Insiders Trades

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DR

Donna Roy Grogan

US·SEC (Form 4)

C4 Therapeutics, Inc.

Cumul. flow

Total declarations

16

Company

1

▲ Purchases (0 ops.)

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▼ Sales (0 ops.)

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Latest filing published 02 Oct 2026 for C4 Therapeutics, Inc., €13k.

Insider track record

Disclosed buys

0

Disclosed sells

0

Signal history

Donna Roy Grogan: trading record in brief

All filings by Donna Roy Grogan on record concern C4 Therapeutics, Inc. Over a trading history stretching from 3 October 2022 to 1 October 2026, the count stands at 16 filings.

The filings describe grants, exercises and other transfers rather than trades on the open market. Such operations are usually part of compensation schedules, which makes them a weaker signal than an open-market trade.

On 2 October 2026 came the latest disclosure, a share grant for €13k in C4 Therapeutics, Inc. Typically, a trade is published a median of 1 day after it takes place. The legal deadline for a Form 4 is two business days after the transaction. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.

Companies and markets linked to Donna Roy Grogan

Open company profiles for insider transactions, fundamentals and analyst consensus when available.

C4 Therapeutics, Inc. (US)

Declarations16 total

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Donna Roy Grogan

DirectorExecutives1 Oct 2026C4 Therapeutics, Inc.

14,501 USD0SEC

4,618 shares@ US$3.14Common StockSEC:0001470831-26-000924:0

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Donna Roy Grogan

DirectorExecutives1 Apr 2026C4 Therapeutics, Inc.

14,499 USD12SEC

5,370 shares@ US$2.706.9% of flowCommon StockSEC:0001470831-26-000345:0

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Donna Roy Grogan

DirectorExecutives2 Jan 2026C4 Therapeutics, Inc.

14,500 USD12SEC

7,513 shares@ US$1.936.8% of flowCommon StockSEC:0001470831-26-000008:0

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Donna Roy Grogan

DirectorExecutives1 Oct 2025C4 Therapeutics, Inc.

14,491 USD12SEC

6,740 shares@ US$2.156.8% of flowCommon StockSEC:0001470831-25-000249:0

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Donna Roy Grogan

DirectorExecutives1 Jul 2025C4 Therapeutics, Inc.

14,510 USD12SEC

9,609 shares@ US$1.516.7% of flowCommon StockSEC:0001662579-25-000052:0

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Donna Roy Grogan

DirectorExecutives1 Apr 2025C4 Therapeutics, Inc.

13,749 USD12SEC

9,581 shares@ US$1.4357.0% of flowCommon StockSEC:0001662579-25-000025:0

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Donna Roy Grogan

DirectorExecutives2 Jan 2025C4 Therapeutics, Inc.

13,751 USD12SEC

3,757 shares@ US$3.667.3% of flowCommon StockSEC:0001662579-25-000004:0

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Donna Roy Grogan

DirectorExecutives1 Oct 2024C4 Therapeutics, Inc.

13,755 USD12SEC

2,474 shares@ US$5.566.8% of flowCommon StockSEC:0001662579-24-000090:0

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Donna Roy Grogan

DirectorExecutives1 Jul 2024C4 Therapeutics, Inc.

13,755 USD12SEC

2,836 shares@ US$4.857.0% of flowCommon StockSEC:0001662579-24-000064:0

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Donna Roy Grogan

DirectorExecutives1 Apr 2024C4 Therapeutics, Inc.

13,746 USD12SEC

1,697 shares@ US$8.107.0% of flowCommon StockSEC:0001662579-24-000036:0

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Donna Roy Grogan

DirectorExecutives2 Jan 2024C4 Therapeutics, Inc.

13,744 USD12SEC

2,108 shares@ US$6.526.8% of flowCommon StockSEC:0001662579-24-000004:0

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Donna Roy Grogan

DirectorExecutives2 Oct 2023C4 Therapeutics, Inc.

13,751 USD12SEC

8,089 shares@ US$1.707.2% of flowCommon StockSEC:0001662579-23-000107:0

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Donna Roy Grogan

DirectorExecutives3 Jul 2023C4 Therapeutics, Inc.

13,748 USD12SEC

4,858 shares@ US$2.836.9% of flowCommon StockSEC:0001662579-23-000066:0

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Donna Roy Grogan

DirectorExecutives3 Apr 2023C4 Therapeutics, Inc.

13,754 USD12SEC

4,298 shares@ US$3.206.9% of flowCommon StockSEC:0001662579-23-000044:0

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Donna Roy Grogan

DirectorExecutives3 Jan 2023C4 Therapeutics, Inc.

11,248 USD12SEC

1,763 shares@ US$6.385.8% of flowCommon StockSEC:0001662579-23-000005:0

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Donna Roy Grogan

DirectorExecutives3 Oct 2022C4 Therapeutics, Inc.

7,117 USD11SEC

819 shares@ US$8.694.0% of flowCommon StockSEC:0001662579-22-000006:0

16 of 16 declarations