Desmond Jeanmarie F.

Director at Sylvamo Corp · on record since Apr 30, 2026
Director at IPG PHOTONICS CORP · on record since May 13, 2026
EVP & CFO at DuPont de Nemours, Inc. · on record since Aug 7, 2019
Director at Trinseo PLC · on record since Oct 2, 2020

Insider trading activity of Desmond Jeanmarie F.

Transactions on record: 66; since Oct 3, 2017

Open-market buys: 3; $125.1K

Open-market sells: 6; $971.8K

Companies traded: 4; last filing Jul 30, 2026

Figures computed from official regulatory filings — .

Companies where Desmond Jeanmarie F. has traded

Sylvamo Corp23 tx · $453.9K · Jul 30, 2026
IPG PHOTONICS CORP12 tx · $495.5K · May 15, 2026
Trinseo PLC14 tx · $241.7K · Jun 27, 2025
DuPont de Nemours, Inc.17 tx · $1.6M · Feb 19, 2020

Track record of Desmond Jeanmarie F.

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of Desmond Jeanmarie F.

Co-insiders of Desmond Jeanmarie F.

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Sylvamo CorpListing on record	Jul 30, 2026	AwardD (derivative)	136.21	38.92 USD	$5.3K		SEC
Sylvamo CorpListing on record	May 18, 2026	Award	3,876	38.70 USD	$150K	Unusual size	SEC
IPG PHOTONICS CORPListing on record	May 15, 2026	Sell	-1,690	105.58 USD	$178.4K		SEC
IPG PHOTONICS CORPListing on record	May 13, 2026	Award	2,436	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Sylvamo CorpListing on record	Apr 30, 2026	AwardD (derivative)	80.81	43.57 USD	$3.5K		SEC
Sylvamo CorpListing on record	Jan 27, 2026	AwardD (derivative)	68.37	51.05 USD	$3.5K		SEC
Sylvamo CorpListing on record	Oct 20, 2025	AwardD (derivative)	82.22	42.00 USD	$3.5K		SEC
IPG PHOTONICS CORPListing on record	Aug 8, 2025	Sell	-1,360	76.24 USD	$103.7K		SEC
Sylvamo CorpListing on record	Jul 31, 2025	AwardD (derivative)	71.08	48.13 USD	$3.4K		SEC
Trinseo PLCListing on record	Jun 27, 2025	Award	42,484	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Trinseo PLCListing on record	Jun 24, 2025	Other	-10,343	3.73 USD	$38.6K		SEC
IPG PHOTONICS CORPListing on record	May 21, 2025	Award	3,759	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Sylvamo CorpListing on record	May 16, 2025	Award	2,655	56.51 USD	$150K	Unusual size	SEC
Sylvamo CorpListing on record	May 1, 2025	AwardD (derivative)	36.53	60.50 USD	$2.2K		SEC
Sylvamo CorpListing on record	Jan 28, 2025	AwardD (derivative)	27.09	81.13 USD	$2.2K		SEC
Sylvamo CorpListing on record	Oct 21, 2024	AwardD (derivative)	25.14	86.97 USD	$2.2K		SEC
Sylvamo CorpListing on record	Jul 31, 2024	AwardD (derivative)	28.6	76.00 USD	$2.2K		SEC
IPG PHOTONICS CORPListing on record	Jun 28, 2024	Award	3,022	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Trinseo PLCListing on record	Jun 25, 2024	Award	41,009	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Trinseo PLCListing on record	Jun 18, 2024	Other	-3,242	2.84 USD	$9.2K		SEC
IPG PHOTONICS CORPListing on record	Jun 3, 2024	Sell	-985	85.20 USD	$83.9K		SEC
Sylvamo CorpListing on record	May 20, 2024	Award	1,779	70.28 USD	$125K	Unusual size	SEC
Sylvamo CorpListing on record	May 1, 2024	AwardD (derivative)	14.56	62.55 USD	$910.7		SEC
Sylvamo CorpListing on record	Jan 29, 2024	AwardD (derivative)	18.35	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Sylvamo CorpListing on record	Oct 19, 2023	AwardD (derivative)	39.47	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Sylvamo CorpListing on record	Jul 30, 2026	AwardD (derivative)	136.21	38.92 USD	$5.3K		SEC
Sylvamo CorpListing on record	May 18, 2026	Award	3,876	38.70 USD	$150K	Unusual size	SEC
IPG PHOTONICS CORPListing on record	May 15, 2026	Sell	-1,690	105.58 USD	$178.4K		SEC
IPG PHOTONICS CORPListing on record	May 13, 2026	Award	2,436	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Sylvamo CorpListing on record	Apr 30, 2026	AwardD (derivative)	80.81	43.57 USD	$3.5K		SEC
Sylvamo CorpListing on record	Jan 27, 2026	AwardD (derivative)	68.37	51.05 USD	$3.5K		SEC
Sylvamo CorpListing on record	Oct 20, 2025	AwardD (derivative)	82.22	42.00 USD	$3.5K		SEC
IPG PHOTONICS CORPListing on record	Aug 8, 2025	Sell	-1,360	76.24 USD	$103.7K		SEC
Sylvamo CorpListing on record	Jul 31, 2025	AwardD (derivative)	71.08	48.13 USD	$3.4K		SEC
Trinseo PLCListing on record	Jun 27, 2025	Award	42,484	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Trinseo PLCListing on record	Jun 24, 2025	Other	-10,343	3.73 USD	$38.6K		SEC
IPG PHOTONICS CORPListing on record	May 21, 2025	Award	3,759	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Sylvamo CorpListing on record	May 16, 2025	Award	2,655	56.51 USD	$150K	Unusual size	SEC
Sylvamo CorpListing on record	May 1, 2025	AwardD (derivative)	36.53	60.50 USD	$2.2K		SEC
Sylvamo CorpListing on record	Jan 28, 2025	AwardD (derivative)	27.09	81.13 USD	$2.2K		SEC
Sylvamo CorpListing on record	Oct 21, 2024	AwardD (derivative)	25.14	86.97 USD	$2.2K		SEC
Sylvamo CorpListing on record	Jul 31, 2024	AwardD (derivative)	28.6	76.00 USD	$2.2K		SEC
IPG PHOTONICS CORPListing on record	Jun 28, 2024	Award	3,022	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Trinseo PLCListing on record	Jun 25, 2024	Award	41,009	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Trinseo PLCListing on record	Jun 18, 2024	Other	-3,242	2.84 USD	$9.2K		SEC
IPG PHOTONICS CORPListing on record	Jun 3, 2024	Sell	-985	85.20 USD	$83.9K		SEC
Sylvamo CorpListing on record	May 20, 2024	Award	1,779	70.28 USD	$125K	Unusual size	SEC
Sylvamo CorpListing on record	May 1, 2024	AwardD (derivative)	14.56	62.55 USD	$910.7		SEC
Sylvamo CorpListing on record	Jan 29, 2024	AwardD (derivative)	18.35	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Sylvamo CorpListing on record	Oct 19, 2023	AwardD (derivative)	39.47	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC