Tien John K Jr

Director at UNION PACIFIC CORP · on record since Apr 2, 2026
Director at Science Applications International Corp · on record since Jun 4, 2026

Insider trading activity of Tien John K Jr

Transactions on record: 16; since Jan 3, 2024

Open-market buys: 1; $25K

Open-market sells: 0

Companies traded: 2; last filing Oct 1, 2026

Figures computed from official regulatory filings — .

Companies where Tien John K Jr has traded

UNION PACIFIC CORP12 tx · $408.6K · Oct 1, 2026
Science Applications International Corp4 tx · $195.1K · Jun 4, 2026

Track record of Tien John K Jr

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

Transaction history of Tien John K Jr

Co-insiders of Tien John K Jr

Admire Kimberly S.Science Applications International Corp
ANSCHUTZ PHILIP FUNION PACIFIC CORP
Attili SrinivasScience Applications International Corp
BAYBROOK THOMAS GScience Applications International Corp
BEDINGFIELD ROBERT AScience Applications International Corp
Benson David CScience Applications International Corp
Bishop Maria M.Science Applications International Corp
BRYAN L MERILL JRUNION PACIFIC CORP
BUTLER ERIC LUNION PACIFIC CORP
Card Andrew H JRUNION PACIFIC CORP
Conlin Christina BUNION PACIFIC CORP
CORDOVA FRANCE AScience Applications International Corp
Cush C. DavidScience Applications International Corp
DAVIDSON RICHARD KUNION PACIFIC CORP
DAVIS ERROLL B JRUNION PACIFIC CORP
DEASY DANA SScience Applications International Corp
DeLaney William J IIIUNION PACIFIC CORP
DiFronzo Vincent P.Science Applications International Corp
DILLON DAVID BUNION PACIFIC CORP
DOLAN JAMES VUNION PACIFIC CORP
DONOHUE THOMAS JUNION PACIFIC CORP
DRUMMOND JERE AScience Applications International Corp
DUFFY DENNIS JUNION PACIFIC CORP
DUNHAM ARCHIE WUNION PACIFIC CORP
Dunie Deborah B.Science Applications International Corp

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
UNION PACIFIC CORPListing on record	Oct 1, 2026	AwardD (derivative)	171	272.42 USD	$46.6K		SEC
UNION PACIFIC CORPListing on record	Jul 2, 2026	AwardD (derivative)	166	277.73 USD	$46.1K		SEC
Science Applications International CorpListing on record	Jun 4, 2026	Award	1,886	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
UNION PACIFIC CORPListing on record	Apr 2, 2026	AwardD (derivative)	189	243.12 USD	$45.9K		SEC
UNION PACIFIC CORPListing on record	Jan 5, 2026	AwardD (derivative)	197	231.91 USD	$45.7K		SEC
UNION PACIFIC CORPListing on record	Oct 2, 2025	AwardD (derivative)	193	234.74 USD	$45.3K		SEC
UNION PACIFIC CORPListing on record	Jul 2, 2025	AwardD (derivative)	191	235.57 USD	$45K		SEC
Science Applications International CorpListing on record	Jun 5, 2025	Award	1,644	103.43 USD	$170K	Unusual size	SEC
UNION PACIFIC CORPListing on record	Apr 2, 2025	AwardD (derivative)	189	237.17 USD	$44.8K		SEC
Science Applications International CorpListing on record	Apr 2, 2025	Buy	215	116.50 USD	$25K	conv 57ClusterFirst in 12mo	SEC
UNION PACIFIC CORPListing on record	Jan 3, 2025	AwardD (derivative)	195	229.12 USD	$44.7K		SEC
Science Applications International CorpListing on record	Dec 9, 2024	Award	704	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
UNION PACIFIC CORPListing on record	Oct 3, 2024	AwardD (derivative)	181	245.55 USD	$44.4K		SEC
UNION PACIFIC CORPListing on record	Jul 2, 2024	AwardD (derivative)	195	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
UNION PACIFIC CORPListing on record	Apr 2, 2024	AwardD (derivative)	181	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
UNION PACIFIC CORPListing on record	Jan 3, 2024	AwardD (derivative)	59	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
UNION PACIFIC CORPListing on record	Oct 1, 2026	AwardD (derivative)	171	272.42 USD	$46.6K		SEC
UNION PACIFIC CORPListing on record	Jul 2, 2026	AwardD (derivative)	166	277.73 USD	$46.1K		SEC
Science Applications International CorpListing on record	Jun 4, 2026	Award	1,886	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
UNION PACIFIC CORPListing on record	Apr 2, 2026	AwardD (derivative)	189	243.12 USD	$45.9K		SEC
UNION PACIFIC CORPListing on record	Jan 5, 2026	AwardD (derivative)	197	231.91 USD	$45.7K		SEC
UNION PACIFIC CORPListing on record	Oct 2, 2025	AwardD (derivative)	193	234.74 USD	$45.3K		SEC
UNION PACIFIC CORPListing on record	Jul 2, 2025	AwardD (derivative)	191	235.57 USD	$45K		SEC
Science Applications International CorpListing on record	Jun 5, 2025	Award	1,644	103.43 USD	$170K	Unusual size	SEC
UNION PACIFIC CORPListing on record	Apr 2, 2025	AwardD (derivative)	189	237.17 USD	$44.8K		SEC
Science Applications International CorpListing on record	Apr 2, 2025	Buy	215	116.50 USD	$25K	conv 57ClusterFirst in 12mo	SEC
UNION PACIFIC CORPListing on record	Jan 3, 2025	AwardD (derivative)	195	229.12 USD	$44.7K		SEC
Science Applications International CorpListing on record	Dec 9, 2024	Award	704	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
UNION PACIFIC CORPListing on record	Oct 3, 2024	AwardD (derivative)	181	245.55 USD	$44.4K		SEC
UNION PACIFIC CORPListing on record	Jul 2, 2024	AwardD (derivative)	195	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
UNION PACIFIC CORPListing on record	Apr 2, 2024	AwardD (derivative)	181	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
UNION PACIFIC CORPListing on record	Jan 3, 2024	AwardD (derivative)	59	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC