chief Executive…Jul 31, 2025

79 sh @ $78.95 · +0.4% own

AGRANT$4.8K

Arunkundrum Prakash · Chief Operating…Jul 31, 2025

61 sh @ $78.95 · +<0.1% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

2 of 54 filings we hold were filed after the two-business-day deadline. The furthest past the deadline was 3 business days late.

Form 4 filings made after the two-business-day deadline, with the transaction date, the filing date and the number of business days between them.
Traded	Filed	Insider	Past deadline	Largest line	Source
Apr 15	Apr 22	Harnett SamanthaChief Legal Officer	3days	—	Filing ↗
Apr 15	Apr 22	Anversa MatteoChief Financial Officer	3days	—	Filing ↗

Harnett SamanthaChief Legal Officer

3days

Traded Apr 15 · filed Apr 22Filing ↗

Anversa MatteoChief Financial Officer

3days

Traded Apr 15 · filed Apr 22Filing ↗

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.

More technology companies

Other issuers in the same industry with insider filings on record.

Whole sector →