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Who

Forest Baskett

10% owner

Company insider

Files Form 4 as: 10% owner, Korro Bio; 10% owner, SpyGlass Pharma; Director and 10% owner, NeueHealth; 10% owner, Trevi Therapeutics; 10% owner, BuzzFeed; 10% owner, MBX Biosciences; 10% owner, Sagimet Biosciences; 10% owner, Savara.

Every Form 4 they filed

In numbers

Trades disclosed
1,005
Buys
92
Sells
103
Bought
$597.6M
Sold
$894.5M
Companies
73
Companies where not an officer
73
First trade
7 Feb 2006
Last trade
10 Mar 2026
Last filed
12 Mar 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
KRRO Korro Bio10% owner · Biotechnology · last 10 Mar 20262 buys · 0 sells
SGP SpyGlass Pharma10% owner · Medical Devices · last 9 Feb 20261 buy · 0 sells
NeueHealthDirector, 10% owner · last 2 Oct 20251 buy · 1 sell
TRVI Trevi Therapeutics10% owner · Biotechnology · last 17 Apr 20253 buys · 1 sell
BZFD BuzzFeed10% owner · Telecom Carriers · last 6 Mar 20250 buys · 3 sells
MBX MBX Biosciences10% owner · Biotechnology · last 16 Sep 20241 buy · 0 sells
SGMT Sagimet Biosciences10% owner · Biotechnology · last 29 Jan 20240 buys · 0 sells
SVRA Savara10% owner · Biotechnology · last 17 Jul 20231 buy · 0 sells
MIRM Mirum Pharmaceuticals10% owner · Biotechnology · last 13 Jun 20231 buy · 0 sells
COUR Coursera10% owner · Software · last 15 Feb 20230 buys · 0 sells
Arcellx10% owner · last 22 Dec 20220 buys · 1 sell
Akouos10% owner · last 30 Nov 20221 buy · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
301Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
10 Mar 2026filed 12 Mar 2026KRRO Korro BioBiotechnologySEC FORM 4 Bought$2.3M207,100 at $11.11filing
10 Mar 2026filed 12 Mar 2026KRRO Korro Biooption or derivative · BiotechnologySEC FORM 4 Code P$2.7M242,945 at $11.11filing
10 Mar 2026filed 12 Mar 2026KRRO Korro Biooption or derivative · BiotechnologySEC FORM 4 Code P$2.7M242,945 at $11.11filing
10 Mar 2026filed 12 Mar 2026KRRO Korro BioBiotechnologySEC FORM 4 Bought$2.3M207,100 at $11.11filing
9 Feb 2026filed 11 Feb 2026SGP SpyGlass PharmaMedical DevicesSEC FORM 4 Code C—1,619,240filing
9 Feb 2026filed 11 Feb 2026SGP SpyGlass Pharmaoption or derivative · Medical DevicesSEC FORM 4 Code C—1,370,168filing
9 Feb 2026filed 11 Feb 2026SGP SpyGlass Pharmaoption or derivative · Medical DevicesSEC FORM 4 Code C—737,962filing
9 Feb 2026filed 11 Feb 2026SGP SpyGlass Pharmaoption or derivative · Medical DevicesSEC FORM 4 Code C—954,990filing
9 Feb 2026filed 11 Feb 2026SGP SpyGlass Pharmaoption or derivative · Medical DevicesSEC FORM 4 Code C—402,273filing
9 Feb 2026filed 11 Feb 2026SGP SpyGlass PharmaMedical DevicesSEC FORM 4 Code C—1,370,168filing
9 Feb 2026filed 11 Feb 2026SGP SpyGlass PharmaMedical DevicesSEC FORM 4 Code C—1,370,168filing
9 Feb 2026filed 11 Feb 2026SGP SpyGlass Pharmaoption or derivative · Medical DevicesSEC FORM 4 Code C—1,619,240filing
9 Feb 2026filed 11 Feb 2026SGP SpyGlass Pharmaoption or derivative · Medical DevicesSEC FORM 4 Code C—1,370,168filing
9 Feb 2026filed 11 Feb 2026SGP SpyGlass Pharmaoption or derivative · Medical DevicesSEC FORM 4 Code C—1,370,168filing
9 Feb 2026filed 11 Feb 2026SGP SpyGlass Pharmaoption or derivative · Medical DevicesSEC FORM 4 Code C—737,962filing
9 Feb 2026filed 11 Feb 2026SGP SpyGlass Pharmaoption or derivative · Medical DevicesSEC FORM 4 Code C—954,990filing
9 Feb 2026filed 11 Feb 2026SGP SpyGlass Pharmaoption or derivative · Medical DevicesSEC FORM 4 Code C—402,273filing
9 Feb 2026filed 11 Feb 2026SGP SpyGlass PharmaMedical DevicesSEC FORM 4 Code C—737,962filing
9 Feb 2026filed 11 Feb 2026SGP SpyGlass PharmaMedical DevicesSEC FORM 4 Bought$15.0M937,500 at $16.00filing
9 Feb 2026filed 11 Feb 2026SGP SpyGlass PharmaMedical DevicesSEC FORM 4 Code C—954,990filing

The newest 500 lines are listed; the numbers count every line.

Sectors

Health Care35
Technology14
Communications4
Financials1
Not placed141

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

Related people

Jean Francois FormelaDirector · Director at Korro Bio, filing Form 4 there in the last year
Oliver DolanSenior Vice President, Finance · Senior Vice President, Finance at Korro Bio, filing Form 4 there in the last year
Lynx1 Capital Management LP10% owner · 10% owner at Korro Bio, filing Form 4 there in the last year
Ram AiyarPresident and CEO · President and CEO at Korro Bio, filing Form 4 there in the last year
Jeffrey CerioGeneral Counsel · General Counsel at Korro Bio, filing Form 4 there in the last year
Carl LedbetterDirector · Also traded NET in the last 90 days
Thomas J. SeifertChief Financial Officer · Also traded NET in the last 90 days
Michelle ZatlynPresident and Board Co-Chair · Also traded NET in the last 90 days