KELSEY STEPHEN MICHAEL (See Remarks) sold 24.1% of their position (92.53K shares) of REVOLUTION MEDICINES, INC. on the open market

Open‑market sale worth $18.72M — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 8 sales

KELSEY STEPHEN MICHAEL

Filed: 9/15/2026ACC: 0001462808-26-000007

InsiderKELSEY STEPHEN MICHAELCIK 1462808

→

IssuerREVOLUTION MEDICINES, INC.CIK 1628171

Officer· See Remarks

Since Feb 2020

-92.53K

Net shares

Net seller

$18.72M

Total sold

Open market trades

0B · 8S

Total transactions

92.53K acquired · 185.06K disposed

Non-Derivative Transactions10

Common Stock

Direct

M · Option Exercise

+52.50K

Price / share

$42.45

Trade value

$2.23M

% of position

18.0%

9/11/2026

291.88K→344.38K

Common Stock

Direct

M · Option Exercise

+40.03K

Price / share

$40.74

Trade value

$1.63M

% of position

11.6%

9/11/2026

344.38K→384.41K

Common Stock

Direct

S · Sale

−800.00

Price / share

$198.55

Trade value

$158.84K

% of position

0.2%

9/11/2026

384.41K→383.61K

Common Stock

Direct

S · Sale

−11.83K

Price / share

$200.11

Trade value

$2.37M

% of position

3.1%

9/11/2026

383.61K→371.77K

Common Stock

Direct

S · Sale

−13.37K

Price / share

$200.78

Trade value

$2.68M

% of position

3.6%

9/11/2026

371.77K→358.41K

Common Stock

Direct

S · Sale

−21.45K

Price / share

$201.75

Trade value

$4.33M

% of position

6.0%

9/11/2026

358.41K→336.96K

Common Stock

Direct

S · Sale

−18.87K

Price / share

$203.06

Trade value

$3.83M

% of position

5.6%

9/11/2026

336.96K→318.09K

Common Stock

Direct

S · Sale

−17.95K

Price / share

$203.87

Trade value

$3.66M

% of position

5.6%

9/11/2026

318.09K→300.14K

Common Stock

Direct

S · Sale

−5K

Price / share

$204.84

Trade value

$1.02M

% of position

1.7%

9/11/2026

300.14K→295.15K

Common Stock

Direct

S · Sale

−3.27K

Price / share

$205.81

Trade value

$672.99K

% of position

1.1%

9/11/2026

295.15K→291.88K

Total

Net shares

+0.00

Net value

-$14.87M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	9/11/2026	M · Option Exercise	+52.50K	$42.45	$2.23M	18.0%	291.88K	344.38K
Common Stock Direct	9/11/2026	M · Option Exercise	+40.03K	$40.74	$1.63M	11.6%	344.38K	384.41K
Common Stock Direct	9/11/2026	S · Sale	−800.00	$198.55	$158.84K	0.2%	384.41K	383.61K
Common Stock Direct	9/11/2026	S · Sale	−11.83K	$200.11	$2.37M	3.1%	383.61K	371.77K
Common Stock Direct	9/11/2026	S · Sale	−13.37K	$200.78	$2.68M	3.6%	371.77K	358.41K
Common Stock Direct	9/11/2026	S · Sale	−21.45K	$201.75	$4.33M	6.0%	358.41K	336.96K
Common Stock Direct	9/11/2026	S · Sale	−18.87K	$203.06	$3.83M	5.6%	336.96K	318.09K
Common Stock Direct	9/11/2026	S · Sale	−17.95K	$203.87	$3.66M	5.6%	318.09K	300.14K
Common Stock Direct	9/11/2026	S · Sale	−5K	$204.84	$1.02M	1.7%	300.14K	295.15K
Common Stock Direct	9/11/2026	S · Sale	−3.27K	$205.81	$672.99K	1.1%	295.15K	291.88K
Total			+0.00		-$14.87M

Derivative Transactions2

Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

52.50K shares

−52.50K

Strike price

42.45

Held after

0.00

Exercisable

—

9/11/2026

Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

128.10K shares

−40.03K

Strike price

40.74

Held after

88.07K

Exercisable

—

9/11/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option (Right to Buy) Direct	Common Stock52.50K shares	9/11/2026	M · Option Exercise	−52.50K	42.45	—	0.00
Stock Option (Right to Buy) Direct	Common Stock128.10K shares	9/11/2026	M · Option Exercise	−40.03K	40.74	—	88.07K