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Who

Yat Sun Or

Chief Scientific Officer

Company insider

Files Form 4 as: Chief Scientific Officer, Enanta Pharmaceuticals.

In numbers

Trades disclosed
132
Buys
0
Sells
20
Bought
$0
Sold
$8.5M
Companies
1
Companies where not an officer
0
First trade
5 Dec 2013
Last trade
12 Feb 2026
Last filed
13 Feb 2026

Companies traded

Where they are an officer
ENTA Enanta PharmaceuticalsOfficer, 10% owner · Biotechnology · last 12 Feb 20260 buys · 20 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
10Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
12 Feb 2026filed 13 Feb 2026ENTA Enanta PharmaceuticalsBiotechnologySEC FORM 4 Code A—1,650 at $0.00filing
12 Feb 2026filed 13 Feb 2026ENTA Enanta PharmaceuticalsBiotechnologySEC FORM 4 Code A—5,225 at $0.00filing
12 Feb 2026filed 13 Feb 2026ENTA Enanta PharmaceuticalsBiotechnologySEC FORM 4 Code F$49K3,413 at $14.25filing
12 Feb 2026filed 13 Feb 2026ENTA Enanta PharmaceuticalsBiotechnologySEC FORM 4 Code A—1,650 at $0.00filing
12 Feb 2026filed 13 Feb 2026ENTA Enanta PharmaceuticalsBiotechnologySEC FORM 4 Code A—5,225 at $0.00filing
12 Feb 2026filed 13 Feb 2026ENTA Enanta PharmaceuticalsBiotechnologySEC FORM 4 Code F$49K3,413 at $14.25filing
5 Dec 2025filed 5 Dec 2025ENTA Enanta PharmaceuticalsBiotechnologySEC FORM 4 Sold$34K2,390 at $14.23filing
1 Dec 2025filed 3 Dec 2025ENTA Enanta PharmaceuticalsBiotechnologySEC FORM 4 Code F$11K753 at $14.12filing
25 Nov 2025filed 26 Nov 2025ENTA Enanta Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code A—110,000 at $0.00filing
12 Feb 2025filed 14 Feb 2025ENTA Enanta PharmaceuticalsBiotechnologySEC FORM 4 Code A—9,750 at $0.00filing
12 Feb 2025filed 14 Feb 2025ENTA Enanta PharmaceuticalsBiotechnologySEC FORM 4 Code F$24K4,324 at $5.59filing
6 Dec 2024filed 10 Dec 2024ENTA Enanta PharmaceuticalsBiotechnologySEC FORM 4 Sold$21K2,591 at $8.06filing
1 Dec 2024filed 3 Dec 2024ENTA Enanta PharmaceuticalsBiotechnologySEC FORM 4 Code F$14K1,595 at $8.60filing
27 Nov 2024filed 27 Nov 2024ENTA Enanta Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code A—87,000 at $0.00filing
12 Feb 2024filed 14 Feb 2024ENTA Enanta PharmaceuticalsBiotechnologySEC FORM 4 Code A—3,680 at $0.00filing
12 Feb 2024filed 14 Feb 2024ENTA Enanta PharmaceuticalsBiotechnologySEC FORM 4 Code F$13K1,080 at $12.41filing
5 Dec 2023filed 6 Dec 2023ENTA Enanta PharmaceuticalsBiotechnologySEC FORM 4 Sold$23K2,412 at $9.63filing
1 Dec 2023filed 5 Dec 2023ENTA Enanta PharmaceuticalsBiotechnologySEC FORM 4 Code F$15K1,595 at $9.49filing
22 Nov 2023filed 22 Nov 2023ENTA Enanta Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code A—86,000 at $0.00filing
15 Mar 2023filed 17 Mar 2023ENTA Enanta Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code M—13,925 at $0.00filing

News

Comparing Amphastar Pharmaceuticals (NASDAQ:AMPH) & Enanta Pharmaceuticals (NASDAQ:ENTA)ENTA · tickerreport.com · 13 Oct 2026

0 headlines in the last 90 days name Yat Sun Or; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Health Care20

Buys in green, sells in red, by the company’s sector.

Related people

Scott T. RottinghausChief Medical Officer · Chief Medical Officer at Enanta Pharmaceuticals, filing Form 4 there in the last year
Mark G. FolettaDirector · Director at Enanta Pharmaceuticals, filing Form 4 there in the last year
Lesley RussellDirector · Director at Enanta Pharmaceuticals, filing Form 4 there in the last year
Kristine PetersonDirector · Director at Enanta Pharmaceuticals, filing Form 4 there in the last year
Terry VanceDirector · Director at Enanta Pharmaceuticals, filing Form 4 there in the last year