Eric D. Shaff

MCRB

Eric D. Shaff serves as director at Seres Therapeutics, Inc. (MCRB). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

13 trades

$60.4K

Net Position

Net Seller

$60.4K

Companies Traded

MCRB

Active Period

Oct 2023 – Aug 2026

13 total trades

Most Recent

Sell MCRB

Aug 18, 2026 · $1.2K

Eric D. Shaff's Insider Trading at Seres Therapeutics, Inc. (MCRB)

Buys

0 · $0.00

Sells

13 · $60.4K

Total Shares Bought

Total Shares Sold

50,468

MCRB Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Aug 18, 2026	Sell	263	$4.55	$1.2K	12,499
May 19, 2026	Sell	259	$7.53	$2.0K	12,040
Feb 15, 2026	Sell	259	$8.47	$2.2K	0
Nov 18, 2025	Sell	217	$17.30	$3.8K	11,113
Aug 19, 2025	Sell	217	$16.65	$3.6K	10,609
May 19, 2025	Sell	220	$7.28	$1.6K	10,102
Feb 19, 2025	Sell	12,726	$0.81	$10.3K	192,039
Nov 19, 2024	Sell	2,505	$0.54	$1.4K	170,389
Oct 29, 2024	Sell	8,748	$0.69	$6.0K	165,082
Aug 19, 2024	Sell	2,518	$0.84	$2.1K	145,993
May 17, 2024	Sell	2,435	$0.94	$2.3K	140,698
Feb 16, 2024	Sell	11,549	$1.08	$12.5K	135,321
Oct 31, 2023	Sell	8,552	$1.35	$11.5K	115,620