Erin Pennock Foff

CIK: 0002021233

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)23 (85.2%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)3 (11.1%)

Compensation grants

Other (G, F, J, C, D, …)1 (3.7%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

MPLT

MapLight Therapeutics, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (27 total)

MPLT
MapLight Therapeutics, Inc.
Oct 15, 2026
Sale(S)
Direct
15.4K shares at avg. $8.08$124K
MPLT
MapLight Therapeutics, Inc.
Aug 17, 2026
Award(A)
Direct
13.4K shares-
MPLT
MapLight Therapeutics, Inc.
Jul 17, 2026
Sale(S)
Direct
3.7K shares at avg. $37.90$139K
MPLT
MapLight Therapeutics, Inc.
Jul 16, 2026
Sale(S)
Direct
9.2K shares at avg. $36.46$334K
MPLT
MapLight Therapeutics, Inc.
Jul 16, 2026
Sale(S)
Direct
5.9K shares at avg. $37.26$219K
MPLT
MapLight Therapeutics, Inc.
Jul 16, 2026
Sale(S)
Direct
19 shares at avg. $37.96$721.24
MPLT
MapLight Therapeutics, Inc.
Jul 15, 2026
Sale(S)
Direct
7.8K shares at avg. $37.04$291K
MPLT
MapLight Therapeutics, Inc.
Jul 15, 2026
Sale(S)
Direct
9K shares at avg. $36.99$332K
MPLT
MapLight Therapeutics, Inc.
Jul 15, 2026
Sale(S)
Direct
18 shares at avg. $37.54$675.72
MPLT
MapLight Therapeutics, Inc.
Jul 15, 2026
Sale(S)
Direct
7.2K shares at avg. $36.16$259K
MPLT
MapLight Therapeutics, Inc.
Jul 15, 2026
Sale(S)
Direct
4.5K shares at avg. $36.00$161K
MPLT
MapLight Therapeutics, Inc.
May 7, 2026
Sale(S)
Direct
117 shares at avg. $29.10$3K
MPLT
MapLight Therapeutics, Inc.
May 7, 2026
Sale(S)
Direct
4.3K shares at avg. $28.52$123K
MPLT
MapLight Therapeutics, Inc.
May 6, 2026
Sale(S)
Direct
8.2K shares at avg. $28.04$229K
MPLT
MapLight Therapeutics, Inc.
May 6, 2026
Sale(S)
Direct
15.9K shares at avg. $29.13$463K
MPLT
MapLight Therapeutics, Inc.
May 5, 2026
Sale(S)
Direct
9.6K shares at avg. $28.12$271K
MPLT
MapLight Therapeutics, Inc.
May 5, 2026
Sale(S)
Direct
931 shares at avg. $29.00$27K
MPLT
MapLight Therapeutics, Inc.
May 4, 2026
Sale(S)
Direct
5.5K shares at avg. $28.37$155K
MPLT
MapLight Therapeutics, Inc.
May 4, 2026
Sale(S)
Direct
312 shares at avg. $29.56$9K
MPLT
MapLight Therapeutics, Inc.
May 4, 2026
Sale(S)
Direct
700 shares at avg. $30.08$21K
MPLT
MapLight Therapeutics, Inc.
May 4, 2026
Sale(S)
Direct
9.2K shares at avg. $27.50$252K
MPLT
MapLight Therapeutics, Inc.
Apr 16, 2026
Sale(S)
Direct
881 shares at avg. $27.49$24K
MPLT
MapLight Therapeutics, Inc.
Apr 16, 2026
Sale(S)
Direct
288 shares at avg. $27.01$8K
MPLT
MapLight Therapeutics, Inc.
Apr 15, 2026
Sale(S)
Direct
2K shares at avg. $26.84$55K
MPLT
MapLight Therapeutics, Inc.
Feb 5, 2026
Award(A)
Direct
13.4K shares-

		Type	Shares	Price		Ownership
Oct 15, 2026	MPLT MapLight Therapeutics, Inc.	Sale(S)	15,355	$8.08	$124,068	Direct
Aug 17, 2026	MPLT MapLight Therapeutics, Inc.	Award(A)	13,360	-	$0	Direct
Jul 17, 2026	MPLT MapLight Therapeutics, Inc.	Sale(S)	3,656	$37.90	$138,562	Direct
Jul 16, 2026	MPLT MapLight Therapeutics, Inc.	Sale(S)	9,163	$36.46	$334,083	Direct
Jul 16, 2026	MPLT MapLight Therapeutics, Inc.	Sale(S)	5,865	$37.26	$218,530	Direct
Jul 16, 2026	MPLT MapLight Therapeutics, Inc.	Sale(S)	19	$37.96	$721	Direct
Jul 15, 2026	MPLT MapLight Therapeutics, Inc.	Sale(S)	7,845	$37.04	$290,579	Direct
Jul 15, 2026	MPLT MapLight Therapeutics, Inc.	Sale(S)	8,972	$36.99	$331,874	Direct
Jul 15, 2026	MPLT MapLight Therapeutics, Inc.	Sale(S)	18	$37.54	$676	Direct
Jul 15, 2026	MPLT MapLight Therapeutics, Inc.	Sale(S)	7,155	$36.16	$258,725	Direct
Jul 15, 2026	MPLT MapLight Therapeutics, Inc.	Sale(S)	4,465	$36.00	$160,740	Direct
May 7, 2026	MPLT MapLight Therapeutics, Inc.	Sale(S)	117	$29.10	$3,405	Direct
May 7, 2026	MPLT MapLight Therapeutics, Inc.	Sale(S)	4,321	$28.52	$123,235	Direct
May 6, 2026	MPLT MapLight Therapeutics, Inc.	Sale(S)	8,152	$28.04	$228,582	Direct
May 6, 2026	MPLT MapLight Therapeutics, Inc.	Sale(S)	15,900	$29.13	$463,167	Direct
May 5, 2026	MPLT MapLight Therapeutics, Inc.	Sale(S)	9,645	$28.12	$271,217	Direct
May 5, 2026	MPLT MapLight Therapeutics, Inc.	Sale(S)	931	$29.00	$26,999	Direct
May 4, 2026	MPLT MapLight Therapeutics, Inc.	Sale(S)	5,460	$28.37	$154,900	Direct
May 4, 2026	MPLT MapLight Therapeutics, Inc.	Sale(S)	312	$29.56	$9,223	Direct
May 4, 2026	MPLT MapLight Therapeutics, Inc.	Sale(S)	700	$30.08	$21,056	Direct
May 4, 2026	MPLT MapLight Therapeutics, Inc.	Sale(S)	9,180	$27.50	$252,450	Direct
Apr 16, 2026	MPLT MapLight Therapeutics, Inc.	Sale(S)	881	$27.49	$24,219	Direct
Apr 16, 2026	MPLT MapLight Therapeutics, Inc.	Sale(S)	288	$27.01	$7,779	Direct
Apr 15, 2026	MPLT MapLight Therapeutics, Inc.	Sale(S)	2,044	$26.84	$54,861	Direct
Feb 5, 2026	MPLT MapLight Therapeutics, Inc.	Award(A)	13,360	-	$0	Direct

1-25 of 27 transactions

About Foff Erin Pennock

Foff Erin Pennock (SEC CIK 0002021233) files insider reports with the SEC as Chief Medical Officer of MapLight Therapeutics, Inc. (MPLT).

Signal8 holds 10 ownership filings by Foff Erin Pennock (1 Form 3, 9 Form 4), filed between Oct 27, 2025 and Oct 16, 2026. Those filings report 27 transactions, from Oct 27, 2025 to Oct 15, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Foff Erin Pennock's filings is in REDWOOD CITY, CA.

Recent filings by Foff Erin Pennock

Oct 15, 2026: Open-market sale of MPLT shares (Form 4, code S).
Aug 17, 2026: Grant or award of MPLT shares (Form 4, code A).
Jul 17, 2026: Open-market sale of MPLT shares (Form 4, code S).
Jul 16, 2026: Open-market sales of MPLT shares (3 lines, Form 4, code S).
Jul 15, 2026: Open-market sales of MPLT shares (5 lines, Form 4, code S).

Other insiders filing for MapLight Therapeutics, Inc. (MPLT)

Kreitzer Anatol, Chief Discovery Officer
GILLIS JONATHAN, CAO and Interim CFO
Lillie James Woodruff, Chief Scientific Officer
Hanson Kristopher, General Counsel
Kroeger Christopher A., Chief Executive Officer
Cox Troy, Director

How to read Form 4 transaction codes