Who
Jacob Maas
Executive VP
Company insider
Files Form 4 as: Executive VP, Graham Holdings.
In numbers
- Trades disclosed
- 26
- Buys
- 1
- Sells
- 0
- Bought
- $99K
- Sold
- $0
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 26 Oct 2015
- Last trade
- 28 Aug 2026
- Last filed
- 31 Aug 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 28 Aug 2026filed 31 Aug 2026 | GHC Graham HoldingsEducation Services | SEC FORM 4 Code A | —1,000 at $0.00 | filing |
| 28 Aug 2026filed 31 Aug 2026 | GHC Graham HoldingsEducation Services | SEC FORM 4 Code F | $581K501 at $1,159.23 | filing |
| 28 Aug 2026filed 31 Aug 2026 | GHC Graham HoldingsEducation Services | SEC FORM 4 Code A | —1,000 at $0.00 | filing |
| 28 Aug 2026filed 31 Aug 2026 | GHC Graham HoldingsEducation Services | SEC FORM 4 Code F | $581K501 at $1,159.23 | filing |
| 16 Jan 2026filed 21 Jan 2026 | GHC Graham HoldingsEducation Services | SEC FORM 4 Code A | —1,000 at $0.00 | filing |
| 16 Jan 2026filed 21 Jan 2026 | GHC Graham HoldingsEducation Services | SEC FORM 4 Code F | $434K377 at $1,150.50 | filing |
| 16 Jan 2026filed 21 Jan 2026 | GHC Graham HoldingsEducation Services | SEC FORM 4 Code A | —1,000 at $0.00 | filing |
| 16 Jan 2026filed 21 Jan 2026 | GHC Graham HoldingsEducation Services | SEC FORM 4 Code F | $434K377 at $1,150.50 | filing |
| 20 Oct 2025filed 22 Oct 2025 | GHC Graham HoldingsEducation Services | SEC FORM 4 Code A | —1,000 at $0.00 | filing |
| 20 Oct 2025filed 22 Oct 2025 | GHC Graham HoldingsEducation Services | SEC FORM 4 Code F | $495K501 at $987.72 | filing |
| 19 Aug 2025filed 21 Aug 2025 | GHC Graham Holdingsoption or derivative · Education Services | SEC FORM 4 Code M | —2,000 at $0.00 | filing |
| 19 Aug 2025filed 21 Aug 2025 | GHC Graham HoldingsEducation Services | SEC FORM 4 Code M | $1.6M2,000 at $804.80 | filing |
| 19 Aug 2025filed 21 Aug 2025 | GHC Graham HoldingsEducation Services | SEC FORM 4 Code F | $1.9M1,752 at $1,071.80 | filing |
| 27 Jan 2025filed 29 Jan 2025 | GHC Graham HoldingsEducation Services | SEC FORM 4 Code A | —1,000 at $0.00 | filing |
| 27 Jan 2025filed 29 Jan 2025 | GHC Graham HoldingsEducation Services | SEC FORM 4 Code F | $402K438 at $918.26 | filing |
| 2 Jan 2025filed 6 Jan 2025 | GHC Graham HoldingsEducation Services | SEC FORM 4 Code A | —430 at $0.00 | filing |
| 2 Jan 2025filed 6 Jan 2025 | GHC Graham HoldingsEducation Services | SEC FORM 4 Code F | $224K257 at $871.87 | filing |
| 5 Nov 2024filed 8 Nov 2024 | GHC Graham HoldingsEducation Services | SEC FORM 4 Code A | —1,000 at $0.00 | filing |
| 3 Jan 2023filed 4 Jan 2023 | GHC Graham HoldingsEducation Services | SEC FORM 4 Code A | —616 at $0.00 | filing |
| 19 Jan 2022filed 24 Jan 2022 | GHC Graham HoldingsEducation Services | SEC FORM 4 Code A | —1,000 at $0.00 | filing |
News
No headline names them, or the companies they trade most, lately.